      module module_cbmz
      use module_peg_util
      contains
      subroutine cbmz_driver( &
               id, curr_secs, ktau, dtstep, ktauc, dtstepc, &
               config_flags, gmt, julday, t_phy, moist, p8w, t8w, &
               p_phy, chem, rho_phy, dz8w, z, z_at_w, vdrog3, &
               ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
               ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
               ph_ch3o2h, ph_n2o5, &
               ids,ide, jds,jde, kds,kde, &
               ims,ime, jms,jme, kms,kme, &
               its,ite, jts,jte, kts,kte )
   USE module_configure, only: grid_config_rec_type, num_moist, num_chem, &
 p_qv, p_so2, p_ho2, p_so4aj, p_corn, p_hcl, p_mtf, &
        p_xyl, p_tol, p_csl, p_oli, p_olt, p_ho, p_o3, p_no
   USE module_data_sorgam, only: ldrog
   USE module_data_cbmz
   IMPLICIT NONE
   INTEGER, INTENT(IN ) :: id, julday, &
                           ids,ide, jds,jde, kds,kde, &
                           ims,ime, jms,jme, kms,kme, &
                           its,ite, jts,jte, kts,kte
   INTEGER, INTENT(IN ) :: ktau, ktauc
   REAL(KIND=8), INTENT(IN) :: curr_secs
   REAL, INTENT(IN ) :: dtstep, dtstepc, gmt
   REAL, DIMENSION( ims:ime, kms:kme, jms:jme, num_moist ), &
         INTENT(IN ) :: moist
   REAL, DIMENSION( ims:ime, kms:kme, jms:jme, num_chem ), &
         INTENT(INOUT ) :: chem
   REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
         INTENT(INOUT ) :: &
           ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
           ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
           ph_ch3o2h, ph_n2o5
   REAL, DIMENSION( ims:ime , kms:kme , jms:jme ) , &
          INTENT(IN ) :: &
                         t_phy, &
                         rho_phy, &
                         p_phy, &
                         z, z_at_w, &
                         dz8w, &
                         t8w, p8w
   REAL, DIMENSION( ims:ime , kms:kme-0 , jms:jme , ldrog ) , &
          INTENT(INOUT ) :: &
                         vdrog3
   TYPE(grid_config_rec_type), INTENT(IN ) :: config_flags
 integer :: idum, iok,iprog
 integer :: iregime
 integer :: igaschem_allowed_m1, igaschem_allowed_m2, &
                   igaschem_allowed_m3, igaschem_allowed_m4
 integer :: igas_solver, iregime_forced
 integer :: i_boxtest_units_convert
 integer :: i_print_gasode_stats
 integer :: i_force_dump, mode_force_dump
 integer :: it, jt, kt
 integer :: jsolver
 integer :: lunerr, lunout, levdbg_err, levdbg_info
 integer :: mgaschem
    real(kind=8) :: trun
 real :: abs_error, rel_error
 real :: dtchem, tchem, tstart, tstop
 real :: airdenbox, pressbox, tempbox
 real :: cair_mlc
 real :: h2o, ch4, oxygen, nitrogen, hydrogen
 real :: cboxnew(ngas_z), cboxold(ngas_z),prodrog(ldrog)
 real :: Aperox(nperox,nperox), Bperox(nperox,nperox)
 real :: rk_param(nperox), rk_photo(nphoto)
 real :: rk_m1(nrxn_m1), rk_m2(nrxn_m2), rk_m3(nrxn_m3), rk_m4(nrxn_m4)
        real factorprog
 integer, dimension(2,6), save :: inforodas=0
 integer, dimension(6), save :: iodestatus_count=0, ioderegime_count=0
 igas_solver = 1
 iregime_forced = -1
 mgaschem = +1
 i_boxtest_units_convert = 0
 i_print_gasode_stats = 1
 mode_force_dump = 0
 lunerr = -1
 lunout = -1
 levdbg_err = 0
 levdbg_info = 15
 abs_error = 1.0e1
 rel_error = 1.0e-3
 levdbg_info = 0
    rk_m1(:) = 0.
    rk_m2(:) = 0.
    rk_m3(:) = 0.
    rk_m4(:) = 0.
 call set_gaschem_allowed_regimes( lunerr, &
  igaschem_allowed_m1, igaschem_allowed_m2, &
  igaschem_allowed_m3, igaschem_allowed_m4 )
 do 2900 jt = jts, jte
 do 2900 kt = kts, kte
 do 2900 it = its, ite
 trun = curr_secs
 tchem = mod( real(gmt*3600.0,8)+trun, 86400._8 )
 dtchem = dtstepc
 tstart = tchem
 tstop = tstart + dtchem
 if ((tstop-tstart) .le. 1.0e-5) goto 2900
 call mapgas_tofrom_host( 0, &
  i_boxtest_units_convert, &
  it,jt,kt, ims,ime, jms,jme, kms,kme, &
  num_moist, num_chem, moist, chem, &
  t_phy, p_phy, rho_phy, &
  cboxold, tempbox, pressbox, airdenbox, &
  cair_mlc, &
  h2o, ch4, oxygen, nitrogen, hydrogen )
 cboxnew(:) = cboxold(:)
 call selectgasregime( iregime, iregime_forced, cboxold, &
  igaschem_allowed_m1, igaschem_allowed_m2, &
  igaschem_allowed_m3, igaschem_allowed_m4 )
 idum = iregime
 if ((idum .lt. 1) .or. (idum .ge. 6)) idum = 6
 ioderegime_count(idum) = ioderegime_count(idum) + 1
 iodestatus_count(6) = iodestatus_count(6) + 1
      call gasphotoconstants( rk_photo, &
     i_boxtest_units_convert, &
     it,jt,kt, ims,ime, jms,jme, kms,kme, &
     ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
     ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
     ph_ch3o2h, ph_n2o5 )
 call loadperoxyparameters( Aperox, Bperox )
 call peroxyrateconstants( tempbox, cboxold, &
   Aperox, Bperox, rk_param )
 call gasrateconstants( iregime, tempbox, cair_mlc, &
  rk_photo, rk_param, rk_m1, rk_m2, rk_m3, rk_m4 )
 i_force_dump = 0
 if (mode_force_dump .eq. 1) then
     if ((it.eq.its) .and. (jt.eq.jts) &
                     .and. (kt.eq.kts)) i_force_dump = 1
 else if (mode_force_dump .eq. 10) then
     if ((it.eq.its) .and. (jt.eq.jts)) i_force_dump = 1
 else if (mode_force_dump .eq. 100) then
     i_force_dump = 1
 else if (mode_force_dump .eq. 7) then
     if ( (it .eq. (its+ite)/2) .and. &
          (jt .eq. (jts+jte)/2) .and. &
          (kt .eq. kts) ) i_force_dump = 1
 else if (mode_force_dump .eq. 77) then
     if ( (it .eq. (its+ite)/2) .and. &
          (jt .eq. (jts+jte)/2) .and. &
          (mod(kt-kts,3) .eq. 0) ) i_force_dump = 1
 end if
 iok = 0
 jsolver = 0
 if (igas_solver .eq. 1) then
     jsolver = 1
     call gasodesolver_rodas( tstart, tstop, iok, &
        it, jt, kt, iregime, &
        mgaschem, lunerr, lunout, levdbg_err, levdbg_info, &
  i_force_dump, inforodas, iodestatus_count, &
        abs_error, rel_error, trun, &
        tempbox, pressbox, airdenbox, cboxnew, cboxold, &
  rk_m1, rk_m2, rk_m3, rk_m4 )
        endif
 if (igas_solver.eq.2 .or. iok.le.0) then
     jsolver = 2
     call gasodesolver_lsodes( tstart, tstop, iok, &
        it, jt, kt, iregime, &
        mgaschem, lunerr, lunout, levdbg_err, levdbg_info, &
  i_force_dump, iodestatus_count, &
        abs_error, rel_error, trun, &
        tempbox, pressbox, airdenbox, cboxnew, cboxold, &
  rk_m1, rk_m2, rk_m3, rk_m4 )
 endif
 if (iok .gt. 0) then
     call mapgas_tofrom_host( 1, &
  i_boxtest_units_convert, &
  it,jt,kt, ims,ime, jms,jme, kms,kme, &
  num_moist, num_chem, moist, chem, &
  t_phy, p_phy, rho_phy, &
  cboxnew, tempbox, pressbox, airdenbox, &
  cair_mlc, &
  h2o, ch4, oxygen, nitrogen, hydrogen )
 end if
         if (iok .gt. 0) then
        call update_vdrog3_cbmz(rk_m2,rk_m3,dtstepc,cboxnew, cboxold, &
                                prodrog)
        airdenbox = rho_phy(it,kt,jt)/28.966e3
        if (i_boxtest_units_convert .eq. 10) then
            airdenbox = rho_phy(it,kt,jt)
        end if
        factorprog = airdenbox*1.0e-6
        if (i_boxtest_units_convert .eq. 10) factorprog = airdenbox
        factorprog = factorprog*avognumkpp
         do iprog=1,ldrog
           prodrog(iprog)=prodrog(iprog)/factorprog
          enddo
          do iprog=1,ldrog
          vdrog3(it,kt,jt,iprog)=prodrog(iprog)
          vdrog3(it,kt,jt,iprog)=max(0.,vdrog3(it,kt,jt,iprog))
          enddo
        endif
2900 continue
 if (i_print_gasode_stats .gt. 0) &
    call print_gasode_stats( lunout, levdbg_info, &
  inforodas, iodestatus_count, ioderegime_count )
 return
 end subroutine cbmz_driver
      subroutine update_vdrog3_cbmz(rk_m2,rk_m3,dtstepc,cboxnew, cboxold, &
                                prodrog)
   USE module_data_sorgam, only: ldrog
   USE module_data_cbmz
      implicit none
      real,intent(in) :: rk_m2(nrxn_m2),cboxnew(ngas_z), cboxold(ngas_z)
      real,intent(in) :: rk_m3(nrxn_m3)
      real,intent(in) :: dtstepc
      real,intent(inout) :: prodrog(ldrog)
      integer i
      real temp_par_new,temp_par_old,f_api,f_lim
      f_api=0.292
      f_lim=0.064
        temp_par_new=0.0
        temp_par_old=0.0
        do i=1,ldrog
        prodrog(i)=0.0
        enddo
        temp_par_new=temp_par_new+cboxnew(ipar_z)/7.9
       temp_par_old=temp_par_old+cboxold(ipar_z)/7.9
      prodrog(1)=0.5*(cboxnew(ixyl_z)+cboxold(ixyl_z))*0.5*(cboxnew(ioh_z)+cboxold(ioh_z)) &
                    *rk_m2(19)*dtstepc
     prodrog(2)=0.5*(cboxnew(itol_z)+cboxold(itol_z))*0.5*(cboxnew(ioh_z)+cboxold(ioh_z)) &
                    *rk_m2(18)*dtstepc
     prodrog(3)=0.5*(cboxnew(icres_z)+cboxold(icres_z))*0.5*(cboxnew(ioh_z)+cboxold(ioh_z)) &
                    *rk_m2(21)*dtstepc
     prodrog(4)=0.5*(cboxnew(icres_z)+cboxold(icres_z))*0.5*(cboxnew(ino3_z)+cboxold(ino3_z)) &
                    *rk_m2(22)*dtstepc
     prodrog(5)=0.5*(temp_par_new+temp_par_old)*0.5*(cboxnew(ioh_z)+cboxold(ioh_z)) &
                    *rk_m2(1)*dtstepc
     prodrog(6)=0.5*(cboxnew(iolei_z)+cboxold(iolei_z))*0.5*(cboxnew(ioh_z)+cboxold(ioh_z)) &
                    *rk_m2(15)*dtstepc
     prodrog(7)=0.5*(cboxnew(iolei_z)+cboxold(iolei_z))*0.5*(cboxnew(ino3_z)+cboxold(ino3_z)) &
                    *rk_m2(17)*dtstepc
     prodrog(8)=0.5*(cboxnew(iolei_z)+cboxold(iolei_z))*0.5*(cboxnew(io3_z)+cboxold(io3_z)) &
                    *rk_m2(13)*dtstepc
     prodrog(9)=0.5*(cboxnew(iolet_z)+cboxold(iolet_z))*0.5*(cboxnew(ioh_z)+cboxold(ioh_z)) &
                    *rk_m2(14)*dtstepc
     prodrog(10)=0.5*(cboxnew(iolet_z)+cboxold(iolet_z))*0.5*(cboxnew(ino3_z)+cboxold(ino3_z)) &
                    *rk_m2(16)*dtstepc
     prodrog(11)=0.5*(cboxnew(iolet_z)+cboxold(iolet_z))*0.5*(cboxnew(io3_z)+cboxold(io3_z)) &
                    *rk_m2(12)*dtstepc
     prodrog(12)=0.5*(cboxnew(iisop_z)+cboxold(iisop_z))*0.5*(cboxnew(ioh_z)+cboxold(ioh_z)) &
                    *rk_m3(1)*dtstepc*f_api
     prodrog(13)=0.5*(cboxnew(iisop_z)+cboxold(iisop_z))*0.5*(cboxnew(ino3_z)+cboxold(ino3_z)) &
                    *rk_m3(3)*dtstepc*f_api
     prodrog(14)=0.5*(cboxnew(iisop_z)+cboxold(iisop_z))*0.5*(cboxnew(io3_z)+cboxold(io3_z)) &
                    *rk_m3(2)*dtstepc*f_api
     prodrog(15)=0.5*(cboxnew(iisop_z)+cboxold(iisop_z))*0.5*(cboxnew(ioh_z)+cboxold(ioh_z)) &
                    *rk_m3(1)*dtstepc*f_lim
     prodrog(16)=0.5*(cboxnew(iisop_z)+cboxold(iisop_z))*0.5*(cboxnew(ino3_z)+cboxold(ino3_z)) &
                    *rk_m3(3)*dtstepc*f_lim
     prodrog(17)=0.5*(cboxnew(iisop_z)+cboxold(iisop_z))*0.5*(cboxnew(io3_z)+cboxold(io3_z)) &
                    *rk_m3(2)*dtstepc*f_lim
        return
        end subroutine update_vdrog3_cbmz
 subroutine print_gasode_stats( lunout, levdbg, &
  inforodas, iodestatus_count, ioderegime_count )
 implicit none
 integer lunout, levdbg
 integer inforodas(2,6), iodestatus_count(6), ioderegime_count(6)
 integer i, j
 character*80 msg
 msg = ' '
 call peg_debugmsg( lunout, levdbg, msg )
 msg = 'output from dump_cbmz_gasodeinfo'
 call peg_debugmsg( lunout, levdbg, msg )
 write(msg,9100) 'oderegime(1-6)', (ioderegime_count(i), i=1,6)
 call peg_debugmsg( lunout, levdbg, msg )
 write(msg,9100) 'odestatus(1-6)', (iodestatus_count(i), i=1,6)
 call peg_debugmsg( lunout, levdbg, msg )
 write(msg,9200) &
        'inforodas(1-3)', ((inforodas(j,i), j=1,2), i=1,3)
 call peg_debugmsg( lunout, levdbg, msg )
 write(msg,9200) &
        'inforodas(4-6)', ((inforodas(j,i), j=1,2), i=4,6)
 call peg_debugmsg( lunout, levdbg, msg )
9100 format( a, 6i11 )
9200 format( a, 3( i11, '--', i9.9 ) )
 return
 end subroutine print_gasode_stats
 subroutine gasodesolver_rodas( tstart, tstop, iok, &
        isvode, jsvode, ksvode, iregime, &
        mgaschem, lunerr, lunout, levdbg_err, levdbg_info, &
  i_force_dump, inforodas, iodestatus_count, &
        abs_error, rel_error, trun, &
        tempbox, pressbox, airdenbox, cboxnew, cboxold, &
  rk_m1, rk_m2, rk_m3, rk_m4 )
 use module_data_cbmz
 use module_cbmz_rodas_prep, only: &
     cbmz_v02r01_mapconcs, cbmz_v02r01_maprates, cbmz_v02r01_torodas, &
     cbmz_v02r02_mapconcs, cbmz_v02r02_maprates, cbmz_v02r02_torodas, &
     cbmz_v02r03_mapconcs, cbmz_v02r03_maprates, cbmz_v02r03_torodas, &
     cbmz_v02r04_mapconcs, cbmz_v02r04_maprates, cbmz_v02r04_torodas, &
     cbmz_v02r05_mapconcs, cbmz_v02r05_maprates, cbmz_v02r05_torodas, &
     cbmz_v02r06_mapconcs, cbmz_v02r06_maprates, cbmz_v02r06_torodas
 implicit none
    real(kind=8) :: trun
 integer iok, isvode, jsvode, ksvode, i_force_dump, iregime, &
              mgaschem, lunerr, lunout, levdbg_err, levdbg_info
 integer inforodas(2,6), iodestatus_count(6)
 real tstart, tstop, abs_error, rel_error
 real tempbox, pressbox, airdenbox
 real cboxnew(ngas_z), cboxold(ngas_z)
 real rk_m1(nrxn_m1), rk_m2(nrxn_m2), rk_m3(nrxn_m3), rk_m4(nrxn_m4)
 integer :: ia, idum, idydt_sngldble, ig, l, ntot
 integer, save :: nrodas_failures = 0
 integer, dimension(6) :: inforodas_cur
        real hmin, hstart, taa, tzz
 real atolvec(ngas_z), rtolvec(ngas_z), &
        stot(ngas_z), &
        yposlimit(ngas_z), yneglimit(ngas_z)
 real sfixedkpp(nfixed_kppmax), rconstkpp(nreact_kppmax)
 character*80 msg
 if (iregime .eq. 1) then
     call cbmz_v02r01_maprates( rk_m1, rk_m2, rk_m3, rk_m4, &
        rconstkpp )
     call cbmz_v02r01_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
 else if (iregime .eq. 2) then
     call cbmz_v02r02_maprates( rk_m1, rk_m2, rk_m3, rk_m4, &
        rconstkpp )
     call cbmz_v02r02_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
 else if (iregime .eq. 3) then
     call cbmz_v02r03_maprates( rk_m1, rk_m2, rk_m3, rk_m4, &
        rconstkpp )
     call cbmz_v02r03_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
 else if (iregime .eq. 4) then
     call cbmz_v02r04_maprates( rk_m1, rk_m2, rk_m3, rk_m4, &
        rconstkpp )
     call cbmz_v02r04_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
 else if (iregime .eq. 5) then
     call cbmz_v02r05_maprates( rk_m1, rk_m2, rk_m3, rk_m4, &
        rconstkpp )
     call cbmz_v02r05_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
 else
     call cbmz_v02r06_maprates( rk_m1, rk_m2, rk_m3, rk_m4, &
        rconstkpp )
     call cbmz_v02r06_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
 end if
 do l = 1, ntot
     atolvec(l) = abs_error
     rtolvec(l) = rel_error
     yposlimit(l) = 1.0e20
     yneglimit(l) = -1.0e8
 end do
 taa = tstart
 tzz = tstop
 hmin = 1.0e-5
 hstart = 60.0
 idydt_sngldble = 1
 if (iregime .eq. 1) then
     call cbmz_v02r01_torodas( &
        ntot, taa, tzz, &
        stot, atolvec, rtolvec, yposlimit, yneglimit, &
        sfixedkpp, rconstkpp, &
        hmin, hstart, &
        inforodas_cur, iok, lunerr, idydt_sngldble )
 else if (iregime .eq. 2) then
     call cbmz_v02r02_torodas( &
        ntot, taa, tzz, &
        stot, atolvec, rtolvec, yposlimit, yneglimit, &
        sfixedkpp, rconstkpp, &
        hmin, hstart, &
        inforodas_cur, iok, lunerr, idydt_sngldble )
 else if (iregime .eq. 3) then
     call cbmz_v02r03_torodas( &
        ntot, taa, tzz, &
        stot, atolvec, rtolvec, yposlimit, yneglimit, &
        sfixedkpp, rconstkpp, &
        hmin, hstart, &
        inforodas_cur, iok, lunerr, idydt_sngldble )
 else if (iregime .eq. 4) then
     call cbmz_v02r04_torodas( &
        ntot, taa, tzz, &
        stot, atolvec, rtolvec, yposlimit, yneglimit, &
        sfixedkpp, rconstkpp, &
        hmin, hstart, &
        inforodas_cur, iok, lunerr, idydt_sngldble )
 else if (iregime .eq. 5) then
     call cbmz_v02r05_torodas( &
        ntot, taa, tzz, &
        stot, atolvec, rtolvec, yposlimit, yneglimit, &
        sfixedkpp, rconstkpp, &
        hmin, hstart, &
        inforodas_cur, iok, lunerr, idydt_sngldble )
 else
     call cbmz_v02r06_torodas( &
        ntot, taa, tzz, &
        stot, atolvec, rtolvec, yposlimit, yneglimit, &
        sfixedkpp, rconstkpp, &
        hmin, hstart, &
        inforodas_cur, iok, lunerr, idydt_sngldble )
 end if
 if (iok .gt. 0) then
     if (inforodas_cur(6) .le. 0) then
  ia = 1
     else
  ia = 2
     end if
 else
     ia = 3
 end if
 iodestatus_count(ia) = iodestatus_count(ia) + 1
 do ia = 1, 6
     idum = inforodas(2,ia) + inforodas_cur(ia)
     inforodas(1,ia) = inforodas(1,ia) + (idum/1000000000)
     inforodas(2,ia) = mod(idum, 1000000000)
 end do
 if (iregime .eq. 1) then
     call cbmz_v02r01_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
 else if (iregime .eq. 2) then
     call cbmz_v02r02_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
 else if (iregime .eq. 3) then
     call cbmz_v02r03_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
 else if (iregime .eq. 4) then
     call cbmz_v02r04_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
 else if (iregime .eq. 5) then
     call cbmz_v02r05_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
 else
     call cbmz_v02r06_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
 end if
 if (iok .gt. 0) then
     if (i_force_dump .le. 0) goto 20000
 else
     nrodas_failures = nrodas_failures + 1
     if (nrodas_failures .gt. 100) goto 20000
 end if
 msg = ' '
 call peg_debugmsg( lunout, levdbg_err, msg )
 if (iok .gt. 0) then
     msg = '*** gasodesolver_rodas forced dump'
 else
     write(msg,*) '*** gasodesolver_rodas failure no.', &
        nrodas_failures
 end if
 call peg_debugmsg( lunout, levdbg_err, msg )
 msg = 'iregime, iok, i, j, k / t'
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97010) iregime, iok, isvode, jsvode, ksvode
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97020) trun
 call peg_debugmsg( lunout, levdbg_err, msg )
 msg = 'inforodas_cur(1-6) ='
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97010) inforodas_cur
 call peg_debugmsg( lunout, levdbg_err, msg )
 msg = &
 'tstart, tstop, abs_error, rel_error / temp, press, cair, cos_sza ='
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97020) tstart, tstop, abs_error, rel_error
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97020) tempbox, pressbox, airdenbox, -99.0
 call peg_debugmsg( lunout, levdbg_err, msg )
 idum = 0
 do ig = nreact_kppmax, 1, -1
     if ((idum .eq. 0) .and. (rconstkpp(ig) .ne. 0.0)) idum = ig
 end do
 msg = 'ngas_z, nrconst_nonzero ='
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97010) ngas_z, idum
 call peg_debugmsg( lunout, levdbg_err, msg )
 msg = 'l, name, cboxold, cboxnew for l=1,ngas_z'
 call peg_debugmsg( lunout, levdbg_err, msg )
 do l = 1, ngas_z
     write(msg,97030) l, name_z(l), cboxold(l), cboxnew(l)
     call peg_debugmsg( lunout, levdbg_err, msg )
 end do
 msg = 'rconst for i=1,nrconst_nonzero'
 call peg_debugmsg( lunout, levdbg_err, msg )
 do ia = 1, idum, 4
     write(msg,97020) ( rconstkpp(ig), ig = ia, min(ia+3,idum) )
     call peg_debugmsg( lunout, levdbg_err, msg )
 end do
97010 format( 6i12 )
97020 format( 4(1pe18.10) )
97030 format(( i3, 1x, a, 2(1pe18.10) ))
20000 do l = 1, ngas_z
     cboxnew(l) = max( cboxnew(l), 0.0 )
 end do
 return
 end subroutine gasodesolver_rodas
      subroutine gasodesolver_lsodes( tstart, tstop, iok, &
        isvode, jsvode, ksvode, iregime, &
        mgaschem, lunerr, lunout, levdbg_err, levdbg_info, &
  i_force_dump, iodestatus_count, &
        abs_error, rel_error, trun, &
        tempbox, pressbox, airdenbox, cboxnew, cboxold, &
  rk_m1, rk_m2, rk_m3, rk_m4 )
      use module_data_cbmz
      use module_cbmz_lsodes_solver, only: lsodes_solver, xsetf, &
                                            set_lsodes_common_vars
      implicit none
      real(kind=8) :: trun
      integer i, iok, isvode, jsvode, ksvode, i_force_dump, iregime, &
              mgaschem, lunerr, lunout, levdbg_err, levdbg_info
      integer iodestatus_count(6)
      real tstart, tstop, abs_error, rel_error
      real tempbox, pressbox, airdenbox
      real cboxnew(ngas_z), cboxold(ngas_z)
      real rk_m1(nrxn_m1), rk_m2(nrxn_m2), rk_m3(nrxn_m3), rk_m4(nrxn_m4)
      integer itoler, itask, iopt, mf, lwm, nrdim, nidim
      integer nruserpar, niuserpar
      parameter( itoler = 1, itask = 1, iopt = 1, mf= 222 )
      parameter( lwm = 3*ngas_tot*ngas_tot + 12*ngas_tot )
      parameter( nrdim = 20 + 9*ngas_tot + lwm )
      parameter( nidim = 31 + ngas_tot + ngas_tot*ngas_tot )
      parameter( nruserpar = 5 + nrxn_m1 + nrxn_m2 + nrxn_m3 + nrxn_m4)
      parameter( niuserpar = ngas_z + 1 )
      integer ia, idum, ig, ioffset, istate, iwork(nidim), l
      integer ntotvec(1), iuserpar(niuserpar)
      integer indx(ngas_z)
      integer, save :: iflagout = 0
      integer, save :: nlsodes_failures = 0
      real dtchem, rwork(nrdim), stot(ngas_tot)
      real atolvec(1), rtolvec(1), ruserpar(nruserpar)
      character*80 msg
      iok = 1
      call set_lsodes_common_vars()
      call setgasindices( iregime, indx )
      call mapgasspecies( cboxold, stot, 0, iregime, indx )
      if (iregime .eq. 1) then
          ntotvec(1) = ngas_r1
      else if (iregime .eq. 2) then
          ntotvec(1) = ngas_r2
      else if (iregime .eq. 3) then
          ntotvec(1) = ngas_r3
      else if (iregime .eq. 4) then
          ntotvec(1) = ngas_r4
      else if (iregime .eq. 5) then
          ntotvec(1) = ngas_r5
      else
          ntotvec(1) = ngas_r6
      end if
100 continue
      iwork(6) = 1000
      iwork(7) = 1
      istate = 1
      rwork(6) = dtchem
      if(iflagout.eq.0)then
          call xsetf(iflagout)
      endif
      atolvec(1) = abs_error
      rtolvec(1) = rel_error
      do ig = 1, 5
          ruserpar(ig) = ig*7.0
      end do
      ruserpar(1) = cboxold(ih2o_z)
      ruserpar(2) = cboxold(ich4_z)
      ruserpar(3) = cboxold(io2_z)
      ruserpar(4) = cboxold(in2_z)
      ruserpar(5) = cboxold(ih2_z)
      ioffset = 5
      do ig = 1, nrxn_m1
          ruserpar(ioffset+ig) = rk_m1(ig)
      end do
      ioffset = ioffset + nrxn_m1
      do ig = 1, nrxn_m2
          ruserpar(ioffset+ig) = rk_m2(ig)
      end do
      ioffset = ioffset + nrxn_m2
      do ig = 1, nrxn_m3
          ruserpar(ioffset+ig) = rk_m3(ig)
      end do
      ioffset = ioffset + nrxn_m3
      do ig = 1, nrxn_m4
          ruserpar(ioffset+ig) = rk_m4(ig)
      end do
      iuserpar(1) = iregime
      do ig = 1, ngas_z
          iuserpar(1+ig) = indx(ig)
      end do
      call lsodes_solver( &
                gasode_cbmz, ntotvec, stot, tstart, tstop, &
        itoler, rtolvec, atolvec, itask, istate, iopt, &
        rwork, nrdim, iwork, nidim, jcs, mf, &
        ruserpar, nruserpar, iuserpar, niuserpar )
      if (istate .le. 0) iok = -1
      if (iok .gt. 0) then
          ia = 4
      else
          ia = 5
      end if
      iodestatus_count(ia) = iodestatus_count(ia) + 1
 call mapgasspecies( cboxnew, stot, 1, iregime, indx )
 if (iok .gt. 0) then
     if (i_force_dump .le. 0) goto 20000
 else
     nlsodes_failures = nlsodes_failures + 1
 end if
 msg = ' '
 call peg_debugmsg( lunout, levdbg_err, msg )
 if (iok .gt. 0) then
     msg = '*** gasodesolver_lsodes forced dump'
 else
     write(msg,*) '*** gasodesolver_lsodes failure no.', &
  nlsodes_failures
 end if
 call peg_debugmsg( lunout, levdbg_err, msg )
 msg = 'iregime, iok, i, j, k / t'
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97010) iregime, iok, isvode, jsvode, ksvode
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97020) trun
 call peg_debugmsg( lunout, levdbg_err, msg )
 if (nlsodes_failures .gt. 1000) then
     write(msg,*) '*** exceeded lsodes failure limit =', 1000
     call peg_debugmsg( lunout, levdbg_err, msg )
     call peg_error_fatal( lunerr, msg )
 end if
 if (nlsodes_failures .gt. 100) goto 20000
 write(msg,*) 'istate -', istate
 call peg_debugmsg( lunout, levdbg_err, msg )
 msg = &
 'tstart, tstop, abs_error, rel_error / temp, press, cair, cos_sza ='
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97020) tstart, tstop, abs_error, rel_error
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97020) tempbox, pressbox, airdenbox, -99.0
 call peg_debugmsg( lunout, levdbg_err, msg )
 idum = nrxn_m1 + nrxn_m2 + nrxn_m3 + nrxn_m4
 msg = 'ngas_z, nrconst_m1+m2+m3+m4 ='
 call peg_debugmsg( lunout, levdbg_err, msg )
 write(msg,97010) ngas_z, idum
 call peg_debugmsg( lunout, levdbg_err, msg )
 msg = 'l, name, cboxold, cboxnew for l=1,ngas_z'
 call peg_debugmsg( lunout, levdbg_err, msg )
 do l = 1, ngas_z
     write(msg,97030) l, name_z(l), cboxold(l), cboxnew(l)
     call peg_debugmsg( lunout, levdbg_err, msg )
 end do
 msg = 'rconst for i=1,nrconst_nonzero'
 call peg_debugmsg( lunout, levdbg_err, msg )
 do ia = 1, nrxn_m1, 4
     write(msg,97020) ( rk_m1(ig), ig = ia, min(ia+3,nrxn_m1) )
     call peg_debugmsg( lunout, levdbg_err, msg )
 end do
 do ia = 1, nrxn_m2, 4
     write(msg,97020) ( rk_m2(ig), ig = ia, min(ia+3,nrxn_m2) )
     call peg_debugmsg( lunout, levdbg_err, msg )
 end do
 do ia = 1, nrxn_m3, 4
     write(msg,97020) ( rk_m3(ig), ig = ia, min(ia+3,nrxn_m3) )
     call peg_debugmsg( lunout, levdbg_err, msg )
 end do
 do ia = 1, nrxn_m4, 4
     write(msg,97020) ( rk_m4(ig), ig = ia, min(ia+3,nrxn_m4) )
     call peg_debugmsg( lunout, levdbg_err, msg )
 end do
97010 format( 6i12 )
97020 format( 4(1pe18.10) )
97030 format(( i3, 1x, a, 2(1pe18.10) ))
20000 do l = 1, ngas_z
     cboxnew(l) = max( cboxnew(l), 0.0 )
 end do
      return
      end subroutine gasodesolver_lsodes
      subroutine selectgasregime( iregime, iregime_forced, cbox, &
              igaschem_allowed_m1, igaschem_allowed_m2, &
              igaschem_allowed_m3, igaschem_allowed_m4 )
      use module_data_cbmz
      implicit none
      integer iregime, iregime_forced
      integer igaschem_allowed_m1, igaschem_allowed_m2, &
              igaschem_allowed_m3, igaschem_allowed_m4
      real cbox(ngas_z)
      integer iwork(6)
      integer m_m1, m_m2, m_m3, m_m4
      real cut_molecpcc
      cut_molecpcc = 5.e+6
      m_m1 = 1
      m_m2 = 0
      m_m3 = 0
      m_m4 = 0
      if (igaschem_allowed_m2 .gt. 0) then
          if (cbox(ipar_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(iaone_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(imgly_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(ieth_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(iolet_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(iolei_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(ixyl_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(icres_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(ito2_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(icro_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(iopen_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(ionit_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(irooh_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(iro2_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(iano2_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(inap_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(ixo2_z ) .gt. cut_molecpcc) m_m2 = 1
          if (cbox(ixpar_z ) .gt. cut_molecpcc) m_m2 = 1
      end if
      if (igaschem_allowed_m3 .gt. 0) then
          if (cbox(iisop_z ) .gt. cut_molecpcc) m_m3 = 2
          if (cbox(iisoprd_z ) .gt. cut_molecpcc) m_m3 = 2
          if (cbox(iisopp_z ) .gt. cut_molecpcc) m_m3 = 2
          if (cbox(iisopn_z ) .gt. cut_molecpcc) m_m3 = 2
          if (cbox(iisopo2_z ) .gt. cut_molecpcc) m_m3 = 2
      end if
      if (igaschem_allowed_m4 .gt. 0) then
          if (cbox(idms_z ) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(imsa_z ) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(idmso_z ) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(idmso2_z ) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(ich3so2h_z ) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(ich3sch2oo_z ) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(ich3so2_z ) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(ich3so3_z ) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(ich3so2oo_z ) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(ich3so2ch2oo_z) .gt. cut_molecpcc) m_m4 = 3
          if (cbox(imtf_z ) .gt. cut_molecpcc) m_m4 = 3
      end if
      iregime = m_m1 + m_m2*((2-m_m3)/2) + m_m3 + m_m4
      if ((iregime_forced .ge. 1) .and. (iregime_forced .le. 6)) &
          iregime = iregime_forced
      return
      end subroutine selectgasregime
      subroutine setgasindices( iregime, indx )
      use module_data_cbmz
      implicit none
      integer iregime, indx(ngas_z)
      integer ilast
      ilast = 0
      indx(:) = -999888777
      goto (1,2,3,4,5,6), iregime
1 call setgasindex_m1( ilast, indx )
      return
2 call setgasindex_m1( ilast, indx )
      call setgasindex_m2( ilast, indx )
      return
3 call setgasindex_m1( ilast, indx )
      call setgasindex_m2( ilast, indx )
      call setgasindex_m3( ilast, indx )
      return
4 call setgasindex_m1( ilast, indx )
      call setgasindex_m4( ilast, indx )
      return
5 call setgasindex_m1( ilast, indx )
      call setgasindex_m2( ilast, indx )
      call setgasindex_m4( ilast, indx )
      return
6 call setgasindex_m1( ilast, indx )
      call setgasindex_m2( ilast, indx )
      call setgasindex_m3( ilast, indx )
      call setgasindex_m4( ilast, indx )
      return
      end subroutine setgasindices
      subroutine gasrateconstants( iregime, tempbox, cair_mlc, &
  rk_photo, rk_param, rk_m1, rk_m2, rk_m3, rk_m4 )
      use module_data_cbmz
      implicit none
      integer iregime
      real tempbox, cair_mlc
      real rk_photo(nphoto), rk_param(nperox)
      real rk_m1(nrxn_m1), rk_m2(nrxn_m2), rk_m3(nrxn_m3), rk_m4(nrxn_m4)
      call gasthermrk_m1( tempbox, cair_mlc, &
                          rk_photo, rk_param, rk_m1, rk_m2 )
      if ((iregime .eq. 2) .or. &
          (iregime .eq. 3) .or. &
          (iregime .eq. 5) .or. &
          (iregime .eq. 6)) &
          call gasthermrk_m2( tempbox, cair_mlc, &
                              rk_photo, rk_param, rk_m2 )
      if ((iregime .eq. 3) .or. &
          (iregime .eq. 6)) &
          call gasthermrk_m3( tempbox, cair_mlc, &
                              rk_photo, rk_param, rk_m3 )
      if ((iregime .eq. 4) .or. &
          (iregime .eq. 5) .or. &
          (iregime .eq. 6)) &
          call gasthermrk_m4( tempbox, cair_mlc, &
                              rk_photo, rk_param, rk_m4 )
      return
      end subroutine gasrateconstants
      subroutine setgasindex_m1( ilast, indx )
      use module_data_cbmz
      implicit none
      integer ilast, indx(ngas_z)
      indx(ino_z) = 1
      indx(ino2_z) = 2
      indx(ino3_z) = 3
      indx(in2o5_z) = 4
      indx(ihono_z) = 5
      indx(ihno3_z) = 6
      indx(ihno4_z) = 7
      indx(io3_z) = 8
      indx(io1d_z) = 9
      indx(io3p_z) = 10
      indx(ioh_z) = 11
      indx(iho2_z) = 12
      indx(ih2o2_z) = 13
      indx(ico_z) = 14
      indx(iso2_z) = 15
      indx(ih2so4_z) = 16
      indx(inh3_z) = 17
      indx(ihcl_z) = 18
      indx(ic2h6_z) = 19
      indx(ich3o2_z) = 20
      indx(iethp_z) = 21
      indx(ihcho_z) = 22
      indx(ich3oh_z) = 23
      indx(ic2h5oh_z) = 24
      indx(ich3ooh_z) = 25
      indx(iethooh_z) = 26
      indx(iald2_z) = 27
      indx(ihcooh_z) = 28
      indx(ircooh_z) = 29
      indx(ic2o3_z) = 30
      indx(ipan_z) = 31
      ilast = indx(ipan_z)
      return
      end subroutine setgasindex_m1
      subroutine setgasindex_m2( ilast, indx )
      use module_data_cbmz
      implicit none
      integer ilast, indx(ngas_z)
      indx(ipar_z) = ilast + 1
      indx(iaone_z) = ilast + 2
      indx(imgly_z) = ilast + 3
      indx(ieth_z) = ilast + 4
      indx(iolet_z) = ilast + 5
      indx(iolei_z) = ilast + 6
      indx(itol_z) = ilast + 7
      indx(ixyl_z) = ilast + 8
      indx(icres_z) = ilast + 9
      indx(ito2_z) = ilast + 10
      indx(icro_z) = ilast + 11
      indx(iopen_z) = ilast + 12
      indx(ionit_z) = ilast + 13
      indx(irooh_z) = ilast + 14
      indx(iro2_z) = ilast + 15
      indx(iano2_z) = ilast + 16
      indx(inap_z) = ilast + 17
      indx(ixo2_z) = ilast + 18
      indx(ixpar_z) = ilast + 19
      ilast = indx(ixpar_z)
      return
      end subroutine setgasindex_m2
      subroutine setgasindex_m3( ilast, indx )
      use module_data_cbmz
      implicit none
      integer ilast, indx(ngas_z)
      indx(iisop_z) = ilast + 1
      indx(iisoprd_z) = ilast + 2
      indx(iisopp_z) = ilast + 3
      indx(iisopn_z) = ilast + 4
      indx(iisopo2_z) = ilast + 5
      ilast = indx(iisopo2_z)
      return
      end subroutine setgasindex_m3
      subroutine setgasindex_m4( ilast, indx )
      use module_data_cbmz
      implicit none
      integer ilast, indx(ngas_z)
      indx(idms_z) = ilast + 1
      indx(imsa_z) = ilast + 2
      indx(idmso_z) = ilast + 3
      indx(idmso2_z) = ilast + 4
      indx(ich3so2h_z) = ilast + 5
      indx(ich3sch2oo_z) = ilast + 6
      indx(ich3so2_z) = ilast + 7
      indx(ich3so3_z) = ilast + 8
      indx(ich3so2oo_z) = ilast + 9
      indx(ich3so2ch2oo_z) = ilast + 10
      indx(imtf_z) = ilast + 11
      ilast = indx(imtf_z)
      return
      end subroutine setgasindex_m4
      subroutine mapgasspecies( cbox, stot, imap, iregime, indx )
      use module_data_cbmz
      implicit none
      integer imap, iregime, indx(ngas_z)
      real cbox(ngas_z)
      real stot(ngas_tot)
      goto (1,2,3,4,5,6), iregime
1 call mapgas_m1( cbox, stot, imap, indx )
      return
2 call mapgas_m1( cbox, stot, imap, indx )
      call mapgas_m2( cbox, stot, imap, indx )
      return
3 call mapgas_m1( cbox, stot, imap, indx )
      call mapgas_m2( cbox, stot, imap, indx )
      call mapgas_m3( cbox, stot, imap, indx )
      return
4 call mapgas_m1( cbox, stot, imap, indx )
      call mapgas_m4( cbox, stot, imap, indx )
      return
5 call mapgas_m1( cbox, stot, imap, indx )
      call mapgas_m2( cbox, stot, imap, indx )
      call mapgas_m4( cbox, stot, imap, indx )
      return
6 call mapgas_m1( cbox, stot, imap, indx )
      call mapgas_m2( cbox, stot, imap, indx )
      call mapgas_m3( cbox, stot, imap, indx )
      call mapgas_m4( cbox, stot, imap, indx )
      return
      end subroutine mapgasspecies
      subroutine mapgas_m1( cbox, stot, imap, indx )
      use module_data_cbmz
      implicit none
      integer imap, indx(ngas_z)
      real cbox(ngas_z)
      real stot(ngas_tot)
      if(imap.eq.0)then
      stot(indx(ino_z)) = cbox(ino_z)
      stot(indx(ino2_z)) = cbox(ino2_z)
      stot(indx(ino3_z)) = cbox(ino3_z)
      stot(indx(in2o5_z)) = cbox(in2o5_z)
      stot(indx(ihono_z)) = cbox(ihono_z)
      stot(indx(ihno3_z)) = cbox(ihno3_z)
      stot(indx(ihno4_z)) = cbox(ihno4_z)
      stot(indx(io3_z)) = cbox(io3_z)
      stot(indx(io1d_z)) = cbox(io1d_z)
      stot(indx(io3p_z)) = cbox(io3p_z)
      stot(indx(ioh_z)) = cbox(ioh_z)
      stot(indx(iho2_z)) = cbox(iho2_z)
      stot(indx(ih2o2_z)) = cbox(ih2o2_z)
      stot(indx(ico_z)) = cbox(ico_z)
      stot(indx(iso2_z)) = cbox(iso2_z)
      stot(indx(ih2so4_z)) = cbox(ih2so4_z)
      stot(indx(inh3_z)) = cbox(inh3_z)
      stot(indx(ihcl_z)) = cbox(ihcl_z)
      stot(indx(ic2h6_z)) = cbox(ic2h6_z)
      stot(indx(ich3o2_z)) = cbox(ich3o2_z)
      stot(indx(iethp_z)) = cbox(iethp_z)
      stot(indx(ihcho_z)) = cbox(ihcho_z)
      stot(indx(ich3oh_z)) = cbox(ich3oh_z)
      stot(indx(ic2h5oh_z)) = cbox(ic2h5oh_z)
      stot(indx(ich3ooh_z)) = cbox(ich3ooh_z)
      stot(indx(iethooh_z)) = cbox(iethooh_z)
      stot(indx(iald2_z)) = cbox(iald2_z)
      stot(indx(ihcooh_z)) = cbox(ihcooh_z)
      stot(indx(ircooh_z)) = cbox(ircooh_z)
      stot(indx(ic2o3_z)) = cbox(ic2o3_z)
      stot(indx(ipan_z)) = cbox(ipan_z)
      else
      cbox(ino_z) = stot(indx(ino_z))
      cbox(ino2_z) = stot(indx(ino2_z))
      cbox(ino3_z) = stot(indx(ino3_z))
      cbox(in2o5_z) = stot(indx(in2o5_z))
      cbox(ihono_z) = stot(indx(ihono_z))
      cbox(ihno3_z) = stot(indx(ihno3_z))
      cbox(ihno4_z) = stot(indx(ihno4_z))
      cbox(io3_z) = stot(indx(io3_z))
      cbox(io1d_z) = stot(indx(io1d_z))
      cbox(io3p_z) = stot(indx(io3p_z))
      cbox(ioh_z) = stot(indx(ioh_z))
      cbox(iho2_z) = stot(indx(iho2_z))
      cbox(ih2o2_z) = stot(indx(ih2o2_z))
      cbox(ico_z) = stot(indx(ico_z))
      cbox(iso2_z) = stot(indx(iso2_z))
      cbox(ih2so4_z) = stot(indx(ih2so4_z))
      cbox(inh3_z) = stot(indx(inh3_z))
      cbox(ihcl_z) = stot(indx(ihcl_z))
      cbox(ic2h6_z) = stot(indx(ic2h6_z))
      cbox(ich3o2_z) = stot(indx(ich3o2_z))
      cbox(iethp_z) = stot(indx(iethp_z))
      cbox(ihcho_z) = stot(indx(ihcho_z))
      cbox(ich3oh_z) = stot(indx(ich3oh_z))
      cbox(ic2h5oh_z) = stot(indx(ic2h5oh_z))
      cbox(ich3ooh_z) = stot(indx(ich3ooh_z))
      cbox(iethooh_z) = stot(indx(iethooh_z))
      cbox(iald2_z) = stot(indx(iald2_z))
      cbox(ihcooh_z) = stot(indx(ihcooh_z))
      cbox(ircooh_z) = stot(indx(ircooh_z))
      cbox(ic2o3_z) = stot(indx(ic2o3_z))
      cbox(ipan_z) = stot(indx(ipan_z))
      endif
      return
      end subroutine mapgas_m1
      subroutine mapgas_m2( cbox, stot, imap, indx )
      use module_data_cbmz
      implicit none
      integer imap, indx(ngas_z)
      real cbox(ngas_z)
      real stot(ngas_tot)
      if(imap.eq.0)then
      stot(indx(ipar_z)) = cbox(ipar_z)
      stot(indx(iaone_z)) = cbox(iaone_z)
      stot(indx(imgly_z)) = cbox(imgly_z)
      stot(indx(ieth_z)) = cbox(ieth_z)
      stot(indx(iolet_z)) = cbox(iolet_z)
      stot(indx(iolei_z)) = cbox(iolei_z)
      stot(indx(itol_z)) = cbox(itol_z)
      stot(indx(ixyl_z)) = cbox(ixyl_z)
      stot(indx(icres_z)) = cbox(icres_z)
      stot(indx(ito2_z)) = cbox(ito2_z)
      stot(indx(icro_z)) = cbox(icro_z)
      stot(indx(iopen_z)) = cbox(iopen_z)
      stot(indx(ionit_z)) = cbox(ionit_z)
      stot(indx(irooh_z)) = cbox(irooh_z)
      stot(indx(iro2_z)) = cbox(iro2_z)
      stot(indx(iano2_z)) = cbox(iano2_z)
      stot(indx(inap_z)) = cbox(inap_z)
      stot(indx(ixo2_z)) = cbox(ixo2_z)
      stot(indx(ixpar_z)) = cbox(ixpar_z)
      else
      cbox(ipar_z) = stot(indx(ipar_z))
      cbox(iaone_z) = stot(indx(iaone_z))
      cbox(imgly_z) = stot(indx(imgly_z))
      cbox(ieth_z) = stot(indx(ieth_z))
      cbox(iolet_z) = stot(indx(iolet_z))
      cbox(iolei_z) = stot(indx(iolei_z))
      cbox(itol_z) = stot(indx(itol_z))
      cbox(ixyl_z) = stot(indx(ixyl_z))
      cbox(icres_z) = stot(indx(icres_z))
      cbox(ito2_z) = stot(indx(ito2_z))
      cbox(icro_z) = stot(indx(icro_z))
      cbox(iopen_z) = stot(indx(iopen_z))
      cbox(ionit_z) = stot(indx(ionit_z))
      cbox(irooh_z) = stot(indx(irooh_z))
      cbox(iro2_z) = stot(indx(iro2_z))
      cbox(iano2_z) = stot(indx(iano2_z))
      cbox(inap_z) = stot(indx(inap_z))
      cbox(ixo2_z) = stot(indx(ixo2_z))
      cbox(ixpar_z) = stot(indx(ixpar_z))
      endif
      return
      end subroutine mapgas_m2
      subroutine mapgas_m3( cbox, stot, imap, indx )
      use module_data_cbmz
      implicit none
      integer imap, indx(ngas_z)
      real cbox(ngas_z)
      real stot(ngas_tot)
      if(imap.eq.0)then
      stot(indx(iisop_z)) = cbox(iisop_z)
      stot(indx(iisoprd_z)) = cbox(iisoprd_z)
      stot(indx(iisopp_z)) = cbox(iisopp_z)
      stot(indx(iisopn_z)) = cbox(iisopn_z)
      stot(indx(iisopo2_z)) = cbox(iisopo2_z)
      else
      cbox(iisop_z) = stot(indx(iisop_z))
      cbox(iisoprd_z) = stot(indx(iisoprd_z))
      cbox(iisopp_z) = stot(indx(iisopp_z))
      cbox(iisopn_z) = stot(indx(iisopn_z))
      cbox(iisopo2_z) = stot(indx(iisopo2_z))
      endif
      return
      end subroutine mapgas_m3
      subroutine mapgas_m4( cbox, stot, imap, indx )
      use module_data_cbmz
      implicit none
      integer imap, indx(ngas_z)
      real cbox(ngas_z)
      real stot(ngas_tot)
      if(imap.eq.0)then
      stot(indx(idms_z)) = cbox(idms_z)
      stot(indx(imsa_z)) = cbox(imsa_z)
      stot(indx(idmso_z)) = cbox(idmso_z)
      stot(indx(idmso2_z)) = cbox(idmso2_z)
      stot(indx(ich3so2h_z)) = cbox(ich3so2h_z)
      stot(indx(ich3sch2oo_z)) = cbox(ich3sch2oo_z)
      stot(indx(ich3so2_z)) = cbox(ich3so2_z)
      stot(indx(ich3so3_z)) = cbox(ich3so3_z)
      stot(indx(ich3so2oo_z)) = cbox(ich3so2oo_z)
      stot(indx(ich3so2ch2oo_z))= cbox(ich3so2ch2oo_z)
      stot(indx(imtf_z)) = cbox(imtf_z)
      else
      cbox(idms_z) = stot(indx(idms_z))
      cbox(imsa_z) = stot(indx(imsa_z))
      cbox(idmso_z) = stot(indx(idmso_z))
      cbox(idmso2_z) = stot(indx(idmso2_z))
      cbox(ich3so2h_z) = stot(indx(ich3so2h_z))
      cbox(ich3sch2oo_z) = stot(indx(ich3sch2oo_z))
      cbox(ich3so2_z) = stot(indx(ich3so2_z))
      cbox(ich3so3_z) = stot(indx(ich3so3_z))
      cbox(ich3so2oo_z) = stot(indx(ich3so2oo_z))
      cbox(ich3so2ch2oo_z)= stot(indx(ich3so2ch2oo_z))
      cbox(imtf_z) = stot(indx(imtf_z))
      endif
      return
      end subroutine mapgas_m4
      subroutine check_userpar( ruserpar, nruserpar, iuserpar, niuserpar )
      use module_data_cbmz
      implicit none
      integer nruserpar, niuserpar
      integer iuserpar(niuserpar)
      real ruserpar(nruserpar)
      integer i
      real dum
      character*80 msg
      if (nruserpar .ne. (5 + nrxn_m1 + nrxn_m2 + nrxn_m3 + nrxn_m4)) then
          write(msg,9010) 'nruserpar', -1, nruserpar
          call wrf_error_fatal3("<stdin>",1772,&
msg )
      end if
      if (niuserpar .ne. (ngas_z + 1)) then
          write(msg,9010) 'niuserpar', -1, niuserpar
          call wrf_error_fatal3("<stdin>",1778,&
msg )
      end if
9010 format( '*** check_userpar error -- ', a, 1x, i8, 1x, i8 )
      return
      end subroutine check_userpar
      subroutine gasode_cbmz( ntot, tt, s, sdot, &
          ruserpar, nruserpar, iuserpar, niuserpar )
      use module_data_cbmz
      implicit none
      integer ntot, nruserpar, niuserpar
      integer iuserpar(niuserpar)
      real tt
      real s(ngas_tot), sdot(ngas_tot), ruserpar(nruserpar)
      integer ig, ioffset, iregime, irxn
      integer indx(ngas_z)
      real h2o, ch4, oxygen, nitrogen, hydrogen
      real rk_m1(nrxn_m1), r_m1(nrxn_m1)
      real rk_m2(nrxn_m2), r_m2(nrxn_m2)
      real rk_m3(nrxn_m3), r_m3(nrxn_m3)
      real rk_m4(nrxn_m4), r_m4(nrxn_m4)
      real p_m1(ngas_tot), d_m1(ngas_tot)
      real p_m2(ngas_tot), d_m2(ngas_tot)
      real p_m3(ngas_tot), d_m3(ngas_tot)
      real p_m4(ngas_tot), d_m4(ngas_tot)
      call check_userpar( ruserpar, nruserpar, iuserpar, niuserpar )
      iregime = iuserpar(1)
      do ig = 1, ngas_z
          indx(ig) = iuserpar(ig+1)
      end do
      h2o = ruserpar(1)
      ch4 = ruserpar(2)
      oxygen = ruserpar(3)
      nitrogen = ruserpar(4)
      hydrogen = ruserpar(5)
      ioffset = 5
      do ig = 1, nrxn_m1
          rk_m1(ig) = ruserpar(ioffset+ig)
      end do
      ioffset = ioffset + nrxn_m1
      do ig = 1, nrxn_m2
          rk_m2(ig) = ruserpar(ioffset+ig)
      end do
      ioffset = ioffset + nrxn_m2
      do ig = 1, nrxn_m3
          rk_m3(ig) = ruserpar(ioffset+ig)
      end do
      ioffset = ioffset + nrxn_m3
      do ig = 1, nrxn_m4
          rk_m4(ig) = ruserpar(ioffset+ig)
      end do
      do irxn=1,nrxn_m1
      r_m1(irxn) = 0.
      enddo
      do irxn=1,nrxn_m2
      r_m2(irxn) = 0.
      enddo
      do irxn=1,nrxn_m3
      r_m3(irxn) = 0.
      enddo
      do irxn=1,nrxn_m4
      r_m4(irxn) = 0.
      enddo
      do ig=1,ngas_tot
      p_m1(ig) = 0.
      p_m2(ig) = 0.
      p_m3(ig) = 0.
      p_m4(ig) = 0.
      d_m1(ig) = 0.
      d_m2(ig) = 0.
      d_m3(ig) = 0.
      d_m4(ig) = 0.
      enddo
      call gasrate_m1( indx, s, r_m1, r_m2, rk_m1, rk_m2, &
                           h2o, ch4, oxygen, nitrogen, hydrogen )
      if ((iregime .eq. 2) .or. &
          (iregime .eq. 3) .or. &
          (iregime .eq. 5) .or. &
          (iregime .eq. 6)) &
          call gasrate_m2( indx, s, r_m2, rk_m2 )
      if ((iregime .eq. 3) .or. &
          (iregime .eq. 6)) &
          call gasrate_m3( indx, s, r_m3, rk_m3 )
      if ((iregime .eq. 4) .or. &
          (iregime .eq. 5) .or. &
          (iregime .eq. 6)) &
          call gasrate_m4( indx, s, r_m4, rk_m4, oxygen )
      call gasode_m1( indx, r_m1, p_m1, d_m1, r_m2 )
      if ((iregime .eq. 2) .or. &
          (iregime .eq. 3) .or. &
          (iregime .eq. 5) .or. &
          (iregime .eq. 6)) &
          call gasode_m2( indx, r_m2, p_m2, d_m2 )
      if ((iregime .eq. 3) .or. &
          (iregime .eq. 6)) &
          call gasode_m3( indx, r_m3, p_m3, d_m3 )
      if ((iregime .eq. 4) .or. &
          (iregime .eq. 5) .or. &
          (iregime .eq. 6)) &
          call gasode_m4( indx, r_m4, p_m4, d_m4 )
      if (iregime .eq. 1) then
      do ig = 1, ngas_r1
      sdot(ig) = real( dble(p_m1(ig)) - &
                       dble(d_m1(ig)) )
      end do
      else if (iregime .eq. 2) then
      do ig = 1, ngas_r2
      sdot(ig) = real( dble(p_m1(ig)+p_m2(ig)) - &
                       dble(d_m1(ig)+d_m2(ig)) )
      end do
      else if (iregime .eq. 3) then
      do ig = 1, ngas_r3
      sdot(ig) = real( dble(p_m1(ig)+p_m2(ig)+p_m3(ig)) - &
                       dble(d_m1(ig)+d_m2(ig)+d_m3(ig)) )
      end do
      else if (iregime .eq. 4) then
      do ig = 1, ngas_r4
      sdot(ig) = real( dble(p_m1(ig)+p_m4(ig)) - &
                       dble(d_m1(ig)+d_m4(ig)) )
      end do
      else if (iregime .eq. 5) then
      do ig = 1, ngas_r5
      sdot(ig) = real( dble(p_m1(ig)+p_m2(ig)+p_m4(ig)) - &
                       dble(d_m1(ig)+d_m2(ig)+d_m4(ig)) )
      end do
      else if (iregime .eq. 6) then
      do ig = 1, ngas_r6
      sdot(ig) = real( dble(p_m1(ig)+p_m2(ig)+p_m3(ig)+p_m4(ig)) - &
                       dble(d_m1(ig)+d_m2(ig)+d_m3(ig)+d_m4(ig)) )
      end do
      end if
      return
      end subroutine gasode_cbmz
      subroutine jcs( ngas, tt, s, j, ian, jan, pdj, &
          ruserpar, nruserpar, iuserpar, niuserpar )
      implicit none
      integer ngas, j, ian(*), jan(*), nruserpar, niuserpar
      integer iuserpar(niuserpar)
      real tt, s(*), pdj(*)
      real ruserpar(nruserpar)
      call check_userpar( ruserpar, nruserpar, iuserpar, niuserpar )
      return
      end subroutine jcs
      subroutine gasode_m1( indx, r_m1, p_m1, d_m1, r_m2 )
      use module_data_cbmz
      implicit none
      integer indx(ngas_z)
      real r_m1(nrxn_m1), p_m1(ngas_tot), d_m1(ngas_tot)
      real r_m2(nrxn_m2)
      p_m1(indx(ino_z))= r_m1(1)+0.11*r_m1(2) &
             +r_m1(3)+r_m1(15)+r_m1(38)
      d_m1(indx(ino_z))= r_m1(17)+r_m1(18)+r_m1(23) &
             +r_m1(33)+r_m1(37)+r_m1(57) &
             +r_m1(58) &
             +r_m2(34)
      p_m1(indx(ino2_z))= 0.89*r_m1(2)+r_m1(4) &
              +r_m1(5)+r_m1(6)+r_m1(17) &
              +r_m1(18)+r_m1(25) &
              +r_m1(26)+r_m1(28) &
              +r_m1(33)+r_m1(36) &
              +r_m1(37)+r_m1(37) &
              +r_m1(38)+r_m1(40) &
              +r_m1(40)+.7*r_m1(41) &
              +r_m1(43)+r_m1(57) &
              +r_m1(58)+r_m1(59) &
              +r_m1(60) &
              +r_m2(32)+r_m2(34)+r_m2(39)
      d_m1(indx(ino2_z))= r_m1(1)+r_m1(15)+r_m1(16) &
              +r_m1(19)+r_m1(24) &
              +r_m1(34)+r_m1(35) &
              +r_m1(38)+r_m1(39) &
              +r_m2(31)
      p_m1(indx(ino3_z))= r_m1(6)+r_m1(16)+r_m1(19) &
              +r_m1(27)+r_m1(43)
      d_m1(indx(ino3_z))= r_m1(2)+r_m1(25)+r_m1(37) &
              +r_m1(38)+r_m1(39) &
              +r_m1(40)+r_m1(40) &
              +r_m1(41)+r_m1(52) &
              +r_m1(59)+r_m1(60) &
              +r_m2(4)+r_m2(39)
      p_m1(indx(in2o5_z))= r_m1(39)
      d_m1(indx(in2o5_z))= r_m1(6)+r_m1(42) &
               +r_m1(43)
      p_m1(indx(ihono_z))= r_m1(23)+r_m1(35)
      d_m1(indx(ihono_z))= r_m1(3)+r_m1(26)
      p_m1(indx(ihno3_z))= r_m1(24)+.3*r_m1(41) &
               +r_m1(42)+r_m1(42) &
               +r_m1(52) &
               +r_m2(4)
      d_m1(indx(ihno3_z))= r_m1(4)+r_m1(27)
      p_m1(indx(ihno4_z))= r_m1(34)
      d_m1(indx(ihno4_z))= r_m1(5)+r_m1(28) &
               +r_m1(36)
      p_m1(indx(io3_z))= r_m1(13) &
               +.4*r_m2(44)
      d_m1(indx(io3_z))= r_m1(7)+r_m1(8)+r_m1(14) &
             +r_m1(18)+r_m1(19)+r_m1(20) &
             +r_m1(21)
      p_m1(indx(io1d_z))= r_m1(8)
      d_m1(indx(io1d_z))= r_m1(10)+r_m1(11) &
              +r_m1(12)
      p_m1(indx(io3p_z))= r_m1(1)+0.89*r_m1(2) &
              +r_m1(7)+r_m1(10)+r_m1(11)
      d_m1(indx(io3p_z))= r_m1(13)+r_m1(14) &
              +r_m1(15)+r_m1(16) &
              +r_m1(17)
      p_m1(indx(ioh_z))= r_m1(3)+r_m1(4)+2*r_m1(9) &
             +2*r_m1(12)+r_m1(21) &
             +r_m1(33)+.7*r_m1(41) &
             +r_m1(53)+r_m1(54)+.3*r_m1(55) &
             +.5*r_m1(56)
      d_m1(indx(ioh_z))= r_m1(20)+r_m1(22)+r_m1(23) &
             +r_m1(24)+r_m1(25)+r_m1(26) &
             +r_m1(27)+r_m1(28)+r_m1(29) &
             +r_m1(30)+r_m1(44)+r_m1(45) &
             +r_m1(46)+r_m1(47)+r_m1(48) &
             +r_m1(51)+r_m1(55)+r_m1(56) &
             +r_m1(65) &
             +r_m2(3)
      p_m1(indx(iho2_z))= r_m1(5)+r_m1(20)+r_m1(22) &
              +r_m1(25)+r_m1(30) &
              +r_m1(36)+r_m1(44) &
              +r_m1(45)+r_m1(48) &
              +2*r_m1(49)+r_m1(51) &
              +r_m1(52)+r_m1(53) &
              +r_m1(54)+r_m1(57) &
              +r_m1(58)+r_m1(59) &
              +r_m1(60)+.32*r_m1(63) &
              +.6*r_m1(64)+r_m1(65) &
              +r_m2(2)
      d_m1(indx(iho2_z))= r_m1(21)+r_m1(29) &
              +r_m1(31)+r_m1(31) &
              +r_m1(32)+r_m1(32) &
              +r_m1(33)+r_m1(34) &
              +r_m1(35)+r_m1(41) &
              +r_m1(61)+r_m1(62) &
              +r_m2(44)
      p_m1(indx(ih2o2_z))= r_m1(31)+r_m1(32)
      d_m1(indx(ih2o2_z))= r_m1(9)+r_m1(30)
      p_m1(indx(ico_z))= r_m1(49)+r_m1(50)+r_m1(51) &
             +r_m1(52) &
             +r_m2(2)
      d_m1(indx(ico_z))= r_m1(44)
      p_m1(indx(iso2_z))= 0.0
      d_m1(indx(iso2_z))= r_m1(45)
      p_m1(indx(ih2so4_z))= r_m1(45)
      d_m1(indx(ih2so4_z))= 0.0
      p_m1(indx(inh3_z))= 0.0
      d_m1(indx(inh3_z))= 0.0
      p_m1(indx(ihcl_z))= 0.0
      d_m1(indx(ihcl_z))= 0.0
      p_m1(indx(ic2h6_z))= .2*r_m1(64)
      d_m1(indx(ic2h6_z))= r_m1(47)
      p_m1(indx(ich3o2_z))= r_m1(46)+.7*r_m1(55) &
                +r_m2(2)+r_m2(34)+r_m2(39)+r_m2(49)
      d_m1(indx(ich3o2_z))= r_m1(57)+r_m1(59) &
                +r_m1(61)+r_m1(63)
      p_m1(indx(iethp_z))= r_m1(47)+.5*r_m1(56)
      d_m1(indx(iethp_z))= r_m1(58)+r_m1(60) &
               +r_m1(62)+r_m1(64)
      p_m1(indx(ihcho_z))= r_m1(48)+r_m1(53) &
               +.3*r_m1(55)+r_m1(57) &
               +r_m1(59)+.66*r_m1(63)
      d_m1(indx(ihcho_z))= r_m1(49)+r_m1(50) &
               +r_m1(51)+r_m1(52)
      p_m1(indx(ich3oh_z))= .34*r_m1(63)
      d_m1(indx(ich3oh_z))= r_m1(48)
      p_m1(indx(ic2h5oh_z))= 0.0
      d_m1(indx(ic2h5oh_z))= r_m1(65)
      p_m1(indx(ich3ooh_z))= r_m1(61)
      d_m1(indx(ich3ooh_z))= r_m1(53)+r_m1(55)
      p_m1(indx(iethooh_z))= r_m1(62)
      d_m1(indx(iethooh_z))= r_m1(54)+r_m1(56)
      p_m1(indx(iald2_z))= r_m1(54)+.5*r_m1(56) &
               +r_m1(58)+r_m1(60) &
               +.8*r_m1(64)+r_m1(65)
      d_m1(indx(iald2_z))= r_m2(2)+r_m2(3)+r_m2(4)
      p_m1(indx(ihcooh_z))= 0.0
      d_m1(indx(ihcooh_z))= 0.0
      p_m1(indx(ircooh_z))= .4*r_m2(44)
      d_m1(indx(ircooh_z))= 0.0
      p_m1(indx(ic2o3_z))= r_m2(3)+r_m2(4)+r_m2(32)
      d_m1(indx(ic2o3_z))= r_m2(31)+r_m2(34)+r_m2(39)+r_m2(44)+r_m2(49)
      p_m1(indx(ipan_z))= r_m2(31)
      d_m1(indx(ipan_z))= r_m2(32)
      return
      end subroutine gasode_m1
      subroutine gasode_m2( indx, r_m2, p_m2, d_m2 )
      use module_data_cbmz
      implicit none
      integer indx(ngas_z)
      real r_m2(nrxn_m2), p_m2(ngas_tot), d_m2(ngas_tot)
      p_m2(indx(ino_z))= 0.0
      d_m2(indx(ino_z))= r_m2(20)+r_m2(33) +r_m2(35) &
              +r_m2(36)+r_m2(37)
      p_m2(indx(ino2_z))= .95*r_m2(20)+r_m2(30) +.84*r_m2(33) &
                       +r_m2(35)+1.5*r_m2(36)+r_m2(37) &
              +r_m2(38) +r_m2(40)+1.5*r_m2(41)+r_m2(42) &
              +.5*r_m2(51)
      d_m2(indx(ino2_z))= r_m2(23)
      p_m2(indx(ino3_z))= 0.0
      d_m2(indx(ino3_z))= +r_m2(9)+r_m2(16)+r_m2(17)+r_m2(22) &
              +r_m2(38) +r_m2(40)+r_m2(41)+r_m2(42)
      p_m2(indx(ihno3_z))= +r_m2(9)+r_m2(22)
      d_m2(indx(ihno3_z))= 0.0
      p_m2(indx(io3_z))= 0.0
      d_m2(indx(io3_z))= r_m2(10)+r_m2(12)+r_m2(13)+r_m2(26)
      p_m2(indx(ioh_z))= .12*r_m2(10)+.33*r_m2(12)+.60*r_m2(13) &
             +.08*r_m2(26)+r_m2(27)+.23*r_m2(28)
      d_m2(indx(ioh_z))= r_m2(1) +r_m2(6)+r_m2(8)+r_m2(11) &
             +r_m2(14)+r_m2(15)+r_m2(18)+r_m2(19)+r_m2(21) &
             +r_m2(24)+r_m2(28)+r_m2(29)
      p_m2(indx(iho2_z))= +r_m2(7)+.22*r_m2(10)+r_m2(11) &
             +.26*r_m2(12)+.22*r_m2(13)+r_m2(14)+r_m2(15) &
             +.2*r_m2(18)+.55*r_m2(19)+.95*r_m2(20) &
             +.6*r_m2(21)+2*r_m2(24)+r_m2(25)+.76*r_m2(26) &
             +.9*r_m2(27)+.9*r_m2(30)+.76*r_m2(33)+.5*r_m2(36) &
             +.9*r_m2(38)+.5*r_m2(41)+.54*r_m2(48)
      d_m2(indx(iho2_z))= r_m2(43) +r_m2(45)+r_m2(46)+r_m2(47)
      p_m2(indx(ico_z))= +r_m2(7)+r_m2(9)+.24*r_m2(10) &
             +.31*r_m2(12)+.30*r_m2(13)+2*r_m2(24)+r_m2(25) &
             +.69*r_m2(26)
      d_m2(indx(ico_z))= 0.0
      p_m2(indx(ipar_z))= 1.1*r_m2(19)
      d_m2(indx(ipar_z))= r_m2(1) + r_m2(53)
      p_m2(indx(ich3oh_z))= .03*r_m2(12)+.04*r_m2(13)
      d_m2(indx(ich3oh_z))= 0.0
      p_m2(indx(ihcho_z))= r_m2(10)+1.56*r_m2(11)+.57*r_m2(12)+r_m2(14) &
               +r_m2(24)+.7*r_m2(26)+r_m2(35)+.5*r_m2(36) &
               +r_m2(40)+.5*r_m2(41)+.7*r_m2(50)+.5*r_m2(51)
      d_m2(indx(ihcho_z))= 0.0
      p_m2(indx(iald2_z))= .22*r_m2(11)+.47*r_m2(12)+1.03*r_m2(13) &
               +r_m2(14)+1.77*r_m2(15)+.03*r_m2(26)+.3*r_m2(27) &
               +.04*r_m2(28)+.3*r_m2(30)+.25*r_m2(33)+.5*r_m2(36) &
               +.3*r_m2(38)+.5*r_m2(41)+.21*r_m2(48)+.5*r_m2(51)
      d_m2(indx(iald2_z))= 0.0
      p_m2(indx(ihcooh_z))= .52*r_m2(10)+.22*r_m2(12)
      d_m2(indx(ihcooh_z))= 0.0
      p_m2(indx(iaone_z))= .07*r_m2(13)+.23*r_m2(15)+.74*r_m2(27) &
               +.74*r_m2(30)+.62*r_m2(33)+.74*r_m2(38) &
               +.57*r_m2(48)+.15*r_m2(50)
      d_m2(indx(iaone_z))= r_m2(5)+r_m2(6)
      p_m2(indx(imgly_z))= .04*r_m2(12)+.07*r_m2(13)+.8*r_m2(19) &
               +.2*r_m2(26)+.19*r_m2(28)+.15*r_m2(50)
      d_m2(indx(imgly_z))= r_m2(7)+r_m2(8)+r_m2(9)
      p_m2(indx(ieth_z))= 0.0
      d_m2(indx(ieth_z))= r_m2(10)+r_m2(11)
      p_m2(indx(iolet_z))= 0.0
      d_m2(indx(iolet_z))= r_m2(12)+r_m2(14)+r_m2(16)
      p_m2(indx(iolei_z))= 0.0
      d_m2(indx(iolei_z))= r_m2(13)+r_m2(15)+r_m2(17)
      p_m2(indx(itol_z))= 0.0
      d_m2(indx(itol_z))= r_m2(18)
      p_m2(indx(ixyl_z))= 0.0
      d_m2(indx(ixyl_z))= r_m2(19)
      p_m2(indx(icres_z))= .12*r_m2(18)+.05*r_m2(19)
      d_m2(indx(icres_z))= r_m2(21)+r_m2(22)
      p_m2(indx(ito2_z))= .8*r_m2(18)+.45*r_m2(19)
      d_m2(indx(ito2_z))= r_m2(20)
      p_m2(indx(icro_z))= .4*r_m2(21)+r_m2(22)
      d_m2(indx(icro_z))= r_m2(23)
      p_m2(indx(iopen_z))= .95*r_m2(20)+.3*r_m2(21)
      d_m2(indx(iopen_z))= r_m2(24)+r_m2(25)+r_m2(26)
      p_m2(indx(ionit_z))= .05*r_m2(20)+r_m2(23)+.16*r_m2(33) &
               +.5*r_m2(36)+.5*r_m2(41)+r_m2(46)+.5*r_m2(51)
      d_m2(indx(ionit_z))= r_m2(29)+r_m2(30)
      p_m2(indx(ipan_z))= 0.0
      d_m2(indx(ipan_z))= 0.0
      p_m2(indx(ircooh_z))= .09*r_m2(12)+.16*r_m2(13)
      d_m2(indx(ircooh_z))= 0.0
      p_m2(indx(irooh_z))= r_m2(43)+r_m2(45)
      d_m2(indx(irooh_z))= r_m2(27)+r_m2(28)
      p_m2(indx(ich3o2_z))= +r_m2(5)+.07*r_m2(12)+.10*r_m2(13)
      d_m2(indx(ich3o2_z))= 0.0
      p_m2(indx(iethp_z))= .06*r_m2(12)+.05*r_m2(13)+.1*r_m2(27) &
               +.1*r_m2(30)+.08*r_m2(33)+.1*r_m2(38)+.06*r_m2(48)
      d_m2(indx(iethp_z))= 0.0
      p_m2(indx(ic2o3_z))= +r_m2(5)+r_m2(7)+r_m2(8) &
               +r_m2(9)+.13*r_m2(12)+.19*r_m2(13)+r_m2(24) &
               +r_m2(25)+.62*r_m2(26) +r_m2(35) &
               +r_m2(40)+.7*r_m2(50)
      d_m2(indx(ic2o3_z))= 0.0
      p_m2(indx(iro2_z))= r_m2(1)+.03*r_m2(12)+.09*r_m2(13)+.77*r_m2(28)
      d_m2(indx(iro2_z))= r_m2(33)+r_m2(38)+r_m2(43)+r_m2(48)
      p_m2(indx(iano2_z))= r_m2(6)+.11*r_m2(13)
      d_m2(indx(iano2_z))= r_m2(35)+r_m2(40)+r_m2(45)+r_m2(50)
      p_m2(indx(inap_z))= r_m2(16)+r_m2(17)+r_m2(29)
      d_m2(indx(inap_z))= r_m2(36)+r_m2(41)+r_m2(46)+r_m2(51)
      p_m2(indx(ixo2_z))= r_m2(8)+r_m2(11)+r_m2(14)+r_m2(15) &
              +.08*r_m2(18)+.5*r_m2(19)+.6*r_m2(21) &
              +r_m2(24)+.03*r_m2(26)+.4*r_m2(27)+.4*r_m2(30) &
              +.34*r_m2(33)+.4*r_m2(38)+.24*r_m2(48)
      d_m2(indx(ixo2_z))= r_m2(37)+r_m2(42)+r_m2(47)+r_m2(52)
      p_m2(indx(ixpar_z))= 1.06*r_m2(12)+2.26*r_m2(13)+r_m2(14) &
              +2.23*r_m2(15)+1.98*r_m2(27)+.42*r_m2(28) &
              +1.98*r_m2(30)+1.68*r_m2(33)+r_m2(36) &
              +1.98*r_m2(38)+r_m2(41)+1.25*r_m2(48)+r_m2(51)
      d_m2(indx(ixpar_z))= r_m2(53)
      return
      end subroutine gasode_m2
      subroutine gasode_m3( indx, r_m3, p_m3, d_m3 )
      use module_data_cbmz
      implicit none
      integer indx(ngas_z)
      real r_m3(nrxn_m3), p_m3(ngas_tot), d_m3(ngas_tot)
      p_m3(indx(ino_z))= 0.0
      d_m3(indx(ino_z))= r_m3(8)+r_m3(9)+r_m3(10)
      p_m3(indx(ino2_z))= .91*r_m3(8)+1.2*r_m3(9)+r_m3(10)
      d_m3(indx(ino2_z))= 0.0
      p_m3(indx(ino3_z))= 0.0
      d_m3(indx(ino3_z))= r_m3(3)+r_m3(7)
      p_m3(indx(ihno3_z))= .07*r_m3(7)
      d_m3(indx(ihno3_z))= 0.0
      p_m3(indx(io3_z))= 0.0
      d_m3(indx(io3_z))= r_m3(2)+r_m3(6)
      p_m3(indx(ioh_z))= .27*r_m3(2)+.27*r_m3(6)
      d_m3(indx(ioh_z))= r_m3(1)+r_m3(5)
      p_m3(indx(iho2_z))= .07*r_m3(2)+.33*r_m3(4)+.1*r_m3(6)+.93*r_m3(7) &
              +.91*r_m3(8)+.8*r_m3(9)+r_m3(10)
      d_m3(indx(iho2_z))= r_m3(11)+r_m3(12)+r_m3(13)
      p_m3(indx(ico_z))= .07*r_m3(2)+.33*r_m3(4)+.16*r_m3(6)+.64*r_m3(7) &
             +.59*r_m3(10)
      d_m3(indx(ico_z))= 0.0
      p_m3(indx(ipar_z))= 1.86*r_m3(7)+0.18*r_m3(8)+1.6*r_m3(9)+2*r_m3(12) &
              +2*r_m3(15)
      d_m3(indx(ipar_z))= 0.0
      p_m3(indx(ihcho_z))= .6*r_m3(2)+.2*r_m3(4)+.15*r_m3(6)+.28*r_m3(7) &
               +.63*r_m3(8)+.25*r_m3(10)
      d_m3(indx(ihcho_z))= 0.0
      p_m3(indx(iald2_z))= .15*r_m3(2)+.07*r_m3(4)+.02*r_m3(6)+.28*r_m3(7) &
               +.8*r_m3(9)+.55*r_m3(10)+r_m3(15)+.5*r_m3(16)
      d_m3(indx(iald2_z))= 0.0
      p_m3(indx(iaone_z))= .03*r_m3(4)+.09*r_m3(6)+.63*r_m3(10)+.5*r_m3(16)
      d_m3(indx(iaone_z))= 0.0
      p_m3(indx(imgly_z))= .85*r_m3(6)+.34*r_m3(10)
      d_m3(indx(imgly_z))= 0.0
      p_m3(indx(ionit_z))= .93*r_m3(7)+.09*r_m3(8)+.8*r_m3(9)+r_m3(12) &
               +r_m3(15)
      d_m3(indx(ionit_z))= 0.0
      p_m3(indx(ihcooh_z))= .39*r_m3(2)+.46*r_m3(6)
      d_m3(indx(ihcooh_z))= 0.0
      p_m3(indx(irooh_z))= r_m3(11)+r_m3(13)
      d_m3(indx(irooh_z))= 0.0
      p_m3(indx(ich3o2_z))= .7*r_m3(4)+.05*r_m3(6)
      d_m3(indx(ich3o2_z))= 0.0
      p_m3(indx(ic2o3_z))= .2*r_m3(2)+.97*r_m3(4)+.5*r_m3(5)+.11*r_m3(6) &
               +.07*r_m3(7)
      d_m3(indx(ic2o3_z))= 0.0
      p_m3(indx(ixo2_z))= .08*r_m3(1)+.2*r_m3(2)+.2*r_m3(5)+.07*r_m3(6) &
              +.93*r_m3(7)
      d_m3(indx(ixo2_z))= 0.0
      p_m3(indx(iisop_z))= 0.0
      d_m3(indx(iisop_z))= r_m3(1)+r_m3(2)+r_m3(3)
      p_m3(indx(iisoprd_z))= .65*r_m3(2)+.91*r_m3(8)+.2*r_m3(9)+r_m3(14)
      d_m3(indx(iisoprd_z))= r_m3(4)+r_m3(5)+r_m3(6)+r_m3(7)
      p_m3(indx(iisopp_z))= r_m3(1)
      d_m3(indx(iisopp_z))= r_m3(8)+r_m3(11)+r_m3(14)
      p_m3(indx(iisopn_z))= r_m3(3)
      d_m3(indx(iisopn_z))= r_m3(9)+r_m3(12)+r_m3(15)
      p_m3(indx(iisopo2_z))= .5*r_m3(5)
      d_m3(indx(iisopo2_z))= r_m3(10)+r_m3(13)+r_m3(16)
      return
      end subroutine gasode_m3
      subroutine gasode_m4( indx, r_m4, p_m4, d_m4 )
      use module_data_cbmz
      implicit none
      integer indx(ngas_z)
      real r_m4(nrxn_m4), p_m4(ngas_tot), d_m4(ngas_tot)
      p_m4(indx(ino_z))= r_m4(19)
      d_m4(indx(ino_z))= r_m4(5)+r_m4(11)+r_m4(26)+r_m4(30)
      p_m4(indx(ino2_z))= r_m4(5)+r_m4(11)+r_m4(26)
      d_m4(indx(ino2_z))= r_m4(19)+r_m4(29)
      p_m4(indx(ino3_z))= 0.0
      d_m4(indx(ino3_z))= r_m4(2)+r_m4(14)
      p_m4(indx(ihono_z))= r_m4(30)
      d_m4(indx(ihono_z))= 0.0
      p_m4(indx(ihno3_z))= r_m4(2)+r_m4(14)+r_m4(29)
      d_m4(indx(ihno3_z))= 0.0
      p_m4(indx(io3_z))= 0.0
      d_m4(indx(io3_z))= r_m4(20)
      p_m4(indx(io3p_z))= 0.0
      d_m4(indx(io3p_z))= r_m4(3)
      p_m4(indx(ioh_z))= r_m4(21)
      d_m4(indx(ioh_z))= r_m4(1)+r_m4(4)+r_m4(9)+r_m4(10)+r_m4(16)+r_m4(23)
      p_m4(indx(iho2_z))= .965*r_m4(4)+r_m4(6)+.27*r_m4(9)+r_m4(12)+r_m4(22) &
              +r_m4(27)+r_m4(32)
      d_m4(indx(iho2_z))= r_m4(13)+r_m4(21)+r_m4(31)
      p_m4(indx(ih2o2_z))= r_m4(13)
      d_m4(indx(ih2o2_z))= 0.0
      p_m4(indx(ico_z))= r_m4(32)
      d_m4(indx(ico_z))= 0.0
      p_m4(indx(iso2_z))= r_m4(18)
      d_m4(indx(iso2_z))= 0.0
      p_m4(indx(ih2so4_z))= r_m4(28)
      d_m4(indx(ih2so4_z))= 0.0
      p_m4(indx(ihcho_z))= r_m4(5)+2*r_m4(6)+r_m4(7)+r_m4(11)+2*r_m4(12) &
               +r_m4(22)+r_m4(27)
      d_m4(indx(ihcho_z))= r_m4(32)
      p_m4(indx(ich3o2_z))= r_m4(3)+.035*r_m4(4)+.73*r_m4(9)+r_m4(18)+r_m4(28)
      d_m4(indx(ich3o2_z))= r_m4(6)+r_m4(12)+r_m4(15)+r_m4(22)+r_m4(27)
      p_m4(indx(ich3ooh_z))= r_m4(15)
      d_m4(indx(ich3ooh_z))= 0.0
      p_m4(indx(idms_z))= 0.0
      d_m4(indx(idms_z))= r_m4(1)+r_m4(2)+r_m4(3)+r_m4(4)
      p_m4(indx(imsa_z))= r_m4(17)+r_m4(23)+r_m4(29)+r_m4(30)+r_m4(31)+r_m4(32)
      d_m4(indx(imsa_z))= 0.0
      p_m4(indx(idmso_z))= .965*r_m4(4)
      d_m4(indx(idmso_z))= r_m4(9)
      p_m4(indx(idmso2_z))= .27*r_m4(9)
      d_m4(indx(idmso2_z))= r_m4(10)
      p_m4(indx(ich3so2h_z))= .73*r_m4(9)
      d_m4(indx(ich3so2h_z))= r_m4(13)+r_m4(14)+r_m4(15)+r_m4(16)+r_m4(17)
      p_m4(indx(ich3sch2oo_z))= r_m4(1)+r_m4(2)
      d_m4(indx(ich3sch2oo_z))= r_m4(5)+r_m4(6)+r_m4(7)+r_m4(8)+r_m4(8)
      p_m4(indx(ich3so2_z))= r_m4(3)+.035*r_m4(4)+r_m4(5)+r_m4(6)+r_m4(7) &
                 +1.85*r_m4(8) &
                 +r_m4(11)+r_m4(12)+r_m4(13)+r_m4(14)+r_m4(15) &
                 +r_m4(16)+r_m4(17)+r_m4(25)
      d_m4(indx(ich3so2_z))= r_m4(7)+r_m4(18)+r_m4(19)+r_m4(20)+r_m4(21) &
                 +r_m4(22)+r_m4(23)+r_m4(24)
      p_m4(indx(ich3so3_z))= r_m4(7)+r_m4(19)+r_m4(20)+r_m4(21)+r_m4(22) &
                 +r_m4(26)+r_m4(27)
      d_m4(indx(ich3so3_z))= r_m4(17)+r_m4(28)+r_m4(29)+r_m4(30)+r_m4(31) &
                 +r_m4(32)
      p_m4(indx(ich3so2oo_z))= r_m4(24)
      d_m4(indx(ich3so2oo_z))= r_m4(25)+r_m4(26)+r_m4(27)
      p_m4(indx(ich3so2ch2oo_z))= r_m4(10)
      d_m4(indx(ich3so2ch2oo_z))= r_m4(11)+r_m4(12)
      p_m4(indx(imtf_z))= .15*r_m4(8)
      d_m4(indx(imtf_z))= 0.0
      return
      end subroutine gasode_m4
      subroutine gasrate_m1( indx, s, r_m1, r_m2, rk_m1, rk_m2, &
                             h2o, ch4, oxygen, nitrogen, hydrogen )
      use module_data_cbmz
      implicit none
      integer indx(ngas_z)
      real s(ngas_tot), r_m1(nrxn_m1), r_m2(nrxn_m2)
      real rk_m1(nrxn_m1), rk_m2(nrxn_m2)
      real h2o, ch4, oxygen, nitrogen, hydrogen
      r_m1(1) = rk_m1(1)*s(indx(ino2_z))
      r_m1(2) = rk_m1(2)*s(indx(ino3_z))
      r_m1(3) = rk_m1(3)*s(indx(ihono_z))
      r_m1(4) = rk_m1(4)*s(indx(ihno3_z))
      r_m1(5) = rk_m1(5)*s(indx(ihno4_z))
      r_m1(6) = rk_m1(6)*s(indx(in2o5_z))
      r_m1(7) = rk_m1(7)*s(indx(io3_z))
      r_m1(8) = rk_m1(8)*s(indx(io3_z))
      r_m1(9) = rk_m1(9)*s(indx(ih2o2_z))
      r_m1(10) = rk_m1(10)*s(indx(io1d_z))*oxygen
      r_m1(11) = rk_m1(11)*s(indx(io1d_z))*nitrogen
      r_m1(12) = rk_m1(12)*s(indx(io1d_z))*h2o
      r_m1(13) = rk_m1(13)*s(indx(io3p_z))*oxygen
      r_m1(14) = rk_m1(14)*s(indx(io3p_z))*s(indx(io3_z))
      r_m1(15) = rk_m1(15)*s(indx(io3p_z))*s(indx(ino2_z))
      r_m1(16) = rk_m1(16)*s(indx(io3p_z))*s(indx(ino2_z))
      r_m1(17) = rk_m1(17)*s(indx(io3p_z))*s(indx(ino_z))
      r_m1(18) = rk_m1(18)*s(indx(io3_z))*s(indx(ino_z))
      r_m1(19) = rk_m1(19)*s(indx(io3_z))*s(indx(ino2_z))
      r_m1(20) = rk_m1(20)*s(indx(io3_z))*s(indx(ioh_z))
      r_m1(21) = rk_m1(21)*s(indx(io3_z))*s(indx(iho2_z))
      r_m1(22) = rk_m1(22)*s(indx(ioh_z))*hydrogen
      r_m1(23) = rk_m1(23)*s(indx(ioh_z))*s(indx(ino_z))
      r_m1(24) = rk_m1(24)*s(indx(ioh_z))*s(indx(ino2_z))
      r_m1(25) = rk_m1(25)*s(indx(ioh_z))*s(indx(ino3_z))
      r_m1(26) = rk_m1(26)*s(indx(ioh_z))*s(indx(ihono_z))
      r_m1(27) = rk_m1(27)*s(indx(ioh_z))*s(indx(ihno3_z))
      r_m1(28) = rk_m1(28)*s(indx(ioh_z))*s(indx(ihno4_z))
      r_m1(29) = rk_m1(29)*s(indx(ioh_z))*s(indx(iho2_z))
      r_m1(30) = rk_m1(30)*s(indx(ioh_z))*s(indx(ih2o2_z))
      r_m1(31) = rk_m1(31)*s(indx(iho2_z))*s(indx(iho2_z))
      r_m1(32) = rk_m1(32)*s(indx(iho2_z))*s(indx(iho2_z))*h2o
      r_m1(33) = rk_m1(33)*s(indx(iho2_z))*s(indx(ino_z))
      r_m1(34) = rk_m1(34)*s(indx(iho2_z))*s(indx(ino2_z))
      r_m1(35) = rk_m1(35)*s(indx(iho2_z))*s(indx(ino2_z))
      r_m1(36) = rk_m1(36)*s(indx(ihno4_z))
      r_m1(37) = rk_m1(37)*s(indx(ino3_z))*s(indx(ino_z))
      r_m1(38) = rk_m1(38)*s(indx(ino3_z))*s(indx(ino2_z))
      r_m1(39) = rk_m1(39)*s(indx(ino3_z))*s(indx(ino2_z))
      r_m1(40) = rk_m1(40)*s(indx(ino3_z))*s(indx(ino3_z))
      r_m1(41) = rk_m1(41)*s(indx(ino3_z))*s(indx(iho2_z))
      r_m1(42) = rk_m1(42)*s(indx(in2o5_z))*h2o
      r_m1(43) = rk_m1(43)*s(indx(in2o5_z))
      r_m1(44) = rk_m1(44)*s(indx(ico_z))*s(indx(ioh_z))
      r_m1(45) = rk_m1(45)*s(indx(iso2_z))*s(indx(ioh_z))
      r_m1(46) = rk_m1(46)*s(indx(ioh_z))*ch4
      r_m1(47) = rk_m1(47)*s(indx(ic2h6_z))*s(indx(ioh_z))
      r_m1(48) = rk_m1(48)*s(indx(ich3oh_z))*s(indx(ioh_z))
      r_m1(49) = rk_m1(49)*s(indx(ihcho_z))
      r_m1(50) = rk_m1(50)*s(indx(ihcho_z))
      r_m1(51) = rk_m1(51)*s(indx(ihcho_z))*s(indx(ioh_z))
      r_m1(52) = rk_m1(52)*s(indx(ihcho_z))*s(indx(ino3_z))
      r_m1(53) = rk_m1(53)*s(indx(ich3ooh_z))
      r_m1(54) = rk_m1(54)*s(indx(iethooh_z))
      r_m1(55) = rk_m1(55)*s(indx(ich3ooh_z))*s(indx(ioh_z))
      r_m1(56) = rk_m1(56)*s(indx(iethooh_z))*s(indx(ioh_z))
      r_m1(57) = rk_m1(57)*s(indx(ich3o2_z))*s(indx(ino_z))
      r_m1(58) = rk_m1(58)*s(indx(iethp_z))*s(indx(ino_z))
      r_m1(59) = rk_m1(59)*s(indx(ich3o2_z))*s(indx(ino3_z))
      r_m1(60) = rk_m1(60)*s(indx(iethp_z))*s(indx(ino3_z))
      r_m1(61) = rk_m1(61)*s(indx(ich3o2_z))*s(indx(iho2_z))
      r_m1(62) = rk_m1(62)*s(indx(iethp_z))*s(indx(iho2_z))
      r_m1(63) = rk_m1(63)*s(indx(ich3o2_z))
      r_m1(64) = rk_m1(64)*s(indx(iethp_z))
      r_m1(65) = rk_m1(65)*s(indx(ic2h5oh_z))*s(indx(ioh_z))
      r_m2(2) = rk_m2(2)*s(indx(iald2_z))
      r_m2(3) = rk_m2(3)*s(indx(iald2_z))*s(indx(ioh_z))
      r_m2(4) = rk_m2(4)*s(indx(iald2_z))*s(indx(ino3_z))
      r_m2(31) = rk_m2(31)*s(indx(ic2o3_z))*s(indx(ino2_z))
      r_m2(32) = rk_m2(32)*s(indx(ipan_z))
      r_m2(34) = rk_m2(34)*s(indx(ic2o3_z))*s(indx(ino_z))
      r_m2(39) = rk_m2(39)*s(indx(ic2o3_z))*s(indx(ino3_z))
      r_m2(44) = rk_m2(44)*s(indx(ic2o3_z))*s(indx(iho2_z))
      r_m2(49) = rk_m2(49)*s(indx(ic2o3_z))
      return
      end subroutine gasrate_m1
      subroutine gasrate_m2( indx, s, r_m2, rk_m2 )
      use module_data_cbmz
      implicit none
      integer indx(ngas_z)
      real s(ngas_tot), r_m2(nrxn_m2), rk_m2(nrxn_m2)
      r_m2(1) = rk_m2(1)*s(indx(ipar_z))*s(indx(ioh_z))
      r_m2(5) = rk_m2(5)*s(indx(iaone_z))
      r_m2(6) = rk_m2(6)*s(indx(iaone_z))*s(indx(ioh_z))
      r_m2(7) = rk_m2(7)*s(indx(imgly_z))
      r_m2(8) = rk_m2(8)*s(indx(imgly_z))*s(indx(ioh_z))
      r_m2(9) = rk_m2(9)*s(indx(imgly_z))*s(indx(ino3_z))
      r_m2(10) = rk_m2(10)*s(indx(ieth_z))*s(indx(io3_z))
      r_m2(11) = rk_m2(11)*s(indx(ieth_z))*s(indx(ioh_z))
      r_m2(12) = rk_m2(12)*s(indx(iolet_z))*s(indx(io3_z))
      r_m2(13) = rk_m2(13)*s(indx(iolei_z))*s(indx(io3_z))
      r_m2(14) = rk_m2(14)*s(indx(iolet_z))*s(indx(ioh_z))
      r_m2(15) = rk_m2(15)*s(indx(iolei_z))*s(indx(ioh_z))
      r_m2(16) = rk_m2(16)*s(indx(iolet_z))*s(indx(ino3_z))
      r_m2(17) = rk_m2(17)*s(indx(iolei_z))*s(indx(ino3_z))
      r_m2(18) = rk_m2(18)*s(indx(itol_z))*s(indx(ioh_z))
      r_m2(19) = rk_m2(19)*s(indx(ixyl_z))*s(indx(ioh_z))
      r_m2(20) = rk_m2(20)*s(indx(ito2_z))*s(indx(ino_z))
      r_m2(21) = rk_m2(21)*s(indx(icres_z))*s(indx(ioh_z))
      r_m2(22) = rk_m2(22)*s(indx(icres_z))*s(indx(ino3_z))
      r_m2(23) = rk_m2(23)*s(indx(icro_z))*s(indx(ino2_z))
      r_m2(24) = rk_m2(24)*s(indx(iopen_z))*s(indx(ioh_z))
      r_m2(25) = rk_m2(25)*s(indx(iopen_z))
      r_m2(26) = rk_m2(26)*s(indx(iopen_z))*s(indx(io3_z))
      r_m2(27) = rk_m2(27)*s(indx(irooh_z))
      r_m2(28) = rk_m2(28)*s(indx(irooh_z))*s(indx(ioh_z))
      r_m2(29) = rk_m2(29)*s(indx(ionit_z))*s(indx(ioh_z))
      r_m2(30) = rk_m2(30)*s(indx(ionit_z))
      r_m2(33) = rk_m2(33)*s(indx(iro2_z))*s(indx(ino_z))
      r_m2(35) = rk_m2(35)*s(indx(iano2_z))*s(indx(ino_z))
      r_m2(36) = rk_m2(36)*s(indx(inap_z))*s(indx(ino_z))
      r_m2(37) = rk_m2(37)*s(indx(ixo2_z))*s(indx(ino_z))
      r_m2(38) = rk_m2(38)*s(indx(iro2_z))*s(indx(ino3_z))
      r_m2(40) = rk_m2(40)*s(indx(iano2_z))*s(indx(ino3_z))
      r_m2(41) = rk_m2(41)*s(indx(inap_z))*s(indx(ino3_z))
      r_m2(42) = rk_m2(42)*s(indx(ixo2_z))*s(indx(ino3_z))
      r_m2(43) = rk_m2(43)*s(indx(iro2_z))*s(indx(iho2_z))
      r_m2(45) = rk_m2(45)*s(indx(iano2_z))*s(indx(iho2_z))
      r_m2(46) = rk_m2(46)*s(indx(inap_z))*s(indx(iho2_z))
      r_m2(47) = rk_m2(47)*s(indx(ixo2_z))*s(indx(iho2_z))
      r_m2(48) = rk_m2(48)*s(indx(iro2_z))
      r_m2(50) = rk_m2(50)*s(indx(iano2_z))
      r_m2(51) = rk_m2(51)*s(indx(inap_z))
      r_m2(52) = rk_m2(52)*s(indx(ixo2_z))
      r_m2(53) = rk_m2(53)*s(indx(ipar_z))*s(indx(ixpar_z))
      return
      end subroutine gasrate_m2
      subroutine gasrate_m3( indx, s, r_m3, rk_m3 )
      use module_data_cbmz
      implicit none
      integer indx(ngas_z)
      real s(ngas_tot), r_m3(nrxn_m3), rk_m3(nrxn_m3)
      r_m3(1) = rk_m3(1)*s(indx(iisop_z))*s(indx(ioh_z))
      r_m3(2) = rk_m3(2)*s(indx(iisop_z))*s(indx(io3_z))
      r_m3(3) = rk_m3(3)*s(indx(iisop_z))*s(indx(ino3_z))
      r_m3(4) = rk_m3(4)*s(indx(iisoprd_z))
      r_m3(5) = rk_m3(5)*s(indx(iisoprd_z))*s(indx(ioh_z))
      r_m3(6) = rk_m3(6)*s(indx(iisoprd_z))*s(indx(io3_z))
      r_m3(7) = rk_m3(7)*s(indx(iisoprd_z))*s(indx(ino3_z))
      r_m3(8) = rk_m3(8)*s(indx(iisopp_z))*s(indx(ino_z))
      r_m3(9) = rk_m3(9)*s(indx(iisopn_z))*s(indx(ino_z))
      r_m3(10) = rk_m3(10)*s(indx(iisopo2_z))*s(indx(ino_z))
      r_m3(11) = rk_m3(11)*s(indx(iisopp_z))*s(indx(iho2_z))
      r_m3(12) = rk_m3(12)*s(indx(iisopn_z))*s(indx(iho2_z))
      r_m3(13) = rk_m3(13)*s(indx(iisopo2_z))*s(indx(iho2_z))
      r_m3(14) = rk_m3(14)*s(indx(iisopp_z))
      r_m3(15) = rk_m3(15)*s(indx(iisopn_z))
      r_m3(16) = rk_m3(16)*s(indx(iisopo2_z))
      return
      end subroutine gasrate_m3
      subroutine gasrate_m4( indx, s, r_m4, rk_m4, oxygen )
      use module_data_cbmz
      implicit none
      integer indx(ngas_z)
      real s(ngas_tot), r_m4(nrxn_m4), rk_m4(nrxn_m4)
      real oxygen
      r_m4(1) = rk_m4(1)*s(indx(idms_z))*s(indx(ioh_z))
      r_m4(2) = rk_m4(2)*s(indx(idms_z))*s(indx(ino3_z))
      r_m4(3) = rk_m4(3)*s(indx(idms_z))*s(indx(io3p_z))
      r_m4(4) = rk_m4(4)*s(indx(idms_z))*s(indx(ioh_z))
      r_m4(5) = rk_m4(5)*s(indx(ich3sch2oo_z))*s(indx(ino_z))
      r_m4(6) = rk_m4(6)*s(indx(ich3sch2oo_z))*s(indx(ich3o2_z))
      r_m4(7) = rk_m4(7)*s(indx(ich3sch2oo_z))*s(indx(ich3so2_z))
      r_m4(8) = rk_m4(8)*s(indx(ich3sch2oo_z))*s(indx(ich3sch2oo_z))
      r_m4(9) = rk_m4(9)*s(indx(idmso_z))*s(indx(ioh_z))
      r_m4(10) = rk_m4(10)*s(indx(idmso2_z))*s(indx(ioh_z))
      r_m4(11) = rk_m4(11)*s(indx(ich3so2ch2oo_z))*s(indx(ino_z))
      r_m4(12) = rk_m4(12)*s(indx(ich3so2ch2oo_z))*s(indx(ich3o2_z))
      r_m4(13) = rk_m4(13)*s(indx(ich3so2h_z))*s(indx(iho2_z))
      r_m4(14) = rk_m4(14)*s(indx(ich3so2h_z))*s(indx(ino3_z))
      r_m4(15) = rk_m4(15)*s(indx(ich3so2h_z))*s(indx(ich3o2_z))
      r_m4(16) = rk_m4(16)*s(indx(ich3so2h_z))*s(indx(ioh_z))
      r_m4(17) = rk_m4(17)*s(indx(ich3so2h_z))*s(indx(ich3so3_z))
      r_m4(18) = rk_m4(18)*s(indx(ich3so2_z))
      r_m4(19) = rk_m4(19)*s(indx(ich3so2_z))*s(indx(ino2_z))
      r_m4(20) = rk_m4(20)*s(indx(ich3so2_z))*s(indx(io3_z))
      r_m4(21) = rk_m4(21)*s(indx(ich3so2_z))*s(indx(iho2_z))
      r_m4(22) = rk_m4(22)*s(indx(ich3so2_z))*s(indx(ich3o2_z))
      r_m4(23) = rk_m4(23)*s(indx(ich3so2_z))*s(indx(ioh_z))
      r_m4(24) = rk_m4(24)*s(indx(ich3so2_z))*oxygen
      r_m4(25) = rk_m4(25)*s(indx(ich3so2oo_z))
      r_m4(26) = rk_m4(26)*s(indx(ich3so2oo_z))*s(indx(ino_z))
      r_m4(27) = rk_m4(27)*s(indx(ich3so2oo_z))*s(indx(ich3o2_z))
      r_m4(28) = rk_m4(28)*s(indx(ich3so3_z))
      r_m4(29) = rk_m4(29)*s(indx(ich3so3_z))*s(indx(ino2_z))
      r_m4(30) = rk_m4(30)*s(indx(ich3so3_z))*s(indx(ino_z))
      r_m4(31) = rk_m4(31)*s(indx(ich3so3_z))*s(indx(iho2_z))
      r_m4(32) = rk_m4(32)*s(indx(ich3so3_z))*s(indx(ihcho_z))
      return
      end subroutine gasrate_m4
      subroutine loadperoxyparameters( Aperox, Bperox )
      use module_data_cbmz
      implicit none
      real Aperox(nperox,nperox), Bperox(nperox,nperox)
      integer i, j
      Aperox(jch3o2,jch3o2) = 2.5e-13
      Aperox(jethp,jethp) = 6.8e-14
      Aperox(jc2o3,jc2o3) = 2.9e-12
      Aperox(jano2,jano2) = 8.0e-12
      Aperox(jnap,jnap) = 1.0e-12
      Aperox(jro2,jro2) = 5.3e-16
      Aperox(jisopp,jisopp) = 3.1e-14
      Aperox(jisopn,jisopn) = 3.1e-14
      Aperox(jisopo2,jisopo2) = 3.1e-14
      Aperox(jxo2,jxo2) = 3.1e-14
      Bperox(jch3o2,jch3o2) = 190.
      Bperox(jethp,jethp) = 0.0
      Bperox(jc2o3,jc2o3) = 500.
      Bperox(jano2,jano2) = 0.0
      Bperox(jnap,jnap) = 0.0
      Bperox(jro2,jro2) = 1980.
      Bperox(jisopp,jisopp) = 1000.
      Bperox(jisopn,jisopn) = 1000.
      Bperox(jisopo2,jisopo2) = 1000.
      Bperox(jxo2,jxo2) = 1000.
      do i = 1, nperox
      do j = 1, nperox
      if(i.ne.j)then
      Aperox(i,j) = 2.0*sqrt(Aperox(i,i)*Aperox(j,j))
      Bperox(i,j) = 0.5*(Bperox(i,i) + Bperox(j,j))
      endif
      enddo
      enddo
      Aperox(jc2o3,jch3o2) = 1.3e-12
      Aperox(jch3o2,jc2o3) = 1.3e-12
      Bperox(jc2o3,jch3o2) = 640.
      Bperox(jch3o2,jc2o3) = 640.
      return
      end subroutine loadperoxyparameters
      subroutine peroxyrateconstants( tempbox, cbox, &
  Aperox, Bperox, rk_param )
      use module_data_cbmz
      implicit none
      real tempbox, cbox(ngas_z)
      real Aperox(nperox,nperox), Bperox(nperox,nperox), rk_param(nperox)
      integer i, j
      real te
      real sperox(nperox), rk_perox(nperox,nperox)
      te = tempbox
      sperox(jch3o2) = cbox(ich3o2_z)
      sperox(jethp) = cbox(iethp_z)
      sperox(jro2) = cbox(iro2_z)
      sperox(jc2o3) = cbox(ic2o3_z)
      sperox(jano2) = cbox(iano2_z)
      sperox(jnap) = cbox(inap_z)
      sperox(jisopp) = cbox(iisopp_z)
      sperox(jisopn) = cbox(iisopn_z)
      sperox(jisopo2) = cbox(iisopo2_z)
      sperox(jxo2) = cbox(ixo2_z)
      do i = 1, nperox
      rk_param(i) = 0.0
      enddo
      do i = 1, nperox
      do j = 1, nperox
      rk_perox(i,j) = arr( Aperox(i,j), Bperox(i,j), te )
      rk_param(i) = rk_param(i) + rk_perox(i,j)*sperox(j)
      enddo
      enddo
      return
      end subroutine peroxyrateconstants
      subroutine gasthermrk_m1( tempbox, cair_mlc, &
   rk_photo, rk_param, rk_m1, rk_m2 )
      use module_data_cbmz
      implicit none
      real tempbox, cair_mlc
      real rk_photo(nphoto), rk_param(nperox)
      real rk_m1(nrxn_m1), rk_m2(nrxn_m2)
      integer i
      real rk0, rk2, rk3, rki, rko, rmm, rnn, te
      te = tempbox
      rk_m1(1) = rk_photo(jphoto_no2)
      rk_m1(2) = rk_photo(jphoto_no3)
      rk_m1(3) = rk_photo(jphoto_hono)
      rk_m1(4) = rk_photo(jphoto_hno3)
      rk_m1(5) = rk_photo(jphoto_hno4)
      rk_m1(6) = rk_photo(jphoto_n2o5)
      rk_m1(7) = rk_photo(jphoto_o3a)
      rk_m1(8) = rk_photo(jphoto_o3b)
      rk_m1(9) = rk_photo(jphoto_h2o2)
      rk_m1(10) = arr(3.2e-11, 70., te)
      rk_m1(11) = arr(1.8e-11, 110., te)
      rk_m1(12) = 2.2e-10
      rk_m1(13) = cair_mlc*6.e-34*(te/300.)**(-2.3)
      rk_m1(14) = arr(8.0e-12, -2060., te)
      rk_m1(15) = arr(6.5e-12, -120., te)
      rk0 = 9.0e-32
      rnn = 2.0
      rki = 2.2e-11
      rmm = 0.0
      rk_m1(16) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
      rk0 = 9.0e-32
      rnn = 1.5
      rki = 3.0e-11
      rmm = 0.0
      rk_m1(17) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
      rk_m1(18) = arr(2.0e-12, -1400., te)
      rk_m1(19) = arr(1.2e-13, -2450., te)
      rk_m1(20) = arr(1.6e-12, -940., te)
      rk_m1(21) = arr(1.1e-14, -500., te)
      rk_m1(22) = arr(5.5e-12, -2000., te)
      rk0 = 7.0e-31
      rnn = 2.6
      rki = 3.6e-11
      rmm = 0.1
      rk_m1(23) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
      rk0 = 2.5e-30
      rnn = 4.4
      rki = 1.6e-11
      rmm = 1.7
      rk_m1(24) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
      rk_m1(25) = 2.2e-11
      rk_m1(26) = arr(1.8e-11, -390., te)
            rko = 7.2e-15 * exp(785./te)
            rk2 = 4.1e-16 * exp(1440./te)
            rk3 = 1.9e-33 * exp(725./te)*cair_mlc
      rk_m1(27) = rko + rk3/(1.+rk3/rk2)
      rk_m1(28) = arr(1.3e-12, 380., te)
      rk_m1(29) = arr(4.8e-11, 250., te)
      rk_m1(30) = arr(2.9e-12, -160., te)
      rk_m1(31) = 2.3e-13 * exp(600./te) + &
                  1.7e-33 * exp(1000./te)*cair_mlc
      rk_m1(32) = rk_m1(31)*1.4e-21*exp(2200./te)
      rk_m1(33) = arr(3.5e-12, 250., te)
      rk0 = 1.8e-31
      rnn = 3.2
      rki = 4.7e-12
      rmm = 1.4
      rk_m1(34) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
      rk_m1(35) = 5.0e-16
      rk_m1(36) = rk_m1(34)*arr(4.8e26, -10900., te)
      rk_m1(37) = arr(1.5e-11, 170., te)
      rk_m1(38) = arr(4.5e-14, -1260., te)
      rk0 = 2.2e-30
      rnn = 3.9
      rki = 1.5e-12
      rmm = 0.7
      rk_m1(39) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
      rk_m1(40) = arr(8.5e-13, -2450., te)
      rk_m1(41) = 3.5e-12
      rk_m1(42) = 2.0e-21
      rk_m1(43) = rk_m1(39)*arr(3.7e26, -11000., te)
      rk_m1(44) = 1.5e-13 * (1.+8.18e-23*te*cair_mlc)
      rk0 = 3.0e-31
      rnn = 3.3
      rki = 1.5e-12
      rmm = 0.0
      rk_m1(45) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
      rk_m1(46) = te**.667*arr(2.8e-14, -1575., te)
      rk_m1(47) = te**2*arr(1.5e-17, -492., te)
      rk_m1(48) = arr(6.7e-12, -600., te)
      rk_m1(49) = rk_photo(jphoto_hchoa)
      rk_m1(50) = rk_photo(jphoto_hchob)
      rk_m1(51) = 1.0e-11
      rk_m1(52) = arr(3.4e-13, -1900., te)
      rk_m1(53) = rk_photo(jphoto_ch3ooh)
      rk_m1(54) = rk_photo(jphoto_ethooh)
      rk_m1(55) = arr(3.8e-12, 200., te)
      rk_m1(56) = arr(3.8e-12, 200., te)
      rk_m1(57) = arr(3.0e-12, 280., te)
      rk_m1(58) = arr(2.6e-12, 365., te)
      rk_m1(59) = 1.1e-12
      rk_m1(60) = 2.5e-12
      rk_m1(61) = arr(3.8e-13, 800., te)
      rk_m1(62) = arr(7.5e-13, 700., te)
      rk_m1(63) = rk_param(jch3o2)
      rk_m1(64) = rk_param(jethp)
      rk_m1(65) = arr(7.0e-12, -235.,te)
      rk_m2(2) = rk_photo(jphoto_ald2)
      rk_m2(3) = arr(5.6e-12, 270., te)
      rk_m2(4) = arr(1.4e-12, -1900., te)
      rk0 = 9.7e-29
      rnn = 5.6
      rki = 9.3e-12
      rmm = 1.5
      rk_m2(31) = troe(cair_mlc,te,rk0,rnn,rki,rmm)
      rk_m2(32) = rk_m2(31)*arr(1.1e28, -14000., te)
      rk_m2(34) = arr(5.3e-12, 360., te)
      rk_m2(39) = 4.0e-12
      rk_m2(44) = arr(4.5e-13, 1000., te)
      rk_m2(49) = rk_param(jc2o3)
      return
      end subroutine gasthermrk_m1
      subroutine gasthermrk_m2( tempbox, cair_mlc, &
   rk_photo, rk_param, rk_m2 )
      use module_data_cbmz
      implicit none
      real tempbox, cair_mlc
      real rk_photo(nphoto), rk_param(nperox), rk_m2(nrxn_m2)
      integer i
      real rk0, rki, rmm, rnn, te
      te = tempbox
      rk_m2(1) = 8.1e-13
      rk_m2(5) = rk_photo(jphoto_aone)
      rk_m2(6) = te**2*arr(5.3e-18, -230., te)
      rk_m2(7) = rk_photo(jphoto_mgly)
      rk_m2(8) = 1.7e-11
      rk_m2(9) = arr(1.4e-12, -1900., te)
      rk_m2(10) = arr(1.2e-14, -2630., te)
      rk0 = 1.0e-28
      rnn = 0.8
      rki = 8.8e-12
      rmm = 0.0
      rk_m2(11) = troe(cair_mlc,te,rk0,rnn,rki,rmm)
      rk_m2(12) = arr(4.2e-15, -1800., te)
      rk_m2(13) = arr(8.9e-16, -392., te)
      rk_m2(14) = arr(5.8e-12, 478., te)
      rk_m2(15) = arr(2.9e-11, 255., te)
      rk_m2(16) = arr(3.1e-13, -1010., te)
      rk_m2(17) = 2.5e-12
      rk_m2(18) = arr(2.1e-12, 322., te)
      rk_m2(19) = arr(1.7e-11, 116., te)
      rk_m2(20) = 8.1e-12
      rk_m2(21) = 4.1e-11
      rk_m2(22) = 2.2e-11
      rk_m2(23) = 1.4e-11
      rk_m2(24) = 3.0e-11
      rk_m2(25) = rk_photo(jphoto_open)
      rk_m2(26) = arr(5.4e-17, -500., te)
      rk_m2(27) = rk_photo(jphoto_rooh)
      rk_m2(28) = arr(3.8e-12, 200., te)
      rk_m2(29) = arr(1.6e-11, -540., te)
      rk_m2(30) = rk_photo(jphoto_onit)
      rk_m2(33) = 4.0e-12
      rk_m2(35) = 4.0e-12
      rk_m2(36) = 4.0e-12
      rk_m2(37) = 4.0e-12
      rk_m2(38) = 2.5e-12
      rk_m2(40) = 1.2e-12
      rk_m2(41) = 4.0e-12
      rk_m2(42) = 2.5e-12
      rk_m2(43) = arr(1.7e-13, 1300., te)
      rk_m2(45) = arr(1.2e-13, 1300., te)
      rk_m2(46) = arr(1.7e-13, 1300., te)
      rk_m2(47) = arr(1.7e-13, 1300., te)
      rk_m2(48) = rk_param(jro2)
      rk_m2(50) = rk_param(jano2)
      rk_m2(51) = rk_param(jnap)
      rk_m2(52) = rk_param(jxo2)
      rk_m2(53) = 1.0e-11
      return
      end subroutine gasthermrk_m2
      subroutine gasthermrk_m3( tempbox, cair_mlc, &
   rk_photo, rk_param, rk_m3 )
      use module_data_cbmz
      implicit none
      real tempbox, cair_mlc
      real rk_photo(nphoto), rk_param(nperox), rk_m3(nrxn_m3)
      integer i
      real te
      te = tempbox
      rk_m3(1) = arr(2.6e-11, 409., te)
      rk_m3(2) = arr(1.2e-14, -2013., te)
      rk_m3(3) = arr(3.0e-12, -446., te)
      rk_m3(4) = rk_photo(jphoto_isoprd)
      rk_m3(5) = 3.3e-11
      rk_m3(6) = 7.0e-18
      rk_m3(7) = 1.0e-15
      rk_m3(8) = 4.0e-12
      rk_m3(9) = 4.0e-12
      rk_m3(10) = 4.0e-12
      rk_m3(11) = arr(1.7e-13, 1300., te)
      rk_m3(12) = arr(1.7e-13, 1300., te)
      rk_m3(13) = arr(1.7e-13, 1300., te)
      rk_m3(14) = rk_param(jisopp)
      rk_m3(15) = rk_param(jisopn)
      rk_m3(16) = rk_param(jisopo2)
      do i = 1, nrxn_m3
          rk_m3(i) = max( rk_m3(i), 0.0 )
      end do
      return
      end subroutine gasthermrk_m3
      subroutine gasthermrk_m4( tempbox, cair_mlc, &
   rk_photo, rk_param, rk_m4 )
      use module_data_cbmz
      implicit none
      real tempbox, cair_mlc
      real rk_photo(nphoto), rk_param(nperox), rk_m4(nrxn_m4)
      integer i
      real B_abs, B_add, rk_tot, rk_tot_den, rk_tot_num, te
      te = tempbox
      rk_m4(1) = arr(9.6e-12, -234., te)
      rk_m4(2) = arr(1.4e-13, 500., te)
      rk_m4(3) = arr(1.3e-11, 409., te)
      rk_tot_num = te * exp(-234./te) + &
                   8.46e-10 * exp(7230./te) + &
                   2.68e-10 * exp(7810./te)
      rk_tot_den = 1.04e+11 * te + 88.1 * exp(7460./te)
      rk_tot = rk_tot_num/rk_tot_den
      B_abs = rk_m4(1)/rk_tot
      B_add = 1. - B_abs
      rk_m4(4) = B_add*rk_tot
      rk_m4(5) = 8.0e-12
      rk_m4(6) = 1.8e-13
      rk_m4(7) = 2.5e-13
      rk_m4(8) = 8.6e-14
      rk_m4(9) = 5.8e-11
      rk_m4(10) = 1.0e-14
      rk_m4(11) = 5.0e-12
      rk_m4(12) = 1.8e-13
      rk_m4(13) = 1.0e-15
      rk_m4(14) = 1.0e-13
      rk_m4(15) = 1.0e-15
      rk_m4(16) = 1.6e-11
      rk_m4(17) = 1.0e-13
      rk_m4(18) = arr(2.5e13, -8686., te)
      rk_m4(19) = 1.0e-14
      rk_m4(20) = 5.0e-15
      rk_m4(21) = 2.5e-13
      rk_m4(22) = 2.5e-13
      rk_m4(23) = 5.0e-11
      rk_m4(24) = 2.6e-18
      rk_m4(25) = 3.3
      rk_m4(26) = 1.0e-11
      rk_m4(27) = 5.5e-12
      rk_m4(28) = arr(2.0e17, -12626., te)
      rk_m4(29) = 3.0e-15
      rk_m4(30) = 3.0e-15
      rk_m4(31) = 5.0e-11
      rk_m4(32) = 1.6e-15
      do i = 1, nrxn_m4
          rk_m4(i) = max( rk_m4(i), 0.0 )
      end do
      return
      end subroutine gasthermrk_m4
      subroutine hetrateconstants
      implicit none
      return
      end subroutine hetrateconstants
      real function troe( cairmlc, te, rk0, rnn, rki, rmm )
      implicit none
      real cairmlc, te, rk0, rnn, rki, rmm
      real expo
      rk0 = rk0*cairmlc*(te/300.)**(-rnn)
      rki = rki*(te/300.)**(-rmm)
      expo= 1./(1. + (ALOG10(rk0/rki))**2)
      troe = (rk0*rki/(rk0+rki))*.6**expo
      return
      end function troe
      real function arr( aa, bb, te )
      implicit none
      real aa, bb, te
      arr = aa*exp(bb/te)
      return
      end function arr
 subroutine mapgas_tofrom_host( imap, &
  i_boxtest_units_convert, &
  it,jt,kt, ims,ime, jms,jme, kms,kme, &
  num_moist, num_chem, moist, chem, &
  t_phy, p_phy, rho_phy, &
  cbox, tempbox, pressbox, airdenbox, &
  cair_mlc, &
  h2o, ch4, oxygen, nitrogen, hydrogen )
        use module_configure, only: &
  p_qv, &
  p_so2, p_sulf, p_no2, p_no, p_o3, &
  p_hno3, p_h2o2, p_ald, p_hcho, p_op1, &
  p_op2, p_paa, p_ora1, p_ora2, p_nh3, &
  p_n2o5, p_no3, p_pan, p_hc3, p_hc5, &
  p_hc8, p_eth, p_co, p_ol2, p_olt, &
  p_oli, p_tol, p_xyl, p_aco3, p_tpan, &
  p_hono, p_hno4, p_ket, p_gly, p_mgly, &
  p_dcb, p_onit, p_csl, p_iso, p_ho, &
  p_ho2, &
  p_hcl, p_ch3o2, p_ethp, p_ch3oh, p_c2h5oh, &
  p_par, p_to2, p_cro, p_open, p_op3, &
  p_c2o3, p_ro2, p_ano2, p_nap, p_xo2, &
  p_xpar, p_isoprd, p_isopp, p_isopn, p_isopo2, &
  p_dms, p_msa, p_dmso, p_dmso2, p_ch3so2h, &
  p_ch3sch2oo, p_ch3so2, p_ch3so3, p_ch3so2oo, p_ch3so2ch2oo, &
  p_mtf
 use module_data_cbmz
 implicit none
 INTEGER, INTENT(IN) :: imap, it,jt,kt, ims,ime, jms,jme, kms,kme, &
  num_moist, num_chem, i_boxtest_units_convert
 REAL, DIMENSION( ims:ime, kms:kme, jms:jme, num_moist ), &
     INTENT(IN) :: moist
 REAL, DIMENSION( ims:ime, kms:kme, jms:jme, num_chem ), &
     INTENT(INOUT) :: chem
 REAL, DIMENSION( ims:ime , kms:kme , jms:jme ) , &
     INTENT(IN) :: t_phy, &
            p_phy, &
            rho_phy
 REAL, INTENT(INOUT) :: cbox(ngas_z)
 REAL, INTENT(INOUT) :: tempbox, pressbox, airdenbox
 REAL, INTENT(INOUT) :: cair_mlc
 REAL, INTENT(INOUT) :: h2o, ch4, oxygen, nitrogen, hydrogen
 integer l
 real factoraa
 real, parameter :: eps=0.622
 tempbox = t_phy(it,kt,jt)
 pressbox = p_phy(it,kt,jt)*10.0
 airdenbox = rho_phy(it,kt,jt)/28.966e3
 if (i_boxtest_units_convert .eq. 10) then
     airdenbox = rho_phy(it,kt,jt)
 end if
 if (imap .gt. 0) goto 2000
 cbox(:) = 0.0
 cair_mlc = airdenbox*avognumkpp
 h2o = (moist(it,kt,jt,p_qv)/eps)*airdenbox
 if (i_boxtest_units_convert .eq. 10) then
     h2o = moist(it,kt,jt,p_qv)*airdenbox
 end if
 h2o = h2o*avognumkpp
 ch4 = 1.7e-6*airdenbox*avognumkpp
 oxygen = 0.21*cair_mlc
 nitrogen = 0.79*cair_mlc
 hydrogen = 0.58e-6*cair_mlc
 factoraa = airdenbox*1.0e-6
 if (i_boxtest_units_convert .eq. 10) factoraa = airdenbox
 factoraa = factoraa*avognumkpp
 cbox(iso2_z) = chem(it,kt,jt,p_so2)*factoraa
 cbox(ih2so4_z) = chem(it,kt,jt,p_sulf)*factoraa
 cbox(ino2_z) = chem(it,kt,jt,p_no2)*factoraa
 cbox(ino_z) = chem(it,kt,jt,p_no)*factoraa
 cbox(io3_z) = chem(it,kt,jt,p_o3)*factoraa
 cbox(ihno3_z) = chem(it,kt,jt,p_hno3)*factoraa
 cbox(ih2o2_z) = chem(it,kt,jt,p_h2o2)*factoraa
 cbox(iald2_z) = chem(it,kt,jt,p_ald)*factoraa
 cbox(ihcho_z) = chem(it,kt,jt,p_hcho)*factoraa
 cbox(ich3ooh_z) = chem(it,kt,jt,p_op1)*factoraa
 cbox(iethooh_z) = chem(it,kt,jt,p_op2)*factoraa
 cbox(ihcooh_z) = chem(it,kt,jt,p_ora1)*factoraa
 cbox(ircooh_z) = chem(it,kt,jt,p_ora2)*factoraa
 cbox(inh3_z) = chem(it,kt,jt,p_nh3)*factoraa
 cbox(in2o5_z) = chem(it,kt,jt,p_n2o5)*factoraa
 cbox(ino3_z) = chem(it,kt,jt,p_no3)*factoraa
 cbox(ipan_z) = chem(it,kt,jt,p_pan)*factoraa
 cbox(ic2h6_z) = chem(it,kt,jt,p_eth)*factoraa
 cbox(ico_z) = chem(it,kt,jt,p_co)*factoraa
 cbox(ieth_z) = chem(it,kt,jt,p_ol2)*factoraa
 cbox(iolet_z) = chem(it,kt,jt,p_olt)*factoraa
 cbox(iolei_z) = chem(it,kt,jt,p_oli)*factoraa
 cbox(itol_z) = chem(it,kt,jt,p_tol)*factoraa
 cbox(ixyl_z) = chem(it,kt,jt,p_xyl)*factoraa
 cbox(ihono_z) = chem(it,kt,jt,p_hono)*factoraa
 cbox(ihno4_z) = chem(it,kt,jt,p_hno4)*factoraa
 cbox(iaone_z) = chem(it,kt,jt,p_ket)*factoraa
 cbox(imgly_z) = chem(it,kt,jt,p_mgly)*factoraa
 cbox(ionit_z) = chem(it,kt,jt,p_onit)*factoraa
 cbox(icres_z) = chem(it,kt,jt,p_csl)*factoraa
 cbox(iisop_z) = chem(it,kt,jt,p_iso)*factoraa
 cbox(ioh_z) = chem(it,kt,jt,p_ho)*factoraa
 cbox(iho2_z) = chem(it,kt,jt,p_ho2)*factoraa
 cbox(ihcl_z) = chem(it,kt,jt,p_hcl)*factoraa
 cbox(ich3o2_z) = chem(it,kt,jt,p_ch3o2)*factoraa
 cbox(iethp_z) = chem(it,kt,jt,p_ethp)*factoraa
 cbox(ich3oh_z) = chem(it,kt,jt,p_ch3oh)*factoraa
 cbox(ic2h5oh_z) = chem(it,kt,jt,p_c2h5oh)*factoraa
 cbox(ipar_z) = chem(it,kt,jt,p_par)*factoraa
 cbox(ito2_z) = chem(it,kt,jt,p_to2)*factoraa
 cbox(icro_z) = chem(it,kt,jt,p_cro)*factoraa
 cbox(iopen_z) = chem(it,kt,jt,p_open)*factoraa
 cbox(irooh_z) = chem(it,kt,jt,p_op3)*factoraa
 cbox(ic2o3_z) = chem(it,kt,jt,p_c2o3)*factoraa
 cbox(iro2_z) = chem(it,kt,jt,p_ro2)*factoraa
 cbox(iano2_z) = chem(it,kt,jt,p_ano2)*factoraa
 cbox(inap_z) = chem(it,kt,jt,p_nap)*factoraa
 cbox(ixo2_z) = chem(it,kt,jt,p_xo2)*factoraa
 cbox(ixpar_z) = chem(it,kt,jt,p_xpar)*factoraa
 cbox(iisoprd_z) = chem(it,kt,jt,p_isoprd)*factoraa
 cbox(iisopp_z) = chem(it,kt,jt,p_isopp)*factoraa
 cbox(iisopn_z) = chem(it,kt,jt,p_isopn)*factoraa
 cbox(iisopo2_z) = chem(it,kt,jt,p_isopo2)*factoraa
 cbox(idms_z) = chem(it,kt,jt,p_dms)*factoraa
 cbox(imsa_z) = chem(it,kt,jt,p_msa)*factoraa
 cbox(idmso_z) = chem(it,kt,jt,p_dmso)*factoraa
 cbox(idmso2_z) = chem(it,kt,jt,p_dmso2)*factoraa
 cbox(ich3so2h_z) = chem(it,kt,jt,p_ch3so2h)*factoraa
 cbox(ich3sch2oo_z) = chem(it,kt,jt,p_ch3sch2oo)*factoraa
 cbox(ich3so2_z) = chem(it,kt,jt,p_ch3so2)*factoraa
 cbox(ich3so3_z) = chem(it,kt,jt,p_ch3so3)*factoraa
 cbox(ich3so2oo_z) = chem(it,kt,jt,p_ch3so2oo)*factoraa
 cbox(ich3so2ch2oo_z) = chem(it,kt,jt,p_ch3so2ch2oo)*factoraa
 cbox(imtf_z) = chem(it,kt,jt,p_mtf)*factoraa
 cbox(ih2o_z) = h2o
 cbox(ich4_z) = ch4
 cbox(io2_z) = oxygen
 cbox(in2_z) = nitrogen
 cbox(ih2_z) = hydrogen
 return
2000 continue
 factoraa = airdenbox*1.0e-6
 if (i_boxtest_units_convert .eq. 10) factoraa = airdenbox
 factoraa = factoraa*avognumkpp
 chem(it,kt,jt,p_so2) = cbox(iso2_z)/factoraa
 chem(it,kt,jt,p_sulf) = cbox(ih2so4_z)/factoraa
 chem(it,kt,jt,p_no2) = cbox(ino2_z)/factoraa
 chem(it,kt,jt,p_no) = cbox(ino_z)/factoraa
 chem(it,kt,jt,p_o3) = cbox(io3_z)/factoraa
 chem(it,kt,jt,p_hno3) = cbox(ihno3_z)/factoraa
 chem(it,kt,jt,p_h2o2) = cbox(ih2o2_z)/factoraa
 chem(it,kt,jt,p_ald) = cbox(iald2_z)/factoraa
 chem(it,kt,jt,p_hcho) = cbox(ihcho_z)/factoraa
 chem(it,kt,jt,p_op1) = cbox(ich3ooh_z)/factoraa
 chem(it,kt,jt,p_op2) = cbox(iethooh_z)/factoraa
 chem(it,kt,jt,p_ora1) = cbox(ihcooh_z)/factoraa
 chem(it,kt,jt,p_ora2) = cbox(ircooh_z)/factoraa
 chem(it,kt,jt,p_nh3) = cbox(inh3_z)/factoraa
 chem(it,kt,jt,p_n2o5) = cbox(in2o5_z)/factoraa
 chem(it,kt,jt,p_no3) = cbox(ino3_z)/factoraa
 chem(it,kt,jt,p_pan) = cbox(ipan_z)/factoraa
 chem(it,kt,jt,p_eth) = cbox(ic2h6_z)/factoraa
 chem(it,kt,jt,p_co) = cbox(ico_z)/factoraa
 chem(it,kt,jt,p_ol2) = cbox(ieth_z)/factoraa
 chem(it,kt,jt,p_olt) = cbox(iolet_z)/factoraa
 chem(it,kt,jt,p_oli) = cbox(iolei_z)/factoraa
 chem(it,kt,jt,p_tol) = cbox(itol_z)/factoraa
 chem(it,kt,jt,p_xyl) = cbox(ixyl_z)/factoraa
 chem(it,kt,jt,p_hono) = cbox(ihono_z)/factoraa
 chem(it,kt,jt,p_hno4) = cbox(ihno4_z)/factoraa
 chem(it,kt,jt,p_ket) = cbox(iaone_z)/factoraa
 chem(it,kt,jt,p_mgly) = cbox(imgly_z)/factoraa
 chem(it,kt,jt,p_onit) = cbox(ionit_z)/factoraa
 chem(it,kt,jt,p_csl) = cbox(icres_z)/factoraa
 chem(it,kt,jt,p_iso) = cbox(iisop_z)/factoraa
 chem(it,kt,jt,p_ho) = cbox(ioh_z)/factoraa
 chem(it,kt,jt,p_ho2) = cbox(iho2_z)/factoraa
 chem(it,kt,jt,p_hcl) = cbox(ihcl_z)/factoraa
 chem(it,kt,jt,p_ch3o2) = cbox(ich3o2_z)/factoraa
 chem(it,kt,jt,p_ethp) = cbox(iethp_z)/factoraa
 chem(it,kt,jt,p_ch3oh) = cbox(ich3oh_z)/factoraa
 chem(it,kt,jt,p_c2h5oh) = cbox(ic2h5oh_z)/factoraa
 chem(it,kt,jt,p_par) = cbox(ipar_z)/factoraa
 chem(it,kt,jt,p_to2) = cbox(ito2_z)/factoraa
 chem(it,kt,jt,p_cro) = cbox(icro_z)/factoraa
 chem(it,kt,jt,p_open) = cbox(iopen_z)/factoraa
 chem(it,kt,jt,p_op3) = cbox(irooh_z)/factoraa
 chem(it,kt,jt,p_c2o3) = cbox(ic2o3_z)/factoraa
 chem(it,kt,jt,p_ro2) = cbox(iro2_z)/factoraa
 chem(it,kt,jt,p_ano2) = cbox(iano2_z)/factoraa
 chem(it,kt,jt,p_nap) = cbox(inap_z)/factoraa
 chem(it,kt,jt,p_xo2) = cbox(ixo2_z)/factoraa
 chem(it,kt,jt,p_xpar) = cbox(ixpar_z)/factoraa
 chem(it,kt,jt,p_isoprd) = cbox(iisoprd_z)/factoraa
 chem(it,kt,jt,p_isopp) = cbox(iisopp_z)/factoraa
 chem(it,kt,jt,p_isopn) = cbox(iisopn_z)/factoraa
 chem(it,kt,jt,p_isopo2) = cbox(iisopo2_z)/factoraa
 chem(it,kt,jt,p_dms) = cbox(idms_z)/factoraa
 chem(it,kt,jt,p_msa) = cbox(imsa_z)/factoraa
 chem(it,kt,jt,p_dmso) = cbox(idmso_z)/factoraa
 chem(it,kt,jt,p_dmso2) = cbox(idmso2_z)/factoraa
 chem(it,kt,jt,p_ch3so2h) = cbox(ich3so2h_z)/factoraa
 chem(it,kt,jt,p_ch3sch2oo) = cbox(ich3sch2oo_z)/factoraa
 chem(it,kt,jt,p_ch3so2) = cbox(ich3so2_z)/factoraa
 chem(it,kt,jt,p_ch3so3) = cbox(ich3so3_z)/factoraa
 chem(it,kt,jt,p_ch3so2oo) = cbox(ich3so2oo_z)/factoraa
 chem(it,kt,jt,p_ch3so2ch2oo) = cbox(ich3so2ch2oo_z)/factoraa
 chem(it,kt,jt,p_mtf) = cbox(imtf_z)/factoraa
 return
 end subroutine mapgas_tofrom_host
 subroutine set_gaschem_allowed_regimes( lunerr, &
  igaschem_allowed_m1, igaschem_allowed_m2, &
  igaschem_allowed_m3, igaschem_allowed_m4 )
        use module_configure, only: &
  p_qv, &
  p_so2, p_sulf, p_no2, p_no, p_o3, &
  p_hno3, p_h2o2, p_ald, p_hcho, p_op1, &
  p_op2, p_paa, p_ora1, p_ora2, p_nh3, &
  p_n2o5, p_no3, p_pan, p_hc3, p_hc5, &
  p_hc8, p_eth, p_co, p_ol2, p_olt, &
  p_oli, p_tol, p_xyl, p_aco3, p_tpan, &
  p_hono, p_hno4, p_ket, p_gly, p_mgly, &
  p_dcb, p_onit, p_csl, p_iso, p_ho, &
  p_ho2, &
  p_hcl, p_ch3o2, p_ethp, p_ch3oh, p_c2h5oh, &
  p_par, p_to2, p_cro, p_open, p_op3, &
  p_c2o3, p_ro2, p_ano2, p_nap, p_xo2, &
  p_xpar, p_isoprd, p_isopp, p_isopn, p_isopo2, &
  p_dms, p_msa, p_dmso, p_dmso2, p_ch3so2h, &
  p_ch3sch2oo, p_ch3so2, p_ch3so3, p_ch3so2oo, p_ch3so2ch2oo, &
  p_mtf
        use module_state_description, only: param_first_scalar
 use module_data_cbmz
 implicit none
 integer lunerr
 integer igaschem_allowed_m1, igaschem_allowed_m2, &
  igaschem_allowed_m3, igaschem_allowed_m4
 integer nactive, ndum, p1st
 character*80 msg
 p1st = param_first_scalar
 if (p_qv .lt. p1st) then
     msg = '*** subr set_gaschem_allowed_regimes'
     call peg_message( lunerr, msg )
     msg = '*** water vapor IS NOT ACTIVE'
     call peg_message( lunerr, msg )
     call peg_error_fatal( lunerr, msg )
 end if
 nactive = 0
 ndum = 27
 if (p_no .ge. p1st) nactive = nactive + 1
 if (p_no2 .ge. p1st) nactive = nactive + 1
 if (p_no3 .ge. p1st) nactive = nactive + 1
 if (p_n2o5 .ge. p1st) nactive = nactive + 1
 if (p_hono .ge. p1st) nactive = nactive + 1
 if (p_hno3 .ge. p1st) nactive = nactive + 1
 if (p_hno4 .ge. p1st) nactive = nactive + 1
 if (p_o3 .ge. p1st) nactive = nactive + 1
 if (p_ho .ge. p1st) nactive = nactive + 1
 if (p_ho2 .ge. p1st) nactive = nactive + 1
 if (p_h2o2 .ge. p1st) nactive = nactive + 1
 if (p_co .ge. p1st) nactive = nactive + 1
 if (p_so2 .ge. p1st) nactive = nactive + 1
 if (p_sulf .ge. p1st) nactive = nactive + 1
 if (p_eth .ge. p1st) nactive = nactive + 1
 if (p_ch3o2 .ge. p1st) nactive = nactive + 1
 if (p_ethp .ge. p1st) nactive = nactive + 1
 if (p_hcho .ge. p1st) nactive = nactive + 1
 if (p_ch3oh .ge. p1st) nactive = nactive + 1
 if (p_c2h5oh .ge. p1st) nactive = nactive + 1
 if (p_op1 .ge. p1st) nactive = nactive + 1
 if (p_op2 .ge. p1st) nactive = nactive + 1
 if (p_ald .ge. p1st) nactive = nactive + 1
 if (p_ora1 .ge. p1st) nactive = nactive + 1
 if (p_pan .ge. p1st) nactive = nactive + 1
 if (p_ora2 .ge. p1st) nactive = nactive + 1
 if (p_c2o3 .ge. p1st) nactive = nactive + 1
 if (nactive .le. 0) then
     igaschem_allowed_m1 = 0
 else if (nactive .eq. ndum) then
     igaschem_allowed_m1 = 1
 else
     msg = '*** subr set_gaschem_allowed_regimes'
     call peg_message( lunerr, msg )
     write(msg,90200) 1, nactive, ndum
     call peg_message( lunerr, msg )
     call peg_error_fatal( lunerr, msg )
 end if
90200 format( '    error for regime ', i1, ', nactive, nexpected = ', 2i5 )
 nactive = 0
 ndum = 19
 if (p_par .ge. p1st) nactive = nactive + 1
 if (p_ket .ge. p1st) nactive = nactive + 1
 if (p_mgly .ge. p1st) nactive = nactive + 1
 if (p_ol2 .ge. p1st) nactive = nactive + 1
 if (p_olt .ge. p1st) nactive = nactive + 1
 if (p_oli .ge. p1st) nactive = nactive + 1
 if (p_tol .ge. p1st) nactive = nactive + 1
 if (p_xyl .ge. p1st) nactive = nactive + 1
 if (p_csl .ge. p1st) nactive = nactive + 1
 if (p_to2 .ge. p1st) nactive = nactive + 1
 if (p_cro .ge. p1st) nactive = nactive + 1
 if (p_open .ge. p1st) nactive = nactive + 1
 if (p_onit .ge. p1st) nactive = nactive + 1
 if (p_op3 .ge. p1st) nactive = nactive + 1
 if (p_ro2 .ge. p1st) nactive = nactive + 1
 if (p_ano2 .ge. p1st) nactive = nactive + 1
 if (p_nap .ge. p1st) nactive = nactive + 1
 if (p_xo2 .ge. p1st) nactive = nactive + 1
 if (p_xpar .ge. p1st) nactive = nactive + 1
 if (nactive .le. 0) then
     igaschem_allowed_m2 = 0
 else if (nactive .eq. ndum) then
     igaschem_allowed_m2 = 2
 else
     msg = '*** subr set_gaschem_allowed_regimes'
     call peg_message( lunerr, msg )
     write(msg,90200) 2, nactive, ndum
     call peg_message( lunerr, msg )
     call peg_error_fatal( lunerr, msg )
 end if
 nactive = 0
 ndum = 5
 if (p_iso .ge. p1st) nactive = nactive + 1
 if (p_isoprd .ge. p1st) nactive = nactive + 1
 if (p_isopp .ge. p1st) nactive = nactive + 1
 if (p_isopn .ge. p1st) nactive = nactive + 1
 if (p_isopo2 .ge. p1st) nactive = nactive + 1
 if (nactive .le. 0) then
     igaschem_allowed_m3 = 0
 else if (nactive .eq. ndum) then
     igaschem_allowed_m3 = 3
 else
     msg = '*** subr set_gaschem_allowed_regimes'
     call peg_message( lunerr, msg )
     write(msg,90200) 3, nactive, ndum
     call peg_message( lunerr, msg )
     call peg_error_fatal( lunerr, msg )
 end if
 nactive = 0
 ndum = 11
 if (p_dms .ge. p1st) nactive = nactive + 1
 if (p_msa .ge. p1st) nactive = nactive + 1
 if (p_dmso .ge. p1st) nactive = nactive + 1
 if (p_dmso2 .ge. p1st) nactive = nactive + 1
 if (p_ch3so2h .ge. p1st) nactive = nactive + 1
 if (p_ch3sch2oo .ge. p1st) nactive = nactive + 1
 if (p_ch3so2 .ge. p1st) nactive = nactive + 1
 if (p_ch3so3 .ge. p1st) nactive = nactive + 1
 if (p_ch3so2oo .ge. p1st) nactive = nactive + 1
 if (p_ch3so2ch2oo .ge. p1st) nactive = nactive + 1
 if (p_mtf .ge. p1st) nactive = nactive + 1
 if (nactive .le. 0) then
     igaschem_allowed_m4 = 0
 else if (nactive .eq. ndum) then
     igaschem_allowed_m4 = 4
 else
     msg = '*** subr set_gaschem_allowed_regimes'
     call peg_message( lunerr, msg )
     write(msg,90200) 4, nactive, ndum
     call peg_message( lunerr, msg )
     call peg_error_fatal( lunerr, msg )
 end if
 if (igaschem_allowed_m1 .le. 0) then
     msg = '*** subr set_gaschem_allowed_regimes'
     call peg_message( lunerr, msg )
     write(msg,90300) 1
     call peg_message( lunerr, msg )
     call peg_error_fatal( lunerr, msg )
 end if
90300 format( '    regime ', i1, ' must always be allowed' )
 if (igaschem_allowed_m2 .gt. 0) then
     if (igaschem_allowed_m1 .le. 0) then
  msg = '*** subr set_gaschem_allowed_regimes'
  call peg_message( lunerr, msg )
  write(msg,90400) 2, 1
  call peg_message( lunerr, msg )
  call peg_error_fatal( lunerr, msg )
     end if
 end if
90400 format( '    regime ', i1, ' allowed BUT regime ', i1, ' unallowed' )
 if (igaschem_allowed_m3 .gt. 0) then
     if (igaschem_allowed_m1 .le. 0) then
  msg = '*** subr set_gaschem_allowed_regimes'
  call peg_message( lunerr, msg )
  write(msg,90400) 3, 1
  call peg_message( lunerr, msg )
  call peg_error_fatal( lunerr, msg )
     else if (igaschem_allowed_m2 .le. 0) then
  msg = '*** subr set_gaschem_allowed_regimes'
  call peg_message( lunerr, msg )
  write(msg,90400) 3, 2
  call peg_message( lunerr, msg )
  call peg_error_fatal( lunerr, msg )
     end if
 end if
 if (igaschem_allowed_m4 .gt. 0) then
     if (igaschem_allowed_m1 .le. 0) then
  msg = '*** subr set_gaschem_allowed_regimes'
  call peg_message( lunerr, msg )
  write(msg,90400) 4, 1
  call peg_message( lunerr, msg )
  call peg_error_fatal( lunerr, msg )
     end if
 end if
 return
 end subroutine set_gaschem_allowed_regimes
 subroutine gasphotoconstants( rk_photo, &
     i_boxtest_units_convert, &
     it,jt,kt, ims,ime, jms,jme, kms,kme, &
     ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
     ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
     ph_ch3o2h, ph_n2o5 )
 use module_data_cbmz
 implicit none
 integer it,jt,kt, ims,ime, jms,jme, kms,kme
 integer i_boxtest_units_convert
 real rk_photo(nphoto)
 real, dimension( ims:ime, kms:kme, jms:jme ) :: &
               ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
               ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
               ph_ch3o2h, ph_n2o5
 real ft
 rk_photo(:) = 0.0
 rk_photo(jphoto_no2) = ph_no2(it,kt,jt)
 rk_photo(jphoto_no3) = ph_no3o(it,kt,jt) &
                                + ph_no3o2(it,kt,jt)
 rk_photo(jphoto_o3a) = ph_o33p(it,kt,jt)
 rk_photo(jphoto_o3b) = ph_o31d(it,kt,jt)
 rk_photo(jphoto_hono) = ph_hno2(it,kt,jt)
 rk_photo(jphoto_hno3) = ph_hno3(it,kt,jt)
 rk_photo(jphoto_hno4) = ph_hno4(it,kt,jt)
 rk_photo(jphoto_h2o2) = ph_h2o2(it,kt,jt)
 rk_photo(jphoto_ch3ooh) = ph_ch3o2h(it,kt,jt)
 rk_photo(jphoto_hchoa) = ph_ch2or(it,kt,jt)
 rk_photo(jphoto_hchob) = ph_ch2om(it,kt,jt)
 rk_photo(jphoto_n2o5) = ph_n2o5(it,kt,jt)
 rk_photo(jphoto_ethooh) = 0.7 *rk_photo(jphoto_h2o2)
 rk_photo(jphoto_ald2) = 4.6e-4*rk_photo(jphoto_no2)
 rk_photo(jphoto_aone) = 7.8e-5*rk_photo(jphoto_no2)
 rk_photo(jphoto_mgly) = 9.64 *rk_photo(jphoto_hchoa)
 rk_photo(jphoto_open) = 9.04 *rk_photo(jphoto_hchoa)
 rk_photo(jphoto_rooh) = 0.7 *rk_photo(jphoto_h2o2)
 rk_photo(jphoto_onit) = 1.0e-4*rk_photo(jphoto_no2)
 rk_photo(jphoto_isoprd) = .025 *rk_photo(jphoto_hchob)
 ft = 60.0
 if (i_boxtest_units_convert .eq. 10) ft = 1.0
 if (i_boxtest_units_convert .eq. 20) ft = 1.0
 if (ft .ne. 1.0) then
     rk_photo(:) = rk_photo(:)/ft
 end if
 return
 end subroutine gasphotoconstants
 end module module_cbmz