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3. Public Health Service Act (Title XIV) [Safe Drinking Water Act]. 42 USC δ300f to 300j-26 1974.
4. U.S. EPA. Drinking Water Infrastructure Needs Survey. EPA-816-R-01-004. Washington DC:U.S. Environmental Protection Agency 2001. Available: http://www. epa.gov/safewater/needs.html
5. Managing Water for People and Nature