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Animal Waste, Water Quality and Human Health

Animal Waste, Water Quality and Human Health

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224<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 % log10 f/c e(Ministry ofAgriculture <strong>and</strong>Forestry [NewZeal<strong>and</strong>] (MAF)2006)New Zeal<strong>and</strong>, modelling studyusing modifiedsediment-based CREAMSmodel of Cooper et al.(1992) for all major soiltypes in NZ, to investigatelikely effects of soil type,slope angle, slope length <strong>and</strong>buffer strip length, range ofdata presented here are forhigh <strong>and</strong> lowbacterial-particle attachment,with the greater length <strong>and</strong>lower reduction rate beingfor sites with low attachment(data for moderateattachment are presented inreport), <strong>and</strong> are for theoptimal buffer width (takinginto account amount of l<strong>and</strong>used in the buffer): width 1to 9 m, flat to undulatingterrain, low soil infilt cap(

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