Shell Plan Approval Permit

On January 30, 2026, the Southwest Regional Air Quality Program published a Proposed Draft Plan Approval PA-04-00740D for the Shell Polymers Monaca facility. Public notice of DEP’s draft plan approval will be published in the February 14, 2026 edition of the Pennsylvania Bulletin.

• Shell SPM Review Memo (PDF)
• Proposed Draft Plan Approval (PDF)
• Inhalation Risk Assessment Modeling Summary (PDF)
• Inhalation Risk Assessment Summary (PDF)
• Prevention of Significant Deterioration Analysis Summary (PDF)

The Department will be hosting public events related to proposed Plan Approval PA-04-00740D under the Environmental Justice Policy.

On Thursday March 19, 2026, DEP will hold a public information meeting for individuals to learn more about the proposed draft and ask questions of DEP permitting staff. The meeting will take place at The Pennsylvania State Unitersity Beaver Campus, at 100 University Drive Monaca, PA 15061.

On Tuesday April 7, 2026, DEP will hold a public hearing to receive testimony on Proposed Draft Plan Approval PA-04-00740D. The hearing will take place at Penn State Beaver, in the auditorium at 100 University Drive Monaca, PA 15061.

Members of the public will have the opportunity to present up to three minutes of oral testimony relevant to the draft permit.

Those wishing to register for the public hearing must contact Emily Green, Southwest Regional Environmental Justice Coordinator, by email at emgreen@pa.gov or by calling 412-442-4042 at least 24 hours before the hearing. DEP requests that organizations designate one spokesperson to present testimony on their behalf. Individuals should provide a copy of their testimony and exhibits for submission to DEP at the hearing. Submitted materials are not limited in length and must include the name, address, and phone number of the person submitting them. DEP will equally consider all comments, whether delivered orally during the hearing or submitted in writing.

Individuals wishing to attend who require an auxiliary aid, service, or other accommodations to participate should contact Emily Green. The Pennsylvania AT&T Relay Service is available by calling 1-800-654-5984 (TTD users) or 1-800-654-5988 (voice users) and request that the call be relayed to Emily Green at 412-442-4042.

Contact Information

If you have questions about this application or DEP’s application review process, please contact:

Sheri Guerrieri
Environmental Engineering Manager
DEP SW Air Quality Program
shguerrier@pa.gov
412-442-4147

If you have questions about environmental justice, please contact:
Emily Green
SW Regional Coordinator
DEP Office of Environmental Justice
emgreen@pa.gov
412-442-4042