United States
California - Sacramento
- Emission inventories and agency reporting
- NSR, Title V, PSD, and minor permitting strategies and applications
- Meteorological data evaluations and ambient dispersion modeling
- Permitting and ongoing regulatory support
- Periodic audits and rule compliance reporting
- EMS and EMIS implementation
- GHG and climate change inventory and reporting
- On-site staffing assistance
- Agency negotiations
- Spill Prevention, Control, and Countermeasure (SPCC) Plans
- Industrial wastewater permits
- Stormwater permits and plans
- Environmental due diligence assessments
- Hazardous Material Business Plans
- Risk management (CalARP and EPA RMP)
- Health risk assessments
- California Environmental Quality Act (CEQA) Initial Studies for industrial operations
- U.S. Environmental Protection Agency | US EPA
- California Air Resources Board
- Department of Toxic Substances Control | DTSC
- California Energy Commission
- Sacramento Metropolitan Air Quality Management District
- The Placer County Air Pollution Control District
- Yolo-Solano Air Quality Management District
- The San Joaquin Valley Air Pollution Control District
- The Shasta County Air Quality Management District (AQMD)
- Sacramento region's CUPA
Local Leadership
California - Sacramento
7919 Folsom Blvd, Suite 320
Sacramento, California 95826
- Phone:
- 916.444.6666
- TOLL-FREE:
- 888.555.2340
California - Sacramento
Our Services Offered

Air Dispersion Modeling
Trinity provides a wide range of air quality modeling consulting services for regulatory applications, emergency planning, and human health assessments.
Air Quality Permitting
Trinity Consultants are experts in air permitting support for compliance with the Clean Air Act, offering comprehensive services from strategy, application development, and agency negotiations.
Ambient Monitoring and Service Integration
Trinity's ambient air quality monitoring expertise ranges from the design and implementation of monitoring stations to routine operations, data validation, and official reporting to meet EPA and state requirements.
EHS and Sustainability Reporting
Streamline your EHS reporting with Trinity's regulatory compliance and sustainability reporting expertise for accuracy, efficiency, and reduced compliance risks.
Emissions Calculations, Inventories, and Reporting
Trinity specializes in comprehensive emissions inventory and reporting for facilities, leveraging EPA and industry data to accurately identify and quantify emissions utilizing detailed reporting and advanced EHS digital solutions.
Health Risk Assessment
Trinity is the industry leader in air dispersion modeling studies, population exposure assessments, health risk characterizations, ambient monitoring and related air toxics work.
Spill Prevention, Control, and Countermeasure Plan (SPCC)
Trinity has the expertise to develop SPCC Plans across numerous industrial facilities and can assist with plan revisions and program audits.
Stormwater Pollution Prevention Plan (SWPPP)
Trinity is the leading industry regulatory expert in SWPPP stormwater runoff from industrial facilities and construction sites that can contaminate rivers, lakes, and coastal waters.
Waste Compliance Support
Trinity experts provide assistance and guidance to ensure adherence to regulations and standards regarding the handling, storage, treatment, and disposal of waste materials.Insights
Local News
CARB Nonattainment Area Designations Recommendations for the Federal 9.0 μg/m3 Annual PM2.5 NAAQS
SCAQMD Rule 317.1 Notice of Applicability Next Steps
California Sees Flurry of “Waiver” Activity Ahead of New Administration
Bay Area Air District Warehouse Indirect Source Rule Incoming?
The Bay Area Air District (BAAD) is considering developing a rule to reduce air emissions and health impacts to the public from indirect sources, specifically targeting warehouses and distribution centers. BAAD discusses the benefits of regulating indirect emissions during a stationary source committee meeting on March 12, 2025, including any challenges that may arise during the development and implementation process. BAAD is reviewing and considering similar rules from other air district...
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