Mass-Labelled PCB Solution , 1.2ml x 20ng/ml, nonane

3-Chloro-1,2-propandiol-dibehenate

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

Atrazine-desethyl 100 µg/mL in Acetonitrile, 1ml