diff --git a/physics/radlw_main.F90 b/physics/radlw_main.F90
index de8d9e973..5ed3397d6 100644
--- a/physics/radlw_main.F90
+++ b/physics/radlw_main.F90
@@ -280,8 +280,7 @@ module rrtmg_lw
 !
       use physparam,        only : ilwrate, ilwrgas, ilwcliq, ilwcice,  &
      &                             isubclw, icldflg, iovr,  ivflip
-      use physcons,         only : con_g, con_cp, con_avgd, con_amd,    &
-     &                             con_amw, con_amo3
+
       use mersenne_twister, only : random_setseed, random_number,       &
      &                             random_stat
 !mz
@@ -320,8 +319,8 @@ module rrtmg_lw
       real (kind=kind_phys), parameter :: f_one   = 1.0
 
 !  ...  atomic weights for conversion from mass to volume mixing ratios
-      real (kind=kind_phys), parameter :: amdw    = con_amd/con_amw
-      real (kind=kind_phys), parameter :: amdo3   = con_amd/con_amo3
+      ! real (kind=kind_phys), parameter :: amdw    = con_amd/con_amw
+      ! real (kind=kind_phys), parameter :: amdo3   = con_amd/con_amo3
 
 !  ...  band indices
       integer, dimension(nbands) :: nspa, nspb
@@ -385,7 +384,9 @@ module rrtmg_lw
 !  ---  public accessable subprograms
 
       public rrtmg_lw_init, rrtmg_lw_run, rrtmg_lw_finalize, rlwinit
-
+      
+      real(kind=kind_phys), public :: con_g, con_cp,                       &
+     &       con_avgd, con_amd, con_amw, con_amo3
 
 ! ================
       contains
@@ -423,7 +424,8 @@ end subroutine rrtmg_lw_init
 !> \section gen_lwrad RRTMG Longwave Radiation Scheme General Algorithm
 !> @{
       subroutine rrtmg_lw_run                                           &
-     &     ( plyr,plvl,tlyr,tlvl,qlyr,olyr,gasvmr_co2, gasvmr_n2o,      &   !  ---  inputs
+     &     ( con_g,con_cp,con_avgd,con_amd,con_amw,con_amo3,            &   !  ---  inputs
+     &	     plyr,plvl,tlyr,tlvl,qlyr,olyr,gasvmr_co2, gasvmr_n2o,      &   
      &       gasvmr_ch4, gasvmr_o2, gasvmr_co, gasvmr_cfc11,            &
      &       gasvmr_cfc12, gasvmr_cfc22, gasvmr_ccl4,                   &
      &       icseed,aeraod,aerssa,sfemis,sfgtmp,                        &
@@ -613,6 +615,12 @@ subroutine rrtmg_lw_run                                           &
 
       logical,  intent(in) :: lprnt
 
+      real(kind=kind_phys),intent(in) :: con_g, con_cp,                &
+     &       con_avgd, con_amd, con_amw, con_amo3
+      
+
+      real (kind=kind_phys) :: amdw,  amdo3
+
       real (kind=kind_phys), dimension(npts,nlp1), intent(in) :: plvl,  &
      &       tlvl
       real (kind=kind_phys), dimension(npts,nlay), intent(in) :: plyr,  &
@@ -767,7 +775,9 @@ subroutine rrtmg_lw_run                                           &
       ! Initialize CCPP error handling variables
       errmsg = ''
       errflg = 0
-
+      
+      amdw    = con_amd/con_amw
+      amdo3   = con_amd/con_amo3
 !mz*
 ! For passing in cloud physical properties; cloud optics parameterized
 ! in RRTMG:
diff --git a/physics/radlw_main.meta b/physics/radlw_main.meta
index 0e7aff8d4..5770a8815 100644
--- a/physics/radlw_main.meta
+++ b/physics/radlw_main.meta
@@ -7,6 +7,60 @@
 [ccpp-arg-table]
   name = rrtmg_lw_run
   type = scheme
+[con_g]
+  standard_name = gravitational_acceleration
+  long_name = gravitational acceleration
+  units = m s-2
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+  optional = F
+[con_cp]
+  standard_name = specific_heat_of_dry_air_at_constant_pressure
+  long_name = specific heat of dry air at constant pressure
+  units = J kg-1 K-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+  optional = F
+[con_avgd]
+  standard_name = avogadro_constant
+  long_name = avogadro constant
+  units = mol-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+  optional = F
+[con_amd]
+  standard_name = molecular_weight_of_dry_air
+  long_name = molecular weight of dry air
+  units = g mol-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+  optional = F
+[con_amw]
+  standard_name = molecular_weight_of_water_vapor
+  long_name = molecular weight of water vapor
+  units = g mol-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+  optional = F
+[con_amo3]
+  standard_name = molecular_weight_of_o3
+  long_name = molecular weight of o3
+  units = g mol-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+  optional = F
 [plyr]
   standard_name = air_pressure_at_layer_for_radiation_in_hPa
   long_name = air pressure layer