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Services
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EHS Management
- Auditing and Verification
- California GHG and Offset Project Verification Services
- CDP Verification and Assurance
- CFATS Compliance
- Due Diligence Support
- EHS Business Risk Management
- EHS Management Systems
- Energy Management
- Environmental Impact Assessment
- Litigation Support
- Noise and Vibration
- Odor Analysis
- RMP PSM Support
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Technology
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Training
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eLearning
Webinars
- Webinar Series: Practical Guide to Air Quality Compliance for the Oil & Gas Industry - Part 1: Regulated Emission Sources and Pollutants
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Online
- Webinar Series: Practical Guide to Air Quality Compliance for the Oil & Gas Industry - Part 2: GHG Mandatory Reporting Rule (Subpart W)
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Online
- Webinar: An Overview of Canadian Environmental Emergency (E2) Plans
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Online
Seminars
- Complimentary Luncheon: Federal and Wisconsin-Specific Regulatory Update
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- Green Bay, WI
- Complimentary Luncheon: Federal and Louisville Specific Regulatory Update, and TRI Refresher
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- Louisville, KY
- Complimentary Luncheon: Federal and Ohio Specific Regulatory Update, Permit Renewal Best Practices, and TRI Refresher
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- Cincinnati, OH
- Complimentary Luncheon: Federal and Kentucky Specific Regulatory Update, Kentucky Permitting Insights, and TRI Refresher
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- Lexington, KY
- Complimentary Luncheon: Federal and Ohio Specific Regulatory Update, Permit Renewal Best Practices, and TRI Refresher
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- Columbus, OH
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Industries
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Aerospace
For more than 20 years, Trinity Consultants has assisted facilities in the aerospace industry with regulatory compliance and environmental management issues.
Agriculture
Trinity has a long history of assisting facilities with their regulatory compliance and environmental management systems.
Chemical & Pharmaceutical
Trinity helps chemical and pharmaceutical manufacturers to achieve regulatory and environmental compliance.
Electric Power
Trinity has assisted clients with nearly 500 power-related projects, offering an array of services.
General Manufacturing
Due to their nature, “general manufacturing” facilities are often faced with reviewing a wide range of regulations to determine applicability.
Government
Trinity provides a variety of services to government entities, including environmental permitting and compliance management.
Lime & Aggregates
Trinity Consultants has long been committed to assisting lime and aggregates facilities with their regulatory compliance needs.
Mining
Trinity takes pride in understanding the regulatory issues affecting our clients’ facilities and their industry.
Oil & Gas
Oil and gas facilities must contend with a variety of regulatory compliance and environmental management demands.
Petroleum Refining
Trinity helps petroleum refineries to achieve compliance with complex environmental regulatory requirements.
Portland Cement
Trinity Consultants has long been committed to assisting cement facilities with their regulatory compliance and environmental management needs.
Pulp & Paper
Trinity has extensive experience assisting the pulp and paper industry with its regulatory compliance and environmental management requirements.
Railroad
Railroads are faced with rapidly evolving state, regional, and federal regulatory framework in the United States.
Semiconductor
For more than 25 years, Trinity Consultants has assisted facilities in the semiconductor industry.
Terminals
Trinity Consultants has performed nearly 800 environmental permitting and compliance projects for clients with terminal operations, providing cost-effective, timely solutions that enhance compliance while maintaining operational flexibility.
Wood Products
For nearly 30 years, Trinity Consultants has assisted facilities such as those in the highly regulated wood products industry.
- News
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Federal News
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TSCA Title VI Formaldehyde Rule Compliance Moved Up to June 1, 2018
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On March 13, 2018, the United States District Court for the Northern District of California issued an order in the case of Sierra Club and A Community Voice-Louisiana vs. Scott Pruitt, which resulted in the compliance date for formaldehyde emission »
State News
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40 CFR Part 81: Additional Air Quality Designations for the 2015 Ozone National Ambient Air Quality Standards
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On April 30, 2018, this rule established initial air quality designations for all the remaining areas in USA, except for 8 counties in San Antonio, Texas area. Those areas will be designated by July 17, 2018. These final designations will take »
Company News
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Trinity Consultants Opens Office in Cheyenne, Wyoming
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Trinity Consultants recently opened an office in Cheyenne, Wyoming under the leadership of former Wyoming regulator Lori Bocchino. This marks the third new Trinity office in 2018 and the latest addition to Trinity's more than 50 offices across the »
EHS Management News
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ISO 14001:2015 Environmental Management System Standard: Addressing Risk and Opportunity
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IntroductionIn September 2015, the International Organization for Standardization published an updated version of the ISO 14001 environmental management system (EMS) standard. The revised standard (ISO 14001:2015) requires that current certificate »
Technology News
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Managing LDAR Data Cost Effectively
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Leak Detection and Repair (LDAR) involves finding facility components that are leaking and fixing them. The U.S. Environmental Protection Agency (EPA) has a long history of regulating industries (such as petroleum refining and chemical »
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TSCA Title VI Formaldehyde Rule Compliance Moved Up to June 1, 2018
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- Media
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Environmental Quarterly
Trinity's Environmental Quarterly (EQ) magazine covers environmental regulatory developments as well as topics related to corporate environmental performance.
all issues from 2009Federal Regulatory Summaries
View our monthly digests of environmental regulatory actions published in the U.S. Federal Register, with hyperlinks to the complete Federal Register notices.
all summaries from 2011Papers & Presentations
These papers, presentations, and articles were authored by the staff of Trinity Consultants for presentation at various conferences.
all papers & presentationsVideos
View recorded webinars on important regulatory developments and their implications for the regulated community.
all videos
- About Us
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Bigger Presence, Better Service, Unmatched Air Quality Expertise
Since its founding in 1974, Trinity has expanded its geographic footprint and breadth of services. We attribute our continued growth to a focus on cornerstone values of top-notch technical performance and excellence in client service.
- News
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Draft Cleaner Air Oregon Rules Published
On October 20, 2017, Oregon Department of Environmental Quality (ODEQ) released draft Cleaner Air Oregon rules. The draft rules and supporting documents can be found on ODEQ's website »
EPA Issues PCWP ICR to U.S. Wood Products Manufacturers
On October 6, 2017, EPA announced that the Plywood and Composite Wood Products (PCWP) Information Collection Request (ICR)/survey was sent to approximately 400 facilities via certified »
Oregon Air Toxics Benchmarks Proposed Rulemaking
On July 14, 2017, Oregon Department of Environmental Quality (DEQ) issued a proposed rulemaking regarding the air toxic ambient benchmarks codified in Oregon Administrative Rule (OAR) »
Oregon Toxics Rulemaking Update and Risk Assessments
The Oregon toxics rulemaking process and program overhaul started in April 2016 and is expected to wrap up with final rules by early 2018. Oregon Department of Environmental Quality (ODEQ) »
USEPA Finalizes Changes to Air Quality Modeling Guidance
On January 17, 2017, the U.S. EPA published a final rule that revises the Guideline on Air Quality Models (40 CFR Part 51, Appendix W). This publish date had established February 16 as the »
ODEQ Air Toxics Emission Inventory Request
Oregon Governor, Kate Brown, launched a new air toxics initiative, Cleaner Air Oregon, in April 2016. The program will develop new regulations to align industrial toxics regulations protecting »
Oregon Toxics Rulemaking Update
Oregon Governor, Kate Brown, launched a new air toxics initiative, Cleaner Air Oregon, in April 2016. The program will develop new regulations to align industrial toxics regulations protecting »
More news
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ODEQ Air Toxics Emission Inventory Request
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Oregon Governor, Kate Brown, launched a new air toxics initiative, Cleaner Air Oregon, in April 2016. The program will develop new regulations to align industrial toxics regulations protecting human health. The program is reforming Oregon's »
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Oregon Toxics Rulemaking Update
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Oregon Governor, Kate Brown, launched a new air toxics initiative, Cleaner Air Oregon, in April 2016. The program will develop new regulations to align industrial toxics regulations protecting human health. The program is reforming Oregon's »
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Supreme Court Stays the Implementation of USEPA's Clean Power Plan
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On Tuesday, February 9, 2016, the U.S. Supreme Court granted a stay of the final Carbon Pollution Emission Guidelines for Existing Stationary Sources: Electric Utility Generating Units (Clean Power Plan) until the applicants' petitions for review »
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Oregon Agencies Increase Scrutiny of Many Industries’ Current Air Emissions of Metals
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In an April 28, 2016 letter, the Oregon Department of Environmental Quality (ODEQ) provided Oregon Governor Kate Brown a list of 316 facilities statewide that "are authorized to release chromium and other metals" within their air permits. ODEQ »
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Oregon Clean Fuels Program (CFP)
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In order to reduce greenhouse gas (GHG) emissions associated with the use of transportation fuels in Oregon, the state’s Environmental Quality Commission (EQC) recently approved rules outlining the next phase of the Oregon Clean Fuels Program (CFP). »
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Ozone NAAQS Revisions Proposed
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On November 25, 2014, the U.S. EPA proposed to strengthen the National Ambient Air Quality Standards (NAAQS) for ground-level ozone. The current primary ozone standard (finalized in 2008) is 75 ppb. Two new NAAQS for ozone have been proposed, a »
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DEQ Proposes Temporary Revisions to Address Supreme Court GHG Ruling
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On November 12, 2014, the Oregon Department of Environmental Quality (DEQ) proposed temporary revisions to its air quality greenhouse gas (GHG) permitting rules to address the recent U.S. Supreme Court ruling on GHG permitting. Specifically, DEQ »
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DEQ Plans Rule Updates to Accommodate Supreme Court Decision on GHGs
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The Oregon Department of Environmental Quality (DEQ) proposed temporary revisions to portions of its air quality regulations to accommodate the recent Supreme Court decision on greenhouse gases (GHGs). In a June 23, 2014 ruling, the U.S. Supreme »
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Oregon Proposes Numerous Updates to Air Quality Regulations
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On June 16, 2014, the Oregon Department of Environmental Quality (DEQ) proposed various updates to its air quality permitting rules and related emission standards. DEQ’s proposal will streamline, reorganize, and update the air quality permit rules, »
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Various Oregon Regulatory Updates:
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DEQ Proposes Incorporation of Various Federal Standards. The Oregon Department of Environmental Quality (DEQ) recently proposed to align Oregon rules with changes to federal air quality regulations. Specifically, DEQ’s proposal would adopt the »
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Registration for Oregon Clean Fuels Program Due June 30th – Possible Impacts to Suppliers in Surrounding States
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The CFP applies to entities that import, produce, sell, supply or offer certain regulated transportation fuels for sale in Oregon. Entities that are subject to the Oregon Clean Fuels Program (CFP) must submit an application for registration to the »
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Recent Changes to Oregon Air Permitting Rules
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On April 21, 2011, the Oregon Department of Environmental Quality (DEQ) adopted new PM2.5 and greenhouse gas permitting rules. These rules replace the temporary rule that DEQ adopted on August 19, 2010. For sources permitted after May 1, 2011, an »
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EPA Authorizes GHG Permitting Deferral for Biogenic Sources
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On July 1, 2011, EPA signed the Deferral for CO2 Emissions from Bioenergy and Other Biogenic Sources under the Prevention of Significant Deterioration (PSD) and Title V Programs. According to the pre-publication copy of the rule currently available »
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Proposed Changes to Oregon Air Permitting Rules
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The Oregon Department of Environmental Quality (DEQ) has recently proposed a number of changes to its air permitting rules to incorporate PM2.5 and greenhouse gas (GHG) permitting into its New Source Review (NSR) and Title V permitting programs. For »
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New General Permits Available
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The Oregon Department of Environmental Quality (DEQ) proposed general air permits and/or permit attachments for the following source categories:Perchloroethylene Dry Cleaners (permit)Stage I and Stage II Gasoline Dispensing Facilities (permit and »
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Public Comment Period Open for Oregon GHG Reporting Protocols
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The Oregon Department of Environmental Quality (ODEQ) is allowing an opportunity for public comment on the Greenhouse Gas (GHG) Emissions Quantification Methodologies (EQMs) recently released by the Western Climate Initiative (WCI). ODEQ plans to »
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MACT Hammer Implementation in Oregon
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Like many state agencies, the Oregon Department of Environmental Quality (ODEQ) had initially intended to delay the implementation of the MACT Hammer for affected sources under Boiler MACT until EPA issues the revised Boiler MACT standard. However, »
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Updates to the Toxics Reporting Inventory (TRI) Reporting Requirements
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It's that time of year again! Annual TRI reports are due on July 1, 2009 and there have been a few changes to the reporting requirements. On April 21, 2009, the 2009 Omnibus Appropriations Act removed the requirements that were added to the TRI »