Etrimfos, 10 µg/ml, Acetonitrile, 10ml

Alachlor, 100µg/ml in Acetonitrile, 5ml

6-Hydroxy-1-nitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1767-28-8

13C6-Hexachlorobenzene, 100 µg/ml, Cyclohexane,