EPA Method 551.1 Performance Check Sol’n Back Catalog number: 30115 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73516 2-Methylsulfonyl-4-trifluoromethyl benzoic acid Price on request 678377 2,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Price on request 10006 CLP Semi-Volatiles - Benzidines Price on request