WS Disinfection By-Products - Cal Check 2

3-Chlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 108-43-0

Esfenvalerate, 100 µg/ml, Acetonitrile, 5ml

2,2',5,5'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane