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Health and Safety Plan operating Procedures <br /> Field operating Procedure - Fldol - NOISE PRCJP=ON <br /> Noise is defined as unwanted sound. Noise can cause sudden traumatic hearing loss, <br /> long term more slowly occurring sensory-neural hearing loss which is irreversible, <br /> disruption of communication and masking of warning devices and alarms, increased <br /> stress levels and effects on the cardio-vascLlar and nervous systems. These latter <br /> two effects may occur at levels below that which cause damage to hearing and in <br /> situations where the conditions are more or less constant and daily. <br /> OSHA regulations generally apply to 8 hour exposures and consider 85 dBA as an action <br /> level for a Hearing Conservation Program. <br /> Where feasible, noise exposure will be controlled by engineering controls. Where <br /> high noise levels are encountered and where engineering controls are infeasible or <br /> until engineering controls can be accomplished, hearing protection devices will be <br /> used for worker protection from noise induced hearing loss. <br /> some of the sources of noise on hazardous materials, construction and industrial <br /> sites of a magnitude to cause hearing damage are: compressor motors, drill rig <br /> ergine, ha=ner blows (from split spoon or other) , compressor motors, copressed air, <br /> compressed water, and heavy equipment. The list is not all inclusive. <br /> Any sound level surveys indicating noise levels of 85 dBA or above, or, in the <br /> absence of sound level measuring instrumentation, any noise/sound preventing normal <br /> vocal discussion between two individuals at arms length distance will dictate the <br /> need for hearing protection. <br /> Hearing protection will be afforded by either disposable ear plugs or ear muffs. <br /> Administrative time control is not an acceptable method for preventing noise exposure <br /> since extreme noise for a short duration can cause severe, permanent hearing loss. <br /> In addition to these protocols, WESTON's Hearing Conservation Program includes <br /> physical examination and audiometric testing during annual medical monitoring. <br /> The selection, use, maintenance and control of hearing protection is further defined <br /> in the WESTON Personnel Protective Equipment Program. <br /> 2 ;'r� <br />