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smooth transition of traffic out of the closed lane. A flag person will be employed to help <br /> delineate the closed lane as necessary. <br /> Additionally there is a potential for physical hazards resulting from falling objects such as <br /> tools or equipment, from falls from elevations, or from tripping over pipes, tools hoses, and <br /> other equipment laying on the ground. Improper use and/or maintenance of equipment and <br /> tools is another potential source of physical hazards on site. These sorts of physical hazards <br /> must be avoided through proper site management and control of the work area by the Project <br /> Safety Officer. <br /> 4.0 RISK ASSESSMENT SUMMARY <br /> It is anticipated that there will be no significant or major potential source of exposures due to <br /> the scope of work to be followed on this project. The potential of any increased risk of <br /> exposure on other workers or the surrounding community is minimal. The basic potential <br /> exposure would probably originate from airborne dusts, during the drilling of the monitoring <br /> wells, and those dusts containing low level concentrations of VOC materials in the soils. <br /> Due to this potential, the Contractor will have equipment on-site to provide for dust control <br /> during the drilling activities, if it appears that dust control is warranted. Also, perimeter air <br /> monitoring, to detect potentially migrating contaminants, may be conducted to ensure no <br /> hazardous materials are migrating to the surrounding community. <br /> 5.0 EXPOSURE MONITORING PLAN <br /> A. General <br /> An air quality monitoring program shall be implemented to provide baseline and on-going air <br /> quality data for site operations. This program shall include an on-going evaluation of on-site <br /> atmospheric contaminant concentrations during work site activities that involve significant <br /> surface disturbances using organic vapor detection instruments and/or detector tubes. <br /> Additionally, the program may include a preliminary survey of existing air quality conditions, <br /> prior to any surface disturbances and, if possible, under anticipated "worst case" weather <br /> 3051351D/SSP2 5 November 2, 1995 <br />