2,3,5,6-Tetrachlorophenol, 100 µg/ml, Methanol,

Native Perfluoroether-Carboxylic Acids and -Sulfonate Mix, 2µg/ml in MeOH, 1,2ml

p-Cresol

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