Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 11738.12-100-IO 2,2',3,3',6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 70939 MCPP methyl derivative Price on request 81201 EPA Method 8120 - Chlorinated Hydrocarbons Price on request