EPA Method 551 “Mix B” Back Catalog number: 30395 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 40059 EPA Method 645 Analytes Price on request MDF-2378 2,3,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 673955 gamma-HCH, 100 µg/ml, Cyclohexane, 5ml Price on request