Surrogate Standard

2,3,5,6-Tetrachlorophenol, 1000µg/ml in MeChl, 1ml

trans-1,2-Dichloroethene

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)