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W.Va. landslide at Yeager Airport
March 16, 2015
…of a man-made 242-foot-high reinforced hill that was constructed in 2007 to make room for a runway extension to comply with the Federal Aviation Administration’s (FAA) safety requirements at Yeager…
Found 405 results.
HNY to all
February 1, 2015
…of our acronym friends who especially stood out in 2014: HNY, EPA—The U.S. Environmental Protection Agency was told by the court to finally issue its ruling on coal ash containment…
Geomembrane cushioning with geocomposites
February 1, 2015
Geomembrane cushioning with geocomposites Geomembrane cushioning with geocomposites Questions and answers from the GMA Techline Geomembrane cushioning with geocomposites We’ve been doing work for some of our…
EPA releases regulations on coal ash
December 22, 2014
…By Boyd Ramsey On Friday, Dec. 19, 2014, the United States Environmental Protection Agency (EPA) issued rules on the disposal of coal combustion residuals (“coal ash”). These rules take…
EPA: Coal ash is not hazardous waste
December 22, 2014
…(EPA). In its Dec. 19 press release, the Agency said: “The final rule establishes safeguards to protect communities from coal ash impoundment failures, [such as] the catastrophic Kingston, Tenn., spill…
Design considerations for GCLs in leach pad liner systems
October 1, 2014
…study, GCL permeability values on the order of 10-6 to 10-5 cm/sec were measured at pH values less than 2. Ruhl and Daniel (1997) found that when exposed to strong…
Polymeric marine mattresses
October 1, 2014
…marine mattresses as a corrosion resistant erosion control system in an environmentally sensitive area at the end of Runway 27L at Boston Logan International Airport (Figure 2). As part of…
Waste associations comment on landfill regulations
September 25, 2014
…U.S. Environmental Protection Agency (EPA) on its proposed rules to update the Standards of Performance for Municipal Solid Waste Landfills. (The SWANA/NW&RA joint comments are available online.) SWANA and NW&RA…
In memoriam: Agru founder Alois Gruber
August 27, 2014
…Agru Co. founder Alois Gruber Sr. passed away June 23, 2014. A company press release said he was born March 28, 1925, and grew up in Steinbach an…
Geosynthetics stabilize deteriorating mine roads
August 1, 2014
…stabilized layer (MSL) within weak roadway subgrades. The MSL reduces in-service stresses by distributing wheel loads more uniformly. Strengthening the subgrade also helps minimize rutting, an advantage for mines that…