Inside Carpentry Shop #2, there are six machines operating almost continuously, including table saws, planers, exhaust systems, jointers, with 10 employees working in this area. To determine whether this table should be designated as a hazardous noise environment, thus requiring employees to be entered into the hearing conservation program, you must calculate combined exposures and treat the entire area as one noise source. The following table indicates the recorded measurements that you collected during your on-site assessment. Does the data from this table indicate a hazardous noise environment, and do you recommend entering employees into a hearing conservation program?

Machine Noise Level (dBA) Table Saw #3 92 dBA Jointer #4 87 dBA Table Saw #5 90 dBA Exhaust Ventilation System 80 dBA Planer #2 84 dBA Drill Press #1 79 dBA