Percent Impairment of Hearing (Percent Hearing Loss)
Percent Impairment of Hearing (Percent Hearing Loss) :
An estimate of a person's ability to hear correctly; usually determined by the pure tone audiogram. The specific rule for calculating this quantity varies from state to state according to law
Barbara A. Plog, Patricia J. Quinlan, Jodey B. Schonfeld and Patricia M. Dewey (editors), Fundamentals of industrial hygiene 5th ed., Appendix E - Glossary (Michael Horowitz, MS, CIH - Compiler), National Safety Council, Illinoise, USA 2002. http://www.wbcsd.org/web/projects/cement/tf3/fihAp pendices.pdf, (Env and Occupn Sfty and Hlth - Amer) {680}