Opacity observations per EPA Method 9 and Method 22 to demonstrate compliance with air permits and NSPS Subpart OOO.
Evaluations conducted by EPA Method 9 certified personnel for defensible, technically accurate observations.
Opacity (Method 9) and intermittent emissions (Method 22) services to satisfy varying regulatory standards.
Support for crushers, screens, conveyors, and transfer points—complete documentation for compliance files.
Field logs, weather records, site sketches, and photos packaged in an audit-ready report.
Get a quick summary of common state-level rules we encounter.
Our observers maintain current EPA Method 9 certification and follow documented quality procedures.
We help select the appropriate method(s) based on your permit and units in service.
Support for affected facilities at nonmetallic mineral processing plants.
Optional: Drone overlays and site maps that show observation points, plume path, and nearby receptors.