North Carolina

Our expertise in in navigating Federal, State, and Local air quality regulations enables clients to achieve their business goals efficiently and effectively. We assist clients with obtaining air quality permits from the North Carolina Department of Environmental Quality (DEQ) and Local Ordinances, including preconstruction permits, operating permits, Title V Operating Permits, and PSD Major New Source Review permits. Our experts ensure compliance with State and Local modeling requirements, addressing toxic air contaminants and local emission standards. From air dispersion modeling to permitting and compliance strategies, we simplify complex requirements to reduce risk and maintain flexible operations.

We deliver North Carolina-specific environmental reporting support through our collaborative relationships with the North Carolina Department of Environmental Equality (DEQ) seven regional offices. Our support covers preparing and filing air, water, and waste submittals so your operations meet state and federal deadlines with confidence. Contact us for help with your Title V certifications, NSPS/NESHAP reports, Tier II, Hazardous Waste Reports, Air Emissions Inventories, TRI and GHG reports, and any other compliance reports.

North Carolina-focused air dispersion modeling that meets NC DEQ requirements—demonstrating NAAQS and property-line compliance to streamline NSR/PSD permitting across the state.

Trinity has extensive experience with in-depth water compliance, permitting, and strategy support for new and existing facilities. Our team specializes in NPDES permitting for stormwater and wastewater discharge. We can also assist with routine reporting, notification and corrective action plans for non-compliance, and preparation or updates to Stormwater Pollution Prevention (SWPP) Plans and Spill Prevention, Control, and Countermeasure (SPCC) Plans for oil storage.

We offer comprehensive EHS management services that strengthen compliance, reduce risk, and drive operational excellence. We deliver solutions including gap analysis, system development, training, EHS auditing, ISO certification readiness, and innovative digital solutions helping organizations implement practical strategies that improve efficiency and build stakeholder confidence.

We empower organizations to achieve sustainability objectives with practical, results-driven solutions. From quantifying and reporting Scope 1, 2, and 3 emissions to decarbonization and strategic planning, we turn complex requirements into measurable success.