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Chicago Chapter Meeting
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When: November 21,2017
5:15 PM
Where: Rodity's Restaurant
222 S Hatsted St
Chicago, Illinois 
United States
Contact: Stephanie Scilingo

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Association of Environmental & Engineering Geologists
“Serving Professionals in Engineering, Environmental and Groundwater Geology Since 1957”
November 2017 AEG Dinner Meeting

Date: Tuesday, November 21, 2017
Location: Rodity's Restaurant, 222 South Halsted Street, Chicago, IL, (312) 454-0800
Program Topic: Good to the Last Drop? Contaminants of Emerging Concern in the Water Cycle
Speaker: Susan T. Glassmeyer, Ph.D., Research Chemist, USEPA Office of Research and Development
Schedule: Cocktails @ 5:15 pm, Dinner @ 6:00 pm
Cost: $35 Members, $40 Non-Members, $15 Students and Professors
RSVP: By email By 5 PM Friday, November 17, 2017

To date, most water research has been based on compartmentalization – examining only chemicals or microorganisms, human health or ecological health, wastewater or surface water, or drinking water. These artificial divisions limit the understanding of the complex interactions that are occurring in the environment. As competition for water resources increases, wastewater and drinking water will become even more closely linked and natural attenuation processes such as dilution, hydrolysis and photolysis will not be as effective at reducing the contaminant levels. These contaminants include not only chemicals and microbes that are present in the raw sewage but also transformation products that form during treatment. The long term health impact on communities that have high percentage of wastewater in the source of their drinking water as well as the health effects of aquatic species that reside in that source water is unknown. The US Environmental Protection Agency (USEPA) and US Geological Survey (USGS) are collaborating on a project examining the sources, fates, and potential effects of contaminants of emerging concern (CECs) during de facto water reuse. The sampling design follows a surface water flowpath by collecting water samples from just above a wastewater treatment plant outfall and downstream to a drinking water treatment plant intake and through to a finished water sample.

The study utilizes an integrated approach that includes a comprehensive analysis of specific chemicals (e.g. pharmaceuticals, perfluorinated chemicals, hormones, etc.), environmental diagnostics to identify non-target, unknown chemicals, in vitro bioassays (e.g. estrogenicity, androgenicity, genotoxicity, toxicity in metabolizing cells), rapid whole organism screens (e.g. Microtox) to assess cumulative bioactivity, and in vivo tests to address specific exposure and response endpoints.
A rigorous quality assurance/quality control protocol design is consistently applied from field to laboratory to ensure comparability of results from different techniques. This consistent, integrated approach combines the strength of each technique and is ideal for CEC related research in which traditional environmental and toxicity endpoints are not adequate for fully understanding potential effects to human health and the environment from chemical exposures. This presentation will provide an overview of the study, discussing the project design and preliminary results from the analysis of grab samples for organic and inorganic chemicals.


Susan T. Glassmeyer is a Research Chemist in the USEPA’s Office of Research and Development, National Exposure Research Laboratory, Microbiological and Chemical Exposure Assessment Research Division in Cincinnati, Ohio. She received a BS in Chemistry from Xavier University in Ohio, and an MSES and PhD in Environmental Science from Indiana University’s School of Public and Environmental Affairs. Her research is focused on the occurrence of contaminants of emerging concern in wastewater, surface, ground, and drinking water.


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