EPA Method 8081A Pesticide Standard A Back Catalog number: 92787 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677937 D12-Benzo[a]pyrene, 10.0 µg/ml, Cyclohexane, 10m Price on request 3PM184 2,2',3,4,4',6,6'-Heptachloro-3'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 72072 n-Tetracosane-d50 Price on request