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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.
For the last decade, EPA has been revising, updating, fixing bugs, and introducing beta options in the AERMOD Model with the goal of offering a dispersion modeling tool that is dependable, accurate, and reflective of the best current science. »
On October 12, the Wyoming Air Quality Division began operating a mobile ambient monitoring station in Laramie County, Wyoming, between Cheyenne and Carpenter south of Highway 80. The objective for the station is to monitor impacts from oil and gas »
Although Trinity has supported Alabama clients for many years with environmental permitting and compliance challenges, we recently opened an office in Birmingham, our first in the state. The office is led by Trinity veterans including Managing »
With many technology options available on the market today for managing Environmental Health and Safety (EHS) information, the process of selecting the right tool has become overwhelmingly complex and risky. This article describes a proven approach »
Leak Detection and Repair (LDAR) involves finding facility components that are leaking and fixing them. The U.S. Environmental Protection Agency (EPA) has a long history of regulating industries (such as petroleum refining and chemical »
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 Wyoming Land Quality Advisory Board approved proposed financial assurance rule revisions to address changes in financial assurance instruments, corporate structuring, and financial markets »
Wyoming Governor Matt Mead signed an agreement with the United States Nuclear Regulatory Commission (NRC) which gives the Wyoming Department of Environmental Quality the authority to regulate »
The Air Quality Division released a new version of IMPACT with additional features that will affect permitting and emission inventories. Permit applicants will now be able to track the steps in »
On October 18, at Casper College, the Water and Waste Advisory Board will consider revisions to solid waste rules for construction and demolition landfills and transfer, treatment, and storage »
The public is invited to attend and comment at two public hearings on September 24 in Casper, and on September 28 in Cheyenne, related to upcoming revisions to Wyoming Surface Water Quality »
The Wyoming Environmental Council will continue consideration of proposed revisions to the Wyoming Department of Environmental Quality (DEQ) Rules of Practice and Procedure, at a public hearing »
On September 10, 2018, the Air Quality Division released a correction to the Technical Support Document for its proposed 2018 Oil and Gas Production Facilities Permitting Guidance. The »
The Wyoming Environmental Council will continue consideration of proposed revisions to the Wyoming Department of Environmental Quality (DEQ) Rules of Practice and Procedure, at a public hearing on November 6, 2018. The revisions are to incorporate »
On September 10, 2018, the Air Quality Division released a correction to the Technical Support Document for its proposed 2018 Oil and Gas Production Facilities Permitting Guidance. The corrections are related to costs for controlling fugitive »
Wyoming State Geological Survey scientists have carried out salinity investigations in the Denver-Julesburg Basin of southeastern Wyoming (click here to view the free report) and more recently the Powder River Basin in the northeastern corner of the »
On February 3, 2017, the United States Environmental Protection Agency disapproved a portion of Wyoming's infrastructure State Implementation Plan (iSIP) addressing the interstate transport of ozone. EPA used air quality modeling data to project »
The State of Wyoming has published significant changes to its guidance for oil and gas production facility permitting, also known as “presumptive BACT.” These changes will be presented at the Wyoming Air Quality Advisory Board meeting on September »
Many of us enjoy the opportunity this time of year to enjoy Wyoming's wonderful outdoor spaces. If you notice something odd in the ponds or lakes around you, you might be seeing an algal bloom.Blue-green algae, also known as cyanobacteria, can form »
A recent update to the Wyoming State Geological Survey (WSGS) Oil and Gas Map of Wyoming highlights that more than 580 oil or gas wells were completed in Wyoming in 2017, and more than 80 have been completed so far this year. This is up from the ~ »
Wildfires in southeast Wyoming and neighboring states are creating impacts to air quality throughout Wyoming and the Mountain West.Wildfire smoke is made up of a variety of pollutants, including particulate matter and ozone, which can cause »
The Wyoming Air Quality Division (WY-AQD) began operation of a new long-term ambient monitoring station in Johnson County on May 14, 2018. The monitoring station is located northeast of Kaycee, in northeast Wyoming. The station objective is to »
On May 4, 2018, the EPA made available for public comment a draft standard audit program agreement tailored for new owners of oil and natural gas exploration and production facilities. As stated in the draft agreement: "The oil and natural gas »
The Wyoming Air Quality Division (Division) is preparing a public-facing version of their online Inventory, Monitoring, Permitting, And Compliance Tracking (IMPACT) data system. IMPACT is currently available to Division staff, and facilities in the »
The Wyoming Air Quality Advisory Board (Board) met on April 27, 2018, at the University of Wyoming BP Collaboration Center. Highlights from the meeting include:A presentation on the public-facing version of IMPACT, the Air Quality Division's »
On April 4, 2018, the USEPA issued final approval for Wyoming's Limited Maintenance Plan and Request for Redesignation to Attainment for the City of Sheridan moderate particulate matter (PM10) nonattainment area. This action officially removes the »
Ten teams were named as finalists for the NRG COSIA Carbon XPRIZE during the Bloomberg Future of Energy Summit in New York. Five teams will continue in the coal track and five will participate in the natural gas track. The five coal-track teams will »
The Wyoming Air Quality Advisory Board (Board) will meet on April 27, 2018, at 12:00 PM, at the University of Wyoming BP Collaboration Center, 1020 East Lewis Street, Laramie, WY, 82070. There are a number of items of interest on the agenda, »
On April 4th, 2018, the US District Court for Wyoming, stayed the compliance dates for the certain portions of the BLM Waste Prevention, Production Subject to Royalties, and Resource Conservation: Final Rule that became effective on January 17, »
On Tuesday, March 27th, EPA will hold a listening session in Gillette, Wyoming on the proposed repeal of the Clean Power Plan. The listening session, the last of three, will provide interested parties the opportunity to present oral comments »
The State of Wyoming is currently working with facilities in the state wishing to apply EPA's recent policy change for "Once In, Always In". On January 25th of this year, EPA issued a memorandum withdrawing the longstanding policy that had applied »
The Wyoming Air Quality Division (WY-AQD) is requiring all minor sources in Wyoming to submit actual emissions data for facilities that operated in the state in 2017. This is for WY-AQD to build the emissions inventory that all states are required »
The Wyoming Air Quality Advisory Board will meet on September 26th at 1:00 P.M. at the WDEQ’s regional office in Casper. On the agenda are proposed changes to various regulations, but the Air Quality Division will also hold a public hearing on the »
Do you own an oil and gas facility in the UGRB (Upper Green River Basin) area? Click here for a map to determine if your facility falls in this area.Actual emissions inventories and production information is required of both major and minor, oil and »
On January 3, 2017 the Wyoming Department of Environmental Quality announced updates to the Wyoming Air Quality Standards and Regulations (WAQSR) that became effective on December 20, 2017. The following sections have been updated:Chapter 2: Ambient »
The Wyoming Environmental Quality Council (EQC) has scheduled a public hearing for November 17, 2016 to consider the following changes to the Wyoming Air Quality Standards and Regulations (WAQSR) proposed by the Wyoming Department of Environmental »
The Wyoming Environmental Quality Council (EQC) has announced proposed revisions to the Wyoming Department of Environmental Quality (WDEQ) Rules of Practice and Procedure. A public hearing has been scheduled for Thursday, November 17, 2016 »
The Wyoming Department of Environmental Quality, Division of Air Quality (Division) recently released a revised version of the Oil and Gas Permitting Guidance document.Some key features of the revised guidance are:The Presumptive BACT (P-BACT) »
Since The Environmental Protection Agency took final action on determinations for each of the 36 areas that are currently classified as "marginal" for the 2008 ozone National Ambient Air Quality Standards (NAAQS), including the one in Wyoming. The »
The Wyoming Air Quality Advisory Board met at the Laramie County Library, Cottonwood Room, 2200 Pioneer Avenue, Cheyenne, Wyoming on October 28, 2015. The Air Quality Division (AQD or Division) requested the Board's consideration on proposed changes »
Wyoming Air Quality Standards and Regulations (WAQSR), Chapter 2 and Chapter 6 have been revised through the statutory rulemaking process, and changes became state-effective on October 13, 2015. The proposed changes include:Changes to Chapter 2, »
On October 1, 2015, the U.S. Environmental Protection Agency (EPA) announced the new National Ambient Air Quality Standards (NAAQS) for ground-level ozone. Originally proposed as one of the six criteria air pollutants under the Clean Air Act, ozone »
The EPA is required, by September 30, 2015, to sign the final actions of a proposed amendment issued on May 15, 2014 to further control toxic air emissions from petroleum refineries. This proposed amendment, which is part of the Clean Air »
The Wyoming Air Quality Standards and Regulations (WAQSR), Chapter 8 revisions became effective on June 30, 2015. Chapter 8 revisions were adopted by the Environmental Quality Council at a public hearing held on May 19 and filed as the final rule on »
The US EPA has requested that the Air Quality Division (AQD) provide recommendations with supporting information regarding the boundary of a sulfur dioxide (SO2) nonattainment area (NAA) in Carbon County by September 18, 2015 in order to achieve a »
The Wyoming Department of Environmental Quality (DEQ) recently released an Annual Network Plan for the State’s ambient monitoring network for public comment. DEQ prepares and submits Annual Network Plans in accordance with 40 CFR § 58.10. The »
On November 25, 2014, the U.S. EPA proposed to lower the primary National Ambient Air Quality Standards (NAAQS) for ozone from 75 ppb to a value in the range of 65 ppb to 70 ppb as a means of providing increase protection of public health. For the »
The Wyoming Air Quality Advisory Board meeting will consider proposed changes to the Wyoming Air Quality Standards and Regulations (WAQSR), Chapter 8, Nonattainment Area Regulations proposed by the Air Quality Division (AQD). The proposed changes to »
The Wyoming Department of Environmental Quality's Nonpoint Source Task Force has scheduled a public meeting focused on presentation of project proposals and funding recommendations for the 2015 Clean Water Act (CWA) Section 319 and 205(j) nonpoint »
Revised New Source Review forms are now available on the Wyoming Air Quality Division website. These new forms are part of the transition to the WDEQ's new electric Inventory, Monitoring, Permitting, And Compliance Tracking (IMPACT) system. Trinity »
The Wyoming Air Quality Advisory Board will meet on July 14, 2014 at 9:00 AM, at Western Wyoming Community College, RSC 1302 Lecture Hall, 2500 College Drive, Rock Springs, Wyoming. The Air Quality Division (AQD or Division) is requesting the »
Does your facility meet these criteria?Existing industrial, commercial, or institutional boiler; or A process heater that was constructed (or reconstructed) on or before June 4, 2010; and Facility is a major source of HAPs.If so, MACT applies to »
The Wyoming Air Quality Division (AQD) has scheduled a special meeting open to the public on Thursday, July 31, 2014 at 9:00 am in the Large Meeting Room at the Wyoming State Library (2800 Central Ave. in Cheyenne, WY). The special meeting is »
The Wyoming Water and Waste Advisory Board (WWAB) will meet on July 25, 2014 at 9:00 AM in Room UU415, University of Wyoming at Casper College, 125 College Drive, Casper, Wyoming. The public is invited to attend. Opportunity to comment on proposed »
The ozone nonattainment area located in the Upper Green River Basin, which includes Sublette County and portions of Lincoln and Sweetwater Counties, ends at the close of March. Daily ozone forecasts and implementation of contingency plans on Ozone »