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 […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

GMA News: GMA had a jam-packed start to the year

June 1st, 2018

In January 2018 members of the Geosynthetic Materials Association (GMA) participated in the Transportation Research Board (TRB) Annual Meeting in Washington, D.C. In February our executive council met in Charlotte, North Carolina, to review GMA’s goals and mission. In March a delegation of GMA executives met with representatives from the White House and the U.S. […]

Read More

U.S. Supreme Court leaves in place lower court ruling on Water Transfers Rule

February 28th, 2018

On Feb. 26, 2018, the U.S. Supreme Court left in place a ruling by the U.S. Circuit Court of Appeals for the 2nd District in New York on the 2008 Water Transfers Rule of the U.S. Environmental Protection Agency. The Water Transfers Rule, issued under President George W. Bush’s administration and continued under President Barack […]

Read More