Presentations on bench-blasting, back control and pillar stability and improvements in bore-scoping and pillar design will be made at the annual Safety Seminar for Underground Stone Mines presented by the National Institute for Occupational Safety and Health.
The CalPortland Rillito Cement Plant, Rillito, Ariz., has earned the U.S. Environmental Protection Agency’s ENERGY STAR® certification…
Republican Pennsylvania Gov. Tom Corbett signed into law Nov. 25 a comprehensive transportation funding bill that will pour an estimated $2.4 billion annually into his state’s roads and bridges within five years, an increase of approximately 40% from the $5.3 billion currently spent statewide. The additional funds will come from eliminating the state retail gas…
NSSGA was recently invited to participate in a Congressional roundtable discussion on the U.S. Occupational Safety and Health Administration’s proposed crystalline silica rule. NSSGA used the opportunity to voice its concerns about the agency’s unrealistic schedule for public comments and its proposal to reduce the permissible exposure limit by half