4-Methoxy-2',5'-dichlorobiphenyl,100µg/ml in IO, 1ml

Tris(3,4-dimethylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Pentafluorophenol

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)