Tetrachlorvinphos, 10.0 µg/ml, Cyclohexane, 10ml

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

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)

Methyl linolenate C18:3, 10mg/ml in Heptane, 1ml