Document Detail

Haloacetic acids and trihalomethanes in finished drinking waters from heterogeneous sources.
MedLine Citation:
PMID:  12531279     Owner:  NLM     Status:  MEDLINE    
Trihalomethanes (THM) and haloacetic acids (HAA) are the most frequent chlorination by-products (CBP) in finished drinking waters. Traditionally, THM have been used as surrogates for CBP although the quantitative association between THM and other CBP is not well established. This problem is addressed in the present study from the analysis of THM and HAA in drinking water samples from four Spanish regions, representing areas with very different CBP composition, e.g. between 86 and 8.0 microg/l of THM and 50-3.0 microg/l of HAA. The resulting dataset exhibit a statistically significant correlation between total THM and HAA (Pearson's correlation coefficient, r(p)=0.815,p<0.0005). Furthermore, specific HAA are highly correlated with specific THM or their combinations. Accordingly, multivariate linear regression analysis of the concentrations observed show that the levels in total and specific HAA can be predicted from the THM content. These results are relevant for epidemiological studies on health effects from CBP exposure since they usually involve comparison of populations consuming waters of very distinct quality.
C M Villanueva; M Kogevinas; J O Grimalt
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Water research     Volume:  37     ISSN:  0043-1354     ISO Abbreviation:  Water Res.     Publication Date:  2003 Feb 
Date Detail:
Created Date:  2003-01-17     Completed Date:  2003-08-15     Revised Date:  2009-11-03    
Medline Journal Info:
Nlm Unique ID:  0105072     Medline TA:  Water Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  953-8     Citation Subset:  IM    
Respiratory and Environmental Health Research Unit, Municipal Institute of Medical Research (IMIM), C/Doctor Aiguader 80, 08003-, Barcelona, Spain.
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MeSH Terms
Acetic Acid / analysis*,  chemistry*
Trihalomethanes / analysis*
Water Pollutants, Chemical / analysis*
Water Purification*
Water Supply* / standards
Reg. No./Substance:
0/Trihalomethanes; 0/Water Pollutants, Chemical; 64-19-7/Acetic Acid

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