Quinoline Yellow, certified, 0.25g

Parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 56-38-2

Methamidophos, 100 µg/ml, Toluene, 1ml

2',3,4,5,6'-Pentachlorobiphenyl