EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-123468-S 1,2,3,4,6,8-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request X9159 Aroclor 1016 Price on request 2052.8-K-IOX5 4-Ethylphenol-2,3,5,6-d4, OD, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-5, Cas.no. 340256-40-8 Price on request