Download Air Emissions from Animal Feeding Operations Current by National Research Council, Division on Earth and Life PDF

By National Research Council, Division on Earth and Life Studies, Board on Environmental Studies and Toxicology, Board on Agriculture and Natural Resources, Committee on Animal Nutrition, Ad Hoc Committee on Air Emissions from Animal Feeding Operations

Air Emissions from Animal Feeding Operations: present wisdom, destiny wishes discusses the necessity for the U.S. Environmental security supplier to enforce a brand new strategy for estimating the volume of ammonia, nitrous oxide, methane, and different pollution emitted from farm animals and chicken farms, and for deciding upon how those emissions are dispersed within the surroundings. The committee demands the EPA and the U.S. division of Agriculture to set up a joint council to coordinate and oversee brief - and long term learn to estimate emissions from animal feeding operations thoroughly and to enhance mitigation innovations. Their advice was once for the joint council to concentration its efforts first on these toxins that pose the best possibility to the surroundings and public health and wellbeing.

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Additional info for Air Emissions from Animal Feeding Operations Current Knowledge, Future Needs

Sample text

The findings and recommendations in this report are aimed in large part at the leaders and scientists of the EPA and USDA research programs, but they are also aimed at the entire community interested in addressing the issues posed by the adverse effects of air emissions from animal feeding operations. This includes leaders in the scientific research community, agriculture in general, environmental interests, people affected by the emissions, and the farmers who ultimately have to deal directly with their causes.

Dispersion Modeling FINDING 6. The complexities of various kinds of air emissions and the temporal and spatial scales of their distribution make direct measurement at the individual farm level impractical other than in a research setting. Research into the application of advanced three-dimensional modeling techniques accounting for transport over complex terrain under thermodynamically stable and unstable planetary boundary layer (PBL) conditions offers good possibilities for improving emissions estimates from AFOs.

There is no comprehensive, sound, science-based set of data on emissions from AFOs. Perhaps the most serious problem in generating such a database is the great variability in AFO emission rates, which cannot be addressed solely by developing more accurate measuring instruments. Emission rates can vary tenfold or more during periods as short as an hour or as long as a year—with changes in the management of the animals, their feed, and weather conditions. , 2002). This problem can be resolved only by 24 AIR EMISSIONS FROM ANIMAL FEEDING OPERATIONS devising a regulatory and management strategy that recognizes and accommodates this variability, combined with a measurement plan that collects sufficient information to address concerns and direct future efforts.

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