Refinery turnaround
Environmental Oversight's Role During Refinery Turnaround
During refinery turnaround, an environmental oversight team ensures environmental-related matters are well managed, and can play many secondary roles to support big-picture needs.
Proposed Appendix K: Recordkeeping
We explore proposed optical gas imaging (OGI) recordkeeping requirements established in proposed changes to New Source Performance Standards (NSPS) Appendix K.
OGI survey
Proposed Appendix K: OGI Survey Procedures
We dive into the optical gas imaging (OGI) survey protocol introduced in EPA's proposed changes to New Source Performance Standards (NSPS).
Proposed Appendix K: Camera Operator Training Requirements and Performance Audits
We explore the training and audit requirements introduced in Appendix K of EPA’s proposed New Source Performance Standards and Emissions Guidelines.
NSZD: A Passive Remediation Powerhouse for LNAPL
NSZD can serve as a powerhouse in subsurface LNAPL removal, often exceeding LNAPL mass removal rates of engineered systems such as pumping, air sparging, or vapor extraction.
OGI camera operator
Proposed Appendix K: OGI Survey Equipment and Pre-Survey Operating Requirements
Appendix K seeks to establish requirements for the OGI camera, equipment, and supplies needed to complete OGI surveys.
methane emissions OGI
Proposal to Standardize OGI Survey Protocols Presents Seismic Shift in Burden to the Oil and Gas Industry
Appendix K of EPA's updates to NSPS provides requirements for monitoring equipment, survey procedures, camera operator training, and recordkeeping.
PFAS webinar
Key PFAS Regulatory and Laboratory Method Updates
Trihydro's "Key PFAS Regulatory and Laboratory Method Updates" webinar offers an efficient way to get up-to-speed on the latest technology and regulatory updates concerning PFAS.
PFAS sampling
PFAS Federal Regulations – Part 3: Recent Actions Affecting Industry Now, Next Year, and Beyond
In Part 3 of Trihydro's PFAS article series, we discuss the latest federal developments concerning PFAS in water, wastewater, air, waste, and commerce.
New Braunfels, TX aerial photo
Trihydro's New Braunfels Team Moves to New Location
Trihydro moves to a new New Braunfels office location, enhancing the team's ability to support clients.
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Drowsy Driving
Drowsy driving is comparable to driving while impaired (NSC 2019) and is a problem that can affect anyone.
Construction work
Trihydro Receives Platinum Safety Award from ConstructSecure
The Platinum Award is presented to firms with safety scores of 95% or greater in the Safety Assessment Program.
Brownfield Grant Options
Are You Eligible? 2022 Brownfield Funding Opportunities
The EPA has offered $68 million in grants to fund brownfield assessment and cleanup. Communities, states, tribes, and others impacted by brownfields can apply for this funding by December 1, 2021.
3D model
5 Key Benefits 3D Modeling Brings to Water and Wastewater Projects
3D modeling’s data visualization capabilities bring numerous benefits to water and wastewater projects, including easier design decisions and streamlined project communications.
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Ladder Safety
Whether at home or work, there are numerous ladder safety tips to keep in mind before climbing any rungs.
    • Heath & Safety
  • Water utility
    Emergency Preparedness Plans under Texas SB 3 Due March 2022
    Texas Senate Bill 3 requires affected public utilities to submit Emergency Preparedness Plans (EPPs) to the Texas Commission on Environmental Quality (TCEQ)
    Two people discussing portfolio management documents
    Bringing Partnership to Portfolio Management
    Increasingly, environmental managers are adopting portfolio management for environmental liability sites. Learn more about the drivers and benefits.
    Child playing in dirt with red bucket
    EPA Issues Update to Child Lead Model – Lowers Default Soil Screening Level to 200 mg/kg
    In May 2021, the United States Environmental Protection Agency (EPA) updated the Integrated Exposure Uptake Biokinetic (IEUBK) model.
    Firefighter extinguishing flame
    PFAS and AFFF: Managing Risks amid Uncertainty
    A presentation covering PFAS, a survey of regulatory trends, a discussion of currently available treatment/disposal options for PFAS, and insights into where things may be headed.
    Coronavirus State and Local Fiscal Recovery Funds Offer $350 Billion for Community Improvements
    The United States Department of the Treasury announced the Coronavirus State and Local Fiscal Recovery Funds, which provides emergency funding for state and local governments.
    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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