1,4-Dimethylnaphthalene, 10 µg/ml, Cyclohexane,

Bis(2-ethylhexyl) phthalate-3,4,5,6-d4, 1000µg/mLin isooctane, 1ml

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

4-Chlorobenzoic acid, 250mg