EPA Method 8081A Pesticide Standard A Back Catalog number: 92789 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678445 Nitrofen, 100 µg/ml, Acetonitrile, 1ml Price on request 681209 Halauxifen (free acid), 25mg Price on request C-189N 2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Price on request