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A quantitative microbial risk assessment of helminth ova in reusing sludge for agricultural production in developing countries
2008
WIT Transactions on Information and Communication Technologies
unpublished
Helminth ovum (HO) is the main biological concern when reusing sludge for agricultural production. Worldwide sludge norms consider a maximum allowable value for this pathogen of 0.25-1 HO/gTS. Such a threshold may be unaffordable to most developing countries, due to: (a) a very high original content of a wide variety of helminth ovum in sludge, and (b) the lack of technology to inactivate up to 2-3 log. This paper presents the actual risk caused by the use in agricultural land of treated sludge
doi:10.2495/risk080071
fatcat:nemcablfmjfarhilboz4jhq5cm