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LIGHT, AIR & SPACE CONSTRUCTION <br /> ENVIRONMENTAL SERVICES COMPANY <br /> License Number 445403 <br /> RE.A.Number 04072 <br /> 4.4 Municipal Water System <br /> The subject property is not connected to a municipal water system. The property is supplied by <br /> one on-site domestic water well reported by the owner to be about 400 feet deep. <br /> 5.0 Prior Use History Review <br /> Consistent with the requirements of the ASTM, LA&S reviewed the prior use history of the subject <br /> property. LA&S attempted to review as many sources that were both reasonably ascertainable and <br /> likely to be useful as required by the ASTM guidance. The review attempted to identify the prior <br /> useage back to the earlier of the property's first developed use or 1940. <br /> 5.1 Agency Records Review <br /> A review of San Joaquin County Building Department records was performed for County permit <br /> records extended back to 1958. Two permits were found; Permit no. B-155259 dated 5/27/88 to <br /> David Weaver for a detached garage, and Permit no. 169684 dated 12/28/90 for a house remodel <br /> to David and Joyce Weaver. LA&S contacted the San Joaquin County Public Health Service <br /> Environmental Health Division regarding the site address, and the County reported that they did <br /> not have any files for the property address. The site is not listed on the current Regional Water <br /> Quality Control Board LUST list (January 2003). <br /> 5.2 Sanborn Fire Insurance Maps <br /> Sanborn Fire Insurance Maps show the location and use of structures on a property at a given <br /> point in time and are widely available for areas that were significantly developed during the late <br /> 1800s through the 1950s. There were no Sanborn Maps available for the site address and area. <br /> 53 Aerial Photographs <br /> LA&S reviewed aerial photographs for 1957, 1982,and 1994 from the EDR Aerial Photograph <br /> search service. A review of the aerial photographs showed the following: <br /> April 16 2003 Page 11 of 20 <br /> P.O.Box 36303 •SAN JOSE•CA•95158-6303 •408/979-0661 •408/979-0621 FAX•408/322-7325 PAGER <br /> GENERAL AND ENGINEERING CONTRACTOR•HAZARDOUS SUBSTANCE REMOVAL CONTRACTOR•SITE ENVIRONMENTAL ASSESSMENTS <br />