EPA Method 625 Base/Neutrals Mix #2

Benzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 95-15-8

EPA Method 8121 Chlorinated Hydrocarbons

Sodium 1H,1H,2H,2H-perfluorododecane sulfonate (10:2), 50µg/ml in MeOH, 1,2ml