CLEAR FILTER
Turnaround Waste Management: Maintaining Compliance and Controlling Costs Thumbnail
Turnaround Waste Management: Maintaining Compliance and Controlling Costs
Industrial turnarounds significantly increase the complexity of waste management due to accelerated schedules, expanded maintenance scopes, and the simultaneous generation of multiple waste streams. This article examines regulatory and operational considerations for managing hazardous and non-hazardous wastes during refinery, chemical, and petrochemical turnarounds.
How 2025 iIs Shaping CCS Project Developments in 2026 Thumbnail
How 2025 is Shaping CCS Project Developments in 2026
We review 2025 regulatory and funding changes and how they impact carbon capture and storage (CCS) project development in the United States in 2026.
Salt Lake City Office
Trihydro Opens Salt Lake City Office to Support Continued Regional Growth
Trihydro has opened a new office in Salt Lake City, Utah. Located in the southeastern Salt Lake Valley, the office supports our continued regional growth and enhances our ability to serve clients throughout Utah and neighboring states.
Linear Infrstructure Permitting Exemptions
Exemptions and Exclusions for Permitting Linear Infrastructure Projects
We explore exemptions and exclusions available to linear infrastructure projects and when they apply.
CV Message Types Thumbnail
Comparing Connected Vehicle (CV) Messages
CV messages help improve road safety, but not all public transportation information is a CV message. In our latest Delve, we explore CV message types and supporting roadway data feeds, such as work zone and traveler information feeds, that help communicate conditions on the road.
What EPA’s “Compliance First” Approach Means for Regulated Communities Thumbnail
What EPA’s “Compliance First” Approach Means for Regulated Communities
EPA has adopted a new enforcement strategy that directs enforcement staff to take a “compliance first” approach to all current and future compliance and enforcement matters. We explain the details of the strategy and its implications.
EPA Takes Action to Tighten Perchlorate Regulations for Drinking Water Thumbnail
EPA Takes Action to Tighten Perchlorate Regulations for Drinking Water
Following a court order, EPA is taking action to tighten regulations for perchlorate in drinking water. We explain what EPA is proposing and who could be affected.
Using Environmental Tracers in Groundwater Models Thumbnail
Using Environmental Tracers to Improve Groundwater Models
Environmental tracers are naturally occurring constituents in groundwater that can be analyzed to help reveal flow and transport behavior. We review what environmental tracers are and how they are scientifically applied.
Delve web thumbnail
EPA Finalizes Deadlines for Emissions Reduction Rules
EPA has finalized the July interim rule extending compliance deadlines under NSPS OOOOb, NSPS OOOOc, and the Super Emitter Program. We review the impacted rules, their new deadlines, and what it means for the oil and gas industry.
Standardizing Real-Time Traveler Messages Across I-80 Thumbnail
Standardizing Real-Time Traveler Messages Across I-80
We discuss how a coalition of transportation agencies along the I-80 corridor launched a major initiative to unify their data into a single, standardized platform: the Situation Data Exchange (SDX).
Oklahoma DEQ Aims to Require Biotic Ligand Model, Fish Tissue Studies to Develop Copper and Selenium Water Quality Criteria Thumbnail
Oklahoma DEQ Aims to Require Biotic Ligand Model, Fish Tissue Studies to Develop Copper and Selenium Water Quality Criteria
The Oklahoma Department of Environmental Quality (DEQ) aims to make certain U.S. Environmental Protection Agency (EPA) water quality guidance state law. DEQ’s proposed changes would require the use of the copper biotic ligand model to develop site-specific copper criteria, as well as the use of fish tissue studies for selenium site-specific criteria. This Delve explains the impacts of these proposed changes and their approval process.
Impacts of Federal Funding Cuts on Carbon Capture and Sequestration Projects Thumbnail
Impacts of Federal Funding Cuts on Carbon Capture and Sequestration Projects
Recent U.S. Department of Energy (DOE) funding cuts impact carbon capture and sequestration (CCS) initiatives. We review the status of DOE funding and related CCS programs, including the 45Q tax credit program.
EPA Aims to Scale Back PFAS Reporting Requirements
EPA aims to scale back PFAS reporting requirements under TSCA section 8(a)(7). We review impacted industries, reporting timelines, and other proposed changes in our latest Delve.
Using Multispectral Data to Monitor Vegetation Stress at Carbon Capture and Sequestration (CCS) Sites Thumbnail
Using Multispectral Data to Monitor Vegetation Stress at Carbon Capture and Sequestration (CCS) Sites
As Carbon Capture and Storage projects expand in the U.S., effective long-term site management increasingly depends on robust, multi-layered monitoring systems. We explore how vegetation monitoring can be used as an effective monitoring tool.
Q45 Reporting
Despite GHGRP Reporting Suspensions, Facilities May Still Need Data to Confirm 45Q Eligibility
The U.S. EPA is proposing to suspend most GHGRP reporting requirements. While GHGRP reporting requirements may soon be null, this information has often historically been used to verify eligibility for the 45Q tax credit program. This Delve explains the connection between the 45Q program and GHGRP reporting.
Californias SB 404 Thumbnail
California's SB 404 Brings New Management Standards for Metal Shredding Facilities
California's recently approved Senate Bill (SB) 404 carries significant implications for metal shredding facilities. We review changes, permit application requirements under SB 404, and key compliance timelines in our Delve.
EPA Extends Trichloroethylene (TCE) Compliance Deadlines thumbnail
EPA Aims to Extend Trichloroethylene (TCE) Compliance Deadlines
The U.S. Environmental Protection Agency aims to extend certain TCE compliance deadlines under TSCA for nuclear fuel manufacturers and chemical processors, opening public comment on the interim final rule.
US EPA Proposes Cuts to GHG Reporting Thumbnail
EPA Proposes Cuts to GHG Reporting Requirements
On September 12, 2025, the U.S. EPA proposed a rule that could eliminate or delay GHG reporting for 46 source categories under the Greenhouse Gas Reporting Program (GHGRP). We review the scope of EPA’s proposed rule, background, and what comes next for affected facilities.
Joliet, Illinois
Trihydro Opens Office in Joliet, Illinois
Trihydro opens a new Joliet, Illinois office, expanding our Midwest presence to better serve clients with engineering and environmental consulting services.
Nationwide Permit Changes 2026
USACE Proposes Changes to Nationwide Permits
USACE is proposing a new Nationwide Permit (NWP) and updates to a handful of existing NWPs. We explain USACE’s proposals and how they could impact certain projects.
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University of Wyoming "Trihydro’s dedication to the communities in which they have offices is second to none. We look forward to our continued relationship with Trihydro and the opportunity to present students with quality job opportunities from a top notch company."

Conrad Chavez, Manager, Multicultural Affairs

When choosing an environmental and engineering partner, you expect proven expertise, consistent quality and a high overall value. Nothing less will do. You can count on these qualities from Trihydro. We welcome you to contact us or visit one of our locations.

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