Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95084 Oxygenates Standard Price on request 676238 Chlorpropham, 100 µg/ml, Acetonitrile, 1ml Price on request 19232 EPA Consent Decree Water Protocol Price on request