WS Disinfection By-Products - Cal Check 4

9-Ethylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2294-82-8

beta-Endosulfan, 100 µg/ml, Acetonitrile, 5ml

3,6-Dichloro-2-methoxy-d3-benzoic Acid, 100µg/mL, Solvent-acetone, Unit 1mL, # of units-1, Cas.no. 349553-95-3