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Spectrum Newsletter

Spectrum Highlights

  • Summarized research reports

  • Regulatory updates

  • Recommended practices

  • Film and book reviews

  • Member news

  • References to contemporary research publications

Click here to view a sample issue of Spectrum, the publication of the National Hearing Conservation Association. NHCA members have access to every issue of Spectrum ever printed.


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National Hearing Conservation Association
Street: 2851 S. Parker Road, Suite 1210, Aurora, CO 80014
Mail: P.O. 3406, Englewood, CO 80155
Phone: 303-224-9022
Fax: 303-200-7099