1-Chloronaphthalene, 1.2mL x 50ug/mL, nonane

2,5-Hexanedione

Mass-Labelled PCB Solution, 1.2ml x 100ng/ml, nonane

2,2',3,4',6'-Pentachlorobiphenyl (= 2,2',3',4,6-),100 µg/mL,isooctane,1mL,