EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 679661 D3-4-Methylaminoantipyrine picrate, 10mg Price on request 79473 Di-n-butyl sulfide as S Price on request 673357 Cycloxydim, 100 µg/ml, Acetonitrile, 5ml Price on request