EPA Method 8260 Internal Standard - Revised

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

Benzo(e)pyrene, 10µg/ml in Cyclohexane, 10ml

Simazine, 100µg/ml in Methanol, 1ml