Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 82406 EPA Method 8240A Mix #7 - Amines Price on request 673489 Bromophos-methyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 52146 Method 1640Mix A Price on request