Ethanol standard in serum,2.0g/L,serum, 1.5mL

2,3,7-Trichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

3-Bromoaniline, 1000mg

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)