DMST, 100 µg/ml, Cyclohexane, 5ml

2,3,4,4'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

3,4-Dihydroxyphenylglycolaldehyde (Dopegal), 1mg

Propachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml