EPA Method 548.1 Analyte

2-Perfluorohexyl-[1,1-2H2]-[1,2-13C2]-ethanol (6:2), 50µg/ml in MeOH, 1,2ml

Semi-Volatile Standard

beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,