Tetrachloroethene, 1000 µg/ml, Methanol, 1ml

3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

Cesium (Cs)

1,2,3,4,6,7,8,9,10,10,11,11-Dodecachloro-14,4a,5a,6,9,9a,9b-octahydro-1,4,6,9-dimethanodibenzofuran,50 µg/mL,toluene,1mL,