Question

 The company has an on-site maintenance and repair facility. Inside Machine Shop #1, there are five employees that operate a variety of machines, ranging from stationary and portable grinders, drill presses, and metal shearers. Based on the information provided in the following table, determine the individual employee’s exposure: (DO NOT COMBINE NOISE LEVELS)

Location	Employee	Sample #1	Sample Time #1	Sample #2	Sample Time #2	Sample #3	Sample Time #3
Stationary Grinding Wheel	Robert Jones	82 dBA	90 min	91 dBA	125 min	83 dBA	265 min
Drill Press #4	Clara Tucker	89 dBA	135 min	79 dBA	249 min	81 dBA	96 min
Metal Shear #2	Rick Starnes	75 dBA	283 min	94 dBA	39 min	84 dBA	158 min
Metal Shear #3	Jennie Gump	83 dBA	114 min	73 dBA	239 min	95 dBA	127 min
Bench Press #7	Bernie Edwards	73 dBA	203 min	79 dBA	172 min	83 dBA	105 min