THIS REPORT IS SUBMITTED DUE TO AN INTERPRETATION BY MSHA THAT THE FOLLOWING ALLEGED EVENT CONSTITUTES A REPORTABLE ACCIDENT. THE EE CLAIMS THAT HE HIT HIS HEAD AGAINST A VALVE IN THE 44 SUMP. THIS EE LEFT WORK ON THE DAY OF THE ALLEGED EVENT COMPLAINING OF A HEADACHE FOR A DAY OR TWO AND MAKING NO MENTION OF HITTING HIS HEAD AGAINST ANYTHING.