FREQUENTLY ASKED QUESTIONS


  What is noise pollution?

   How does the decibel scale work?

   How loud does noise have to be before it's dangerous?

   Is there evidence that noise can make us sick?

   Doesn't the law protect me against noise?

   How Much Noise Is Too Much Noise?

   What type of hearing protector do I need for my work environment or hobby?

   What are some typical noise levels of sounds and noises in our environment?

   How does exposure time affect my hearing protector requirements?

   What exposure limits are established for impact noise (such as gun fire)?

   How do I select a hearing protector with adequate attenuation for my noise situation?

   What are the advantages of earmuffs over earplugs and vice versa?

   How is the attenuation for hearing protectors measured?

   What does the NRR (noise reduction rating) mean?

   What factors, other than the noise level, combine to create a hearing damage?

   Can I still hear the machinery and warning signals, when I use a hearing protector?

   How do I know if I have a hearing damage?

   What can I do if I already have an existing hearing damage?