EPA Method 521 Nitrosamines Back Catalog number: 95327 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90506 Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml Price on request 50094 Metals calibration standard Price on request 2129.12-10-IOX5 Arochlor 1260 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11096-82-5 Price on request