The answer depends on the facility’s backup-power design and whether it includes diesel generators, gas engines, turbines, or no onsite combustion beyond limited emergency equipment.
Air permits identify equipment, limits, monitoring, and sometimes operating-hour restrictions.
What to verify locally: Learn the difference between a concern, a proposal, and a documented permit condition.
Read an air permit
Use original public records whenever possible. A developer statement can explain an intent; an approval, permit, or utility filing is where enforceable details are more likely to appear.
Know the equipment
Record the date, document title, agency, page number, and project address. That turns a claim into something another reader can check.
Evidence standard: this guide avoids treating a proposal as a completed project, and avoids treating a missing record as proof that no impact exists.