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Date: 2014-07-14 04:19:03Environmental science Water Landfill Biochemical oxygen demand Chemical oxygen demand Leachate Water quality Ping Yuen River Gram per litre Environment Anaerobic digestion Earth | Microsoft Word - LegCo InfoNote _PWSC-20130702_ final.docAdd to Reading ListSource URL: www.legco.gov.hkDownload Document from Source WebsiteFile Size: 800,32 KBShare Document on Facebook |