EPA Method 8240A Sys Perf Check Cmpds Back Catalog number: 82411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79291 4,4’-DDE Price on request 2948.6-100-IO alpha-1,2,3,4,5,6-Hexachlorocyclohexane-d6, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 86194-41-4 Price on request 682028 Deoxynivalenol, 100 µg/ml, Acetonitrile, 1ml Price on request