EPA Method 353.2 Nitrate & Nitrite Back Catalog number: 52120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673349 Metazachlor, 100 µg/ml, Acetonitrile, 5ml Price on request 673494 Buprofezin, 10 µg/ml, Ethyl acetate, 10ml Price on request 38381 1,4-Dioxane in Water (PT) Price on request