diff --git a/event_gen/nuis_genev_genie b/event_gen/nuis_genev_genie
index 7c310c1..7f06d53 100644
--- a/event_gen/nuis_genev_genie
+++ b/event_gen/nuis_genev_genie
@@ -1,179 +1,193 @@
 #!/bin/bash
 
 set -e
 
 if [ -z ${NUISANCE} ]; then
   echo "[ERROR]: We need to be in a NUISANCE environment (\$NUISANCE should be set)."
   exit 1
 fi
 
 PROBE="14"
 FLUX=""
 TARG=""
 NEVENTS=""
 OUPNAME=""
+ENERGY_RANGE="0.1,20"
 
 while [[ ${#} -gt 0 ]]; do
 
   key="$1"
   case $key in
 
       -p|--probe)
 
       if [[ ${#} -lt 2 ]]; then
         echo "[ERROR]: ${1} expected a value."
         exit 1
       fi
 
       PROBE="$2"
       echo "[OPT]: Using Probe PDG: ${PROBE}"
       shift # past argument
       ;;
 
       -t|--target)
 
       if [[ ${#} -lt 2 ]]; then
         echo "[ERROR]: ${1} expected a value."
         exit 1
       fi
 
       TARG="$2"
       echo "[OPT]: Using target declaration: ${TARG}"
       shift # past argument
       ;;
 
       -f|--flux)
 
       if [[ ${#} -lt 2 ]]; then
         echo "[ERROR]: ${1} expected a value."
         exit 1
       fi
 
       FLUX="$2"
       echo "[OPT]: Using flux declaration: ${FLUX}"
       shift # past argument
       ;;
 
       -n|--nevents)
 
       if [[ ${#} -lt 2 ]]; then
         echo "[ERROR]: ${1} expected a value."
         exit 1
       fi
 
       NEVENTS="$2"
       echo "[OPT]: Throwing ${NEVENTS} events."
       shift # past argument
       ;;
 
       -o|--output-file)
 
       if [[ ${#} -lt 2 ]]; then
         echo "[ERROR]: ${1} expected a value."
         exit 1
       fi
 
       OUPNAME="$2"
       echo "[OPT]: Writing to file: ${OUPNAME}"
       shift # past argument
       ;;
 
+      -e|--energy-range)
+
+      if [[ ${#} -lt 2 ]]; then
+        echo "[ERROR]: ${1} expected a value."
+        exit 1
+      fi
+
+      ENERGY_RANGE="$2"
+      echo "[OPT]: Using neutrino energy range: ${ENERGY_RANGE}"
+      shift # past argument
+      ;;
+
     -?|--help)
               # unknown option
       echo "Arguments:"
       echo -e "\tRequired:"
       echo -e "\t  -t|--target <target declaration>   : e.g. \"CH\""
       echo -e "\t  -f|--flux <file.root,histoname>    : hint: use nuis_get_flux_descriptor for a simple interface."
       echo -e "\t  -n|--nevents <#num events>"
       echo -e "\tOptional:"
       echo -e "\t  -p|--probe <neutrino pdg>          : defaults to 14"
       echo -e "\t  -o|--output-file <output.root>     : defaults to GENIE.<probepdg>.<flux_file>.<flux_hist>.<seed>.ghep.root"
+      echo -e "\t  -e|--energy-range [min,max]        : Energy cuts in GeV, defaults to 0.1,10 GeV"
       echo -e ""
       echo -e "\t  -?|--help"
       exit 0
       ;;
 
 
       *)
               # unknown option
       echo "Unknown option $1"
       exit 1
       ;;
   esac
   shift
 done
 
 
 if [ -z ${FLUX} ]; then
   echo "Please pass a flux declaration with the -f flag."
   exit 2
 fi
 
 if [ -z ${NEVENTS} ]; then
   echo "Please pass a number of events to generate with the -n flag."
   exit 2
 fi
 
 OLDIFS=${IFS}
 IFS=","
 set -- ${FLUX}
 IFS=${OLDIFS}
 
 FLUX_FILE=${1}
 FLUX_HIST=${2}
 
 if [ -z {$FLUX_FILE} ] || [ -z {$FLUX_HIST} ]; then
   echo -e "Please pass a flux declaration with the -f flag in the form \"-f file.root,histo_name\""
   exit 2
 fi
 
 FLUX_FILE_NAME=${FLUX_FILE##*/}
 if [ ! -e ./${FLUX_FILE} ]; then
   cp ${FLUX_FILE} ./
 fi
 
 SEED=${RANDOM}
 
 if [ -z ${OUPNAME} ]; then
   OUPNAME=${GEN}.nu${PROBE}.${SEED}.${FLUX_HIST}.${FLUX_FILE_NAME%%.root}.root
 fi
 
 if [ -e ${OUPNAME} ]; then
    echo "Already have file: ${OUPNAME}, not overwriting."
    exit 1
 fi
 
 TARG=$(nuis_get_GENIE_target_descriptor ${TARG})
 
 if [ -z ${GENIE_XSEC_FILE} ]; then
   echo "Environment not set up correctly, GENIE_XSEC_FILE is empty"
   exit 1
 fi
 if [ -z ${GENIE_XSEC_TUNE} ]; then
   echo "Environment not set up correctly, GENIE_XSEC_TUNE is empty"
   exit 1
 fi
 
 gevgen \
  -p ${PROBE} -t ${TARG} \
- -r ${SEED} -e 0.1,10 \
+ -r ${SEED} -e ${ENERGY_RANGE} \
  -f ${FLUX_FILE},${FLUX_HIST} \
  -n ${NEVENTS} --seed ${SEED} \
  --cross-sections ${GENIE_XSEC_FILE} \
  --tune ${GENIE_XSEC_TUNE} \
  --event-generator-list Default \
  --message-thresholds Messenger_whisper.xml
 
 if [ -e gntp.${SEED}.ghep.root ]; then
    rm -f input-flux.root
    rm -f genie-mcjob-${SEED}.status
 
    mv gntp.${SEED}.ghep.root ${OUPNAME}
    PrepareGENIE -i ${OUPNAME} \
                -f ${FLUX_FILE},${FLUX_HIST} \
                -t ${TARG}
 else
    echo "Failed to produce expected output file: gntp.${SEED}.ghep.root"
    exit 1
 fi
 
diff --git a/event_gen/nuis_get_GENIE_target_descriptor b/event_gen/nuis_get_GENIE_target_descriptor
index dc00d02..b26c4ab 100755
--- a/event_gen/nuis_get_GENIE_target_descriptor
+++ b/event_gen/nuis_get_GENIE_target_descriptor
@@ -1,32 +1,34 @@
 #!/bin/bash
 
 TARG=${1}
 
 if [ -z "${TARG}" ]; then
   echo "[ERROR]: Please pass target materical descriptor, e.g. CH"
   exit 1
 fi
 
 if [ "${TARG}" = "H" ]; then
   echo "1000010010[1]"
 elif [ "${TARG}" = "D" ]; then
   echo "1000010020[1]"
 elif [ "${TARG}" = "C" ]; then
   echo "1000060120[1]"
 elif [ "${TARG}" = "CH" ]; then
   echo "1000060120[.923076],1000010010[.076924]"
 elif [ "${TARG}" = "CH2" ]; then
   echo "1000060120[.8571],1000010010[.14285]"
 elif [ "${TARG}" = "O" ]; then
   echo "1000060120[1]"
 elif [ "${TARG}" = "H2O" ]; then
   echo "1000080160[.888888],1000010010[.111112]"
+elif [ "${TARG}" = "Cl" ]; then
+  echo "1000170350[1]"
 elif [ "${TARG}" = "Ar" ]; then
   echo "1000180400[1]"
 elif [ "${TARG}" = "Fe" ]; then
   echo "1000260560[1]"
 elif  [ "${TARG}" = "Pb" ]; then
   echo "1000822080[1]"
 else
   echo "[ERROR]: Invalid target material: \"${TARG}\" for NEUT." 
 fi
\ No newline at end of file