Prothiofos, 10.0 µg/ml, Ethyl acetate, 10ml

Allyl 2,4,6-tribromophenyl ether, 1.2ml x 50ug/ml, toluene

Ethanol standard in water,0.3g/L,water, 3mL

Amber dioxane isomer mixture,500µg/mL,isooctane,1mL