2,3-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Heptachlor-exo-epoxide, 100 µg/ml, Acetonitrile,

cis-Dibromocypermethric acid, 100µg/ml in Acetonitrile, 1ml

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