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

2,3,7,8-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

Etrimfos,100 µg/mL,MeOH,1mL,

2-Hydroxy-2',3',5,5',6'-pentachlorobiphenyl, 10mg