EPA Method 607 - Nitrosamines Back Catalog number: 40012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71874 2-Isopropylnaphthalene Price on request 54121 Sodium (Na), 1000µg/ml in Water, 100ml Price on request EPA-23CS1-5 EPA Method 23 Calibration Kit, 5 ampoules, nonane Price on request