EPA Method 505 Analytes Conc

Sodium dodecylbenzenesulfonate, mixture of linear C10-C14, 38% water, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 69669-44-9

Inorganic Drinking Water Kit

Potassium perfluoro(2-ethoxyethane)sulfonate, 50µg/ml in MeOH, 1,2ml