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Health and Safety Information 199
Operating Environment
Remember to follow any special regulations in force in any area
and always switch your phone off whenever it is forbidden to use
it, or when it may cause interference or danger.
National Institute on Deafness and Other Communication
Disorders
National Institutes of Health
31 Center Drive, MSC 2320
Bethesda, MD 20892-2320
Email: nidcdinfo@nih.gov
Internet:
http://www.nidcd.nih.gov/
National Institute for Occupational Safety and Health
(NIOSH)
395 E Street, S.W.
Suite 9200
Patriots Plaza Building
Washington, DC 20201
Voice: 1-800-35-NIOSH (1-800-356-4647)
1-800-CDC-INFO (1-800-232-4636)
Outside the U.S. 513-533-8328
Email: cdcinfo@cdc.gov
Internet:
http://www.cdc.gov
1-888-232-6348 TTY
Internet:
http://www.cdc.gov/niosh/topics/noise/
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