INDUSTRIAL NOISE POLLUTION – STANDARDS AND LEGISLATION
You work in the industry, you know that noise is unavoidable in this sector. The machinery and the production process can generate noise pollution that affects both the health of two employees, as well as two residents around.
Therefore, it is extremely important that the industries look inside and adapt to the laws and regulations that disagree on the permitted noise limits. We separate the main resolutions that you need to know.
Firstly, there are two types of industrial noise pollution: internal and external. Internally, as a word itself, there is noise inside the company and it directly affects the workers, and externally it is related to the people around the environment.
To protect workers in this sector, there is Regulatory Standard 15 (NR 15), issued by the Ministry of Labor, which establishes noise tolerance limits in company operating areas. A rule delimits or time that the worker can be exposed to certain levels, you say, as in the table below, withdrawal from the Federal Government site.
| NOISE LEVEL dB (A) | MAXIMUM DAILY EXPOSURE PERMISSION |
|---|---|
| 85 | 8 HOURS |
| 86 | 7 HOURS |
| 87 | 6 HOURS |
| 88 | 5 HOURS |
| 89 | 4 HOURS AND 30 MINUTES |
| 90 | 4 HOURS |
| 91 | 3 HOURS AND 30 MINUTES |
| 92 | 3 HOURS |
| 93 | 2 HOURS AND 40 MINUTES |
| 94 | 2 HOURS AND 15 MINUTES |
| 95 | 2 HOURS |
| 96 | 1 HOURS AND 45 MINUTES |
| 98 | 1 HOURS AND 15 MINUTES |
| 100 | 1 HOURS |
| 102 | 45 MINUTES |
| 104 | 35 MINUTES |
| 105 | 30 MINUTES |
| 106 | 25 MINUTES |
| 108 | 20 MINUTES |
| 110 | 15 MINUTES |