EMPLOYEE EXPERIENCED A THRESHOLD SHIFT IN LEFT EAR EVIDENT ON HIS ANNUAL AUDIOGRAM, A RETEST AUDIOGRAM CONFIRMED A THRESHOLD SHIFT IN THE LEFT EAR OF 30 DBA. AT THIS TIME THE COMPANY WANTED TO MAKE AN APPOINTMENT FOR FURTHUR OTOLOGICAL TESTING WHICH HE REFUSED. DELAY IN FILING THE 7000-1 REPORT WAS LOST IN MAIL & CONSULTATION WITH MSHA WAITING FOR REPLY. BELIEVE LOSS IS NOT JOB REL