1. Maine Statute, “Waste Discharge Licenses,” Title 38: Waters of Navigation, Chapter 3: Protection and Improvement of Waters, Subsection 413, paragraph 11, E, 1999.
2. Kirk-Othmer-Encyclopedia of Chemical Technology, Fourth Edition, 1, p 958, John Wiley & Sons, Inc., New York, NY, 1991.
3. “National Effluent Limitation Guidelines,” Code of Federal Regulations, Title 40-Protection of the Environment, Part 415-Inorganic Chemicals Manufacturing Point Source Category, Subpart F-Chlor-Alkali Subcategory.