EPA Method 507 - Performance Check Solution

4-n-Octylphenol-di-ethoxylate, 10.0 µg/ml, Aceton

Bifenox, 100 µg/ml, Acetonitrile, 5ml

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