D10-Parathion-ethyl, 100 µg/ml, Acetone, 1ml

Sodium perfluoro-1-propanesulfonate, 50µg/ml in MeOH, 1,2ml

Haloacetic Acids

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light 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)