We dig into the latest industry insights so you don’t have to. Browse recent articles to catch up on regulatory news, technical updates, and best practices that matter.
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).
Jeremy Sell, PE
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.
Jeremy Sell, PE
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.
Ben McAlexander
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.
Jeremy Sell, PE
Dan Wood
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.
Jeremy Sell, PE
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.
Andrew Pawlisz, DABT
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.
Kelby Wilkison, PE
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)
Pat Lackey, PE
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.
Allison Riffel, PE
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