IECA webinar – Understand EPA’s National Certification Program and State-Specific Certification Standards – Oct. 5

October 1, 2023  |  News

The International Erosion Control Association (IECA) webinar – Understand EPA’s National Certification Program and State-Specific Certification Standards – will be held October 5, 2023 1 p.m. MT and you can register here. The webinar is for qualified inspectors and state-specific CGPs and …
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Lining system supports upgrade at northern Nevada mine

October 1, 2023  |  Final Inspection

AGRU collaborated with a Nevada mine’s stakeholders to supply more than 12.2 million square feet (1.1 million m2) of high-density polyethylene (HDPE) liner to help a mining operation expand its capacity. The project’s proximity to AGRU’s regional plant, the AGRU liner’s welding edges, and th…
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IGS North America update: Two honors, two websites

October 1, 2023  |  IGS-NA

IGS North America (IGS-NA) has a couple of website updates to promote.
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Lower trial weld strengths in polyethylene seams

October 1, 2023  |  GSI News

Polyethylene (PE) seaming techniques are used in the field to fabricate rolls of geomembranes into liner systems. There are two predominant methods used: hot wedge “fusion” welding and “extrusion” seaming. Over the past year, installers have noticed lower trial weld strength than in years pa…
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Landfills and erosion control

October 1, 2023  |  ECTC News

Erosion control, sediment control and revegetation are common at landfills. Erosion Control Technology Council (ECTC) is a leading industry organization home to top manufacturers of erosion and sediment control products, component suppliers, material distributors and test laboratories. ECTC members …
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Interpreting and monitoring the final Buy America guidelines

October 1, 2023  |  GMA News

As I sat down to write this article, the final rule for the Guidance for Grants and Agreements from the U.S. Office of Management and Budget (OMB) had been posted on the Federal Register (FR) with a 60-day notice to take effect October 23, 2023.
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A look at Geotechnical Frontiers 2025

October 1, 2023  |  News

What is Geotechnical Frontiers? Geotechnical Frontiers is a specialty conference event combining the biennial Geosynthetics Conference and the Geo-Institute’s annual Geo-Congress. Generally held every six years (the pandemic pushed this one to eight years), this event is where the industry unites …
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Members Only  
Airports zone in on geosynthetics

October 1, 2023  |  Features

Airport runways are not mere roads. They need to be built smoother and stronger to support the loads of jet planes without buckling under the weight, which is no small task in areas that may be swampy, dry, or subject to heavy rains, earthquakes or myriad other challenging soil conditions.
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LLDPE yield point

October 1, 2023  |  Q&A: GMA Techline

Q: Can you tell me why my linear low-density polyethylene (LLDPE) is currently showing a yield point? In years past, we have not seen this happen.  
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Geotextile characteristics

October 1, 2023  |  Q&A: GMA Techline

Q: I have two nonwoven heat-bonded geotextile filters: one made of polyester and the other made of polypropylene. They look the same but are giving very different hydraulic performance. Can you explain this phenomenon?
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