tert-Butyl ethyl ether, 200 µg/ml, Methanol, 1ml

2,2-Bis(4-hydroxyphenyl)butane, 1.2ml x 50ug/ml, methanol

2,3,4,6-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

PAH Standard (10 ppm), 10µg/ml in Acetonitrile, 1ml