Heptachlor-endo-epoxide (trans-, isomer A), 10µg/ml in CY, 10ml

Benzotrichloride,1000 µg/mL,isooctane,1mL,

Malaoxon, 100mg

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)