Email me when a new MSHA incident is filed at any Quality Rock Company mine.
CHESTER AN INDEPENDENT CONTRACTOR WELDER WAS CONTRACTED TO REPAIR THE PAN OF CAT 633 MOTOR SCRAPER THE PAN WAS BENT AND NEEDED TO BE STRAIGHTENED CHESTER HAD CUT THE GUSSETS FROM UNDER THE PAN AND HAD PLACED ANGLE IRON ON THE PAN AND WEDGED IT AGAINST THE GOOSE NECK INAN ATTEMPT TO STRAIGHTEN THE PAN HE STARTED THIS PROCEDURE ON ONE SIDE OF THE PAN AND HAD MOVED THE ANGLE IRON TO T
MSHA's standard limits respirable silica to 50 micrograms per cubic metre, but MSHA publishes dust and quartz as separate files and never the silica figure itself. We derive it per sample, score it against the limit, and set the operator's injury rate against a benchmark built from the full MSHA operator record. With the 26-year penalty trail, contest posture, and fatality history. Delivered as a PDF with the underlying data as CSV.
The federal record itself stays free on this site. What costs money, and why.