EPA Method 551.1 Standard Back Catalog number: 94519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91349 Aroclor 1232 Price on request 673973 4-Nitrophenol, 10.0 µg/ml, Acetonitrile, 10ml Price on request 9812.2-K-ME 2-Nitroaminoethanol, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no. 74386-82-6 Price on request