diff --git a/nersc/setup_td_int.sh b/nersc/setup_td_int.sh
index a9cfb3f..50dcf9d 100644
--- a/nersc/setup_td_int.sh
+++ b/nersc/setup_td_int.sh
@@ -132,13 +132,25 @@ fi
 export SNANA_DIR="$TD_SOFTWARE/SNANA"
 export PYTHONPATH=$PYTHONPATH:$SNANA_DIR/src
 
-export SNDATA_ROOT="/pscratch/sd/d/desctd/cfs_mirror/SNDATA_ROOT"
+export CFS_MIRROR=/pscratch/sd/d/desctd/cfs_mirror
+
+export SNDATA_ROOT=$CFS_MIRROR/SNANA/SNDATA_ROOT
+
 export SNANA_TESTS="$TD_SN/SNANA/SNANA_TESTS"
 export SNANA_SURVEYS="$TD_SN/SNANA/SURVEYS"
 
-export SNANA_LSST_ROOT="/pscratch/sd/d/desctd/cfs_mirror/SNANA_LSST_ROOT"
+export SNANA_LSST_ROOT=$CFS_MIRROR/SNANA/SURVEYS/LSST/ROOT
 export SNANA_LSST_ROOT_LEGACY="/global/cfs/cdirs/lsst/groups/TD/SN/SNANA/SURVEYS/LSST/ROOT"
 export SNANA_LSST_USERS="$SNANA_SURVEYS/LSST/USERS"
+
+export PLASTICC_ROOT=$SNANA_LSST_ROOT/PLASTICC
+export PLASTICC_MODELS=$SNANA_LSST_ROOT/PLASTICC/model_libs
+
+export ELASTICC_ROOT=$SNANA_LSST_ROOT/ELASTICC
+export ELASTICC_HOSTLIB=$ELASTICC_ROOT/HOSTLIB/HOSTLIBS/ONE_YR
+export ELASTICC_WGTMAP=$ELASTICC_ROOT/HOSTLIB/WGTMAPS
+
+
 case $NERSC_HOST in
     "perlmutter")
         : # settings for Perlmutter