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3.24 HEARING CONSERVATION PROGRAM <br /> Geofon has the responsibility to provide a safe and healthful environment in which <br /> employees work. To fulfill this responsibility with respect to hazardous noise, a comprehensive <br /> hearing conservation program has been established within our company. The elements necessary <br /> to satisfy the criteria for an effective hearing conservation program include education and <br /> training of employees, a general noise survey with monitoring of employee noise exposures, <br /> engineering and/or administrative controls, a hearing protection program and annual audiometric <br /> evaluation. <br /> Employee exposure to noise shall be monitored periodically to determine their eight-hour <br /> time-weighted average (TWA) exposure to noise. Annual audiometric tests shall be given to all <br /> employees with a TWA equal to or greater than 85 dBA. Hearing protection is required and <br /> shall be worn by all employees whenever the following exist: <br /> 1. A worker is exposed to noise levels of 85 dBA or more, regardless of the time <br /> spent in that area. <br /> 2. A job activity that requires exposure to suspected elevated noise levels which <br /> have not been measured, and the job is not a recurring one (e.g., temporary <br /> construction or maintenance projects using air hammers, air wrenches, explosive <br /> guns, generator tests, etc.) <br /> The education and training programs shall be repeated for all affected employees <br /> annually. <br /> To reduce excessive noise levels, engineering and/or administrative controls shall be <br /> implemented where feasible. <br /> 31 <br />