Purgeable Halocarbons Back Catalog number: 93790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20035 CLP Program - Acid Surrogate Standard Price on request 680566 Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile, Price on request 31382 EPA Method 507 Nitrogen Phosphorus Pesticides Price on request