VOC-Mix 21, 200 ng/µl, 1ml

1,3,6,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2-Methylphenanthrene

1-Chloro-2,4-dinitrobenzene, 1000µg/ml in MeOH, 1ml