Document Detail

Tracing treated wastewater in an inland catchment using anthropogenic gadolinium.
MedLine Citation:
PMID:  20537367     Owner:  NLM     Status:  MEDLINE    
The discharge of treated wastewater into natural water bodies occurs worldwide; if drinking water is then extracted downstream, there is potential for micropollutants that are not fully mineralized in the wastewater treatment process to enter municipal drinking water. In Australia, drinking water treatment is typically a mixture of basic technologies such as flocculation and slow sand filtration; technologies that are not specifically designed to remove micropollutants. However, there is little awareness in Australia of the potential risk that upstream wastewater discharges may impart to the security and quality of downstream drinking water supplies. We apply a direct inductively coupled plasma mass spectrometry technique to determine the discharge of anthropogenic gadolinium from a wastewater treatment plant in Toowoomba, Queensland, Australia, that discharges into the small (147 km(2)) catchment of Gowrie Creek. We then continue to measure the concentrations of this wastewater tracer as Gowrie Creek flows downstream into the Condomine River, and to a community 100 km away where drinking water is extracted. Using this tracer, we demonstrate that the community has a detectable wastewater contribution within their surface drinking water supply.
Michael Glen Lawrence; David Guimerà Bariel
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Chemosphere     Volume:  80     ISSN:  1879-1298     ISO Abbreviation:  Chemosphere     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-07-19     Completed Date:  2010-09-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0320657     Medline TA:  Chemosphere     Country:  England    
Other Details:
Languages:  eng     Pagination:  794-9     Citation Subset:  IM    
Copyright Information:
Copyright 2010 Elsevier Ltd. All rights reserved.
Advanced Water Management Centre, The University of Queensland, St. Lucia, Qld 4072, Australia.
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MeSH Terms
Environmental Monitoring / methods*
Fresh Water / chemistry
Gadolinium / analysis*
Waste Disposal, Fluid
Water Pollutants, Chemical / analysis*
Water Supply / analysis
Reg. No./Substance:
0/Water Pollutants, Chemical; 7440-54-2/Gadolinium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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