1,2,3,5-Tetrachlorobenzene, 100 µg/ml, Methanol,

Diisoheptyl phthalate (mixture of C7 isomers),1000 µg/mL,isooctane,1mL,

Sulfur Calibr. Mix. Dibenzothiophene in White oil (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt

2,3,6-Trichlorophenol, 100 µg/ml, Methanol, 5ml