Tetrachloroethene, 1000 µg/ml, Methanol, 1ml

4-Aminobenzenesulfonic acid, 250mg

4,4'-(1-Phenylethylidene)bisphenol, 1.2ml x 50ug/ml, methanol

2,3,4,5-Tetrabromophenol, 1.2ml x 100ug/ml, toluene