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

Daily Quality Control Standard (without Internal Standard) 14 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane

EPA Method 8330 Analyte

Sodium propionate