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i <br /> 2 <br /> under post-remedial action monitoring. Concentrations of contaminants in groundwater have <br /> decreased since the onset of groundwater monitoring at the site. <br /> PROTECT OVERVIEW <br /> The scope of work involves the drilling of 2 on-site soil borings to be completed as <br /> monitor wells. The objective of the soil borings and monitor wells is to determine the <br /> magnitude of the effect that petroleum hydrocarbon releases from the surrounding service <br /> stations have had on the subject property. <br /> HAZARD EVALUATION <br /> No chemical hazards are expected to be detected in the subsurface, as the proposed <br /> boring locations are downgradient of the reported releases. However, the work associated <br /> with drilling has been reviewed, together with available site-specific data, to identify potential <br /> chemical hazards to personnel conducting the activities. These hazards are identified and <br /> discussed below. <br /> PHYSICAL HAZARDS <br /> Dermal hazards could arise if product (gasoline liquid or vapors) observed in the <br /> borehole or well comes into contact with a person's hand or body (skin) during the field <br /> investigation. A low hazard level exists where there ds no contact, and when proper dermal <br /> protection is worn. The use of protective clothing and chemical-resistant gloves is required if <br /> hydrocarbons or chemicals are observed on the soils. <br /> The working conditions at the site could involve (but may not be limited to) the <br /> following potential physical hazards: heat stress, moving or falling objects, and vehicular. <br /> traffic. Heat-stress hazards are associated with exposure to high ambient temperatures, <br /> wearing of protective clothing, a heavy physical work load, and/or a combination of the above. <br /> Daily environmental conditions (temperature, humidity, wind conditions, etc.) must be <br /> considered when evaluating this hazard. To reduce the risk of heat stress, the Geraghty & <br /> Miller Site Health & Safety Officer (HSO) may direct personnel to take any of the following <br /> steps: drink plenty of fluids (water,juice, or soft drinks), reduce the level of exertion, and take <br /> more frequent and longer rest periods. <br /> Project No. RCO291.001 <br /> GERAGHTY& MILLER. INC. t� <br />