EPA Method 8100 - Surrogate Standard Back Catalog number: 81002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1196.24-100MG 5ß(H)-Cholanic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 546-18-9 Price on request 3474.6-100-AN Quintozene Price on request 0239.20-10MG Benzo[a]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 50-32-8 Price on request