EPA Method 504.1 - 524.2 Analytes Back Catalog number: 96656 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679459 4,4'-DDE, 100 µg/ml, Methanol, 1ml Price on request 52357 CLP ICP-MS / ICV Standard Price on request 678082 Bromophos-methyl, 100 µg/ml, Acetonitrile, 1ml Price on request