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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.
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.
In the August 8, 2015 PA Bulletin [45 Pa.B. 4366 and 4351], the Environmental Quality Board (Board) proposed to amend Chapter 129 (relating to standards for sources). The proposals would add two rules, 25 Pa. Code §129.52d and §129.52e, which »
Pennsylvania's Department of Environmental Protection (DEP) recently conducted a webinar illustrating the implementation of their new online eComment System, as well as changes made to the "Policy for Development and Publication of Technical »
Pennsylvania’s Department of Environmental Protection (DEP) recently published final updates to the General Plan Approval and/or General Operating Permit No. 5 for Natural Gas Compression and/or Processing Facilities (GP-5) in the January 17, 2015 »
As an environmental professional, do you feel that the hectic pace of your daily schedule prevents you from keeping on top of impending regulatory changes that may impact your facility? At Trinity’s Compliance Perfect Luncheons last fall, a survey »
Pennsylvania’s Department of Environmental Protection (DEP) recently published updates and proposed updates to the General Plan Approval and/or General Operating Permit No. 5 for Natural Gas Compression and/or Processing Facilities (GP-5) in the »
As required under the Clean Air Act, Pennsylvania must have a plan (called a State Implementation Plan or SIP) for coming into compliance with the National Ambient Air Quality Standard (NAAQS) for ozone. Part of Pennsylvania’s SIP includes »
In the April 19, 2014 PA Bulletin, the Environmental Quality Board (Board) proposed additional reasonably available control technology (RACT) requirements and emission limitations for certain major stationary sources of nitrogen oxides (NOX) and »
The Pennsylvania Department of Environmental Protection (DEP) has proposed the designation of areas not meeting the revised National Ambient Air Quality Standards (NAAQS) for fine particulate matter (PM2.5). DEP is seeking public comment for the »
Don’t miss your opportunity to comment!On February 2nd 2013, the Pennsylvania Department of Environmental Protection (PADEP) issued a notice in the PA Bulletin concerning their Air Quality Permit Exemption guidance document (No. 275-2101-003, dated »
The Pennsylvania Department of Environmental Protection (PADEP) published its most recent version of their General Permit No. 5 (GP-5) on February 2, 2013. GP-5 is a potential permitting path for facilities that produce, compress, and/or process »
Trinity often gets questions regarding permitting time frames from our clients, as this information is critical to project construction schedules. The biggest unknown is the amount of time it will take the regulatory agency to approve the »
The Pennsylvania Department of Environmental Protection (PADEP) has initiated the process of requiring emissions reporting by the natural gas industry in Pennsylvania. This week, PADEP sent initial notifications to 99 natural gas operators requiring »
On November 28, 2011, the Pennsylvania Department of Environmental Protection (PADEP) submitted comments to the U.S. Environmental Protection Agency (EPA) urging that the Interstate Transport Rule be revised. The Cross-State Air Pollution Rule »
On October 12, 2011, the Pennsylvania Department of Environmental Protection (PA DEP) published draft Guidance for Performing Single Stationary Source Determinations for Oil and Gas Industries. The purpose of this document is to provide guidance to »
At the August 4, 2011 meeting of the Air Quality Technical Advisory Committee (AQTAC), the proposed process to conduct modeling to support designation recommendations for the 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS) »
On June 22, 2010, the final revisions to the new sulfur dioxide (SO2) standard were published in the federal register. These revisions replaced the 24-hour National Ambient Air Quality Standard (NAAQS) for SO2 with a new 1-hour standard of 75 »
Pennsylvania DEP recently republished proposed changes to GP-11, the general permit for non-road engines as defined in the Code of Federal Regulations 40 CFR 89.2. Proposed changes to GP-11 include authorization to use non-road engines at multiple »
If you have been subject to a case-by-case Reasonable Available Control Technology (RACT) analysis in Pennsylvania, you may see amendments to the RACT program affecting your facility soon. Section 184 of the Clean Air Act treats Ozone Transport »
The Pennsylvania Department of Environmental Protection (PADEP) recently approved and finalized minor amendments to the General Permit for Natural Gas, Coal Bed Methane or Gob Gas Production, or Recovery Facilities (GP-5). More extensive revisions »
The Bureau of Air Quality at the Pennsylvania Department of Environmental Protection (PADEP) recently published a memorandum as guidance for permit engineers in assisting with oil and gas source definitions in the state of Pennsylvania. In »
While EPA issued the mandatory reporting rule at the end of last year, technical corrections and revisions have recently been published which could require having a closer look at your plan for GHG monitoring and recordkeeping activities. The »
1.Pennsylvania Department of Environmental Protection (PADEP) published the draft version of the General Plan Approval and Operating Permit BAQ-GPA/GP-5 (GP-5) on September 18, 2010. The comment period extends until November 2, 2010. The changes to »
The Pennsylvania Department of Environmental Protection (PADEP) is proposing modifications to the general plan approval and operating permit for Natural Gas, Coal Bed Methane or Gob Gas Production or Recovery Facilities, GP-5. The proposed changes »
EPA proposed the Interstate Transport Rule on July 6, 2010 with the main objective of replacing the 2005 Clean Air Interstate Rule (CAIR), which is intended to reduce ozone and fine particles in the eastern United States by reducing the emissions of »
The PM2.5 New Source Review (NSR) rule requires that states with PM2.5 nonattainment areas develop State Implementation Plans (SIPs) by May 16, 2011. There are 23 counties in Pennsylvania which are classified as nonattainment for National Ambient »
The Pennsylvania Department of Environmental Protection’s (PA DEP’s) Bureau of Air Quality, in coordination with the Bureau of Oil and Gas Management, has recently initiated an ambient air monitoring program focusing on odor and air toxic releases »
Pennsylvania Department of Environmental Protection (PADEP) has revised its list of source types that are exempt from plan approval and operating permit requirements. The current list, contained in PADEP Technical Guidance Document Number »
On November 12, 2008 a revised lead NAAQS was published in the Federal Register reducing the standard from 1.5 micrograms per cubic meter (µg/m3), to 0.15 µg/m3, measured as total suspended particles (TSP). EPA is required to make area designations »
The requirements of EPA's Clean Air Interstate Rule (CAIR) requires states to reduce emissions of SO2 and NOX. On December 10, 2009, EPA approved PA's CAIR SIP that utilizes a state methodology for the distribution and timing of allowances for a »
In 1997, EPA established an annual PM2.5 National Ambient Air Quality Standards (NAAQS) of 15 micrograms per cubic meter (µg/m3) and a 24-hour PM2.5 standard of 65 µg/m3. Pennsylvania currently has several areas designated nonattainment with the »