EPA Method 645 Analytes Back Catalog number: 40059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683844 Iprobenfos, 100 µg/ml, Acetonitrile, 5ml Price on request S-4016-ASS-025IO Whole Oil Control Mixture 2 Relative ratios Chiron No. Name CAS No. by weight: 1300.6 Benzene [71-43-2] 1.5 1305.7 3, Price on request 16005-100ME5 Nitrosamines - Mix 9, 100μg/ml in MeOH, 5ml Price on request