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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 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.
On June 5, 2017, EPA proposed new total hydrocarbon (THC) emissions factors for enclosed ground flares, and clarified the classification of existing emissions factors (AP-42 Section 13.5, redline here). The new THC factors are designated by SCC code »
On June 26, 2017 a Notice of Intended Regulatory Action (NOIRA) was published in the Virginia Register of Regulations regarding amending 9VAC5-140, Regulation for Emissions Trading Programs. On July 18, 2017, The Virginia Department of Environmental »
Trinity Consultants, Inc.® announces that it has acquired Argent Consulting Services (ACS) of Houston, Texas. ACS is a consulting firm with a focus on air quality, process safety management (PSM), and EHS information management. ACS was founded »
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.
Notice of reconsideration and partial stay of the fugitive emission requirements at well sites and compressor station sites in the 6/3/2016 final rule, "Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources," regarding the well site pneumatic pumps standards and the requirements for certification by a professional engineer.
Proposal to postpone certain compliance dates in the 11/3/2015 effluent limitations guidelines and standards for the steam electric point source category under the Clean Water Act.
Extension of comment period on the 1/9/2017 draft rationale for granting petitions to add n-propyl bromide (nPB) to the list of hazardous air pollutants contained in section 112(b)(2) of the Clean Air Act, until 10/1/2017.
Final technology-based pretreatment standards under the Clean Water Act to reduce discharges of mercury from dental offices into municipal sewage treatment plants (POTWs).
Final rule delaying the effective date of the Risk Management Program Amendments to allow EPA to conduct a reconsideration proceeding, until 2/19/2019.
Proposal to stay for three months certain requirements that are contained within the 6/3/2016 "Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources."
Proposal to stay for two years certain requirements that are contained in the 6/3/2016 "Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources" to allow EPA time to propose, take comment, and issue a final action on the issues under reconsideration.
Direct final rule amending the Standards and Practices for All Appropriate Inquiries under CERCLA to update an existing reference to a standard practice recently revised by ASTM International. Proposed rule published simultaneously.
Notice of availability of data on emission allowance allocations to certain units under the Cross-State Air Pollution Rule (CSAPR) related to the new unit set-asides for the 2017 control period.
Extension by one year of the deadline for promulgating initial area designations for the 10/2015 ozone NAAQS to 10/1/2018.
Corrections to the 10/25/2016 Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles--Phase 2.