2-Nitrotoluene, 100 µg/ml, Methanol, 5ml

Chlorthion, 10.0 µg/ml, Ethyl acetate, 10ml

3-Methylcholanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 56-49-5

Direct Black 38