EPA Method 525 - Pesticide Standard Back Catalog number: 30127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C14283760 Imidacloprid-olefin, certified, 10mg Price on request 71057 1,2-Difluorotetrachloroethane Price on request 3347.14-100-CY Coumaphos Price on request