Sodium perfluoro-1-[2,3,4-13C3]butanesulfonate, 50µg/ml in MeOH, 1,2ml

WS Carbon disulfide, MIBK, Naphthalene

Dibenzo[a,i]pyrene-d14, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 158776-07-9

WS inorganic disinfection by-products, B