These technical specifications are developed for the purpose of implementing Environmental Protection Law of the People’s Republic of China, Law of the People’s Republic of China on Prevention and Control of Water Pollution and Law of the People’s Republic of China on Prevention and Control of Air Pollution, setting standards for the construction and operation of pollution treatment projects of livestock and poultry farms, controlling the pollution caused by the wastes and odor from livestock and poultry farms, and improving the environmental quality. They shall apply to the whole-process management of new, rebuilt, and expanded pollution treatment projects on intensive livestock and poultry farms. They can be the technical basis for the environmental impact assessment, design, construction, environmental check and acceptance upon completion, and the operation and management of such projects.
Announcement No. 50 of 2009 of Ministry of Environmental Protection of the People’s Republic of China laying down technical requirements for pollution treatment projects of livestock and poultry farms (National Environmental Protection Standard HJ 497-2009)