EPA Method 607 - Nitrosamines Back Catalog number: 40012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673295 Fluazifop-butyl, 100 µg/ml, Acetonitrile, 5ml Price on request 50132 Mercury (Hg) Price on request 676313 Prometryn, 10.0 µg/ml, Acetonitrile, 10ml Price on request