United States
Washington, D.C. - EC
Established in 2001, Trinity’s Washington, D.C. office is highly regarded as a quality-focused environmental consulting firm with extensive experience assisting facilities within the District of Columbia. Our talented and experienced staff allows Trinity to deliver insightful solutions efficiently and cost effectively. Our office has in-depth knowledge of the local and federal permitting and compliance processes our clients face. Trinity is a proud member of GSA Advantage to offer federal agencies an easy way to work with us. Our contract number is 47QRAA24D0020.
Our team of seasoned environmental professionals are able to provide up-to-date knowledge and expertise whatever your environmental permitting or compliance need may be in this ever-changing environmental climate.
Local Leadership
Susan Barnes
Principal Consultant- Phone:
- 240.379.7490
- Email:
- sbarnes@trinityconsultants.com
Washington, D.C. - EC
5320 Spectrum Drive, Suite A
Frederick, Maryland 21703
- Phone:
- 240.379.7490
- TOLL-FREE:
- 888.555.2340
Washington, D.C. - EC
Our Services Offered
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.
Auditing and Verification
Boost EHS compliance and performance with tailored Auditing & Verification solutions for regulatory compliance, management systems, and risk management.
Chemical Inventory Reporting
Streamline EPCRA compliance with expert SDS/Tier II reporting, audits, hazard analysis, and cross-media impact management for chemical safety from Trinity.
Digital Solutions Approach
EHS and Sustainability Reporting
Streamline your EHS reporting with Trinity's regulatory compliance and sustainability reporting expertise for accuracy, efficiency, and reduced compliance risks.
EHS Business Risk Management
Trinity takes a holistic approach to elevating your EHS risk management, encompassing compliance, operational risks, sustainability, and business performance.
EHS Management Systems
Trinity's professionals bring decades of management system experience to client engagements, encompassing a complete spectrum of EHS&Q systems: ISO14001, RC14001, ISO 45001, ISO 50001, and ISO 9001.
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.Insights
Local News
DOEE Proposes to Revise Existing Source Category Permits
Answering the Frequently Asked Question: Is the New Monthly Reporting in CAERS Required?
DOEE Proposes Amendment for Opacity Limits for Fuel-Burning Equipment
Washington Issued the Draft Industrial Stormwater General Permit
Washington Department of Ecology (Ecology) issued the draft Industrial Stormwater General Permit (ISGP) on May 15, 2024. The current ISGP was issued in November 2019 and is scheduled to expire on December 31, 2024. There are notable changes proposed for the next ISGP which will likely affect most industrial facilities. The public comment period started on May 14, 2024, and will now end on July 15, 2024 at 11:59 pm. Ecology will hold two online workshops and hearings in June. For more deta...
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