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' _ <br /> 21 <br /> One potentially hazardous situation that may occur during this investigation is <br /> the delivery of fuel to the station. All operations related to this investigation <br /> shall be modified or temporarily suspended if they will impede the safe off. <br /> Ioading of fuel. The Project Safety Officer will make this determination in coop- <br /> eration with the delivery truck operator. Whenever possible, the Project Safety <br /> Officer will ascertain the date and time of delivery, and the potential for <br /> conflicts with site operations before work begins, <br /> 4.0 RISK ASSESSMENT SUMMARY <br /> It is not anticipated that there will be any significant or majorotential s <br /> exposures source <br /> of <br /> exp es due to the scope of work to be followed on this project. The potential <br /> of any increased risk of exposure on other workers or the surrounding comma- <br /> mtY is minimal. The potential exposurewould probably originate from airborne <br /> dusts containing low level concentrations of VOCs. <br /> Due to this potential, the Contractor will have equipment on-site to provide for <br /> dust control during drilling activities,if it appears that dust control is warranted. <br /> Also, perimeter air monitoring, to detect potentially migrating contaminants, 4 <br /> F may be conducted to ensure no hazardous materials are migrating to the <br /> 1 <br /> surrounding community. <br /> 5.0 E"OSURE IVIONI1 ORING PLAN <br /> A GENERAL <br /> An air quality monitoring program shall be implemented to provide <br /> baseline and on-going air quality data for site operations. The program <br /> shall include: <br /> A preliminary survey of existing air quality conditions, <br /> prior to any surface disturbances and, if possible, <br /> under anticipated "worst case"weather conditions; to <br /> be used to establish baseline levels for input into the <br /> respiratory protection selection process; <br /> 2• An on-going evaluation of on-site atmospheric <br /> contaminant concentrations during site remediation <br /> activities that involve significant surface disturbances; <br /> 3. Perimeter monitoring of downwind air quality condi- - <br /> tions during significant surface disturbances. <br /> 3100101/ssp.00W 5 <br /> October 17,1990 <br />