POTENTIAL WORK RELATED HEARING LOSS GREATER THEN 25 DB FROM BASELINE CONDUCTED IN 1987. LEFT EAR 2000 HZ, 46 DB SHIFT, 3000 HZ, 57 DB SHIFT. EMPLOYEE HAS WORKED AS A MECHAINIC AND WELDER FOR O VER 28 YEARS. EXPOSED TO NOISE WHILE WORKING AROUND MILLS AND WELDERS OVER THE YEARS.