2,7-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

m-Xylene, 1000µg/ml in MeOH, 1ml

Ethephon,neat,neat,250mg,

3,3',4,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,