EPA Method 8070 - Nitrosamines Back Catalog number: 19222 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1805.12-K-IO 2,2',5,5'-Tetrachlorobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15721-02-5 Price on request 685521 Bifenazate-diazene, 100 µg/ml, Ethyl acetate, 1m Price on request 59033 Inorganic Mix #1 Conc. #1 Price on request