EPA Method 525.2 Pesticide Level 3 Back Catalog number: 92844 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678284 Kresoxim (free acid), 10mg Price on request CAR-DNPH Carbonyl Compounds as DNPH, in Acetonitrile, 1ml Price on request 72058 Biphenyl-d10 Price on request