MATH 2043 Lecture Notes - Lecture 13: Copper(Ii) Oxide, Joule, Stationary Point
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 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 |