Trifluralin, 100 µg/ml, Ethyl acetate, 5ml

Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL,

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy 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)

Mecoprop-d3, 100µg/ml in Acetone, 1ml