United States
Illinois - Chicago - EC
Trinity's Chicago staff bring extensive hands-on experience with Illinois environmental permitting and compliance. Since 2000, Trinity's Chicago office has locally served clients on more than 3,800 projects in a wide range of industries. With in-depth knowledge of the state and federal permitting and compliance processes, we support industrial clients with authorizing capital projects and enforcement negotiations with EPA Region 5 and the Illinois Environmental Protection Agency.
Some of the industries we serve include:
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Local Leadership
Chloe Reece
Principal Consultant- Phone:
- 630.495.1470
- Email:
- creece@trinityconsultants.com
Illinois - Chicago - EC
1801 S. Meyers Rd, Suite 350
Oakbrook Terrace, Illinois 60181
- Phone:
- 630.495.1470
- TOLL-FREE:
- 888.555.2340
Illinois - Chicago - EC
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.
Auditing and Verification
Boost EHS compliance and performance with tailored Auditing & Verification solutions for regulatory compliance, management systems, and risk management.
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 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.
Ecological Impact Assessment
Large-scale developments and those affecting protected sites usually require an Environmental Impact Assessment (EIA) to be conducted, including an Ecology Chapter or Ecological Impact Assessment (EcIA).
Process Safety Management
Trinity experts provide Process Safety Management (PSM) support that ensures safe handling of hazardous processes, preventing accidents & protecting workers, communities, & environment.
Risk Management Program Support
Trinity’s team of RMP experts are committed to identifying, assessing, documenting, and addressing risks to ensure the safety of our clients, community, and the environment for chemical accident prevention.
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.
Sustainability Program Support and ESG Disclosure
Trinity elevates your sustainability journey with expert ESG support, managing risks, seizing opportunities, and ensuring compliance with global standards.
Tank Services
Maximize tank compliance and design efficiency with Trinity's comprehensive environmental services, including permits, emissions calculations, and floating roof expertise streamlined with AP-42 updated tools.
TSDF Support
Hazardous Waste Treatment, Storage, and Disposal Facilities (TSDFs)Insights
Local News
Illinois EPA Adopts New General NPDES Stormwater Permit
Illinois EPA eliminates SMB exemption in compliance with US EPA mandate
State-Focused Environmental Reporting Resources for RY2020
PM2.5 NAAQS Updates and Impacts to Illinois Air Permitting
On February 7, 2024, the United States Environmental Protection Agency (USEPA) released a pre-publication version of a revised rule to decrease the National Ambient Air Quality Standard (NAAQS) for annual fine particulates (PM2.5) from 12 micrograms per cubic meter (ug/m3) to 9 ug/m3. The final rule was published on March 6, 2024, and became effective on May 6, 2024. The limits for the 24-hour PM2.5 standard (35 ug/m3), the secondary annual PM2.5 standard (15 ug/m3), and the PM10 standard (15...
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