Stock standard

2,2',3,3',4,4',5,5',6-Nonabromobiphenyl, 1.2ml x 50ug/ml, nonane

1,1,2,2-Tetrachloroethane, 1000mg

Valve Timing Calibration Mix (with Internal Standard) 5 Analytes, each Wt.% as listed in isooctane; units: 1x10mL and 5x10mL Name Wt.% Name Wt.% Benzene 4.5 o-Xylene