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<br />29 <br /> <br />• The HSO will evaluate appropriate control measures and work practices for employees who <br />have experienced a standard threshold shift (STS) in their hearing. <br />• Hearing protection will be maintained clean and reliable and inspected before and after use <br />to identify any deterioration or damage. Damaged or deteriorated hearing protection will be <br />repaired or discarded. <br />• In work areas where actual or potential high noise levels are present at any time, hearing <br />protection must be worn by employees working or walking through the area. <br />• Areas where tasks requiring hearing protection are taking place may become hearing <br />protection-required areas as long as that specific task is taking place. <br />• High noise areas requiring hearing protection should be posted, or employees must be <br />informed of the requirements in an equivalent manner, and a copy of the OSHA standard 29 <br />CFR 1910.95 shall be posted in the workplace. Employees must be trained in the proper use <br />of required hearing protection. <br /> <br /> <br />4.2.12 IONIZING RADIATION <br /> <br />Intentionally Left Blank <br /> <br />4.2.13 NON-IONIZING RADIATION <br /> <br />Currently, the only source of non-ionizing radiation identified as part of this scope of work is <br />ultraviolet light (sunlight). Should another source be identified, an addendum to this HASP will <br />be issued and discussed as part of the daily tailgate meetings and any applicable Activity Hazard <br />Analysis (AHA). <br /> <br />Health effects regarding ultraviolet (UV) radiation are confined to the skin and eyes. <br />Overexposure can result in many skin conditions, including erythema (redness or sunburn), <br />photoallergic (skin rash), phototoxicity (extreme sunburn acquired during short exposures to UV <br />radiation while on certain medications), premature skin aging, and numerous types of skin <br />cancer. Implement the following controls to avoid sunburn. <br /> <br />Limit Exposure Time <br /> <br />• Rotate staff so the same personnel are not exposed all the time. <br />• Limit exposure time when UV radiation is at peak levels (approximately 2 hours before <br />and after the sun is at its highest point in the sky). <br />• Avoid exposure to the sun or take extra precautions when the UV index rating is high. <br />• Reference UV Index using a mobile device. <br /> <br />