2,3,4,6-Tetrachlorophenol, 50mg

Fenson, 10 µg/ml, Cyclohexane, 10ml

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)

Carbofuran D3, 100µg/mL in Acetone, 1ml