Method 6020Mix A Back Catalog number: 59249 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-123478-S 1,2,3,4,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request LA14075000CY epsilon-HCH, 10 ng/µl, 1ml Price on request 94748 4,4’-Methylene bis(2-chloroaniline) Price on request