Acenaphthylene, 100 µg/ml, Cyclohexane, 1ml

4,4'-DDE, 100 µg/ml, Toluene, 5ml

Citric acid [0.2% wt]

Butachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23184-66-9