Tesmec Rock Hawg for Surface Mining Applications

Tesmec surface miners are suitable to excavate even strong and unfractured rock, cutting vertical walls and square corners while producing low amounts of dust. Tesmec surface mining machines can be equipped with laser for grade control and/or GPS for auto steering and grade control. The high production capacity of the Tesmec Rock Hawg reduces the need of multiple units to a single unit working in the…

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NSSGA Warns EPA on Risk Assessment Process

The National Stone, Sand and Gravel Association (NSSGA) submitted preliminary comments to the Environmental Protection Agency (EPA) concerning a forthcoming process that the agency will use to conduct chemical risk assessments. This process will determine if and how EPA will attempt to further regulate common rock dust.

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Chevron: Evaluate Equipment Life Based on Lubricant Cleanliness

Chevron Products Co., a Chevron U.S.A. Inc. division, and Noria, which provides lubrication consulting services and training, announced the launch of the ISOCLEAN Calculator, “a first-of-its-kind tool that helps companies evaluate possible equipment life based on lubricant cleanliness levels.” The easy-to-use tool was developed by Chevron Products Co. and is powered by Noria’s Life Extension tables to help calculate the…

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