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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 provides dispersion modeling, permitting, and compliance support for coastal operations in the Outer Continental Shelf, Deepwater Ports, and liquefied natural gas terminals.
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 prepares hundreds of air quality compliance reports for landfills and industrial facilities across the United States on an annual basis.
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.
The Safe Drinking Water Act (SDWA) protects public drinking water supplies across the United States. Under the SDWA, the US Environmental Protection Agency (EPA) has regulated more than 90 drinking water contaminants , and can set Maximum »
In an effort to continue providing intelligent environmental and business solutions for Trinity clients in the upcoming year, we are expanding our ambient field study services to better investigate and remediate odor issues throughout Texas. »
Trinity Consultants, Inc.® (Trinity), an international environmental, health, and safety consulting firm, announces that it has acquired Ecological Survey & Assessment Limited (ECOSA) of North Baddesley, Hampshire, U.K. ECOSA collaborates with »
This article provides a brief overview of audit preparation guidance and tips, that are intended to equip environmental staff to work effectively with internal or external auditors. This is the first in a series-future articles will provide more »
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 Denver-Metro North Front Range (DMNFR) redesignation to a serious nonattainment area for ozone is on the horizon, thus it is critical to review your current facility site-wide permitted »
Highlights COGCC mission now focuses on regulating "...in a manner that protects public health, safety, welfare, the environment and wildlife resources." Local governments »
Background The Denver Metro/North Front Range (DMNFR) area is currently designated as attainment or unclassifiable for all criteria pollutants with the exception of the 8-hour ozone »
The Regional Haze Rule (RHR) establishes a comprehensive visibility protection program for Class I areas and requires states to set reasonable progress goals (RPGs) towards achieving natural »
The reclassification of the Denver Metro North Front Range (DMNFR) area from moderate to serious nonattainment for the 2008 8-hour ozone national ambient air quality standard (NAAQS) may occur »
Colorado's Senate Bill 181, which was introduced on March 1, 2019, proposes to modify the oil and gas statute and revise the local governments' regulatory authority over the surface impacts of »
The Air Quality Control Commission (AQCC) declined to rule on a petition from the Defend Colorado group regarding the impact of international emissions and exceptional events on Colorado's »
Colorado's Senate Bill 181, which was introduced on March 1, 2019, proposes to modify the oil and gas statute and revise the local governments' regulatory authority over the surface impacts of oil and gas development. Following is a summary of »
The Air Quality Control Commission (AQCC) declined to rule on a petition from the Defend Colorado group regarding the impact of international emissions and exceptional events on Colorado's ozone concentrations. The petition requested AQCC to conduct »
The Colorado Department of Public Health and Environmental (CDPHE) Air Pollution Control Division (the Division) has recently launched the Colorado Environmental Online Service system (CEOS). At this point, only APEN updates for sources covered »
The Division has revised the Leak Detection and Repair (LDAR) site inspection record keeping form and guidance document for LDAR inspections at well production facilities, and natural gas compressor stations. The revised form has been simplified »
An operator of a new exploration and production (E&P) source with separator venting, may construct and operate an open flare as alternative emissions control equipment, prior to official Division approval, if the operator is able to submit a request »
The Colorado Department of Public Health and Environment (CDPHE) Air Pollution Control Division (the Division) announced they will implement a formalized Application Rejection Process. Beginning March 1, 2019, incomplete applications, as well as »
The Colorado Department of Public Health and Environment (CDPHE), Air Pollution Control Division (APCD) is taking comments through February 11, 2019 and holding a public meeting on January 28, 2019 on the potential adoption of volatile organic »
CDPHE published an updated leak detection and repair (LDAR) annual form in December 2018, which addresses new annual reporting requirements in accordance with the November 2017 update to CDPHE's Regulation 7, Section XVII.F (statewide) and the »
The latest version of the Regulation 7 Condensate Tank Reporting Spreadsheets are now available on the CDPHE APCD Website.The condensate tank reporting spreadsheet is for reporting tanks that are subject to the system-wide control strategy »
You may have read in a recent Federal Register that the EPA is proposing to grant a one-year extension before classifying the Denver Metro North Front Range (DMNFR) ozone nonattainment area (NAA) from moderate to serious. This is based on 2017 being »
The Colorado Oil and Gas Association (COGA) hosted a meeting recently concerning the reclassification of the Denver Metro North Front Range area from moderate to serious nonattainment. This change would reduce the major source threshold by one-half »
According to Garry Kaufmann of the Colorado Air Pollution Control Division, based on 2018 monitoring data, the Denver Metro/North Front Range (DMNFR) cannot show compliance with the 2008 ozone national ambient air quality standard (NAAQS) for the »
The CDPHE hosted a meeting to allow stakeholders to ask questions regarding the Emission Reduction Credit (ERC) program. The presentation from the recent stakeholder's meeting is found here. The program applies to any pollutant regulated under the »
Though long allowed by regulation, the emission reduction credit program in Colorado has been mostly dormant. Driven in part by recent developments in the ozone nonattainment area, but also to encourage the development of lower cost pollution »
As reported previously, last month the US EPA issued an air quality designation establishing the 9 county Denver-Metro-North-Front-Range in marginal nonattainment for the 8-hour 2015 ozone standard. The 2008 8-hour ozone standard remains in effect, »
The legislatively approved fee increases for APENs and permit processing are now in effect. The APEN fee is $191.13 for each APEN, and the permit processing fee is $95.56 per APEN. Regulated pollutant and hazardous pollutant fees will increase to »
The hourly permit processing fee, APEN filing fee, and per ton annual emission fees will likely be increasing this year under new caps approved by the Colorado legislature. In addition, the cap will automatically increase each year by the rate of »
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 »
May 31, 2018 is the deadline to submit annual reports for Leak Detection and Repair (LDAR) activities which occurred during calendar year 2017 for production sites and compressor stations.Use the Division's LDAR annual report form, which can be »
The CDPHE APCD (Division), in collaboration with the oil and gas industry, published the Storage Tank and Vapor Control System Guidelines on May 4, 2018. This document, a result of nearly two years of collaboration, aims to improve performance of »
The State of Colorado 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 change in billing structure for condensate tanks, produced water tanks and crude oil storage tanks will affect operators who are planning to file Annual APEN updates prior to the April 30th deadline. A filing fee of $152.90 is required for each »
The revisions to Regulation Number 7 were finalized with an effective date of December 30, 2017. The division released a fact sheet with pertinent information on these revisions, which can be found on Colorado's DPHE Environmental Records website .A »
Are you using the latest Operating and Maintenance (O&M) Plan Templates?The Division has published O&M plan templates for three new source categories:Pneumatic PumpsProcess/Emergency FlaresHydrocarbon liquid loadoutThe Division has also updated the »
Owners or operators of glycol natural gas dehydrators in operating in Colorado's Ozone non-attainment area are required to submit semi-annual reports pursuant to Regulation 7, Section XII.H.6. The first semi-annual report is due to the Division on »
Noise and odor complaints are increasing in the Front Range. The Denver Post recently reported that noise complaints in the vicinity of some production wells have increased by threefold over the last few years. The Post article provides a link to a »
The Air Pollution Control Division has requested comments on the Emission Reduction Credit Program contained in Regulation 3, Part A, Section V. While the division's primary goal is to obtain comments on proposed changes to program forms and »
The Air Quality Control Commission will meet in October to consider revisions to control requirements for emission sources of NOx and VOC. Though targeted at the Front Range, control requirements could be extended statewide as Colorado continues to »
The Denver Metro North Front Range ("DMNFR") was reclassified to "Moderate" status in 2016, as it failed to attain the 2008 8 hr Ozone standard. As a Moderate nonattainment area, Colorado must revise its State Implementation Plan (SIP) to include »
On June 9, the Colorado Air Pollution Control Division released an updated APEN form (APCD-225) for Asphalt Paving Materials Plants (APM), also known as Hot Mix Asphalt Plants. A full list of Specialty APENS is available here. To view the Asphalt »
Colorado Air Pollution Control Division (Division) recently released a permitting section memo (PS-Memo 17-01) detailing the general steps required to perform flash gas liberation analysis on pressurized liquid hydrocarbon (crude oil or condensate) »
On May 22, 2017, the CDPHE released an updated Fugitive Component Leak Emissions APEN – Form APCD-203. This APEN is to be used for fugitive component leak emissions. Only minor updates have been made including: Format changed to Division’s new PDF »
A Notice to Operators (“NTO”) issued by the Colorado Oil and Gas Conservation Commission (COGCC) on May 2, 2017 requires all operators to systematically inspect their inventory of existing Flowlines and verify that any existing Flowline not in »
On January 24, 2017, the Colorado Department of Public Health & Environment (CDPHE) Air Pollution Control Division (Division) announced that effective February 1, 2017 the Division will begin transitioning to a paperless records system. This policy »
A new specialty APEN (APCD 211) for Gas/Liquid Separators has been released by the CDPHE Air Pollution Control Division (APCD). The form should be used to report new or existing oil/liquid separator activities; complete a routine (five-year) Air »
Notice of Startup(NOS) (APCD-103) has been reformatted and updated. Additionally, this form can be submitted electronically by filling out the form and hitting "submit" at the bottom of the form. Note that electronic submittal is only available for »
The Air Pollution Control Division (APCD) will hold a stakeholder meeting to discuss potential revisions to Regulation 7, including incorporation of EPA’s Control Technology Guidelines, BLM’s flaring rule and other control measures. The meeting will »
The Air Pollution Control Division (APCD) has released a revised Air Pollution Emission Notice (APEN) for loading of liquid hydrocarbons at oil and gas facilities. Form APCD 208 is available from the APCD website. All oil and gas APENs are »
On October 20, 2016, the U.S. Environmental Protection Agency issued final Control Techniques Guidelines (CTGs) for reducing smog-forming volatile organic compound (VOC) emissions from existing oil and natural gas equipment. Note that CTGs are not »
The Colorado Department of Public Health & Environment (CDPHE) Air Pollution Control Division (APCD) is offering a complimentary training on October 19, 2016 in downtown Denver to educate industry on the condensate tank system-wide requirements and »
The Colorado Department of Public Health & Environment (CDPHE) Air Pollution Control Division (APCD) recently revised specialty Air Pollution Emissions Notices (APEN) for concrete batch plants, diesel engines, and glycol dehydration units. The »
The Oil & Gas Unit of the Air Pollution Control Division has revised the template forms, guidance document, and review process for Operating and Maintenance (O&M) Plans for oil and gas sources. The new templates and guidance for using the templates »
In July, the CDPHE - Air Pollution Control Division (Division) released a revised Emissions Permit/APEN Cancellation Request (Form APCD-107) to aid in the cancellation of permits/APENS associated with:Equipment producing air emissions has been »
Proposed changes to Regulation 7, Control of Ozone via Ozone Precursors and Control of Hydrocarbons via Oil and Gas Emissions, include revisions or additions to the following sections: use of cleaning solvents, graphic arts and printing, stationary »
The Oil and Gas Unit of the Air Pollution Control Division (APCD) is currently revising the template forms and the review process associated with submittals of operating and maintenance (O&M) plans for air emissions permits for oil and gas sources »
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 Colorado. The »
The Air Pollution Control Division (APCD) of the Colorado Department of Public Health and Environment (CDPHE) has released a revised Air Pollutant Emissions Notice (APEN) form specifically for Mining Operations. This form, also known as Form »
Important highlights from the CDPHE Air Pollution Control Division (APCD) Ozone "bump-up" meeting on March 17 include:The stakeholder meeting was held to discuss the regulatory revisions needed to address the SIP (State Implementation Plan) package »
It is that time of the year when large facilities involved in manufacturing, mining, electric power generation, chemical manufacturing and hazardous waste treatment covered by the Toxic Release Inventory (TRI) Program need to prepare and submit TRI »
The CDPHE has released new addendum form (APCD 214) that must accompany an APEN submittal (APCD 213) for a diesel engine subject to NSPS IIII. Note that this addendum is required only for initial applications and AOS permanent replacements and is »
The CDPHE (Colorado Department of Public Health and Environment) Air Pollution Control Division (APCD/Division) has released guidance documents dealing with frequently asked questions (FAQ) on well unloading, Storage Tank Emission Management (STEM) »
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 Colorado Air Pollution Control Division (CAPCD) has announced a complimentary training on October 21, 2015 in downtown Denver to outline the Condensate Tank System-Wide Control and Reporting Requirements from Regulation No. 7, Section XII.The »
The Air Pollution Control Division (APCD) of the Colorado Department of Public Health and Environment (CDPHE) has released a new Air Pollutant Emissions Notice (APEN) form specifically for boilers, hot oil heaters and process heaters. This form also »
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 Colorado Department of Public Health (CDPHE) Air Pollution Control Division (APCD) announced the revision of the General Air Pollutant Emissions Notice (APEN) form (Form APCD-200). The new form has undergone significant improvements that is »
The U.S. EPA has determined that Colorado’s Regulation 1 sections regarding affirmative defense for excess emissions during startup, shutdown, and malfunction are “inadequate” and must be repealed by November 22, 2016. At a stakeholder meeting on »
On March 2, 2015 the Colorado Oil and Gas Conservation Commission (COGCC) adopted amendments to the 600‐Series and 100‐Series rules to codify lessons learned during the September 2013 flood event in Northeast Colorado’s Denver‐Julesburg (DJ) Basin. »
On November 25, 2015, 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 »
Two new rules, 317.r and 317.s with statewide requirements have been established by Colorado Oil and Gas Conservation Commission (COGCC) for permitting a well within 150 feet of another well. Rules are posted on COGCC website.Rule 317.r - Statewide »
Are you responsible for oil and gas facilities subject to the Leak Detection and Repair (LDAR) requirements in Colorado's Air Quality Regulation No. 7? Trinity Consultants is offering a complimentary 90-minute webinar that will focus on the elements »
On April 1, 2015 the Colorado Air Pollution Control Division (APCD) announced the release of the revised Form APCD-105 to coincide with current applicability criteria contained in Colorado Oil and Gas Conservation Commission (COGCC) Rule 805. Click »
Effective March 20, 2015, the Colorado Oil and Gas Conservation Commission's (COGCC) Form 42 has been revised to accommodate changes to Rule 316C and to reflect notices to Colorado Department of Public Health and Environmental (CDPHE) required by »
On January 16, 2015, the Colorado Department of Public Health and Environment (CDPHE) Air Pollution Control Division (APCD) made available evaluation criteria and application process for proposing an alternate Approved Instrument Monitoring Method »
On January 22, 2015 the Colorado Department of Public Health and Environment (CDPHE) Air Pollution Control Division (APCD) published a guidance document (PS Memo 14-04, Issuance 2) on Colorado Air Quality Control Commission Regulation No. 7. This »
A new version of the Air Pollution Emission Notice (APEN) for fugitive component leaks, including guidance documentation, is available. Operators are required to use this form for any submittals going forward. Titled "Fugitive Component Leak »
The Air Pollution Control Division (APCD) has released Volume 3 of the Frequently Asked Questions (FAQ) for the regulations revised earlier this year. The latest FAQ volume covers Regulation 7 topics such as aggregation of emissions, storage tank »
Use the Air Pollution Control Division's (APCD) form APCD-106, APEN/Permit Exempt Checklist, to assist with submittal requirements for select source categories, including heaters, boilers, land development, and some storage tanks.While checklists »
The Colorado Oil and Gas Conservation Commission (COGCC) has recently revised forms required in the oil and gas permitting process. The "Drilling Completion Report" otherwise known as "Form 5" has been modified to capture relevant information from »
The Colorado Oil and Gas Conservation Commission (COGCC) has recently revised forms required in the oil and gas permitting process. The "Oil and Gas Location Assessment" otherwise known as "Form 2A Cultural Setbacks Tab" has been modified to »
The Colorado Department of Public Health & Environment (CDPHE) has posted procedural guidelines to aid industry and operators in completing visible emissions evaluations relating to combustion devices (AQCC Regulation No. 7, Sections XII and XVII). »
On August 8, 2014 the Colorado Air Pollution Control Division (APCD) released the new general permit GP08 for oil and gas industry storage tanks. Key aspects of the new permit include:Establish enforcement emissions limit <6 tons VOC per year to »