Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Air Quality Implementation Plans

EPA Approved Statutes and Regulations in the Knox County, TN LIP

About this website: This website does not necessarily represent the current version of the SIPs, TIPs, or FIPs.  The official SIPs, TIPs, and FIPs are contained in regulations promulgated in the Federal Register and codified in the U.S. Code of Federal Regulations (CFR).  While we make every effort to maintain the accuracy of the files accessible here, inconsistencies may occur.  Please contact us using the link below if you find any errors in these files.

Updated as of: April 15, 2026

EPA Contact: EPA Region 4: Gillian Walshe-Langford (404-562-9583)

EPA Approved Statutes and Regulations in the Knox County, TN LIP

State citationTitle/subjectState effective dateEPA approval dateExplanation
12.0Introduction - Section 12 - Introduction (pdf) (106.17 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
13.0Definitions - Section 13 - Definitions (pdf) (197.14 KB, 5/16/25) 1/24/201812/10/2019, 84 FR 67379 
14.0Ambient Air Quality Standards - Section 14 - Ambient Air Quality Standards (pdf) (121.97 KB, 5/16/25) 7/19/19892/21/1990, 55 FR 5985 
15.0Prohibitions of Air Pollution - Section 15 - Prohibitions of Air Pollution (pdf) (131.99 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
16.0Open Burning - Section 16 - Open Burning (pdf) (145.84 KB, 5/16/25) 12/14/20051/3/2007, 72 FR 20With the exception of 16.2—Definitions.
16.2Definitions1/24/201812/10/2019, 84 FR 67379 
17.0Regulation of Visible Emissions - ​​​​​​​ Section 17 - Regulation of Visible Emissions (pdf) (131.7 KB, 5/16/25) 10/13/199311/01/1994, 59 FR 54523 
18.0Regulation of Non-Process Emissions - ​​​​​​​ Section 18 - Regulation of Non-Process Emissions (pdf) (195.4 KB, 5/16/25) 10/13/199311/01/1994, 59 FR 54523 
19.0Regulation of Process Emissions - ​​​​​​​ Section 19 - Regulation of Process Emissions (pdf) (158.57 KB, 5/16/25) 12/11/19966/8/1998, 63 FR 31121 
20.0Regulation of Incinerators - ​​​​​​​ Section 20 - Regulation of Incinerators (pdf) (115.35 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
22.0Regulation of Fugitive Dust and Materials - Section 22 - Regulation of Fugitive Dust and Materials (pdf) (126.8 KB, 5/16/25) 1/10/20011/3/2007, 72 FR 23 
23.0Regulation of Hydrocarbon Emissions - ​​​​​​​ Section 23 - Regulation of Hydrocarbon Emissions (pdf) (110.13 KB, 5/16/25) 6/16/197210/28/1972, 37 FR 23085 
24.0Regulation of Airborne and Windborne Materials - ​​​​​​​ Section 24 - Regulation of Airborne and Windborne Materials (pdf) (120.74 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
Section 25.0—Permits - ​​​​​​​ Section 25 - Permits Regulation (pdf) (195.4 KB, 5/16/25)
25.1Construction Permit1/18/20179/17/2018, 83 FR 46882 
25.3Operating Permit1/18/20179/17/2018, 83 FR 46882 
25.2; 25.4; 25.5; 25.6; 25.7; 25.10Application for Permit; Compliance Schedule; Reporting of Information; Exemptions; Payment of Fees; Permit by Rule3/12/20144/22/2016, 81 FR 23640 
25.11Limiting a Source's Potential to Emit of VOC by Recordkeeping10/18/201712/10/2019, 84 FR 67379 
26Monitoring, Recording, and Reporting - ​​​​​​​ Section 26 - Monitoring, Recording, and Reporting Regulations (pdf) (173.22 KB, 5/16/25) 1/21/201511/5/2015, 80 FR 68450With the exception of 26.7—Emission Inventory Requirements.
26.7Emission Inventory Requirements -10/18/201712/10/2019, 84 FR 67379 
27.0Sampling and Testing Methods - ​​​​​​​ Section 27 - Sampling and Testing Methods Regulations (pdf) (150.41 KB, 5/16/25) 6/10/19924/28/1993, 58 FR 25777 
28.0Variances - ​​​​​​​ Section 28 - Variances (pdf) (126.48 KB, 5/16/25) 6/10/19924/28/1993, 58 FR 25777 
29.0Appeals - ​​​​​​​ Section 29 - Appeals (pdf) (128.7 KB, 5/16/25) 5/25/199412/26/1995, 60 FR 66748 
30.0Violations - ​​​​​​​ Section 30 - Violations (pdf) (129.39 KB, 5/16/25) 1/10/19963/26/1997, 62 FR 14327 
31.0Right of Entry - ​​​​​​​ Section 31 - Right of entry (pdf) (115.31 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
32.0Use of Evidence -   Section 32 - Use of evidence (pdf) (115.25 KB, 5/16/25) 11/12/201512/16/2016, 81 FR 91034EPA is replacing the language in Section 32.1(C) with “(Reserved)”.
33.0Confidentiality and Accessibility of Records - Section 33 - Confidentiality and accessibility of records (pdf) (123.19 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
34.0Malfunction of Equipment -  Section 34 - Malfunction of equipment (pdf) (125.7 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
36.0Emergency Regulations - ​​​​​​​ Section 36 - Emergency Regulations (pdf) (155.62 KB, 5/16/25) 7/19/19892/21/1990, 55 FR 5985 
37.0Separation of Emissions -  Section 37 - Separation of emissions (pdf) (97.7 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
38.0Combination of Emissions -  Section 38 - Combination of emissions (pdf) (98.87 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
39.0Severability - ​​​​​​​ Section 39 - Severability (pdf) (96.14 KB, 5/16/25) 6/18/19868/3/1989, 54 FR 31953 
41.0Regulation for the Review of New Sources - ​​​​​​​ Section 41 - Regulation for the review of new sources (pdf) (508.15 KB, 5/16/25) 1/18/20179/17/2018, 83 FR 46882 
45.0Prevention of Significant Deterioration - ​​​​​​​ Section 45 - Prevention of Significant Deterioration (pdf) (573.6 KB, 5/16/25) 7/20/20169/17/2018, 83 FR 46882 
46.0Regulation of Volatile Organic Compounds - ​​​​​​​ Section 46 - Regulation of volatile organic compounds (pdf) (390.46 KB, 5/16/25) 8/12/20092/28/2013, 78 FR 13499 
47.0Good Engineering Practice Stack Height - Section 47 - Good engineering practice stack height (pdf) (135.76 KB, 5/16/25) 10/13/199311/1/1994, 59 FR 54523 
51.0Standards for Cement Kilns - ​​​​​​​ Section 51 - Standards for Cement Kilns (pdf) (141.55 KB, 5/16/25) 7/11/20014/12/2007, 72 FR 18391 

[64 FR 35012, June 30, 1999]

Editorial Note: For Federal Register citations affecting §52.2220, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.fdsys.gov.

Air Quality Implementation Plans

  • About Air Quality Implementation Plans
  • Approved Air Quality Implementation Plans
  • Develop an Air Quality SIP
  • Find a Regional Contact for Air Quality SIPs/FIPS/TIPs
  • Tools for SIP Status
Contact Us about Air Quality Implementation Plans
Contact Us about Air Quality Implementation Plans to ask a question, provide feedback, or report a problem.
Last updated on April 15, 2026
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.