EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673385 Metolcarb, 100 µg/ml, Acetonitrile, 5ml Price on request 9018.7-K-AN N-Nitrosomethylphenylamine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 614-00-6 Price on request 41316 Indeno(1,2,3-cd)pyrene, 100µg/ml in Acetonitrile, 1ml Price on request