Chlorthal-dimethyl, 100 µg/ml, Acetonitrile, 5ml

CLP Semi-Volatile Base/Neutral Surrogate Std

Octachlorodibenzofuran,50 µg/mL,n-nonane,1mL,

N-ethylperfluoro-1-octanesulfonamide, 50µg/ml in MeOH, 1,2ml