Sodium perfluoroethanesulfonate, 50µg/ml in MeOH, 1,2ml

6,7-Diethyl-1,1,4,4-tetramethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 55741-10-1

2,3,3',4,5,5'-Hexachlorobiphenyl-2',4',6'-d3,100 µg/mL,isooctane,1mL

EPA Method 8081A Pesticides QC Mix