EPA Method 8081A Pesticide Standard B Back Catalog number: 92790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C20000400 PCB No. 4, certified, 25mg Price on request 52121 ICP-MS Memory Check Solution B Price on request M305441-2.5MG 2-Methylfuran-d3 (>90%), 2,5mg Price on request