In Situ Soil Neutralization and Stabilization
Trihydro implemented a cost-effective in situ soil neutralization and stabilization system to address residuum and low pH…
Oil and Gas
Helping oil and gas clients across upstream, midstream, and refining sectors navigate complex environmental and regulatory challenges.
Projects
Pipeline Release Emergency Response
When a used oil pipeline release occurred, Trihydro provided emergency response assistance, including supporting…
Environmental Due Diligence for Petroleum Assets
Trihydro provided environmental due diligence services to a confidential client acquiring over 1,500 leases of petroleum…
Marine Terminal Groundwater Control System Design and Installation
A refinery in a sensitive marine environment was impacted by LNAPL and dissolved-phase petroleum hydrocarbons. When asked to…
Environmental Due Diligence
Trihydro partnered with a Fortune 500 waste management firm and local environmental health & safety managers to rapidly…
Delve Articles
Colorado Regulation 7 Update April 2026: EG OOOOc Alignment and GHG Intensity Timeline Changes
Key Updates Colorado adopted an April 2026 revision to Regulation Number 7, Control of Emissions from Oil and Gas…
EPA Proposal Would Keep Utah’s Uintah Basin Ozone Area in Marginal Nonattainment (2015 Ozone NAAQS)
On April 23rd, 2026, The US Environmental Protection Agency (EPA) proposed to reconsider and repeal its December 2024…
Legacy Wells, Saltwater Disposal, and the Path Forward for Class VI Carbon Storage in Mature Basins
For Class VI project developers evaluating carbon storage in mature oil-and-gas basins, two legacy conditions can materially…
Texas Class VI Primacy: How State Authority Changes the Class VI Permitting Process
Texas’ approval to administer its own Class VI Underground Injection Control (UIC) program introduces changes to how Class…
Turnaround Waste Management: Maintaining Compliance and Controlling Costs
Industrial turnarounds significantly increase the complexity of waste management due to accelerated schedules, expanded…
How 2025 is Shaping CCS Project Developments in 2026
As regulatory and funding dynamics from 2025 carry into 2026, carbon capture and storage (CCS) project development in the…
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…
EPA Finalizes Deadlines for Emissions Reduction Rules
The EPA issued an interim final action extending compliance deadlines under NSPS OOOOb, NSPS OOOOc, and the Super Emitter…
EPA Proposes Cuts to GHG Reporting Requirements
On September 12, 2025, the U.S. Environmental Protection Agency (EPA) issued a proposed rule to permanently eliminate most…
EPA Aims to Scale Back PFAS Reporting Requirements
The U.S. Environmental Protection Agency (EPA) is proposing to scale back reporting requirements for per- and…
Outlook on PFAS Under the New EPA
While the new administration continues to focus on PFAS, the pace of related rulemaking has slowed compared to 2024. We…
How Oil and Gas Companies Should Prepare for Methane Tax Uncertainty
The discontinuation of the WEC has created a void in understanding how methane taxes will be applied. We discuss proactive…
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