EPA Method 8081A Pesticide Standard B Back Catalog number: 92788 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58005 Boron (B) Price on request 673691 Pyriproxyfen, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 681475 N,N-Dimethylsulfamide, 10.0 µg/ml, Acetonitrile, Price on request