Research Article
Noise Exposure and Hearing Capabilities of Quarry Workers in Ghana: A Cross-Sectional Study
Table 1
Measured noise levels (in dBA) on selected machines in five quarry companies.
| Type of machines | Quarry companies | A. Kannin | Kas | Taysec | Northern quarry | Siemens | dBA | dBA | dBA | dBA | dBA |
| Drilling machine | 89.4 | 96.2 | 95.0 | 97.0 | 94.9 | Tyre wrench | 87.0 | 86.3 | 87.9 | | 88.5 |
Lathe machine | 87.4 | | 86.5 | | | Block making machine | 100.3 | | | | | Generator set | 86.5 | 97.9 | 87.9 | 94.3 | | Crusher machine | 99.6 | 102.5 | 101.3 | 100.4 | 102.7 | Primary processing machine | 89.9 | 91.0 | 98.0 | 96.8 | 98.8 | Secondary processing machine | 88.6 | 86.7 | 95.3 | 88.5 | 92.0 | Excavator machine | 97.1 | 95.6 | 94.9 | 89.5 | 88.6 | Air compressor | 87.4 | 86.9 | 93.2 | | 95.4 |
|
|