Dibromochlordene, 1.2ml x 50ug/ml, toluene

4-(tert-Octyl)phenol, 1000µg/ml in MeOH, 1ml

PAH - Mix 6, 100µg/ml in Cyclohexane, 5ml

2,3,3',4,5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane