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s <br /> 4.0 RISK ASSESSMENT SUMMARY <br /> Due to the minimal exposure potential of the contamination, only moderate hazards exist. <br /> We will minimize the risk impacts of workers and the public by the use of personal protective <br /> equipment and barricades such as delineators, caution tape,and fencing. <br /> 5.0 EXPOSURE MONITORING PLAN <br /> A. AIR EXPOSURE MONITORING: <br /> Breathing air analysis measuring the airborne concentrations shall be performed when <br /> significant surface disturbances are involved. Monitoring shall take place with direct <br /> reading instruments and detector tubes shall be used if necessary. The Site Safety <br /> Officer will determine if and when downwind perimeter monitoring is needed. Action <br /> level for VOC's will be set at 300 ppm for level "C" respiratory equipment and light <br /> chemical clothing. <br /> B. NOISE EXPOSURE MONITORING: <br /> A potential for elevated noise exposure exists when working around heavy equipment. <br /> Hearing protection is always required under these conditions. <br /> Ell PERSONAL PROTECTIVE EQUIPMENT <br /> A. SAFETY EQUIPMENT TO BE USED BY FIELD WORKERS (hi-lited): <br /> Work boots, hard hat, vinyl inner gloves, outer gloves (nlMle, leather, rubber), safety <br /> glasses, hearing protection,tyvek suits (standard, polyethylene, saranex),fire retardant <br /> clothing. <br /> Air-purifying respirator and appropriate cartridges. <br /> Full body harness, shock absorbing lanyard, retractable life-line, emergency breathing <br /> air, orange vest. 'if warranted <br /> B. LEVELS OF PROTECTION: <br /> Explanation - Protective equipment selected is based on the type of contaminants, <br /> their concentrations, and the routes of entry. 300 ppm VOC's is the action level from <br /> "D"to "C' <br />