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’23 summer highlights
August 1st, 2023
It’s been another busy summer for the Geosynthetic Materials Association (GMA) and that activity will continue into the fall. We kicked off the summer in early May with our second Geosynthetic Infrastructure Morning at the Outlook Conference held at the Westin Poinsett in downtown Greenville, S.C. Two years into the implementation of the Infrastructure Investment […]
EPA takes important step to advance PFAS strategic roadmap, inform potential future regulations under CERCLA
April 28th, 2023
The U.S. Environmental Protection Agency (EPA) is issuing an Advance Notice of Proposed Rulemaking (ANPRM) asking the public for input regarding potential future hazardous substance designations of per- and polyfluoroalkyl substances (PFAS) under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as “Superfund.”“Today’s announcement highlights EPA’s commitment to transparency and the use […]
GSI’s annual Landreth “Steward of the Environment” award
October 1st, 2022
The Robert and Mitchell Landreth “Steward of the Environment” award was established in 2021. It is in honor of Robert Landreth (1939–2021) and his wife, Mitchell. The annual award is bestowed by the Geosynthetic Institute (GSI) in recognition of “distinguished engineering achievement related to the environment” by a college faculty member, graduate student or post […]
Landfill trenches with geocomposites
June 1st, 2022
Q: I am wondering if you know of or can point me in the right direction in regard to determining viability of leachate disposal via spraying back onto the active face of a landfill. I have a landfill that has a few issues, and while, from a practical sense, we have had some success with […]
Stacking GCL rolls
June 1st, 2022
Q: I have a question regarding the storage and handling of geosynthetic clay liner (GCL) rolls. The manufacturer allows stacking up to five GCL rolls. Is this okay? A: The answer depends on the subgrade under the stacked GCL rolls and the equipment you are using to handle the rolls. In a manufacturing plant, with […]
Geosynthetics opportunities and solutions in shale gas extraction
October 1st, 2018
While natural gas contained within shale rock is geologic and thus ancient by its very nature, the practice of its removal by horizontal drilling coupled with hydrofracking is a relatively recent development (Figure 1). Indeed, these dual technologies are making possible the recovery of huge amounts of natural gas—so much so that one can envision […]
Geosynthetics and coal combustion residuals
October 1st, 2018
According to the World Bank Group, in 2015 coal produced 41% of the world’s energy and about 34% of the energy production in the United States. While global warming and pollution are serious challenges according to most scientific evidence, and coal burning is cited as one cause of both, there are many staunch advocates of […]
Appeals court orders EPA revisions to 2015 coal ash final rule
August 27th, 2018
The U.S. Court of Appeals for the D.C. Circuit issued a decision Aug. 21 holding that the first-ever federal safeguards set by the Obama administration for coal ash dumps do not sufficiently protect communities and the environment from pollution from coal combustion residual (coal ash) waste. The court’s decision sided with public interest groups by […]
QA/QC for geosynthetics in waste containment is focus of GSI course
June 26th, 2018
The Geosynthetic Institute (GSI) will host an online course entitled “Course 1: Quality Assurance/Quality Control of Geosynthetics in Waste Containment Facilities,” Oct. 16–18, 2018, from 11 a.m. to 12:30 p.m. and from 2 p.m. to 3:30 p.m. EDT each day. Robert M. Koerner and George Koerner will teach the course. This is the first GSI […]
ARTBA leader Ruane to retire
June 20th, 2018
Pete Ruane, president and CEO of the American Road & Transportation Builders Association (ARTBA), announced he will be retiring from the organization in October 2018 after 30 years of service, ARTBA said in a June 19, 2018, prepared statement. He is the longest tenured head of the 116-year-old organization. After Ruane’s departure, ARTBA executive vice […]