Clofibrate,1000 µg/mL,MeOH,1mL,

Lead (Pb)

3-Chloro-1,2-propanediol, 100 µg/ml, Methanol, 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)