3-Hydroxy-Imidacloprid, 100 µg/ml, Acetonitrile,

10,11-Dihydro-10-hydroxycarbamazepine, 1000μg/ml in MeOH, 1ml

Volatile Standard

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)