Environmental Toxicology:

• Analytical Methods
• Sediment Baselines
• Sources and Fates
• Runoff Management
• Evaluation
• Consumer Information

 

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Analytical Methods

Analytical methods are the foundation of environmental chemistry.  Methods are continually being re-evaluated, modified or replaced to improve their sensitivity and reliability.  Industry is continually introducing new chemical compounds as well, which analytical chemists must find a way to identify in the environment.  Many new and emerging threats such as endocrine disrupters have health effects at extremely low concentrations, moreover.  Kwiaht has been devising analytical methods to address some of these challenges including an improved colorimetric method for measuring anionic surfactants (detergents) in water; a method for measuring endocrine disrupting nonionic surfactants in water and animal tissues with mass spectrometry; and an inexpensive method for monitoring a phthalate plasticizer, DEHP.