United States
California - San Diego
Local Leadership

Scott Cohen
Manager of Consulting Services- Phone:
- 619.894.9670
- Email:
- scott.cohen@trinityconsultants.com
California - San Diego
3990 Old Town Ave, Suite A203
San Diego, California 92110
- Phone:
- 619.894.8669
- TOLL-FREE:
- 888.555.2340
California - San Diego
Our Services Offered

NEPA Support
Our team of scientists, consultants, and project managers are experienced in developing and managing diverse NEPA projects and compliance activities.
CEQA Support
Trinity's CEQA regulatory expertise, technical proficiency, responsiveness, and creative thinking empower clients with the insights needed to comply with confidence.
Land Use Planning Services
Trinity Consultants' land use planning engineers maximize project potential with expertise in feasibility, permits, CEQA/NEPA, compliance, public hearings, and regulatory negotiations.Insights
Local News
SCAQMD Rule 317.1 Notice of Applicability Next Steps
California Sees Flurry of “Waiver” Activity Ahead of New Administration
Cumulative Air Toxics – South Coast AQMD is Developing New CEQA Methods Impacting New Construction, Major Projects and Permitting
CARB Nonattainment Area Designations Recommendations for the Federal 9.0 μg/m3 Annual PM2.5 NAAQS
The U.S. Environmental Protection Agency (U.S. EPA) revised the annual National Ambient Air Quality Standard (NAAQS or standard) for particulate matter 2.5 micrometers or less in diameter (PM2.5) from 12.0 µg/m3 to 9.0 µg/m3 on February 7, 2024. The State of California is required to submit recommendations for nonattainment area designations and boundaries to U.S. EPA by February 7, 2025. The deadline for U.S. EPA to finalize designations is February 6, 2026. On January 23, 2...
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