Methoxychlor (13C12), 100µg/ml in Nonane, 1,2ml

2,3-Dibromo-7,8-dichlorodibenzofuran, 1.2ml x 50ug/ml, toluene

2-Chlorophenol, 500mg

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)