Simazine (ring-13C3), 100ug/ml in MeOH, 1,2ml

Chlormequat-chloride D4, 100µg/mL in DO, 1ml

1,2,3,6,7,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Ethanol and Methanol - RCRA