2,2',4,5,5'-Petanchlorobiphenyl-3',4',6'-d3

Metazachlor Metabolite 479M11, 10mg

Parathion methyl

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)