Silica (SiO2), 1000µg/ml in Water/0.5% NaOH, 100ml

Etridiazole, 10.0 µg/ml, Cyclohexane, 10ml

2,6-Dichlorobenzo dichloride,1000 µg/mL,isooctane,1mL,

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane