Viral pollution determination of superficial waters (river water and sea-water) from the urban area of Barcelona (Spain)

Lucena, F.; Finance, C.; Jofre, J.; Sancho, J.; Schwartzbrod, L.

Water Research 16(2): 173-177


ISSN/ISBN: 0043-1354
DOI: 10.1016/0043-1354(82)90107-5
Accession: 061700093

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Various surface water systems in the metropolitan area of Barcelona (Spain), including 2 rivers and 3 beaches, were analyzed for human viruses using glass powder as adsorbent to concentrate them. The method used allows concentration of large volumes (up to 200 l) of water in a single step. Values obtained varied from 18.4 to > 55 most probable number of cytopathic units (MPNCU)/l in the Besos river and 0.44-44 MPNCU/l in the Llobregat river. Viruses were isolated from .apprx. 70% of sea-water samples, the values ranging from 0 to 1.60 MPNCU/l. Findings are discussed in terms of correlation between virus pollution and bacterial indicators of fecal contamination. Also, the suitability of glass powder adsorption to concentrate viruses in sea water is discussed.