beta-Cypermethrin, 100mg

Phenytoin,1000 µg/mL,MeOH,1mL,

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)

Atrazine desethyl, 100µg/mL in MeOH, 1ml