EPA Method 507 Pesticide Standard Back Catalog number: 91974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96411 Parabens Mix, 1000µg/ml in MeOH, 1ml Price on request 680074 2,4-Dichloronitrobenzene, 250mg Price on request X9082 Diethyl phthalate Price on request