Infrastructure | Emerging Contaminants
Phase I Remedial Investigation for PFAS
Trihydro conducted comprehensive Remedial Investigations (RI) and Site Inspections (SI) for Per- and Polyfluoroalkyl…
Emerging Contaminants
Applying specialized expertise to assess, manage, and address emerging contaminants across environmental media through practical, project-specific strategies.
Projects
Industrial and Chemical | Assessment and Remediation
Environmental Sequence Stratigraphy
Using Environmental Sequence Stratigraphy (ESS), Trihydro created conceptual site models (CSMs) for three Air Force…
Delve Articles
Industrial and Chemical | Assessment and Remediation
EPA Targets Microplastics and Pharmaceuticals as Priority Drinking Water Threat Groups in the Draft CCL 6
On April 2, 2026, the U.S. Environmental Protection Agency (EPA) announced a major update to its drinking water priorities…
Industrial and Chemical | Permitting and Compliance
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 the…
Infrastructure | Emerging Contaminants
EPA Releases Final PFAS Limits for Aquatic Life
On October 7, 2024 the United States Environmental Protection Agency (EPA) published final water quality…
Oil and Gas | Assessment and Remediation
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…
Oil and Gas | Assessment and Remediation
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…
Oil and Gas | Assessment and Remediation
EPA Drafts First-Ever Human Health Water Quality Criteria for PFAS
On December 19, EPA released draft human health-based water quality criteria for three per- and polyfluoroalkyl substances…
Industrial and Chemical | Assessment and Remediation
EPA Delays TSCA PFAS Reporting Rule Again
In October 2023, EPA promulgated the final PFAS reporting and recordkeeping rule from the TSCA Section 8(a)(7) amendment by…
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…
Infrastructure | Assessment and Remediation
PFAS in Drinking Water: $2B in Project Funding On-Tap
EPA has released $2 billion in funding for U.S. states, territories, and tribes to address emerging contaminants—with an…
Industrial and Chemical | Assessment and Remediation
Details on Using the New ASTM Standard
EPA has taken final action to amend the All Appropriate Inquiries Rule, 40 CFR part 312, to recognize the updated ASTM…
Industrial and Chemical | Assessment and Remediation
PFAS in Wastewater Treatment Biosolids
With mounting studies showing per- and polyfluoroalkyl substances (PFAS) in biosolids, the practice of land application is…
Industrial and Chemical | Assessment and Remediation
EPA Announces New Health Advisory Levels for PFAS + $1B in Funding
The EPA announced new interim health advisory (HA) levels for PFOA/PFOS, final HAs for GenX chemicals and PFBS, and $1…
Trainings
Oil and Gas | Assessment and Remediation
Workshop: 6th Annual PFAS, Microplastics, and Emerging Contaminants Workshop
This two-day complimentary workshop brings together subject matter experts from industry, academia, law, and regulatory…
Oil and Gas | Assessment and Remediation
Training: PFAS Sampling and Analysis for Defensible Data Generation
Trihydro’s Per- and Polyfluoroalkyl Substances (PFAS) Sampling and Analysis Training for Defensible Data Generation is…
Oil and Gas | Assessment and Remediation
Training: PFAS Data Management and Assessment to Drive Risk-Based Decisions
Trihydro’s Per- and Polyfluoroalkyl Substances (PFAS) PFAS Data Management and Assessment to Drive Risk-Based Decisions…
Oil and Gas | Assessment and Remediation
Training: PFAS Regulatory Updates and Due Diligence Requirements
Trihydro’s Understanding Per- and Polyfluoroalkyl Substances (PFAS) Regulatory Updates and Due Diligence Requirements…