Profenofos, 100 µg/ml, Cyclohexane, 5ml

4-Chloronitrobenzene, 100 µg/ml, Methanol, 1ml

PCB Congener Internal Standard Mix

iso-Butyl benzyl phthalate (2-Methylpropyl benzyl phthalate), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72170-45-7