Use of carboxylated microspheres to assess transport potential of Cryptosporidium parvum oocysts at the Russian River water supply facility, Sonoma County, California

Metge, D. W.; Harvey, R. W.; Anders, R.; Rosenberry, D. O.; Seymour, D.; Jasperse, J.

Abstract:

Carboxylated microspheres were employed as surrogates to assess the transport potential of Cryptosporidium parvumoocysts during forced- and natural-gradient tests conducted in July and October 2004. The tests involved poorly-sorted, near-surface sediments where groundwater is pumped from an alluvial aquifer underlying the Russian River, Sonoma County, CA. In an off channel infiltration basin and within the river, a mixture (2-, 3-, and 5- ??m diameters) of fluorescently-labeled carboxylated microspheres and bromide tracers were used in two injection and recovery test to assess sediment removal efficiency for the microspheres. Bottom sediments varied considerably in their filtration efficiency for Cryptosporidium.

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Article

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70029997

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Metge, D. W.; Harvey, R. W.; Anders, R.; Rosenberry, D. O.; Seymour, D.; Jasperse, J.

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245

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3-4

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English

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Geomicrobiology Journal

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Use of carboxylated microspheres to assess transport potential of Cryptosporidium parvum oocysts at the Russian River water supply facility, Sonoma County, California; 2007; Article; Journal; Geomicrobiology Journal; Metge, D. W.; Harvey, R. W.; Anders, R.; Rosenberry, D. O.; Seymour, D.; Jasperse, J.