zeta-Cypermethrin, 100 µg/ml, Acetone, 1ml

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

Fenbutatin oxide, 100 µg/ml, Methanol, 1ml

Spike Sample Standard 2A (Water)