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' 3.2 1 California Water Service Company Records As part of the well search in the vicinity of former Exxon RS 7-3942, a database printout was requested and received from the California Water Service Company (Cal Water) in April 2001 Among the two State Wells (Sta 38 and Sta 49) identified within one mile of former Exxon RS ' 7-3942, only Sta 49 is active Well Sta 38 is located crossgradient and approximately 1,800 feet southwest from former Exxon RS 7-3942, and Well Sta 49 is located upgradient and approximately 1,900 feet south from the site Both wells are more than 500 feet deep and screened from depths greater than 150 feet The information provided by Cal Water suggests that there are no wells that pump water from a shallow or deeper water bearing zone within one ' mile of the site in the downgradient direction The Cal Water data record is provided in Appendix H The location of these wells is presented on Figure 9 3.2.2 Environmental Data Resources, Inc. Records An electronic search of environmental records for sensitive receptors was performed by Environmental Data Resources, Inc (EDR) The EDR records, as presented in Appendix I, indicate five downgradient water wells located approximately 4,800 feet northeast (reported as destroyed), and six wells 1,300 feet southeast and upgradient of the site The location of these ' wells is presented on Figure 9 There are groundwater monitoring wells located at both the Shell service station and a 7-11 food and gasoline service store located on the southwest and northwest corners, respectively, of the intersection of North Pershing Avenue and Rosemarie Lane 3.2.3 Field Observations A limited door-to-door well survey was performed by ETIC in the immediate area of the site to determine the number of groundwater monitoring wells at the neighboring properties, and to assess the presence of a domestic well thought to exist in a location approximately 600 feet west of the site, which is upgradient to crossgradient of the site The potential presence of a domestic well at this location was reported in the Preliminary Report prepared in 1987 (EA 1987a) There are 5 groundwater monitoring wells located at the Shell service station and 3 wells at the 7-11 food and gasoline service store located on the southwest and northwest corners, respectively, of the intersection of North Pershing Avenue and Rosemarie Lane The property where the domestic well was thought to be located was visited by ETIC personnel As no one was available to interview at the time of the visit, a written request for information concerning the presence or absence of the well was left at the property ETIC did not receive a response to the written request The location of this property in question is presented in Appendix J G 1Projectst73942'64A3FER%WP1Ra08014ext2 doc 6