If your source (equipment) type is not listed below, please use the General Air Pollutant Emission Notice form. A guidance document is available for each form.
Your application will be rejected if it is filled out incorrectly, is missing information, missing required forms, or lacks payment for the filing fee. The Form APCD-100 and all applicable forms on that checklist are required with every application. The re-submittal will require a new filing fee. See our Application Rejection Frequently Asked Questions page for more information.
The following application types are exempted from the requirement to submit the Permit Application/Registration Checklist (Form APCD-100):
- Air Pollutant Emission Notice (APEN) updates only (no changes to permit).
- Renewal of 5-year APEN term.
- Update to actual annual emissions, per AQCC Reg. 3, Part A, Section II.C.
- APEN exempt sources.
- Permit exempt sources.
- Administrative permit amendments. (Including but not necessarily limited to name changes, changes in contact information, transfers of ownership, and typographical error corrections.)
General APEN Form APCD-200
Amine sweetening unit APEN Form APCD-206
Boiler APEN Form APCD-220
Condensate storage tank(s) APEN Form APCD-205
Crude oil storage tank(s) APEN Form APCD-210
E&P Storage Tank APEN Addendum Form APCD-212
Facility-Wide Greenhouse Gas Emissions APEN Form APCD-235
Submit this notice to report facility-wide greenhouse gas emissions. This emission notice is required to be submitted annually on or before December 31 of each year, starting on or before December 31, 2023, for facilities directly emitting CO2e emissions equal to or greater than 25,000 metric tons per year. See Colorado AQCC Regulation No. 3, Part A, II.A.2. for additional information.
Fugitive component leak emissions APEN Form APCD-203
Gas venting APEN Form APCD-211
Glycol dehydrators unit APEN Form APCD-202
Hydrocarbon liquid loading APEN Form APCD-208
Produced water storage tank(s) APEN Form APCD-207
Routine or predictable emissions APEN Forms APCD-213 and APCD-215
Submit APCD-213 (and if necessary APCD-215) to report new/existing emissions from routine or predictable gas venting activities, complete a routine (five-year) Air Pollutant Emission Notice renewal, request permit modifications, or report changes in emissions, activities, or equipment. Routine or predictable gas venting activities include emissions from blowdowns of equipment/vessels, pigging, well unloading, downhole well maintenance, and other blowdown events. Refer to PS Memo 20-04 for more information on this source and APEN guidance.
- Form APCD-213 Routine or Predictable Gas Venting APEN.
- Form APCD-215 Routine or Predictible Gas Venting APEN Addendum (if reporting more than five [5] activities.)
- PS Memo 20-04.
Spark ignition and compression ignition engine APENs: Form APCD-201, Form APCD-233
Well production facility APEN Form APCD-216
Submit this notice to report emissions from new well production facilities registering under general permit GP09 or GP10. Refer to PS Memo 20-03 for more information on this source."