2-Chlorophenol, 100 µg/ml, Acetonitrile, 5ml

1,2,4,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Isofenphos, 100 µg/ml, Acetonitrile, 1ml

2',3,4,4',5-Pentachlorobiphenyl (123)