EPA 1620 Standard 3 Back Catalog number: 53141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677108 D3-Bifenox, 100 µg/ml, Acetonitrile, 1ml Price on request 73331 2,6,10-Trimethyldodecane Price on request DF-1347-S 1,3,4,7-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request