4-Nitrophenol, 10.0 µg/ml, Acetonitrile, 10ml

Internal Standard Spiking Solution, 1.2ml, nonane

Bis(2-ethylhexyl)phthalate, 1g

gamma-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1ml, # of units-1, Cas.no. 58-89-9