diff --git a/run/macros/NewSpec.C b/run/macros/NewSpec.C
index c6484cb..510c6eb 100644
--- a/run/macros/NewSpec.C
+++ b/run/macros/NewSpec.C
@@ -501,7 +501,9 @@ void NewSpec::TBLRCoinIO( Bool_t   FigFlag, Double_t eCut )
 //       if (ientry < 0) break;
       nb = fChain->GetEntry(jentry); nbytes += nb;
 //       fChain->GetEntry(jentry);
-
+      
+//      if (muDecayPosZ>16.9&&muDecayPosZ<17.1) continue; //muons decaying outside of sample plane (in the radiation shield etc)
+      
       // FILL IN HISTOGRAMS
       hEdepositCF->Fill(save_ke[0]/1000.);
       hBeamSpot->Fill(save_x[0], save_y[0]);