Closantel, 100 µg/ml, Acetonitrile, 1ml

1,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

2,2',5,5'-Tetrabromo[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,4,5-Trichloroaniline, 100 µg/ml, Methanol, 5ml