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Animal Waste, Water Quality and Human Health

Animal Waste, Water Quality and Human Health

Animal Waste, Water Quality and Human Health

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232<strong>Animal</strong> <strong>Waste</strong>, <strong>Water</strong> <strong>Quality</strong> <strong>and</strong> <strong>Human</strong> <strong>Health</strong>Table 6.2 (Continued).Influent conc: Effluent conc: Attenuation:Reference Study description[parameters measured] b Parameter b Units Stat c n d Mean n d Mean Actual % log 10 f/c e(Tate, Atwill et al.2006)Sierra Nevada foothills,California, US, 48 enclosedfield plots to investigateeffects of slope (2.9, 11.3<strong>and</strong> 19.3°) <strong>and</strong> surface littercover on EC attenuationwithin 3 m wide VBSsduring natural rainfall eventsin 2002/4 [EC] – v highproportion of rainfall isabsorbed by soil: resultsreported here foreffectiveness of 1 m VBSEC cfu/100ml49.88 to99.920.3 to3.1

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