EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681194 Nonanoic acid, 1ml Price on request 676418 Methiocarb, 100mg Price on request 10266.12-50-IO 3,3’,4,4’-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 77102-82-0 Price on request