Battelle Memorial Institute's Hazardous Materials Research Center has conducted extensive testing of COTS candidates for the IPCS, conducting laboratory testing with CA and supporting field tests with simulant on the candidate samplers. In a prior study the HMRC evaluated the feasibility of collecting and analyzing chemical agents on three candidate COTS IPCS using an ATD-400 and a GC-FPD. Based on that testing the P-E sampler was dropped because sufficient agent ...