EPA Method 531.1 - Analytes Back Catalog number: 30042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66208 2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl (208) Price on request 1569.18-K-ME Norcodeine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 467-15-2 Price on request 1607.13-10MG 4-Fluorodiphenylmethane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 587-79-1 Price on request