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Electronic Permit Submittal System - Region 9

The Electronic Permit Submittal System (EPSS) allows state and local permitting authorities to electronically submit proposed and final Title V permits to EPA. It also allows public on-line viewing of permits, statements of basis, and correspondence from state and local air agencies, as well as EPA Region 9 comments on proposed permits. Note that this database is only complete where permitting authorities submit permits electronically to EPA via EPSS. When permits are not submitted through EPSS, only summary data may be available.

Proposed Permits
Permits that are under review by EPA (includes permits proposed for Issuance by EPA)

EPA Comments
EPA's comments on proposed permits

EPA Objections
"Vetoes" of proposed Title V permits

Final Title V permits

Facility List
Stationary sources of air pollution in Region 9

All EPSS Documents
All documents in the database, sorted by state

  • Definitions of Fields in the Database

    AFS Plant ID

    ID number used to track facilities in airS. The first five digits are the state and county codes.

    Applicable Requirements

    Lists in generic fashion all applicable requirements that apply to a facility, such as "NSR" (New Source Review) and "NESHAP/MACT" (National Emission Standards for Hazardous Air Pollutants/Maximum Achievable Control Technology).


    County in which the facility is located.

    County Code

    Three digit airS county code.

    Description of Proposed Modification

    If an applicant is applying for a modification, i.e. adding or changing an emission unit or control device, this field can be used to describe the proposed modification.

    EPA First Receives Proposed Permit

    Date that EPA first receives a proposed permit starts its review period, which is 45 days for Title V permits.

    EPA Review Period Ends

    Date that EPA review period ends.


    Name of a facility.

    General Description of Process/Products

    Description of industrial process and/or equipment in use at facility, such as storage and distribution of petroleum or "gas turbine".

    Link Engineering Report

    Clicking on the icon in this field, if present, will open an engineering the report submitted with a proposed permit.

    Link Other Project Documents

    Clicking on the icon(s) in this field, if present, will open other documents related to the permit, such as correspondence.

    Link Permit Conditions

    Clicking on the icon(s) in this field, if present, will open display the full text of a permit.

    Permit Features

    Issues of concern to EPA permit reviewers, such as "Permit streamlines overlapping or outdated requirements or "Permit Shield Applies".

    Permit Number

    Permit number as assigned by the state or local air pollution control agency.

    Permit Type

    Indicates what type of permit the facility has applied for: Operating Permit (Title V), Authority to Construct, Enhanced NSR, Integrated permit (both ATC and Title V), Acid Rain, Federally Enforceable State Operating Permit (FESOP), or Non-federally Enforceable State Operating Permit

    Revised End Date of EPA Review Period

    End date of EPA's review period, if this date has been revised after the submittal of additional information by the permitting authority.

    Standard Industrial Code

    Four digit Standard Industrial Code for the facility.

    State Code

    Two digit airS (Aerometric Information Retrieval System) state code.

    State/Local Control Agency

    Name of state or local air pollution control agency that issues permits.


    Indicates the status of a permit: pre-draft, draft, proposed, or final. EPA has 45 days to review and comment on proposed Title V permits.

    Submittal Complete/EPA Review Period Starts

    This field is used to indicate the revised start date of EPA's review period in cases where EPA lacked sufficient information to begin its review of a proposed permit when it was first submitted.

    This permit is for

    Indicates whether a permit applies to a single emission unit, multiple emission units, or the entire facility.

    Type of Facility

    General description of facility, such as "crude oil production", "power plant" or "stone quarrying and processing".

    Type of Permit Action

    Indicates whether the permit is an initial (new) permit, an administrative amendment, a minor modification, a significant modification, or a renewal.

    VOC, NOx, PM-10, SO2, CO, Lead, and Hazardous Air Pollutants

    Regulated pollutants with permitted emission limits in tons per year.

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