2,4,7-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Dimethylisophthalate, 1000µg/ml in Isooctane, 5ml

Daily Quality Control Standard (with Internal Standard) 15 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 11 Ethylbenzene

Phosphate (PO4-3) as P