Terbuthylazine-desethyl, 100 µg/ml, Acetonitrile,

pH 6.0 Standard @ 25°C

EPA Method 6020/6020A - Mix B

Sodium 1H,1H,2H,2H-[1,2-13C2]perfluorooctylphosphate, 1.2ml x 50ug/ml, methanol