EPA Method 8270A Analytes Back Catalog number: 82706 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680097 D4-2-Chlorophenol, 25mg Price on request 50461 Copper AA Standard (Cu) Price on request 679447 Heptachlor, 100 µg/ml, Methanol, 1ml Price on request