EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9673.21-100-T Glycidyl linoleate Price on request 1773.12-K-IO 4,4'-Diaminobiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 92-87-5 Price on request C-090N 2,2',3,4',5-Pentachlorobiphenyl, 5mg Price on request