Mining & Energy

Heap Leaching in Cold Climates

A proposed copper mine in the Yukon is meeting with stiff environmental opposition. The many-years spike in copper prices has made the $150 million, 8-year-life mine attractive to the company seeking to build. But environmental groups are asking for examples of how heap leaching and liners react overtime in cold climates. Manfacturers and engineers with experience should consider adding your knowl... »

Specifying Geotextiles

geosindex.com lists geosynthetic data and it's free to access. Registration is never requested. For a sample of what the site provides, check out the geotextile data. The interactive table is sortable and users can choose what criteria fields they would like to see, such as CBR Puncture, NTPEP, and tensile strength. Questions on how to use the site or how to list your products? Contact us. Learn m... »

ASTM International Introduces Proficiency Testing for Textiles

The ASTM Proficiency Testing Program has just expanded its existing Textiles Proficiency Testing Program to include a new proficiency testing program on yarns and threads. This new PTP is an industry driven quality assurance program for companies doing yarn and thread component performance evaluations on a routine basis. This PTP will provide participants with a statistical tool that will ena... »

Specifying Geomembranes?

See the latest geomembrane data at geosindex.com. Learn more here.; »

Border Crossings

Who is responsible for cross-border pollution? A Canadian mining company has sought to dismiss a lawsuit regarding its polluting of the Columbia River, which flows through 1.4 million acres in the American state of Washington. The US Supreme Court has refused to dismiss the suit. Cleanup is needed and $20 million is to be placed in escrow to cover initial operations. (Waste News). Learn more here.... »

Remediation on Hold

When the mining and processing company Arimetco declared bankruptcy in the late 1990s, it left a large site in Nevada littered with waste rock and toxic ponds. Last year, cleanup began at the site's megapond, with the liner and waste rock removed. An evaporation pond was built, but 8 of the site's 10 ponds remain in need of correction. Funding, however, has dried up. Learn more here.; »

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