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Singapore: Water Treatment & Wastewater Recycling Systems. By Haw Cheng NG, 05/2008. U.S. Commercial Service. Since 2001, the Public Utilities Board (PUB), Singapore’s national water authority, has outsourced some $3.0 billion worth of water infrastructure projects, such as the Deep Tunnel Sewerage System, Marina Barrage, NEWater facilities and desalination plants, to the private sector. In
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