EPA Method 521 Nitrosamines Back Catalog number: 95327 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675030 Naphthalene, 250mg Price on request 9826.X-K-IOX10 Chlorinated paraffins (Cl:40%), technical mix,1000 µg/mL,isooctane,1mL Price on request 675728 Ofurace, 100 µg/ml, Ethyl acetate, 5ml Price on request