EPA Method 8270 Additionals Back Catalog number: 94422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677129 Heptachlor endo-epoxide, 10.0 µg/ml, Cyclohexane, Price on request DF-138-S 1,3,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request ZS22102106HP Chloroparaffin C10-C13Mix 6 in n-Heptane, 3 x 1ml Price on request