EPA Method 8081A Pesticide Standard B Back Catalog number: 92790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677411 Heptylphenol (technical), 25mg Price on request 94476 Piperonyl butoxide Price on request 673692 Pyriproxyfen, 100 µg/ml, Ethyl acetate, 5ml Price on request