D10-Biphenyl, 100 µg/ml, Cyclohexane, 1ml

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)

Dicofol, 100µg/mL in Cyclohexane, 1ml

Etrimfos,100 µg/mL,MeOH,1mL,