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tkelley on DSKBCP9HB2PROD with PROPOSALS

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Federal Register / Vol. 86, No. 5 / Friday, January 8, 2021 / Proposed Rules
and included as part of the comment that is placed in the public docket and made available on the internet. If you submit an electronic comment, the EPA
recommends that you include your name and other contact information in the body of your comment and with any digital storage media you submit. If the EPA cannot read your comment due to technical difficulties and cannot contact you for clarification, the EPA may not be able to consider your comment.
Electronic files should not include special characters or any form of encryption and be free of any defects or viruses. For additional information about the EPAs public docket, visit the EPA Docket Center homepage at https
www.epa.gov/dockets.
The EPA is temporarily suspending its Docket Center and Reading Room for public visitors, with limited exceptions, to reduce the risk of transmitting COVID19. Our Docket Center staff will continue to provide remote customer service via email, phone, and webform.
We encourage the public to submit comments via https
www.regulations.gov/ as there may be a delay in processing mail and faxes.
Hand deliveries or couriers will be received by scheduled appointment only. For further information and updates on EPA Docket Center services, please visit us online at https
www.epa.gov/dockets.
The EPA continues to carefully and continuously monitor information from the CDC, local area health departments, and our Federal partners so that we can respond rapidly as conditions change regarding COVID19.
Submitting CBI. Do not submit information containing CBI to the EPA
through https www.regulations.gov/ or email. Clearly mark the part or all of the information that you claim to be CBI.
For CBI information on any digital storage media that you mail to the EPA, mark the outside of the digital storage media as CBI and then identify electronically within the digital storage media the specific information that is claimed as CBI. In addition to one complete version of the comments that includes information claimed as CBI, you must submit a copy of the comments that does not contain the information claimed as CBI directly to the public docket through the procedures outlined in Instructions above. If you submit any digital storage media that does not contain CBI, mark the outside of the digital storage media clearly that it does not contain CBI.
Information not marked as CBI will be included in the public docket and the EPAs electronic public docket without prior notice. Information marked as CBI

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will not be disclosed except in accordance with procedures set forth in 40 Code of Federal Regulations CFR
part 2. Send or deliver information identified as CBI only to the following address: OAQPS Document Control Officer C40402, OAQPS, U.S.
Environmental Protection Agency, Research Triangle Park, North Carolina 27711, Attention Docket ID No. EPA
HQOAR20200560. Note that written comments containing CBI and submitted by mail may be delayed and no hand deliveries will be accepted.
Preamble acronyms and abbreviations. We use multiple acronyms and terms in this preamble.
While this list may not be exhaustive, to ease the reading of this preamble and for reference purposes, the EPA defines the following terms and acronyms here:
AEGL acute exposure guideline level two AERMOD air dispersion model used by the HEM3 model CAA Clean Air Act CalEPA California EPA
CBI Confidential Business Information CDX Central Data Exchange CEDRI Compliance and Emissions Data Reporting Interface CFR Code of Federal Regulations ECHO EPAs Enforcement and Compliance History Online database EPA Environmental Protection Agency ERPG emergency response planning guidelines ERT Electronic Reporting Tool GACT generally available control technology HAP hazardous air pollutants HCl hydrochloric acid HEM3 Human Exposure Model, Version 1.5.5
HF hydrogen fluoride HI hazard index HQ hazard quotient ICR Information Collection Request IRIS EPAs Integrated Risk Information System km kilometer MACT maximum achievable control technology MIR maximum individual risk NAAQS National Ambient Air Quality Standards NAICS North American Industry Classification System NEI National Emissions Inventory NESHAP national emission standards for hazardous air pollutants NOAEL No Observed Adverse Effect Level NOCS Notification of Compliance Status report NRDC Natural Resources Defense Council NSPS new source performance standards OMB Office of Management and Budget OSHA Occupational Safety and Health Administration PBHAP hazardous air pollutants known to be persistent and bio-accumulative in the environment PDF portable document format PM particulate matter
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POM polycyclic organic matter ppm parts per million PRA Paperwork Reduction Act REL reference exposure level RfC reference concentration RTR residual risk and technology review SAB Science Advisory Board SSM startup, shutdown, and malfunction SV screening value TOSHI target organ-specific hazard index tpy tons per year TRIM.FaTE Total Risk Integrated Methodology. Fate, Transport, and Ecological Exposure model UF uncertainty factor URE unit risk estimate USGS U.S. Geological Survey
Organization of this document. The information in this preamble is organized as follows:
I. General Information A. Does this action apply to me?
B. Where can I get a copy of this document and other related information?
II. Background A. What is the statutory authority for this action?
B. What is this source category and how does the current NESHAP regulate HAP
emissions?
C. What data collection activities were conducted to support this action?
D. What other relevant background information and data are available?
III. Analytical Procedures and DecisionMaking A. How do we consider risk in our decision-making?
B. How do we perform the technology review?
C. How do we estimate post-MACT risk posed by the source category?
IV. Analytical Results and Proposed Decisions A. What actions are we taking pursuant to CAA sections 112d2 and 112d3?
B. What are the results of the risk assessment and analyses?
C. What are our proposed decisions regarding risk acceptability, ample margin of safety, and adverse environmental effect?
D. What are the results and proposed decisions based on our technology review?
E. What other actions are we proposing?
F. What compliance dates are we proposing?
V. Summary of Cost, Environmental, and Economic Impacts A. What are the affected sources?
B. What are the air quality impacts?
C. What are the cost impacts?
D. What are the economic impacts?
E. What are the benefits?
VI. Request for Comments VII. Submitting Data Corrections VIII. Statutory and Executive Order Reviews A. Executive Order 12866: Regulatory Planning and Review and Executive Order 13563: Improving Regulation and Regulatory Review B. Executive Order 13771: Reducing Regulations and Controlling Regulatory Costs
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