| StandardName | GB 21900-2008 Electroplating Pollutant Emission Standard English Version |
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| Standard for discharge of electroplating pollutants 1. Scope of application This Standard has stipulated the limit values and other contents for discharge of electroplating water pollutants and air pollutants from electroplating enterprises or the enterprises with electroplating facilities. This Standard is applicable to water pollutant discharge maragement and air pollutant discharge management of existing electroplating enterprises. This Standard is applicable to the evaluation on environmental impact, design of facilities for environmental protection, acceptance of facilities for environmental protection upon completion and water/ air pollutants discharge management after operation is started, of the construction projects in electroplating enterprises. This Standard is also applicable to the facilities for anodisation surface treatment process. This Standard is applicable to the pollutant discharge actions pemitted by laws, the management on the pollution sources in new sites selected and the existing pollution sources within especially protected zones shall execute the relevant provisions set forth by such laws, rules and regulations as Lave of the People's Republic of China on Prevention and Control of Air Pollution, Law of the People's Republic of China on Prevention and Control of Water Pollution, Marine Environment Protection Law of the People's Republic of China, Law of the People's Republic of China on Prevention and Control of Solid Waste Pollution, Law of the People's Republic of China on Prevention and Control of Radioactive Pollution and Methods for Evaluation on Environmental Impact of the People's Republic of China, ete. The requirements for control of water pollutant discharge are applicable to the discharge into environmental water bodies by enterprises. When an enterprise is discharging waste water to the drainage system of a city or town with sewage disposal plant, the total chromium, sexavalent chrome, total nickel, total cadmium, total silver, total lead and total mercury among pathogenic pollutants shall be subject to the corresponding discharge limits at monitoring locations as specified by this Standard; the requirements for discharge control of other pollutants shall be determined through discussions between enterprises and town sewage disposal plant based on the capacity of sewage disposal, or execute the relevant standards, which should be submitted to the competent department for environmental protection for reference, a town sewage disposal plant shall ensure that the discharged pollutants have reached the requirements of relevant discharge standard. When a construction project is to discharge waste water to the drainage system of a city or town with sewage disposal plant, the Client and town sewage disposal plant shall execute the stipulations set forth in previous paragraph. |
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