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EPA/OW RIN: 2040-AF26 Publication ID: Spring 2017 
Title: Effluent Guidelines and Standards for the Dental Point Source Category 

The EPA finalized technology-based pretreatment standards under the Clean Water Act (CWA) for discharges of pollutants into publicly owned treatment works (POTWs) from existing and new dental practices that discharge dental amalgam into POTWs.  Dental amalgam contains mercury and other metals that have the potential to pass through or interfere with  wastewater treatment at POTWs. EPA’s pretreatment rule establishes a uniform national standard to control mercury discharges based on amalgam separators and two best management practices.

Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Completed Actions 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 441    40 CFR 403   
Legal Authority: 33 U.S.C. 1251    33 U.S.C. 1311    33 U.S.C. 1314    33 U.S.C. 1316    33 U.S.C. 1317    33 U.S.C. 1318    33 U.S.C. 1342    33 U.S.C. 1361    42 U.S.C. 13101 et seq.   
Legal Deadline:  None
Action Date FR Cite
NPRM  10/22/2014  79 FR 63257   
NPRM Comment Period Extended  12/19/2014  79 FR 75772   
Final Rule  06/14/2017  82 FR 27154   
Final Rule Effective  07/14/2017 
Additional Information: Docket #:EPA-HQ-OW-2014-0693
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, Local, State 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:  
Sectors Affected: 339116 Dental Laboratories; 621210 Offices of Dentists 
RIN Data Printed in the FR: No 
Agency Contact:
Jan Matuszko
Environmental Protection Agency
Office of Water
4303T, 1200 Pennsylvania Avenue NW,
Washington, DC 20460
Phone:202 566-1035
Fax:202 566-1053