1. World Health Organization (WHO), Uranium in Drinking water: Background document for development of WHO guidelines for drinking water quality (WHO/SDE/WSH/03.04/118), World Health Organization, 2005, 26 pp.
2. Assessing potential risks from exposure to natural uranium in well water
3. World Health Organization, Guidelines for Drinking Water Quality, Third Edition, Incorporating the First and Second Addenda, Volume 1, Recommendations, Geneva, 2008, 515 pp.
4. EPA, Radionuclides Notice of Data Availability, Technical Support Document, USEPA Office of Groundwater and Drinking Water, March 2000, 164 pp.
5. Removing Uranium and Radium from a Natural Water