Hexachlorobenzene, 100 µg/ml, Methanol, 5ml

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

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

Tris[(2R)-1-chloro-2-propyl] phosphate, 1.2ml x 50ug/ml, toluene