2,3,8-Trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

4-Fluoro-3-phenoxybenzoic acid, 100µg/ml in MeOH, 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

n-Butyl acetate