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

Sulfur Standard: S @ 10 µg/g (0.0010 wt%) in #2 Diesel Fuel, 100ml

Whiskey lactone

2-Methylbenzofuran, 1000µg/ml in Acetone, 1ml