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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Sackett, Dana K. Pow, Crystal Lee Rubino, Matthew J. Aday, D. Derek Cope, W. Gregory Kullman, Seth Rice, James A. Kwak, Thomas J. Law, Mac |
| Spatial Coverage | North Carolina |
| Description | Author Affiliation: Sackett DK ( Department of Applied Ecology, North Carolina State University, Raleigh, North Carolina.) |
| Abstract | The presence of endocrine-disrupting compounds (EDCs), particularly estrogenic compounds, in the environment has drawn public attention across the globe, yet a clear understanding of the extent and distribution of estrogenic EDCs in surface waters and their relationship to potential sources is lacking. The objective of the present study was to identify and examine the potential input of estrogenic EDC sources in North Carolina water bodies using a geographic information system (GIS) mapping and analysis approach. Existing data from state and federal agencies were used to create point and nonpoint source maps depicting the cumulative contribution of potential sources of estrogenic EDCs to North Carolina surface waters. Water was collected from 33 sites (12 associated with potential point sources, 12 associated with potential nonpoint sources, and 9 reference), to validate the predictive results of the GIS analysis. Estrogenicity (measured as 17ß-estradiol equivalence) ranged from 0.06 ng/L to 56.9 ng/L. However, the majority of sites (88%) had water 17ß-estradiol concentrations below 1 ng/L. Sites associated with point and nonpoint sources had significantly higher 17ß-estradiol levels than reference sites. The results suggested that water 17ß-estradiol was reflective of GIS predictions, confirming the relevance of landscape-level influences on water quality and validating the GIS approach to characterize such relationships. |
| File Format | HTM / HTML |
| ISSN | 07307268 |
| Issue Number | 2 |
| Volume Number | 34 |
| e-ISSN | 15528618 |
| Journal | Environmental Toxicology and Chemistry |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2015-02-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Water Pollutants, Chemical Geography Models, Theoretical North Carolina Research Support, U.s. Gov't, Non-p.h.s. Research Support, Non-u.s. Gov't Geographic Information Systems Least-squares Analysis Discipline Environmental Health Estrogens Discipline Toxicology Estradiol Endocrine Disruptors Journal Article Analysis Discipline Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis |
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