Pyrene, 100µg/ml in Acetonitrile, 1ml

Diisobutyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,

Propachlor, 1000µg/ml in MeOH, 1ml

2,3,4,5-Tetrachlorophenol