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w.. <br /> �.r <br /> According to Mr. Scott Bailey of the California Water Service, city water service is available <br /> throughout the site vicinity. He also indicated that the California Water Service does not operate <br /> any water wells within 2,000 feet of the site. <br /> Reconnaissance of the site vicinity included a walking tour of the area within at least 500 feet of <br /> the site. The site vicinity is mixed industrial, commercial and residential property. Despite the <br /> availability of city water service throughout the entire site vicinity, it is possible that additional <br /> private wells could exist; however, no such wells were observed during reconnaissance. <br /> The nearest hospitals to the site are the St. Joseph's Hospital approximately 500 feet to the <br /> �., west, and the Stockton State Hospital approximately 1,500 feet to the south. The nearest school <br /> to the site is the Commodore Stockton Skills School, a junior high school located at 349 East <br /> Vine Street, approximately 1,500 feet southwest of the site. There are no significant surface <br /> water bodies within the site vicinity. <br /> w.. <br /> Based on the identified locations of sensitive receptors in the area and the extent of impacted <br /> groundwater beneath the site, it does not appear that present conditions at the site pose a risk to <br /> any of the identified sensitive receptors. <br /> +-► 5.5 Risk to Human Health and Safety <br /> A RBCA assessment was competed based on 98% upper confidence levels (UCLs) of data <br /> considered representative of current site conditions. Exposure pathways evaluated included <br /> surface soil and groundwater ingestion, and surface soil, subsurface soil and groundwater <br /> v <br /> volatilization to indoor and outdoor air. <br /> Based on the results of the RBCA assessment, conditions at the site do not exceed a hazard <br /> index of 1.0 or a cancer risk of 1.0 E-6 for on-site and off-site receptors, and concludes that the <br /> site represents no significant risk to human health or safety. <br /> L.� <br /> tr. <br /> 24 <br /> kwe <br /> �.+ <br /> vow <br />