diff --git a/AC-experiments/config-fc.h b/AC-experiments/config-fc.h
index fd2f167..0c1c5cd 100644
--- a/AC-experiments/config-fc.h
+++ b/AC-experiments/config-fc.h
@@ -20,7 +20,7 @@
 EXP=oifc
 
 # Simulation start and end date. If setting time (not mandatory), **put it before** the date
-run_start_date="00:00 2013-07-01"
+run_start_date="00:00 2010-01-01"
 run_end_date="${run_start_date} + 2 days"
 
 # Restart frequency (a/k/a forecast length). Use any (reasonable) number and time unit you want.
@@ -56,19 +56,20 @@ LCHEM_OFFLINE_IC=false
 # a previous experiment
 #==========================================================
 # Experiment (can be different from the one used for METEO ICs)
-CHEM_INIEXP="b257"
+CHEM_INIEXP="b27y"
 CHEM_INIVER="ver15"             # default to CHEM_VER
 CHEM_INITYPE="fc"
 CHEM_INICLASS="nl"
 CHEM_INIFC=24                   # Time into the forecast to pickup IC  
-CHEM_INIDATE=2013070100         # Forecast start time. Default (if unset or 0) to run_start_date
-CHEM_INILEVELS="60"             # default to 60
+CHEM_INIDATE=2009123100         # Forecast start time. Default (if unset or 0) to run_start_date
+CHEM_INILEVELS="91"             # default to 60
 
-AERO_INIEXP="gbst"
+AERO_INIEXP="b27y"
 AERO_INITYPE="fc"
-AERO_INICLASS="rd"
-AERO_INIFC=744
-AERO_INIDATE=2012120100
+AERO_INICLASS="nl"
+AERO_INIFC=24
+AERO_INIDATE=2009123100
+AERO_INILEVELS="91"
 
 #==========================================================
 # Variables to retrieve METEO initial conditions from
@@ -78,15 +79,15 @@ AERO_INIDATE=2012120100
 # contains the right output. Note that MARS can regrid. Q: how flexible is that?
 
 INICLASS=nl
-INIEXPVER="b257"  # Also used for renaming output by get_gems_surface (aerosol sfc emiss), which is called by getgrb only => mot needed, do the renaming in getgrb!
+INIEXPVER="b27y"  # Also used for renaming output by get_gems_surface (aerosol sfc emiss), which is called by getgrb only => mot needed, do the renaming in getgrb!
 INISTREAM="OPER"
-BASEDATE="20130101" 
+BASEDATE="20100101" 
 BASETIME="00" 
-INILEVELS=60
+INILEVELS=91
 
 # model resolution we want to run
 RESOL=255
-LEVELS=60
+LEVELS=91
 GTYPE=l_2
 
 # Get Ozone from the METEO experiment
@@ -179,7 +180,7 @@ NSSALT=1
 LINJ_AER=false
 LVOLC_ALTI=false
 LAERSOA_CHEM=true
-LFIRE=false
+LFIRE=true
 
 # --- NAEAER
 LAERRRTM=false
@@ -213,7 +214,7 @@ WAVE=$( ${LWAM} && echo yes ||  echo no )
 # Variables configuring climate
 #==========================================================
 INICLASS_SST="od"
-CLMSST=yes
+CLMSST=no
 LBCSST=false
 PERSST=true
 FORCE_SST=no

diff --git a/AC-experiments/scripts/lib_icmcl_compo.sh b/AC-experiments/scripts/lib_icmcl_compo.sh
index d273e69..1741877 100644
--- a/AC-experiments/scripts/lib_icmcl_compo.sh
+++ b/AC-experiments/scripts/lib_icmcl_compo.sh
@@ -862,9 +862,9 @@ EOF
             rm InjectionHeight4IFS.grb InjectionHeight4IFShr.grb
         fi
         
-        if $LMCC_COMPO ; then
+        #if $LMCC_COMPO ; then
             cat  bcgf_int  omgf_int sogf_int  >>  aer_fire_emis 
-        fi
+        #fi
 
         rm -f  bcgf bcgf_int omgf omgf_int sogf sogf_int
     fi

diff --git a/AC-experiments/scripts/lib_initcond.sh b/AC-experiments/scripts/lib_initcond.sh
index 8df85cc..22b9e6e 100644
--- a/AC-experiments/scripts/lib_initcond.sh
+++ b/AC-experiments/scripts/lib_initcond.sh
@@ -258,20 +258,17 @@ prep_chem_init (){
gribIDsold=($($SCRIPTDIR/get_tablecol $tablefile_old grib))
gribIDs=($($SCRIPTDIR/get_tablecol $tablefile grib))

- # use aerosol scheme for SO4
- if [[ $LAERCHEM == true ]]; then
- gribso4=$($SCRIPTDIR/get_tablecol -w name=SO4 $tablefile_old grib)
- fi
-
for gribID in ${gribIDsold[*]}
do
chem_ml=$chem_ml/$gribID
done
chemml=$(echo $chem_ml|sed "s;//; ;")

- if [[ $LAERCHEM == true ]]; then 
- chemml=$(echo $chemml|sed "s;$gribso4/;;")
- fi
+ # if [[ $LAERCHEM == true ]]; then 
+ # for now always exclude SO4 from retrieval..
+ gribso4=$($SCRIPTDIR/get_tablecol -w name=SO4 $tablefile_old grib)
+ chemml=$(echo $chemml|sed "s;$gribso4/;;")
+ # fi

$MARS_CMD << EOF
retrieve,type=$typexp,levtype=ml,levelist=1/TO/$iclevels,date=$date_old,
@@ -282,6 +279,18 @@ prep_chem_init (){
expver=$expver,class=$class
EOF

+ # Add missing entry for SO4..
+ if [[ $LAERCHEM == false ]] ; then
+ # Get a zero-fiel
+ gribso4=$($SCRIPTDIR/get_tablecol -w name=SO4 $tablefile_old grib)
+ gribparam=$(printf %03d ${gribso4%.*})
+ gribtable=$(printf %03d ${gribso4#*.})
+ grib_copy -w paramId=210203 $gribfile_chem_final dumm_ic
+ grib_set -s paramId=${gribtable}${gribparam},scaleValuesBy=0.0 dumm_ic dumm_icb
+ cat dumm_icb >> $gribfile_chem_final
+ rm -rf dumm_ic dumm_icb
+ fi
+
# Correct grib number if different table files (ie CHEM_INIVER != CHEM_VER)
# 
# ! NOTE ! Assume that the species are in the same order in both tables!!
@@ -359,6 +368,14 @@ EOF
step=$fclen,param=${aeroml},grid=$grid,gaussian=reduced,target=$gribfile_aero_final,repres=gg,
expver=$expver,class=$class
EOF+                # In case LAERCHEM== false, make sure to include a dummy SO2 field
+                if [[ $LAERCHEM == false ]] ; then
+           info "generate dummy 210012 field (SO2-aer) "
+                  grib_copy -w paramId=210001 $gribfile_aero_final dumm_ic
+                  grib_set  -s paramId=210012,scaleValuesBy=0.0 dumm_ic dumm_icb
+                  cat dumm_icb >> $gribfile_aero_final
+                  rm -rf dumm_ic dumm_icb        
+         fi
                 # Now some further manipulation, to include aerosol sum (48.210) - not needed??
                 # simply get a zero-field?
                 grib_copy -w paramId=210001 $gribfile_aero_final dumm_ic