EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BB-38 3,4,5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 3499.22-100-AN Resmethrin Price on request 678596 Clodinafop free acid, 100 µg/ml, Acetonitrile, 1 Price on request