diff --git a/CMakeLists.txt b/CMakeLists.txt
index 177d5240d4c807788fa5d7d70c173cc2f4f698b8..6b6f4d01e4d3a155bd208a836b3b837d84fe6139 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,7 @@ set(lib_files
     src/parkinds.f90
     src/pbl_grid.f90
     src/phys_fluid.f90
-    src/state_utils.f90
+        src/abl_state_utils.f90
     src/scm_state_data.f90
     src/pbl_turb_data.f90
     src/pbl_solver.f90
diff --git a/radiation/CMakeLists.txt b/radiation/CMakeLists.txt
index 677b4e8e94db375adbc3ef4433d05d82bd86935f..65e423caf9ddfe31bfc3edd817fc9d01b96baede 100644
--- a/radiation/CMakeLists.txt
+++ b/radiation/CMakeLists.txt
@@ -24,7 +24,7 @@ else ()
 endif()
 
 set(CMAKE_Fortran_FLAGS_DEBUG "-O0 ${CMAKE_Fortran_FLAGS_DEBUG} ${bounds}")
-set(CMAKE_Fortran_FLAGS_RELEASE  "-O1 -finline-functions  ${dialect}" )
+set(CMAKE_Fortran_FLAGS_RELEASE  "-O2 -finline-functions  ${dialect}" )
 
 add_library(rrtmlw STATIC
         modules/parkind.f90
diff --git a/src/state_utils.f90 b/src/abl_state_utils.f90
similarity index 91%
rename from src/state_utils.f90
rename to src/abl_state_utils.f90
index a3404fac4070de5eeec7cfeff92b8340f5eb2e12..a80248f2e31ecc54ff702cbee5920976e6d88a8c 100644
--- a/src/state_utils.f90
+++ b/src/abl_state_utils.f90
@@ -1,8 +1,8 @@
 ! Created by Andrey Debolskiy on 17.12.2023.
 
-module state_utils
+module abl_state_utils
 
-    public geo
+    public geo_abl
     public get_geopotential_moist
     public theta2ta
     public ta2theta
@@ -41,7 +41,7 @@ module state_utils
             end do
         end subroutine get_geopotential_moist
 
-        SUBROUTINE GEO(T,FS,F,SIG, R, LL)
+        SUBROUTINE  geo_abl(T,FS,F,SIG, R, LL)
         implicit none
         integer, intent(in):: LL
         real, intent(in):: T(LL)
@@ -62,7 +62,7 @@ module state_utils
 
         end do
 
-        END SUBROUTINE GEO
+        END SUBROUTINE geo_abl
 
 
 
@@ -97,7 +97,7 @@ module state_utils
             end do
         end subroutine ta2theta
 
-        real function qmax_sc(t, p, aa)
+        real function qmax_scabl(t, p, aa)
             implicit none
 
             real, intent(in) :: t, p, aa
@@ -109,9 +109,9 @@ module state_utils
             else
                 pb=21.85e0/(t-7.65e0)
             end if
-            qmax_sc=3.80042e-3*exp(pb*pb2)/p
-        end function qmax_sc
-    real function qmax(T,P, AA )
+            qmax_scabl=3.80042e-3*exp(pb*pb2)/p
+        end function qmax_scabl
+    real function qmax_abl(T,P, AA )
         IMPLICIT NONE
         real, intent(in):: t, p, aa
         !local
@@ -123,39 +123,39 @@ module state_utils
         ELSE
             PB=21.85E0/(T-7.65E0)
         ENDIF
-        QMAX=3.80042E-3*EXP(PB*PB2)/P
+        QMAX_abl=3.80042E-3*EXP(PB*PB2)/P
         RETURN
-    end function qmax
+    end function qmax_abl
 
 
-    real function dqsdt_sc(a, b, h)
+    real function dqsdt_scabl(a, b, h)
             real, intent(in) ::  a, b, h
 
-            dqsdt_sc=4248.855e0*h*qmax_sc(a,b, 0.0e0)/(a-31.10e0)**2
-        end function dqsdt_sc
+            dqsdt_scabl=4248.855e0*h*qmax_scabl(a,b, 0.0e0)/(a-31.10e0)**2
+        end function dqsdt_scabl
 
-    REAL FUNCTION CLDT(Q,T,P,C)
+    REAL FUNCTION cldt_abl(Q,T,P,C)
         !
         IMPLICIT NONE
         REAL, INTENT(IN) ::  Q,T,P,C
         !      REAL DQSDT
         !REAL :: QMAX
 
-        CLDT=(Q-C*QMAX(T,P, 0.0E0))/(1.0E0+2488.851E0*DQSDT(T,P,C))
+        CLDT_abl=(Q-C*qmax_abl(T,P, 0.0E0))/(1.0E0+2488.851E0*DQSDT_abl(T,P,C))
         RETURN
-    END FUNCTION CLDT
+    END FUNCTION cldt_abl
 
-    REAL FUNCTION DQSDT(A,B,H)
+    REAL FUNCTION dqsdt_abl(A,B,H)
         !
         IMPLICIT NONE
         REAL, INTENT(IN) ::  A, B, H
         !REAL :: QMAX
 
-        DQSDT=4248.855E0*H*QMAX(A,B, 0.0E0)/(A-31.10E0)**2
+        DQSDT_abl=4248.855E0*H*qmax_abl(A,B, 0.0E0)/(A-31.10E0)**2
         RETURN
-    END FUNCTION DQSDT
+    END FUNCTION dqsdt_abl
 
-    REAL FUNCTION DQSDT2(A,B,H)
+    REAL FUNCTION dqsdt2_abl(A,B,H)
 
         IMPLICIT NONE
 
@@ -163,10 +163,10 @@ module state_utils
         !      REAL  DQSDT
         !REAL :: QMAX
 
-        DQSDT2=4248.855E0*H*(DQSDT(A,B,    H )/(A-31.10E0)**2 - &
-                2.0E0*QMAX (A,B, 0.0E0)/(A-31.10E0)**3)
+        DQSDT2_abl=4248.855E0*H*(DQSDT_abl(A,B,    H )/(A-31.10E0)**2 - &
+                2.0E0*QMAX_abl (A,B, 0.0E0)/(A-31.10E0)**3)
         RETURN
-    END FUNCTION DQSDT2
+    END FUNCTION DQSDT2_abl
 
     real function get_density( p, t, qv, fluid)
         use phys_fluid, only: fluidParamsDataType
@@ -357,4 +357,4 @@ module state_utils
         end do
         grid%dzc(2:kmax) = grid%z_cell(2:kmax) - grid%z_cell(1:kmax-1)
     end subroutine get_z_from_sigma
-end module state_utils
\ No newline at end of file
+end module abl_state_utils
\ No newline at end of file
diff --git a/src/tests/cbl_exp.f90 b/src/tests/cbl_exp.f90
index 9d83fed06bdd0c7bb13090eca43b37cefc245af5..de5b8be62356181afc82b364f48cb63304358af8 100644
--- a/src/tests/cbl_exp.f90
+++ b/src/tests/cbl_exp.f90
@@ -13,7 +13,7 @@ program cbl_exp
     use pbl_turb_common
     use pbl_dry_contrgradient
     use pbl_solver
-    use state_utils, only : geo, theta2ta, ta2theta, get_sigma_from_z, &
+    use abl_state_utils, only : geo_abl, theta2ta, ta2theta, get_sigma_from_z, &
             get_sigma_from_z_theta, get_theta_v, get_density_theta_vector
     use diag_pbl
     use pbl_grid
diff --git a/src/tests/gabls1.f90 b/src/tests/gabls1.f90
index fcb818b8f5c6b73a06ccd1798ec238d351579621..fb2dd61bba5c820557aadceaf1f4ed1b3afd1e55 100644
--- a/src/tests/gabls1.f90
+++ b/src/tests/gabls1.f90
@@ -12,7 +12,7 @@ program gabls1
     use pbl_turb_data
     use pbl_turb_common
     use pbl_solver
-    use state_utils, only : geo, theta2ta, ta2theta, get_sigma_from_z, &
+    use abl_state_utils, only : geo_abl, theta2ta, ta2theta, get_sigma_from_z, &
             get_sigma_from_z_theta, get_theta_v, get_density_theta_vector
     use diag_pbl
     use pbl_grid
diff --git a/src/tests/gabls2.f90 b/src/tests/gabls2.f90
index 044a88d2eb5b20374ea5d21c5dad0b90f5efede6..dd4f0a4c5a644e4be96e5c9159455bd8dd1914de 100644
--- a/src/tests/gabls2.f90
+++ b/src/tests/gabls2.f90
@@ -13,7 +13,7 @@ program gabls2
     use pbl_turb_common
     use pbl_dry_contrgradient
     use pbl_solver
-    use state_utils, only : geo, theta2ta, ta2theta, get_sigma_from_z, &
+    use abl_state_utils, only : geo_abl, theta2ta, ta2theta, get_sigma_from_z, &
             get_sigma_from_z_theta, get_theta_v, get_density_theta_vector
     use diag_pbl
     use pbl_grid