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S A potential for elevated noise exposure exists when operating or working around heavy equipment The use of hearing protection such as ear plugs and/or ear muffs will be required, as necessary Additionally there is a potential for physical hazards resulting from falling objects such as tools or equipment, from falls from elevations, or from tripping over pipes, tools hoses, and other equipment laying on the ground Improper use and/or maintenance of equipment and tools is another potential source of physical hazards on site These sorts of physical hazards must be avoided through proper site management and control of the work area by the Project Safety Officer 4.0 RISK ASSESSMENT SUMMARY It is anticipated that there will be no significant or major potential source of exposures due to the scope of work to be followed on this project The potential of any increased risk of exposure on other workers or the surrounding community is minimal The basic potential exposure would probably originate from airborne dusts, during the drilling of the monitoring wells, and those dusts containing low level concentrations of VOC materials in the soils Due to this potential, the Contractor will have equipment on site to provide for dust control during the drilling activities, if it appears that dust control is warranted Also, perimeter air monitoring, to detect potentially migrating contaminants, may be conducted to ensure no hazardous materials are migrating to the surrounding community 5.0 EXPOSURE MONITORING PLAN A GENERAL An air quality monitoring program shall be implemented to provide baseline and on-going air quality data for site operations This program shall include an on-going evaluation of on-site atmosphenc contaminant concentrations during work site activities that involve significant surface disturbances using orgaruc vapor detection instruments and/or detector tubes Additionally, the program may include a preliminary survey of existing air quality conditions, prior to any surface disturbances and, if possible, under anticipated "worst case" weather conditions, to be used to establish baseline levels for input into the respiratory protection selection process The Project 32015911A/SSP DOC 5 November 9, 1995