# National Emission Standards for Hazardous Air Pollutants From the Portland Cement Manufacturing Industry; Residual Risk and Technology Review
**AGENCY:**
Environmental Protection Agency (EPA).
**ACTION:**
Extension of comment period.
**SUMMARY:**
On September 21, 2017, the Environmental Protection Agency (EPA) proposed a rule titled, “National Emission Standards for Hazardous Air Pollutants From the Portland Cement Manufacturing Industry Residual Risk and Technology Review.” The EPA is extending the comment period on the proposed rule that was scheduled to close on November 6, 2017, by 15 days until November 21, 2017. The EPA is making this change based on one request for additional time to prepare comments on this proposed rule.
**DATES:**
The public comment period for the proposed rule published in the *Federal Register* on September 21, 2017 (82 FR 44254), is being extended. Written comments must be received on or before November 21, 2017.
**ADDRESSES:**
The EPA has established a docket for the proposed rulemaking (available at *http://www.regulations.gov* ). The Docket ID No. is EPA-HQ-OAR-2016-0442. Submit your comments, identified by Docket ID No. EPA-HQ-OAR-2016-0442, at *http://www.regulations.gov.* Follow the online instructions for submitting comments. Once submitted, comments cannot be edited or removed from *Regulations.gov* . The EPA may publish any comment received to its public docket. Do not submit electronically any information you consider to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. If you need to include CBI as part of your comment, please visit *http://www.epa.gov/dockets/comments.html* for instructions. Multimedia submissions (audio, video, etc.) must be accompanied by a written comment. The written comment is considered the official comment and should include discussion of all points you wish to make.
For additional submission methods, the full EPA public comment policy, and general guidance on making effective comments, please visit *http://www.epa.gov/dockets/comments.html.*
**FOR FURTHER INFORMATION CONTACT:**
For additional information on this action, contact Brian Storey, Sector Policies and Programs Division, Office of Air Quality Planning and Standards (D243-04), Environmental Protection Agency, Research Triangle Park, NC 27711; telephone number: (919) 541-1103; email address: *[email protected].*
**SUPPLEMENTARY INFORMATION:**
To allow additional time for stakeholders to provide comments, the EPA has decided to extend the public comment period until November 21, 2017.
Dated: October 31, 2017.
Stephen Page,
Director, Office of Air Quality Planning and Standards.