Ambroxol hydrochloride,1000 µg base/mL,MeOH,1mL,

2,2',3,3',4,5,6,6'-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL,

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

1,2-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,