EPA Method 551 Analytes Back Catalog number: 32095 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79310 Propachlor Price on request 680367 Chrysene, 100 µg/ml, Acetonitrile, 1ml Price on request 64681 Malathion, 100µg/ml in MeOH, 1ml Price on request