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## Memorandum From: Carey A. Johnston, P.E. USEPA/OW/OST ph: (202) 566 1014 johnston.carey@epa.gov To: Public Record for the 2006 Effluent Guidelines Program Plan EPA Docket Number OW-2004-0032 (www.epa.gov/edockets/) Date: 24 April 2006 Re: Dental Mercury Publications Incorporat ed by Reference from the Dental Mercury Environmental Issues Website (http://dentalmercury.com/)

This memorandum incorporates by reference the following documents from the following website: http://dentalmercury.com/, into the public record for the "2006 Effluent Guidelines Program Plan," EPA Docket Number: OW-2004- 0032. This website is supported by a grant from the Great Lakes National Program Office of the U.S. Environmental Protection Agency. Methylmercury Content of Dental-Unit Wastewater http://www.dentalmercury.com/Publications/publications_14.html TCLP Analysis and Residual Mercury Levels in Dental Wastewater Lines http://www.dentalmercury.com/Publications/publications_15.html New American Dental Association abst ract evaluating amalgam separators http://www.dentalmercury.com/Publications/publications_16.html The Management of Mercury in the Dental-Unit Wastewater Stream http://www.dentalmercury.com/NDRI.SciRev2.1.pdf Mercury Removal from Wastewater -- Dr. Thom as Klasson Oak Ridge National Laboratory http://www.dentalmercury.com/Publications/mercrem.pdf Solid Waste Disposal Issues and Dental Amalgam http://www.dentalmercury.com/NDRI.SciRev2.2.PDF Residual Mercury Content and Leaching of Mercur y and Silver from Used Amalgam Capsules http://www.dentalmercury.com/article.pdfPage 2 of 2 The Removal of Mercury from Dental-Operatory Wastewater by Polymer Treatment http://dentalmercury.com/Publications/publications_0.html Mercury Levels and Particle Size Distribution inthe Dental Unit Wastewater Stream at Naval Dental Center, Norfolk, Virginia, USA http://dentalmercury.com/Publications/publications_01.html Mercury Removal From Dental Operatory Wastewater Using Polymers http://dentalmercury.com/Publications/publications_02.html Silver Generation Rates from Dental Wastewater http://dentalmercury.com/Publications/publications_03.html ICP Analysis of Dental Wastewater http://dentalmercury.com/Publications/publications_04.html Electro Kinetic Properties of Colloidal Dental Wastewater http://dentalmercury.com/Publications/publications_05.html Mercury Removal Method and Device for Dental Operatory Wastewater http://dentalmercury.com/Publications/publications_06.html Mercury Management of Dental-Wastewater Streams Using Secondary Treatments http://dentalmercury.com/Publications/publications_07.html Technique for Removing Polymer-Bound Mercury from Dental Wastewater http://dentalmercury.com/Publications/publications_08.html Line Cleanser/Disinfectant Effects on Soluble Mercury Content of Dental Wastewater http://dentalmercury.com/Publications/publications_09.html Mercury Removal from Dental Wastewater by a Microbial Bioadsorbent Derived from Genetically Engineered Bacteria http://dentalmercury.com/Publications/publications_10.html Evaluation of an Integrated System to Rem ove Mercury from Dental-Unit Wastewater http://dentalmercury.com/Publications/publications_12.html Mercury Hygiene Best Management Practices http://dentalmercury.com/Publications/publications_13.html