Etofenprox D5 (ethyl D5), 100 ng/µl, 1.1ml

Ethephon D4, 100µg/mL in Acetone, 1ml

Nitrite as NO2-, 1000µg/ml in water, 100ml

2,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene