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Hearing Protection

Regarding possible noise hazards, there is a regulation about the Noise safety in Turkey. According to this regulation, the highest exposure value is LEX, 8h = 85 dB (A) and Ppeak = 140 µ Pa.

If you work in a high noise area, wear hearing protection. Most hearing protection devices have an assigned rating that indicates the amount of protection provided. 

Depending on your level of exposure, you may choose from the following devices (Figure 3.4):

  • Disposable earplugs
  • Reusable earplugs
  • Headband plugs
  • Sealed earmuffs

Headbandear muff and ear plug

Figure 3.4 Headband/ear muff and ear plug

(Courtesy of Egebant)

Earplugs may be better in hot, humid, or confined work areas. They may also be better for lab users who wear other PPE, such as safety glasses or hats. Earmuffs, on the other hand, may be better for users who move in and out of noisy areas, because the muffs are easier to remove. Before resorting to hearing protection, attempt to control noise levels through engineering or operational changes.

To avoid contamination, follow these guidelines when using earplugs:

  • Wash your hands before inserting earplugs.
  • Replace disposable earplugs after each use.
  • Clean reusable earplugs after each use.