Trichloroacetic acid, 100 µg/ml, Acetonitrile, 1

Paraoxon-methyl, 10.0 µg/ml, Ethyl acetate, 10ml

3-Ethylthiophenol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 62154-77-2

PCB 30, 10µg/ml in Cyclohexane, 5ml