PCB No. 170, 100µg/ml in Cyclohexane, 5ml

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

4,4'-Dichlorobenzophenone, 100 µg/ml, Ethyl aceta

D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml