EPA Method 525 Pesticide Standard Back Catalog number: 92134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70041 gamma-BHC, 1000μg/ml in MeOH, 1ml Price on request 685532 S421, 100 µg/ml, Acetonitrile, 5ml Price on request 66141 PCB No. 141, 100µg/ml in Isooctane, 1ml Price on request