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i <br /> Around the work area barricades will be used for this purpose. A gradual slope in the <br /> line of cones will help create a smooth transition of traffic out of the closed lane. A flag <br /> person will be employed to help delineate the closed lane as necessary. <br /> Additionally there is a potential for physical hazards resulting from falling objects such <br /> as tools or equipment, from falls from elevations, or from tripping over pipes, tools <br /> hoses, and other equipment laying on the ground. Improper use and/or maintenance of <br /> equipment and tools is another potential source of physical hazards on site. These sorts <br /> of physical hazards must be avoided through proper site management and control of the <br /> work area by the Project Safety Officer. <br /> 4.0 RISK ASSESSMENT SUMMARY <br /> It is anticipated that there will be no significant or major potential source of exposures <br /> due to the scope of work to be followed on this project. The potential of any increased <br /> risk of exposure on other workers or the surrounding community is minimal. The basic <br /> potential exposure would probably originate from airborne dusts, during the drilling of <br /> the monitoring wells, and those dusts containing low-level concentrations of VOC <br /> materials in the soils. <br /> Due to this potential, the Contractor will have equipment on-site to provide for dust <br /> control during the drilling activities, if it appears that dust control is warranted. Also, <br /> perimeter air monitoring, to detect potentially migrating contaminants, may be <br /> conducted to ensure no hazardous materials are migrating to the surrounding <br /> community. <br /> 5.0 EXPOSURE MONITORING PLAN <br /> A. General <br /> An air quality monitoring program shall be implemented to provide baseline and ori- <br /> going air quality data for site operations. This program shall include an on-going <br /> evaluation of on-site atmospheric contaminant concentrations during work site activities <br /> 3104001/SSPDRILL 6 October 7, 1943 <br /> i <br /> _ a <br />