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For more than 20 years, Trinity Consultants has assisted facilities in the aerospace industry with regulatory compliance and environmental management issues.
Trinity has a long history of assisting facilities with their regulatory compliance and environmental management systems.
Trinity helps chemical and pharmaceutical manufacturers to achieve regulatory and environmental compliance.
Trinity provides dispersion modeling, permitting, and compliance support for coastal operations in the Outer Continental Shelf, Deepwater Ports, and liquefied natural gas terminals.
Trinity has assisted clients with nearly 500 power-related projects, offering an array of services.
Due to their nature, “general manufacturing” facilities are often faced with reviewing a wide range of regulations to determine applicability.
Trinity provides a variety of services to government entities, including environmental permitting and compliance management.
Trinity Consultants has long been committed to assisting lime and aggregates facilities with their regulatory compliance needs.
Trinity takes pride in understanding the regulatory issues affecting our clients’ facilities and their industry.
Oil and gas facilities must contend with a variety of regulatory compliance and environmental management demands.
Trinity helps petroleum refineries to achieve compliance with complex environmental regulatory requirements.
Trinity Consultants has long been committed to assisting cement facilities with their regulatory compliance and environmental management needs.
Trinity has extensive experience assisting the pulp and paper industry with its regulatory compliance and environmental management requirements.
Railroads are faced with rapidly evolving state, regional, and federal regulatory framework in the United States.
For more than 25 years, Trinity Consultants has assisted facilities in the semiconductor industry.
Trinity prepares hundreds of air quality compliance reports for landfills and industrial facilities across the United States on an annual basis.
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.
For nearly 30 years, Trinity Consultants has assisted facilities such as those in the highly regulated wood products industry.
On April 12, 2019, EPA published in the Federal Register, at 84 Fed. Reg. 15,046, a proposed rule, titled “Stationary Combustion Turbines Residual Risk and Technology Review” (RTR), to address the results of the review for stationary combustion »
On November 26, 2019, the Lane Regional Air Protection Agency (LRAPA) released the Cleaner Air Oregon (CAO) prioritization results, which identified facilities in the Eugene/Springfield area that will be called into the program during the first 12 »
Trinity announces that it has acquired Air Noise Environment Pty Ltd (ANE), an environmental consulting firm located in Brisbane, Australia. ANE provides broad air quality and acoustic assessment services, from source emission testing to control »
Learning that your site will undergo a 40 CFR75 (aka Part 75) field audit can be a very challenging experience for any system owner. If you or your plant management receive a field audit notification (via phone call, e-mail, vicious rumor, etc.), »
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 »
Trinity's Environmental Quarterly (EQ) magazine covers environmental regulatory developments as well as topics related to corporate environmental performance.
all issues from 2009
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 2011
These papers, presentations, and articles were authored by the staff of Trinity Consultants for presentation at various conferences.
all papers & presentations
View recorded webinars on important regulatory developments and their implications for the regulated community.
all videos
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.
Oregon Department of Environmental Quality (DEQ) has proposed the Cleaner Air Oregon Hazard Index rule available for public comment until November 22, 2019. This proposed rule (redline version) »
Oregon Department of Environmental Quality (DEQ) has launched their website for Cleaner Air Oregon (CAO) program submissions. The website provides a link to specific Group 1 and 2 facilities »
The Oregon DEQ has proposed amendments to four general permits. The general permit program allows the DEQ to issue generic permits for specific industrial categories or equipment. Sources that »
Oregon Department of Environmental Quality (DEQ) continues to update its website with information surrounding the Cleaner Air Oregon (CAO) regulations finalized in November 2018. In October »
In order to support current policy discussions on greenhouse gas emissions in Oregon, the Oregon Department of Environmental Quality (DEQ) is proposing new rules to enhance the data collection »
The Lane Regional Air Protection Agency (LRAPA) recently announced that the prioritization results for facilities subject to Cleaner Air Oregon (CAO) requirements are expected to be published »
The Oregon Department of Environmental Quality (DEQ) and the Oregon Health Authority (OHA) are in the process of assigning more protective health standards to toxic pollutants expected to have »
On May 16, 2019, Oregon's Environmental Quality Commission adopted a Title V Program fee increase of 2.42%. This increase will be applied to invoices issued in August of 2019 for the annual »
Oregon Department of Environmental Quality (DEQ) continues to update its website with information surrounding the Cleaner Air Oregon (CAO) regulations finalized in November 2018. Recently, DEQ »
On March 1st, 2019, the Oregon Department of Environmental Quality (DEQ) released the Cleaner Air Oregon (CAO) prioritization results, which identified facilities in Oregon that will likely be »
Under Cleaner Air Oregon (CAO) rules codified in Oregon Administrative Rules (OAR) 340-245, new facilities will need to identify potential air toxics emissions and assess associated risks »
Oregon Department of Environmental Quality (ODEQ) has been working to update their website with tools and background information related to toxic programs in Oregon. The toxic program has »
In a unanimous vote on Thursday, November 15, 2018, the Oregon Environmental Quality Commission (EQC) approved the Cleaner Air Oregon (CAO) rules codified in Oregon Administrative Rules (OAR) »
On June 25, 2018, Oregon Department of Environmental Quality (ODEQ), published draft 2018 Cleaner Air Oregon (CAO) rules for public comment. The 2018 proposed rules reflect changes from public »
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 »
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 »
The Lane Regional Air Protection Agency (LRAPA) recently announced that the prioritization results for facilities subject to Cleaner Air Oregon (CAO) requirements are expected to be published by August 2019. These prioritization results will include »
The Oregon Department of Environmental Quality (DEQ) and the Oregon Health Authority (OHA) are in the process of assigning more protective health standards to toxic pollutants expected to have developmental or other severe human health effects. The »
On May 16, 2019, Oregon's Environmental Quality Commission adopted a Title V Program fee increase of 2.42%. This increase will be applied to invoices issued in August of 2019 for the annual emissions for operating period November 15, 2019 to »
Oregon Department of Environmental Quality (DEQ) continues to update its website with information surrounding the Cleaner Air Oregon (CAO) regulations finalized in November 2018. Recently, DEQ posted "Draft Recommended Procedures for Conducting »
On March 1st, 2019, the Oregon Department of Environmental Quality (DEQ) released the Cleaner Air Oregon (CAO) prioritization results, which identified facilities in Oregon that will likely be called into the program during the first 12 months »
Under Cleaner Air Oregon (CAO) rules codified in Oregon Administrative Rules (OAR) 340-245, new facilities will need to identify potential air toxics emissions and assess associated risks before submitting an air permit application. Additionally, »
Oregon Department of Environmental Quality (ODEQ) has been working to update their website with tools and background information related to toxic programs in Oregon. The toxic program has several websites relevant to industrial facilities including »
In a unanimous vote on Thursday, November 15, 2018, the Oregon Environmental Quality Commission (EQC) approved the Cleaner Air Oregon (CAO) rules codified in Oregon Administrative Rules (OAR) 340-245. The Oregon toxics rulemaking process and program »
On June 25, 2018, Oregon Department of Environmental Quality (ODEQ), published draft 2018 Cleaner Air Oregon (CAO) rules for public comment. The 2018 proposed rules reflect changes from public comments received on the 2017 draft CAO rules and »
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 »
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 (link). The draft rules require air toxic emissions reports, risk »
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 mail. The ICR will collect information essential to the Risk and »
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) 340-246-0090. DEQ is proposing changes to 23 of the 52 ambient »
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) recently proposed a set of options known as the "proposed »
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 rule's effective date; however, the Presidential directive »
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 »
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 »
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 »
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 »
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). »
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 »
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 »
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 »
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, »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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, »
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 »
On December 22, 2008, the Environmental Protection Agency (EPA) Region 10 designated seven new PM2.5 nonattainment areas in the states of Washington, Oregon, Idaho and Alaska. The 24-hour National Ambient Air Quality Standards (NAAQS) for fine »
In December 2008, USA TODAY published a special report titled "The Smokestack Effect," which discussed the results of a nationwide study to determine the level of toxic air pollutants outside of nearly 128,000 schools. The study used EPA model, »
On June 10, 2009 the US EPA extended the public comment deadline to Sept. 4, 2009 on a proposal to slash mercury emissions and other pollutants from Portland cement kilns. The proposed standards would also set emission limits for total hydrocarbons »