Heptachlor, 100 µg/ml, Acetonitrile, 1ml

7H-Benzo[c]carbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-25-4

3,3',4-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-69-6

Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane