Diflufenican, 100 µg/ml, Acetonitrile, 5ml

Profenofos, 10.0 µg/ml, Cyclohexane, 10ml

1-/3-Nitrobenzo[a]pyrene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 70021-99-7/70021-98-6

1,2,4,5-Tetramethylbenzene