1,2,4,5-Tetrachlorobenzene

2,2',3,3',4-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

(-)-Cannabidiol, 10mg/ml in EtOH, 1ml

2,3,4,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane