Heptenophos, 100 µg/ml, Toluene, 1ml

Methanol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 67-56-1

3,3',4,4',5-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 57465-28-8

PCB No. 21, 100µg/ml in Isooctane, 1ml