Valeraldehyde, 1000µg/ml in Water, 1ml

Thiobencarb, 100 µg/ml, Ethyl acetate, 5ml

Propazine-2-hydroxy, 100µg/ml in Acetonitrile, 5ml

N-Nitrosodiisopropylamine,100 µg/mL,MeOH,1mL,