Heptachlor epoxide Back Catalog number: 79301 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82493 EPA Method 1666Labeled Standard Price on request 11786.10 1,2,3,5,7,8-Hexachloronaphthalene,,,, Price on request B203560 Benzo[k]fluoranthene, 100mg Price on request