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 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 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.
There has been another change in the effective date of the Risk Management Program (RMP) rule revisions and several other actions taken to delay, modify, or eliminate the RMP rule revisions. On March 13, U.S. EPA Administrator Scott Pruitt »
The State of Illinois has received final authorization from the United States Environmental Protection Agency (USEPA) for certain changes to the state's hazardous waste program under the Resource Conservation and Recovery Act (RCRA). Periodic »
Trinity Consultants, Inc.® (Trinity), an international environmental consulting firm that specializes in industrial air quality issues, announces that Mr. Brian Holland, Senior Scientific Software Specialist/Meteorologist has earned the »
The new ISO 14001:2015 standard incorporates several new themes as well as introduces a new organizational structure for environmental management system (EMS) design and implementation. Perhaps the most significant theme is the need to incorporate »
We are excited to bring you 3 updates to your air dispersion modeling software. The new enhancements and features in these updates include the latest U.S. EPA executables as well as improved options to expedite model run time.BREEZE AERMOD Version »
Trinity's Environmental Quarterly (EQ) magazine covers environmental regulatory developments as well as topics related to corporate environmental performance.
all issues from 2009
These papers, presentations, and articles were authored by the staff of Trinity Consultants for presentation at various conferences.
all papers & presentations
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.
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 »
On September 15, 2016, Washington Department of Ecology (Ecology) finalized the Washington Clean Air Rule to cap and reduce carbon pollution. The Clean Air Rule was first proposed on January 5, 2016, with a second proposal released on May 31, 2016. »
On April 29, 2016, King County Superior Court Judge Hollis Hill ruled that Ecology must deliver a Greenhouse Gas (GHG) emissions reduction rule by the end of 2016. This case began as a petition for rulemaking initiated by the Western Environmental »
On April 27th, Ecology held a webinar to discuss the future of Washington's Clean Air Rule. The discussion included: stakeholder comments on the withdrawn version of the proposed Clean Air Rule, anticipated updates to the proposal, and an »
The Washington Department of Ecology (Ecology) was recently directed by Governor Jay Inslee to prepare a draft Clean Fuel Standard (CFS) and engage with legislators, the public, and other interested parties. In response to this directive, Ecology »
In a January 7, 2015 Federal Register Notice (80 FR 838), EPA has proposed to approve revisions to Washington's State Implementation Plan (SIP) for Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR). Currently, »
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 »
The United States Environmental Protection Agency (USEPA) is proposing to redesignate to attainment status the entire Tacoma-Pierce County non-attainment area, which is currently designated as a non-attainment area for the 24-hour fine particulate »
On December 3, 2014 Washington Department of Ecology (Ecology) officially announced the reissuance of the Industrial General Stormwater Permit (ISGP) which covers nearly all facilities in Washington that have historically or have the capability to »
The Department of Ecology is in the process of revising and reissuing the Industrial Stormwater General Permit (ISGP) for sources in Washington State. Ecology released the draft ISGP earlier this month. This draft permit is open for public comment »
Facilities in Washington that trigger EPA’s greenhouse gas (GHG) reporting requirements must also report their GHG emissions for the 2013 calendar year to Ecology by March 31, 2014. EPA’s electronic GHG reporting tool (e-GGRT) and Washington’s »
Washington's Department of Ecology just released its proposed rule for GHG emission requirements for petroleum refineries. This rule establishes reasonably available control technology (RACT) requirements in the form of emission standards and »
All facilities and transportation fuel suppliers must register with Ecology by September 1, 2013 and report GHG emissions using Ecology's web-based tool by October 31, 2013. Facilities that trigger both Ecology's and EPA's GHG reporting »
Ecology is currently developing a web-based tool to enable reporters to electronically submit their annual GHG reports. Ecology’s tool will be compatible with both EPA’s Electronic Greenhouse Gas Reporting Tool (e-GGRT) and DOL’s fuel tax database »
On April 12, 2012 EPA sent out letters to each state and tribal leader to provide a status update on efforts to implement the 1-hour primary National Ambient Air Quality Standard (NAAQS) for sulfur dioxide (SO2) that was promulgated in June 2010. In »
As a reminder, facilities and suppliers that trigger greenhouse gas (GHG) emissions reporting to EPA under 40 CFR 98 must comply with the following timelines for filing their GHG annual reports for reporting year 2011 (RY2011). All registration, »
Ecology’s website now includes specific guidance for addressing Greenhouse Gas (GHG) emissions and climate change impacts as a component of environmental reviews conducted under Washington’s State Environmental Policy Act (SEPA). In addition to this »
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 Washington Department of Ecology (Ecology) has recently proposed a number of changes to its core air permitting rules in WAC 173-400. The new rulemaking effort is not affected by Governor Gregoire’s recent executive order to suspend »
On March 19, 2010, Governor Christine Gregoire signed Substitute Senate Bill (SSB) 6373, which significantly changes Washington's Greenhouse Gas (GHG) reporting statute. The overall result of these modifications is to more closely align Washington's »
Last week, the Washington Department of Ecology provided an update on the status of the state mandatory greenhouse gas (GHG) reporting rule, which will be established under Chapter 173-441 of the Washington Administrative Code (WAC), to the Advisory »
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 »
The Department of Ecology (Ecology) updated the state Notice of Construction (NOC) rules, including a significant overhaul to the state toxic air pollutant (TAP) program in WAC 173-460, on June 20, 2009. Additionally, changes were made to the »
On May 22, 2009, the Washington Department of Ecology issued updated draft rule language for Chapter 173-441 of the Washington Administrative Code (WAC), "Reporting Emissions of Greenhouse Gases (GHG)," for Advisory Committee review. Links to the »
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