Industrial and Chemical | Assessment and Remediation
Reactive Barrier System Installation and Maintenance
Trihydro performed site characterization and remedial process optimization for a chlorinated solvent groundwater plume at…
Assessment and Remediation
Providing end-to-end environmental assessment and remediation expertise, from strategy and design through implementation and site closure, across complex sites and regulatory frameworks.
Projects
Industrial and Chemical | Assessment and Remediation
Site Inspections of Areas of Concern
Trihydro performed site investigations at 12 Areas of Concern (AOCs) at an airfield to assess contamination, identify…
Mining | Assessment and Remediation
Residential Yard Mine Reclamation Assessment
Trihydro provided reclamation assessment and design services to address arsenic, lead, and manganese contamination at three…
Mining | Assessment and Remediation
Evaporation Pond Groundwater Control
A Wyoming mine and minerals processing site with groundwater impacts from high total dissolved solids (TDS) wastewater…
Oil and Gas | Assessment and Remediation
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 | Assessment and Remediation
Pipeline Release Emergency Response
When a used oil pipeline release occurred, Trihydro provided emergency response assistance, including supporting…
Industrial and Chemical | Assessment and Remediation
Resource Conservation and Recovery Act (RCRA) Corrective Action Program
Trihydro provides ongoing environmental services to address chlorinated solvent impacts at an industrial facility, including…
Industrial and Chemical | Assessment and Remediation
CERCLA Site Remediation and Closure
Trihydro conducted environmental remediation at a closed Indiana industrial facility, addressing hazardous wastes under EPA…
Oil and Gas | Assessment and Remediation
Environmental Due Diligence for Petroleum Assets
Trihydro provided environmental due diligence services to a confidential client acquiring over 1,500 leases of petroleum…
Oil and Gas | Assessment and Remediation
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…
Industrial and Chemical | Assessment and Remediation
Diesel-Fired Power Plant Remediation
Belize Electricity Limited (BEL) contracted Trihydro to remediate petroleum hydrocarbon impacts at five of their…
Industrial and Chemical | Assessment and Remediation
Indoor Firing Range Lead Dust Abatement
Trihydro provided lead dust and debris abatement services in three former indoor firing ranges once used by army personnel…
Delve Articles
Industrial and Chemical | Assessment and Remediation
EPA’s 2024 Update to the Interim PFAS Destruction and Disposal Guidance
In April 2024, the EPA updated its Interim PFAS Destruction and Disposal Guidance, a key step in the ongoing efforts to…
Oil and Gas | Assessment and Remediation
EPA Designates PFOS and PFOA as CERCLA Hazardous Substances
On April 19, 2024, the US EPA announced the final designation of two PFAS compounds, PFOA and PFOS, as hazardous substances…
Oil and Gas | Assessment and Remediation
PFAS Analytical Method 1633: The Next Generation of PFAS Sampling & Analysis
Learn about the recent advancements in PFAS analytical methods including Method 1633 and other recent methods developed to…
Assessment and Remediation
EPA Issues Final Risk Management Program Rule
The EPA’s Risk Management Program (RMP) is now finalized. EPA RMP rule amendments include regulatory requirements and…
Oil and Gas | Assessment and Remediation
EPA Proposes to List 9 PFAS as RCRA Hazardous Constituents
The US EPA has proposed listing 5 additional PFAS (PFNA, PFHxS, PFDA, PFHxA, PFBA) as Hazardous Constituents under Resource…
Infrastructure | Assessment and Remediation
EPA Releases New Residential Lead Policy Guidance
EPA is lowering recommended screening levels and strengthening guidance for investigating and cleaning up lead-contaminated…
Oil and Gas | Assessment and Remediation
EPA Issues Update on PFAS Strategic Roadmap
The EPA has published the 2023 Annual Progress Report (2023-APR) to provide updates on the progress made in implementing the…
Oil and Gas | Assessment and Remediation
EPA’s New 2030 Vision, Mission, and Goals for RCRA Corrective Action
On September 1, 2020, the U.S. Environmental Protection Agency (EPA) released the new 2030 Vision, Mission, and…
Industrial and Chemical | Assessment and Remediation
EPA Determines Trichloroethylene Represents Unreasonable Risk
EPA announced the final regulatory determination declaring TCE as having an unreasonable risk of injury to human health for…
Oil and Gas | Assessment and Remediation
California Releases Long-Awaited Vapor Intrusion Guidance
California released its Final Draft Supplemental Guidance: Screening and Evaluating Vapor Intrusion. Learn more about key…
Oil and Gas | Assessment and Remediation
Proposed PFAS MCLs and MCLGs Are Here
EPA released draft MCLs & MCLGs for six types of PFAS, including PFOA & PFOS. Learn more about the proposed limits.
Industrial and Chemical | Assessment and Remediation
Transitioning from AFFF to PFAS-Safe Alternatives
While AFFF products containing PFAS are reliable for firefighting, growing concerns over PFAS in the environment have forced…
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