EPA Method 551.1 Surrogate Standard Back Catalog number: 31102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94312 Chlorinated Pesticides Standard Price on request 681886 Fluorodifen, 100 µg/ml, Ethyl acetate, 5ml Price on request 32595 1,1-Dichloropropanone-2 Price on request