EPA Method 521 Nitrosamines Back Catalog number: 95327 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70432 1,3-Dichloro-2-propanol Price on request 79738 Chloral hydrate, 1000µg/ml in Acetonitrile, 1ml Price on request 676710 D5-threo-Chloramphenicol, 100 µg/ml, Acetone, 1m Price on request