- 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.
The District Department of the Environment (DDOE) is proposing to amend Title 20, Section 801 of the District of Columbia Municipal Regulations (20 DCMR § 801) to reduce the sulfur content of fuel oils purchases, sold, stored, transported, or used »
On November 9, 2012, the District Department of the Environment (DDOE) finalized changes to the visible emissions standards for stationary sources. All stationary sources in the District of Columbia (DC) are subject to the visible emission »
On November 16, 2012, the District Department of the Environment (DDOE) published the final changes to the District of Columbia’s (D.C.) New Source Review (NSR) permitting program [District of Columbia Register Volume 59, Number 46]. The NSR »
On June 1, 2012 EPA led a meeting with industry stakeholders on implementing the 2010 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standards (NAAQS). This was the third of three EPA-led stakeholder meetings on the topic that week, with »
On June 14, 2012, the EPA announced a proposed rule to revise the primary and secondary National Ambient Air Quality Standards (NAAQS) for particulate matter (PM) to provide increased protection of public health and welfare. The proposed rule »
On February 17, 2012, the District Department of the Environment (DDOE) published proposed changes to the District of Columbia’s (D.C.) New Source Review (NSR) permitting program [District of Columbia Register Volume 59, Number 7]. The NSR program »
On December 23, 2011 the Council of the District of Columbia approved amendments for District of Columbia Municipal Regulations, Title 20 (20 DCMR) Chapter 7 for Volatile Organic Compounds (VOC) and Hazardous Air Pollutant (HAP) emissions. The »
On August 12, 2011 the District Department of the Environment proposed amendments to 20 DCMR Chapter 7 for Volatile Organic Compounds. Although, the rulemaking was originally proposed on May 18, 2007, significant comments were received from the »
Trinity's Maryland office is currently assisting several clients representing various industry sectors including steel manufacturing, lime manufacturing and oil refining, to ensure their readiness for compliance with EPA Mandatory Greenhouse Gas »
The District of Columbia Water and Sewer Authority (DCWASA) published final regulations in the District of Columbia Register on September 10th, 2010 to amend the regulations in the District Code of Municipal Regulations (DCMR) pertaining to »
The District Department of the Environment (DDOE) recently proposed amendments to the District Code of Municipal Regulations (DCMR) pertaining to several source categories that emit volatile organic compounds (VOC):Flexible packaging and »
As required by the Environmental Protection Agency (EPA), the District Department of the Environment (DDOE) must submit an annual monitoring network plan describing the DDOE’s current air quality surveillance system as well as the changes to the »