EPA Method 552.1 - Surrogate Standard Back Catalog number: 31057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50807 ICP Mix #1 Price on request 81414 Malathion, 1000µg/ml in Hexane 1ml Price on request 2594.36-10UG Dinaphtho[8,1,2-abc;8',1',2'-jkl]coronene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 190-47-6 Price on request