Barium (Ba)

2,2',3',4,4',5-Hexachloro-3-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

2,3,4,5-Tetrachlorophenol, 100 µg/ml, Methanol,

4-Chlorophenol, 10 µg/ml, Methanol, 10ml