2,4'-DDT D8, 5mg

4-n-Nonylphenol, 100 µg/ml, Acetonitrile, 1ml

alpha,alpha-Dimethylphenethyl acetate, 1g

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)