Semi-Volatile Internal Standard

6-n-Propylchrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 6910-41-4

2-Chlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Chlorothalonil, 10.0 µg/ml, Cyclohexane, 10ml