EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673768 Crimidine, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 9313.12-100-IO 2,3,3'-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38444-84-7 Price on request C20990600 6-Hydroxychrysene, 10mg Price on request