Napropamide, 100µg/ml in Acetonitrile, 1ml

Valve Timing Calibration Mix (without Internal Standard) 4 Analytes, each Wt.% as listed in isooctane; units: 1x10mL, 5x10mL Name Wt.% Name Wt.% Benzene 5.0 o-Xylene 10.0 Toluene 5.0 Isooctane

4-Bromo-2,3,7,8-tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

1,3-Dinitrobenzene