The Unites States' Mine Safety and Health Administration (MSHA) has released its final report into a fatal blasting accident at Calhoun Quarry #1 in Jersey County, Illinois, citing multiple safety violations and enforcement actions.
A catastrophic tyre explosion that seriously injured two quarry workers was caused by a structural failure in the sidewall of a truck tyre and a series of systemic safety lapses, according to a detailed investigation released by the NSW Resources Regulator.