EPA Method 622/8140 - Analytes Back Catalog number: 93126 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19097 EPA Method 602 - Surrogate Standard Price on request 70421 Urethane, 1000µg/ml in MeOH, 1ml Price on request M4M120 2,3',4,5,5'-Pentachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request