diff --git a/sbndcode/JobConfigurations/base/detsim_drops.fcl b/sbndcode/JobConfigurations/base/detsim_drops.fcl
index 5a144d8bc..4b01adc86 100644
--- a/sbndcode/JobConfigurations/base/detsim_drops.fcl
+++ b/sbndcode/JobConfigurations/base/detsim_drops.fcl
@@ -18,10 +18,8 @@
 BEGIN_PROLOG
 
 detsim_drops: [ @sequence::g4_drops
-                , "drop sim::SimPhotonsLites_*_*_*"
                 , "drop sim::SimPhotons_*_*_*" 
                 , "drop sim::SimEnergyDeposits_ionandscintout__*"
-                , "drop sim::SimEnergyDeposits_ionandscint_*_*"
                 , "drop sim::SimEnergyDeposits_largeant_*_*"]
 
 END_PROLOG
diff --git a/sbndcode/JobConfigurations/standard/detsim/detector_variations/CMakeLists.txt b/sbndcode/JobConfigurations/standard/detsim/detector_variations/CMakeLists.txt
index 13355789a..9763efce2 100644
--- a/sbndcode/JobConfigurations/standard/detsim/detector_variations/CMakeLists.txt
+++ b/sbndcode/JobConfigurations/standard/detsim/detector_variations/CMakeLists.txt
@@ -1 +1,2 @@
 install_fhicl()
+add_subdirectory(pmt_variations)
\ No newline at end of file
diff --git a/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/CMakeLists.txt b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/CMakeLists.txt
new file mode 100644
index 000000000..eca2a52d6
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/CMakeLists.txt
@@ -0,0 +1 @@
+install_fhicl()
\ No newline at end of file
diff --git a/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct.fcl b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct.fcl
new file mode 100644
index 000000000..6db651633
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct.fcl
@@ -0,0 +1,2 @@
+#include "detsim_detvar_PDSonly.fcl"
+physics.producers.opdaq.GainFluctuationsParams.DynodeK: 0.25
\ No newline at end of file
diff --git a/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct_HighNoise.fcl b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct_HighNoise.fcl
new file mode 100644
index 000000000..3c7350910
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct_HighNoise.fcl
@@ -0,0 +1,3 @@
+#include "detsim_detvar_PDSonly.fcl"
+physics.producers.opdaq.GainFluctuationsParams.DynodeK: 0.25
+physics.producers.opdaq.PMTBaselineRMS: 3.5
\ No newline at end of file
diff --git a/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct_HighNoise_LowEff.fcl b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct_HighNoise_LowEff.fcl
new file mode 100644
index 000000000..60f476123
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct_HighNoise_LowEff.fcl
@@ -0,0 +1,9 @@
+#include "detsim_detvar_PDSonly.fcl"
+physics.producers.opdaq.GainFluctuationsParams.DynodeK: 0.25
+physics.producers.opdaq.PMTBaselineRMS: 3.5
+physics.producers.opdaq.PMTCoatedVUVEff_tpc0: 0.021
+physics.producers.opdaq.PMTCoatedVISEff_tpc0: 0.02329
+physics.producers.opdaq.PMTUncoatedEff_tpc0: 0.0225
+physics.producers.opdaq.PMTCoatedVUVEff_tpc1: 0.018
+physics.producers.opdaq.PMTCoatedVISEff_tpc1: 0.02329
+physics.producers.opdaq.PMTUncoatedEff_tpc1: 0.0225
\ No newline at end of file
diff --git a/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct_LowEff.fcl b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct_LowEff.fcl
new file mode 100644
index 000000000..2b7f185e2
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTGainFluct_LowEff.fcl
@@ -0,0 +1,8 @@
+#include "detsim_detvar_PDSonly.fcl"
+physics.producers.opdaq.GainFluctuationsParams.DynodeK: 0.25
+physics.producers.opdaq.PMTCoatedVUVEff_tpc0: 0.021
+physics.producers.opdaq.PMTCoatedVISEff_tpc0: 0.02329
+physics.producers.opdaq.PMTUncoatedEff_tpc0: 0.0225
+physics.producers.opdaq.PMTCoatedVUVEff_tpc1: 0.018
+physics.producers.opdaq.PMTCoatedVISEff_tpc1: 0.02329
+physics.producers.opdaq.PMTUncoatedEff_tpc1: 0.0225
\ No newline at end of file
diff --git a/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTHighNoise.fcl b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTHighNoise.fcl
new file mode 100644
index 000000000..0ef293363
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTHighNoise.fcl
@@ -0,0 +1,2 @@
+#include "detsim_detvar_PDSonly.fcl"
+physics.producers.opdaq.PMTBaselineRMS: 3.5
\ No newline at end of file
diff --git a/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTHighNoise_LowEff.fcl b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTHighNoise_LowEff.fcl
new file mode 100644
index 000000000..92277845c
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTHighNoise_LowEff.fcl
@@ -0,0 +1,8 @@
+#include "detsim_detvar_PDSonly.fcl"
+physics.producers.opdaq.PMTBaselineRMS: 3.5
+physics.producers.opdaq.PMTCoatedVUVEff_tpc0: 0.021
+physics.producers.opdaq.PMTCoatedVISEff_tpc0: 0.02329
+physics.producers.opdaq.PMTUncoatedEff_tpc0: 0.0225
+physics.producers.opdaq.PMTCoatedVUVEff_tpc1: 0.018
+physics.producers.opdaq.PMTCoatedVISEff_tpc1: 0.02329
+physics.producers.opdaq.PMTUncoatedEff_tpc1: 0.0225
\ No newline at end of file
diff --git a/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTLowEff.fcl b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTLowEff.fcl
new file mode 100644
index 000000000..37b1a4322
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detector_variations/pmt_variations/standard_detsim_sbnd_PMTLowEff.fcl
@@ -0,0 +1,7 @@
+#include "detsim_detvar_PDSonly.fcl"
+physics.producers.opdaq.PMTCoatedVUVEff_tpc0: 0.021
+physics.producers.opdaq.PMTCoatedVISEff_tpc0: 0.02329
+physics.producers.opdaq.PMTUncoatedEff_tpc0: 0.0225
+physics.producers.opdaq.PMTCoatedVUVEff_tpc1: 0.018
+physics.producers.opdaq.PMTCoatedVISEff_tpc1: 0.02329
+physics.producers.opdaq.PMTUncoatedEff_tpc1: 0.0225
\ No newline at end of file
diff --git a/sbndcode/JobConfigurations/standard/detsim/detsim_detvar.fcl b/sbndcode/JobConfigurations/standard/detsim/detsim_detvar.fcl
new file mode 100644
index 000000000..a7017ddb8
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detsim_detvar.fcl
@@ -0,0 +1,3 @@
+#include "standard_detsim_sbnd.fcl"
+
+process_name: DetSimVar
diff --git a/sbndcode/JobConfigurations/standard/detsim/detsim_detvar_PDSonly.fcl b/sbndcode/JobConfigurations/standard/detsim/detsim_detvar_PDSonly.fcl
new file mode 100644
index 000000000..82cf34122
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/detsim/detsim_detvar_PDSonly.fcl
@@ -0,0 +1,23 @@
+#include "standard_detsim_sbnd.fcl"
+
+process_name: DetSimVar
+
+physics:
+{
+
+producers:
+	{
+rns:       { module_type: "RandomNumberSaver" }
+opdaq:     @local::sbnd_opdetdigitizer
+	}
+
+#define the producer and filter modules for this path, order matters,
+simulate: [rns, opdaq]
+
+#define the output stream, there could be more than one if using filters
+				 stream1:   [ out1 ]
+
+#ie analyzers and output streams.  these all run simultaneously
+				 end_paths: [stream1]
+}
+
diff --git a/sbndcode/JobConfigurations/standard/scrubs/scrub_PDS_detsim_reco1.fcl b/sbndcode/JobConfigurations/standard/scrubs/scrub_PDS_detsim_reco1.fcl
new file mode 100644
index 000000000..58cf39a24
--- /dev/null
+++ b/sbndcode/JobConfigurations/standard/scrubs/scrub_PDS_detsim_reco1.fcl
@@ -0,0 +1,33 @@
+# This fcl purely removes products made in opdaq & Reco1 processes.
+# This allows for keeping the identical simulated event on the file and running
+# a variation of PDS.
+#
+# Author Linyan Wan (lwan@fnal.gov)
+
+#include "rootoutput_sbnd.fcl"
+#include "sam_sbnd.fcl"
+
+process_name: Scrub
+
+source:
+{
+  module_type:   RootInput
+  inputCommands: [ "keep *_*_*_*",
+                   "drop *_opdaq_*_*",
+                   "drop *_*_*_Reco1" ]
+}
+
+outputs:
+{
+  out1:
+  {
+    @table::sbnd_rootoutput
+    dataTier: "simulated"
+  }
+}
+
+physics:
+{
+  stream1:   [ out1 ]
+  end_paths: [ stream1 ]
+}