EPA Method 515.1 Surrogate Standard Back Catalog number: 30022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1492.18-10MG 1-Hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63019-38-5 Price on request 675926 D3-TFNG-OMe, 5mg Price on request PFRS-024S Tris(2-chloroethyl) phosphate, 100µg/ml in TO, 1ml Price on request