Metribuzin, 100 µg/mL in MeOH, 1ml

2,2',3,4,4',6,6'-Heptabromodiphenyl ether,50 µg/mL,isooctane,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)

Chlorothalonil, 10.0 µg/ml, Cyclohexane, 10ml