2,2',5,5'-Tetrachlorobiphenyl-3,4,6-d3

1,2,3,4,6,7-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

Alternate Metals 1

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)