- Springdale, AR
- Greenville, SC
- Ft. Smith, AR
- Tulsa, OK
- Oklahoma City, OK
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.
As of June 12, 2017, the Environmental Protection Agency (EPA) has signed a notice to propose to implement a two (2) year stay of certain requirements of the "Oil and Natural Gas Sector: Emissions Standards for New, Reconstructed, and Modified »
On April 5, 2017, the Illinois Environmental Protection Agency (Illinois EPA) issued a final version of the Renewal of the Illinois General National Pollutant Discharge Elimination System (NPDES) Permit for Storm Water Discharges from Industrial »
Trinity Consultants, Inc., an international environmental consulting firm that specializes in industrial air quality issues, has named Adam Erenstein as manager of its Albuquerque, NewMexico office. A former Air Inspector with the Maricopa County »
Business sustainability is rooted in the concept of the triple bottom line, which aims to balance performance and growth through fiscal stewardship, environmental stewardship, and social responsibility. An essential component of business »
It's finally here! We are eager to introduce HExFRAG, the high explosive fragmentation module of ExDAM. This module will enable modelers to compute secondary injuries caused by fragmentation using the results of an individual explosion generated by »
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 August 20, 2015, the Michigan Department of Environmental Quality (MDEQ) released the proposed State Implementation Plan (SIP) for the 1-hour Sulfur Dioxide (SO2) National Ambient Air Quality Standard (NAAQS) nonattainment area, which includes »
On July 16, 2015, the Michigan Department of Environmental Quality (MDEQ) issued draft rule revisions to the Part 2 air pollution control rules, covering air permitting rules and procedures. The proposed revisions include the following:Updates to »
On June 1, 2015, the Michigan Department of Environmental Quality (MDEQ) issued initial threshold screening levels (ITSLs) for mercury and mercury compounds. Previously, toxicological impacts for emissions of mercury and mercury compounds were »
On March 3, 2015, the Michigan Department of Environmental Quality (MDEQ) issued revised guidance on the requirement to perform dispersion modeling for criteria pollutants when applying for a Permit to Install (PTI). It is MDEQ's position that all »
MDEQ has proposed a new exemption from the requirements of obtaining a Permit to Install (PTI) prior to commencement of construction of a minor source unit based on de minimus potential to emit (PTE). These levels are based on recommendations by the »
The Michigan Department of Environmental Quality (MDEQ) has proposed significant changes to Michigan’s air toxics rules based on recommendations from the Air Toxics Workgroup. Of the recommendations from the workgroup, the following changes will be »
The United States Environmental Protection Agency (USEPA) promulgated the revised primary annual National Ambient Air Quality Standards (NAAQS) for particulate matter less than 2.5 microns (PM2.5). The primary annual PM2.5 NAAQS was revised from »
The Michigan Department of Environmental Quality (MDEQ) has proposed significant changes to Michigan’s air toxics rules (Rules 224 through 232) based on recommendations from the Air Toxics Workgroup. Of the recommendations from the workgroup, the »
The Michigan Department of Environmental Quality (MDEQ) has drafted revised guidance on the requirement to perform dispersion modeling for criteria pollutants when applying for a Permit to Install (PTI). While it is MDEQ’s position that all sources »
Michigan's Office of Regulatory Reinvention (ORR) has pending revisions to the Michigan Mercury Rule under the Part 15 Rules which were originally enacted to comply with the Clean Air Mercury Rule (CAMR) affecting coal-fired power plants. The CAMR »
Two pending rule revisions are under review by Michigan's Office of Regulatory Reinvention (ORR) that could significantly impact Michigan's Permit to Install (PTI) issuance process under the Part 2 Rules. First, R 336.1201(4) [Rule 201(4)] currently »
On January 18, 2013, MDEQ renewed the one-year variance suspending the requirements of Rule 225, health-based screening level requirement for new or modified sources of air toxics, for emission units combusting natural gas as fuel, for all units »
Michigan currently has only one area designated nonattainment for fine particulates (PM2.5), the Detroitmetropolitan area (Southeast Michigan), which includes Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties. In October »
Annual Compliance Certifications (ACCs) are required for sources holding ROP permits and are due to MDEQ on March 15th unless otherwise specified in the ROP. Deviations must be reported on the Deviation Report Form EQP 5737, and a copy of the EQP »
Annual Emission Reports (AER)s are due to the Michigan Department of Environmental Quality (MDEQ) on March 15th for all permitted sources. The Michigan Annual Emission Reporting System (MAERS) is a web-based system that allows complete online AER »
On August 15, 2012 The U.S. Environmental Protection Agency (USEPA) published in the Federal Register a proposed Federal Implementation Plan (FIP) covering taconite facilities in Minnesota and Michigan. USEPA found that Minnesota and Michigan have »
Don't forget the busy reporting season that is coming up. If you need assistance with any of these reports, please call your Trinity consultant contact at (651) 275-9900 or email Katherine Edwards at firstname.lastname@example.org.Michigan Air »
The Michigan Department of Environmental Quality (MDEQ) air quality emission fee program was reauthorized on October 4, 2011, and includes an increase in the annual fee rates. This will be the first increase in emission fees since 2001. If your »