Bromophos-ethyl, 100 µg/ml, Acetonitrile, 1ml

1,3,6,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Fermentation standard Mix, in Water, 1ml

Thiacloprid, 100µg/mL in Acetonitrile, 1ml