EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683855 Quizalofop-ethyl, 100 µg/ml, Acetonitrile, 5ml Price on request 94458 Chlorinated Pesticide Mix #1 Price on request MDF-123478 1,2,3,4,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request