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s <br /> 4.0 RISK ASSESSMENT SUMMARY <br /> Due to the minimal exposure potential of the contamination, only moderate hazards <br /> exist. We will minimize the risk impacts of workers and the public by the use of personal <br /> protective 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 <br /> when significant surface disturbances are involved. Monitoring shall take place with <br /> direct reading instruments and detector tubes shall be used if necessary. The Site <br /> Safety Officer will determine if and when downwind perimeter monitoring is <br /> needed. Action level for VOC's will be set at 300 ppm for level "C" respiratory_ <br /> equipment and light chemical clothing. <br /> B. NOISE EXPOSURE MONITORING: <br /> A potential for elevated noise exposure exists when working around heavy <br /> equipment. Hearing protection is always required under these conditions. <br /> LO PERSONAL PROTECTIVE EQUIPMEUT <br /> A. SAFETY EQUIPMENT TO BE USED BY FIELD WORKERS (hi-lited): <br /> Work boots, hard hat, vinyl inner gloves, outer gloves (nifnle, leather, rubber), safety <br /> glasses, hearing protection, tyvek suits (standard, polyethylene, saranex), fire <br /> retardant clothing. <br /> Air-purifying respirator and appropriate cartridges. <br /> Full body harness, shock absorbing lanyard, retractable life-line, emergency <br /> breathing 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 />