Metolachlor-OA, 100µg/ml in Acetonitrile, 1ml

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

Multi-Class Pesticide Mix #2

(+/-)-Geosmin-d5,100 µg/mL,MeOH,1mL