Abstract：
:To ascertain the water quality for human consumption, chemical parameters such as pH, conductivity and total dissolved calcium, magnesium, iron, aluminum, zinc, copper and manganese were measured during four sampling periods (November 2002; March, May and July 2003) in drinking water wells which supply several forest camps and rural populations located in the eastern Llanos of Venezuela. Copper levels in drinking water in November 2002 were found to be significantly higher (P<0.05) than the other assessed periods. Temporal variations of the other parameters considered were not statistically significant. Calcium and magnesium concentrations were found to be extremely low (mean concentration+/-S.D. of 0.27+/-0.25mg/l for Ca and 0.219+/-0.118 for Mg) during the four sampling periods, probably because of the carbonate bearing scarcity in the soils lithic component. The rest of the metals complied with the Venezuelan and International guidelines of quality criteria for drinking water.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Mora A,Mac-Quhae C,Calzadilla M,Sánchez Ldoi
10.1016/j.jenvman.2008.01.005subject
Has Abstractpub_date
2009-02-01 00:00:00pages
752-9issue
2eissn
0301-4797issn
1095-8630pii
S0301-4797(08)00020-0journal_volume
90pub_type
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