Strategies and Techniques for Identifying Unknown Compounds in Environmental Samples

There are approximately 100,000 industrial and commercial chemicals used currently. Many of these compounds and their degradation products find their way into the environment, either through fugitive emission or intentional release, e.g. pesticides. In some cases their release resulted in extensive environmental damage, an example being polychlorinated biphenyls (PCBs). In order to meet the low levels required for the protection of the …