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| Occupational Safety & Health Administration | ||||||
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Standard Interpretations
07/09/1993 - Noise exposure standard and impairment adjustments. |
Standard Interpretations - Table of Contents |
| • Standard Number: | 1910.95; 1910.95 App F |
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July 9, 1993 A. Munson Fuller, M.D., F.A.C.S. Tulsa Otolaryngology, Inc. St. John Medical Center Physicians Building Suite 100 1725 East 19th Street Tulsa, Oklahoma 74104 Dear Dr. Fuller: This is in response to your letter of May 11, concerning hearing impairment, and confirms the information you previously received by telephone from this office. You requested the recommended method for calculating the percent of impairment. The Occupational Safety and Health Administration (OSHA) does not have a method. Appendix F to the occupational noise exposure standard (29 CFR 1910.95) contains tables for making age adjustments to thresholds of hearing, but OSHA intends these adjustments to be used for determining age-corrected threshold shifts in hearing, not for calculating the percent of hearing impairment, which is not specifically addressed in the standard. We suggest that you contact the State workers' compensation office for the recommended method for calculating the percent of impairment. We appreciate the opportunity to clarify this matter for you. Sincerely, Ruth McCully, Director Office of Compliance Assistance May 11, 1993 OSHA Office of Health Standards Sirs: When there has been a occupational noise induced hearing loss. What method does the Federal Register recommend to calculate the percent of impairment? What frequencies are used? Sincerely, A M Fuller MD |
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Standard Interpretations - Table of Contents |
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