alpha-Tocopheryl acetate, 500mg

Clopyralid, 10.0 µg/ml, Acetonitrile, 10ml

2,2',5,5'-Tetrabromo[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

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)