EPA Method 6020 / 6020A - Mix B Back Catalog number: 53331 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679107 4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml Price on request 96346 Phthalate Standard Price on request 79710 Bentazon, 1000µg/ml in Acetonitrile, 1ml Price on request