Propachlor, 100μg/ml in Acetonitrile, 5ml

2-n-Nonylphenol-di-ethoxylate, 100 µg/ml, Acetone

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)

1,3,5-Trimethylbenzene