Fenthion-sulfoxide, 100 µg/ml, Acetonitrile, 5ml

V, 1000 µg/mL in 2% HNO3, 100ml

Dialy Quality Control Standard (without Internal Standard) 2 Analytes, each Vol.% as listed in isooctane; units: 1x10mL, 5x10mL. Name Vol.% Benzene 0.67 Toluene 5.0 Isooctane 94.33

4-Chloro-2-methylphenol