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Animal Waste, Water Quality and Human Health

Animal Waste, Water Quality and Human Health

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220<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 eE. Vegetated buffer strips (VBSs), including riparian buffer strips (RBSs)(Atwill, Hou et al.2002)California, lab-scale investigation C.par oocysts/l 99.369 2.2 (c)of effects of soil texture/bulkdensity <strong>and</strong> slope inattenuation ofCryptosporidium parvumthrough a 1 m vegetated(fescue) buffer strip withsimulated low-moderaterainfall intensities. Modelledresults tabulated here forconditions with high,medium <strong>and</strong> low attenuation[C.par]: Silty clay loam(bulk density = 0.66 g/cm3),slope 2.9°As above: slope 5.7° C.par oocysts/l 99.921 3.1 (c)As above: slope 8.5° C.par oocysts/l 99.800 2.7 (c)

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