diff --git a/Armory/ClassReactionConfig.h b/Armory/ClassReactionConfig.h
index c8e1f72..5a16f9a 100644
--- a/Armory/ClassReactionConfig.h
+++ b/Armory/ClassReactionConfig.h
@@ -226,10 +226,9 @@ inline bool ReactionConfig::LoadReactionConfig(TMacro * macro){
       if( recoilLine == 6 ) recoil[ID].decayZ  = atoi(str[0].c_str());
 
       if( recoilLine > 6 && str.size() == 4) {
+        if( str[0].find('#') != std::string::npos) continue;
         if( str[0] == "IAEA"){
-          
-          exList[ID].Clear();
-          
+                    
           recoil[ID].heavyA = beamA + targetA - recoil[ID].lightA;
           recoil[ID].heavyZ = beamZ + targetZ - recoil[ID].lightZ;
           printf(">>>>>>>>>>>>> Retrieving Ex data from IAEA website....\n");
diff --git a/working/reactionConfig.txt b/working/reactionConfig.txt
index 0bb1ab1..caa4036 100644
--- a/working/reactionConfig.txt
+++ b/working/reactionConfig.txt
@@ -35,9 +35,12 @@ false           //isDacay
 14               //decayNucleus_Z
 #--- List of Ex of heavy recoil
 #---Ex   relative_xsec   SF   sigma_in_MeV
-0.000    1.0     1.0    0.01
-1.000    1.0     1.0    0.01
-2.000    1.0     1.0    0.01
+#--- for IAEA, 2nd col, can be : +, -. known, +all, -all, all
+#0.000    1.0     1.0    0.01
+#1.000    1.0     1.0    0.01
+#2.000    1.0     1.0    0.01
+12.000    1.0     1.0    0.01
+IAEA      +       10     0.01
 
 #==================_reaction_for_2nd_Array_use_ony_when_2nd_array_used
 3               //recoil_light_A