4-Hydroxy-2',3',4',5'-tetrachlorobiphenyl, 10mg

4-Chloro-2-benzylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 120-32-1

S-Metolachlor Metabolite CGA 37735, 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)