WHILE SCOOPING RIB A PIECE OF DRAWROCK FELL AND HIT EE ON THE HEAD. EE SAID HE WAS NOT GOING TO HOSPITAL & HE WORKED REST OF SHIFT. DID NOT SHOWUP OR CALL FOR A WEEK. DID NOT REPORT ACCIDENT TO EMPLOYER AND FOLLOW COMPANY POLICY, SUCH AS DRUG TESTING ETC. EE DID NOT COME BACK TO WORK EVEN WHEN RELEASED BY DR.