NOISE AND HEARING LOSS PREVENTION Hearing Protector Device
Compendium In 2000, NIOSH researchers initiated a new effort to
collect data published by manufacturers of hearing protectors
sold in the United States. The new data was sought to augment or
replace the data last collected by NIOSH for the 1994 Hearing
Protector Compendium (DHHS(NIOSH) Pub. No. 95-105). The data
included the mean attenuations and standard deviations of the
attenuations provided by the manufacturers on labeling required
by the U.S. Environmental Protection Agency. Also provided were
data about protector construction, materials, and other features
that may aid in selection of protectors for specific situations.
All companies listed in various industry, technical, and
professional directories were invited to submit data. Many
companies that were listed in the 1994 compendium have merged
with other companies or have ceased to manufacturer or sell
hearing protectors. The present compendium, as of June 2003,
contains data from 23 manufactur