diff --git a/device/PV/beamlinePV/include/pv_beamline_cleanup.cuh b/device/PV/beamlinePV/include/pv_beamline_cleanup.cuh
index 6f58f633b3568895e35749f159c65113d80963f7..6e03895f893994215f5bb69bcd94282094f2062b 100644
--- a/device/PV/beamlinePV/include/pv_beamline_cleanup.cuh
+++ b/device/PV/beamlinePV/include/pv_beamline_cleanup.cuh
@@ -42,6 +42,8 @@ namespace pv_beamline_cleanup {
     Allen::Monitoring::Histogram<>::DeviceType,
     Allen::Monitoring::Histogram<>::DeviceType,
     Allen::Monitoring::Histogram<>::DeviceType,
+    Allen::Monitoring::Histogram<>::DeviceType,
+    Allen::Monitoring::Histogram<>::DeviceType,
     Allen::Monitoring::Histogram<>::DeviceType);
 
   struct pv_beamline_cleanup_t : public DeviceAlgorithm, Parameters {
@@ -65,6 +67,14 @@ namespace pv_beamline_cleanup {
     Allen::Monitoring::Histogram<> m_histogram_pv_x {this, "pv_x", "pv_x", {1000u, -2.f, 2.f}};
     Allen::Monitoring::Histogram<> m_histogram_pv_y {this, "pv_y", "pv_y", {1000u, -2.f, 2.f}};
     Allen::Monitoring::Histogram<> m_histogram_pv_z {this, "pv_z", "pv_z", {2000u, -600.f, 200.f}};
+    Allen::Monitoring::Histogram<> m_histogram_pv_z_only_pp {this,
+                                                             "pv_z_only_pp",
+                                                             "pv_z_only_pp",
+                                                             {2000u, -200.f, 200.f}};
+    Allen::Monitoring::Histogram<> m_histogram_pv_z_only_smog {this,
+                                                               "pv_z_only_smog",
+                                                               "pv_z_only_smog",
+                                                               {2000u, -600.f, -200.f}};
     Allen::Monitoring::Histogram<> m_histogram_n_smogpvs {this, "n_smog2_PVs", "n_smog2_PVs", {10, -0.5f, 9.5f}};
   };
 } // namespace pv_beamline_cleanup
diff --git a/device/PV/beamlinePV/src/pv_beamline_cleanup.cu b/device/PV/beamlinePV/src/pv_beamline_cleanup.cu
index 5f73f43571021fdcb0d0b35bce8520794201d77f..828a89b8c71c21cbc18e2a6a419a02e6241f4f93 100644
--- a/device/PV/beamlinePV/src/pv_beamline_cleanup.cu
+++ b/device/PV/beamlinePV/src/pv_beamline_cleanup.cu
@@ -37,7 +37,9 @@ void pv_beamline_cleanup::pv_beamline_cleanup_t::operator()(
     m_histogram_n_smogpvs.data(context),
     m_histogram_pv_x.data(context),
     m_histogram_pv_y.data(context),
-    m_histogram_pv_z.data(context));
+    m_histogram_pv_z.data(context),
+    m_histogram_pv_z_only_pp.data(context),
+    m_histogram_pv_z_only_smog.data(context));
 }
 
 __device__ void pv_beamline_cleanup::sort_pvs_by_z(PV::Vertex* final_vertices, unsigned n_vertices)
@@ -80,7 +82,9 @@ __global__ void pv_beamline_cleanup::pv_beamline_cleanup(
   Allen::Monitoring::Histogram<>::DeviceType dev_n_smogpvs_histo,
   Allen::Monitoring::Histogram<>::DeviceType dev_pv_x_histo,
   Allen::Monitoring::Histogram<>::DeviceType dev_pv_y_histo,
-  Allen::Monitoring::Histogram<>::DeviceType dev_pv_z_histo)
+  Allen::Monitoring::Histogram<>::DeviceType dev_pv_z_histo,
+  Allen::Monitoring::Histogram<>::DeviceType dev_pv_z_only_pp_histo,
+  Allen::Monitoring::Histogram<>::DeviceType dev_pv_z_only_smog_histo)
 {
 
   __shared__ unsigned tmp_number_vertices[1];
@@ -121,6 +125,10 @@ __global__ void pv_beamline_cleanup::pv_beamline_cleanup(
       if (-200 < vertex1.position.z && vertex1.position.z < 200) {
         dev_pv_x_histo.increment(vertex1.position.x);
         dev_pv_y_histo.increment(vertex1.position.y);
+        dev_pv_z_only_pp_histo.increment(vertex1.position.z);
+      }
+      if (-600 < vertex1.position.z && vertex1.position.z <= -200) {
+        dev_pv_z_only_smog_histo.increment(vertex1.position.z);
       }
 
       if (vertex1.position.z < BeamlinePVConstants::Common::SMOG2_pp_separation) atomicAdd(tmp_number_SMOG_vertices, 1);