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Air Forms and Applications
Welcome to the Agency’s Air Forms, Applications, and Guidance Page. Here you will find everything you need to successfully complete air permit applications, required Title V Reports, information on Emissions Inventory, and other pertinent information to meet regulatory requirements. The items within this section include application instructions, official guidance documents, common FAQs, and other required forms to help you navigate the process with confidence. In addition, this resource hub provides links to notifications, such as the Notification of Change (NOC-1) form, along with important information about ending or modifying permits. Whether you are applying for a new permit, seeking clarification on compliance rules, or submitting an air permit rescission request, these materials are designed to make the process clear, efficient, and accurate.
Scroll left or right to view all air permit applications, instructions, and questionnaires.
Duly Authorized Representative (DAR) Form
A person or someone holding a particular job title may be authorized as a duly authorized representative (DAR) of the responsible official. DARs should be designated and authorized before signing air permitting documents or applications.
Notification of Case-By-Case Insignificant Activities
Case-by-case insignificant activity notification procedures may be used to exempt a source or activity that meets the criteria outlined in LAC 33:III.501.B.5, Table 1 from permitting requirements. The Notification of Case-By-Case Insignificant Activity form should be used to claim the exemption and must be submitted to and approved by the Louisiana Department of Environmental Quality (LDEQ) before operations commence.
Notification of Change (NOC-1)
When a site undergoes a company name change, facility name change, and/or permit transfer associated with ownership and/or operator changes, a Notification of Change Form must be submitted in accordance with LAC 33:I.Chapter 19.
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Notification of Change (NOC-1)
Audits
LDEQ's voluntary environmental self-audit program was established to enhance protection of human health and the environment and increase environmental compliance at regulated entities.
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Click to download the Notice of Audit Form
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Click to download the Disclosure of Violation Form
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Click to download the "Louisiana Department of Environmental Quality: Environmental Self-Audit Program Explained" document
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Click to visit the Environmental Audit Program page for more information
Title V Program Forms
Title V Semiannual Monitoring and Annual Compliance Certification
NEW- Beginning with the 2026 First Semiannual Reporting Period, all Title V permittees are required to use LDEQ's Semiannual and Annual Compliance reporting forms.
Title V Semiannual Monitoring
All facilities that operate under a Louisiana Department of Environmental Quality (DEQ) Title V air permit are required by both 40 CFR 70.6(a)(3)(iii)(A) and LAC 33:III.507.H.1 to submit at least every six months a monitoring report to the permitting authority only, the Louisiana DEQ. The semiannual monitoring reports are to be submitted to the Louisiana DEQ Office of Environmental Compliance, Enforcement Division by the dates of March 31 and September 30. The March 31 semiannual monitoring report encompasses the period of July through December, while the September 30 semiannual monitoring report encompasses the period of January through June. The previous information is present in all Louisiana DEQ Title V air permits as 40 CFR Part 70 General Condition K.
Excel does not include the facility identification & certification statement or deviation summary forms. These forms are only available in Word.
Title V Annual Compliance Certification
All facilities that operate under a Louisiana Department of Environmental Quality (DEQ) Title V air permit are required by both 40 CFR 70.6(c)(5) and LAC 33:III.507.H.5 to submit an annual compliance certification to the Administrator, USEPA Region VI, and the Louisiana DEQ, the permitting authority. The compliance certification is to be submitted to the Louisiana DEQ Office of Environmental Compliance, Enforcement Division and USEPA Region VI by March 31 for the preceding calendar year. The previous information is present in all Louisiana DEQ Title V air permits as 40 CFR Part 70 General Condition M. The annual compliance certification is separate from semiannual monitoring reports, which must be submitted only to the Louisiana DEQ Office of Environmental Compliance, Enforcement Division at least every six months by the dates of March 31 and September 30.
Excel does not include the facility identification & certification statement or deviation summary forms. These forms are only available in Word.
Emissions Inventory
Regulated point sources of criteria and toxic air pollutants must submit an inventory of annual criteria pollutant emissions pursuant to the requirements of LAC 33:III.919 and LAC 33.III.5107.
Emissions Reporting & Inventory Center (ERIC)
Emission inventory reports must be submitted on or before April 30th of the following calendar year.
Stack Testing
The Engineering Support Group of the Air Permits Division provides source testing guidance for the regulated facilities in Louisiana. Stack testing can now be scheduled online! A copy of your notification and protocol will be sent directly to the Engineering Support Group AND the appropriate regional office. There is no need to submit notifications or protocols by mail for stack tests that are scheduled online.
Engineering Notifications, Stack Testing Tools and Resources
Our Resource List provides official guidance documents designed to help applicants complete environmental forms and applications with confidence. These resources explain requirements step‑by‑step, offer practical tips, and clarify common questions. Whether you are applying for permits, submitting compliance reports, or filling out state environmental forms, the guidance materials in this list make the process easier and more accurate.