PCB No. 170, 100µg/ml in Cyclohexane, 5ml

2-Chlorobiphenylene, 1.2ml x 50ug/ml, nonane

1-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml

Diisononyl cyclohexane-1,2-dicarboxylate ,1000 µg/mL,isooctane,1mL,