EPA Method 531.2 - Analytes Back Catalog number: 34042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679676 13C6-Oxyphenbutazone, 10mg Price on request 2126.12-10-IO Arochlor 1242 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53469-21-9 Price on request 3799.8-100MG 2,3,4,5-Tetramethylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 14503-51-6 Price on request