OrganoPhosphorus Pesticide Standard Back Catalog number: 94998 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DPE-74 2,4,4',5-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 79359 Naled Price on request 38025 WS Trihalomethanes Price on request