EPA Method 8240A Sys Perf Check Cmpds Back Catalog number: 82411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10737.12-100-IO 2,2',3,5,5',6-Hexachlorobiphenyl Price on request 681809 Valifenalate, 100 µg/ml, Acetonitrile, 1ml Price on request 91009 (Use Part# 70387) Famphur Price on request