References

  1. WHO (World Health Organization), Global Costs and Benefits of Drinking-Water Supply and Sanitation Interventions to Reach the Mdg Target And Universal Coverage, WHO/HSE/ WSH/12.01., Printed by the WHO Document Production Services, Geneva, Switzerland, 2012, pp. 17–67.
  2. M.F.R. Zuthi, M. Biswas, M.W. Bahar, Assessment of supply water quality in the Chittagong City of Bangladesh, ARPN J. Eng. Appl. Sci., 4 (2009) 73–80.
  3. G. Igali, Nigeria Ranks 3rd in Poor Water Access, 11th Session of Development Partners Coordinating Meeting, Daily Triumph Newspaper, WHO and NICEF, May 10th 2012.
  4. S. Cordeiro, R. Coutinho, J.V. Cruz, Fluoride content in drinking water supply in São Miguel volcanic island (Azores, Portugal), Sci. Total Environ., 432 (2012) 23–36.
  5. D. Todd, Groundwater Hydrology, 2nd ed., Wiley, New York, USA 1980.
  6. A.M. MacDonald, R.C. Calow, Developing groundwater for secure rural water supplies in Africa, Desalination, 248 (2009) 546–556.
  7. UNICEF (United Nations International Children’s Emergency Fund), UNICEF Handbook on Water Quality, UNICEF, New York, USA, 2008, p. 179.
  8. UNICEF (United Nations International Children’s Emergency Fund), UNICEF Handbook on Water Quality, UNICEF, New York, USA, 2010.
  9. WHO (World Health Organization), Guideline for Drinking Water Quality, 3rd ed., WHO, Geneva, Switzerland, 2010.
  10. H.A. Jones, R.D. Hockey, The Geology of Part of Southwestern Nigeria, Bull. (Geol. Surv. Niger.) 31 (1964) 101.
  11. M.E. Omatsola, O.S. Adegoke, Tectonic evaluation and cretaceous stratigraphy of the Dahomey Basin, J. Min. Geol., 5 (1981) 78–83.
  12. B.S. Badmus, O.B. Olatinsu, Geoelectric mapping and characterization of limestone deposits of Ewekoro formation, southwestern Nigeria, J. Geol. Min. Res., 1 (2009) 8–18.
  13. Effeotor, 1983.
  14. Offodile, The Hydrology of the Coastal Areas of Eastern States of Nigeria, Geology Survey of Nigeria, Report No. 1494, 1971, pp. 12–20.
  15. S. Orajaka, Salt water resources of East Central State of Nigeria, J. Min. Geol., 3 (1972) 49–51.
  16. M.E. Offodile, Ground Water Potential in the Nigerian Fluvio – Volcanic Series of the Jos Younger Grant Complex, Water Resources, Vol. 1, 1989, pp. 365–376.
  17. O.K. Agagu, A Geological Guide to Bituminous Sediments in Southwestern Nigeria, Unpublished Monograph, Department of Geology, University of Ibadan, 1985, p. 17.
  18. EEC-Council Directive 98/83/EY/, of 3 November (1998), on the Quality of Water Intended for Human Consumption, Official J. European Communities, L 330, 05/12/1998 s. 0032–0054, 1996.
  19. K. Burke, S. J. Freeth, N.K.Grant, The structure and sequence of geological events in the basement complex of the Ibadan Area, Western Nigeria, Precambrian Res., 3 (1976) 537–545.
  20. Pamela Doolittle, 2012, University of Wisconsin “Ascorbic acid Method for Phosphorus Determination”. Available at: https://Madison,pssemrad@wisc.edu.
  21. Eaton 1999 AD, Standard Methods for the Examination of Water and Wastewater, American Public Health Association, Washington, D.C., 2005.
  22. ISO 457 (1983) “Determination of Chloride Content” — Titrimetric Method Reviewed and Confirmed in 2016, Document Published on: 1983-08, 2nd ed., ICS: 71.00.40, p. 2.
  23. U.S. Environmental Protection Agency (EPA), Cancer Risk Coefficients for Environmental Exposure to Radionuclides, United State Environmental Protection Agency, Federal Guidance Report No 132017, (EPA. 402 R-99-001).
  24. USEPA US Environmental Protection Agency, Exposure Factors Handbook 2011 Edition (Final), U.S. Environmental Protection Agency, Washington, D.C., EPA/600/R-09/052F, 2011.
  25. USEPA, Risk Assessment Guidance for Superfund, Vol. I, Human Health Evaluation Manual (Part A), Interim Final, EPA/540/1-89/002, December 1989.
  26. U.S. EPA, Final Regulatory Determination Notice for Perchlorate, Fed Reg. 2011b; 76 (29) 7762–7767. Available at: http://www.gpo.gov/fdsys/pkg/FR-2011-02-11/html/2011-2603.htm.
  27. USEPA, Guidelines for Carcinogen Risk Assessment Review Draft, NCEA-F-0644, Jul 1999. Available at: http://www.epa.gov/cancerguidelines/draft-guidelines-carcinogen-ra-1999.htm.
  28. USEPA, A Review of the Reference Dose and Reference Concentration Processes, EPA/630/P-02/002F, Dec 2002. Available at: http://www.epa.gov/raf/publications/review-referencedose.htm.
  29. USEPA, Risk Assessment Guidance for Superfund (RAGS), (Part D), Standardized Planning, Reporting, and Review of Superfund Risk Assessments, Vol. I, Human Health Evaluation Manual, 9285.7-47, United States Environmental Protection Agency, Office of Emergency and Remedial Response, Washington, D.C., 2001. Available at: http://www2.epa.gov/risk/risk-assessment-guidance-superfund-rags-part-d.
  30. M.A. Rahama, Review of the Basement Geology of South Western Nigeria, In: C.A. Kogbe Ed., Geology of Nigeria, Elizabethan Pub. Co., Lagos, 1976, pp. 41–58.