1. A Review of Perchlorate Occurrence in Public Drinking Water Systems;Bradhuber;Journal AWWA,2009
2. OMB (Office of Management and Budget) 2012 Guidelines for Ensuring and Maximizing the Quality, Objectivity, Utility, and Integrity of Information Disseminated by Federal Agencies www.whitehouse.gov/omb/fedreg_final_information_quality_guidelines
3. Informing Regulatory Decisions Using National Occurrence Data;Roberson;Journal AWWA,2012
4. US Chamber of Commerce 2012 Request for Correction: “Drinking Water: Regulatory Determination on Perchlorate.” www.uschamber.com/issues/comments/2012/request-correction-%E2%80%9Cdrinking-water-regulatory-determination-perchlorate%E2%80%9D
5. US Environmental Protection Agency (USEPA) 2012a Perchlorate---Approaches for Developing Maximum Contaminant Level Goals for Perchlorate http://yosemite.epa.gov/sab/SABPRODUCT.NSF/81e39f4c09954fcb85256ead006be86e/d3bb75d4297ca4698525794300522ace!OpenDocument