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trees are gone. The 1982 photo shows what appears to be row crops and a significant housing development to the south across Bear Creek and its associated levee. The commercial area to the east of the Site has begun with 2 warehouse type buildings and Elkhorn Country Club 1/4 mile to the north has begun to take shape. The Site remains undeveloped (except for the house and garage area—the barn is now gone) in 1993 while the commercial area to the east has developed into 6 warehouse structures. The 1998 photo shows the Site relatively unchanged. 5.6 Historic Topographical Maps The 1910, 1947, 1953, 1968 and 1976 topographical maps were available from the EDR Historical Topographic Map Report (See Appendix D). The 1910 map shows a very rural area with Lower Sacramento Road and Davis Road and the railroad located approximately 1500 feet to the east and is operated by Western Pacific Railroad. Bear Creek at this time has been channeled into a levee. The first structure on the property appears on the 1953 map with additional structures added in 1968. 5.7 Previous Investigations Wallace-Kuhl &Associates (WKA) completed an Environmental Site Assessment dated October 15, 2003 and a Geotechnical Engineering Report of the Foppiano Property dated August 22, 2003. These reports were completed detailing a 17-acre Site. The Phase I found no recognized environmental conditions. Since these reports were completed, the school and residential subdivision boundaries have changed. The current 11.7 acre parcel as detailed in this 2006 report is the northern portion of the 17 acre parcel described in the 2003 reports. A Geologic Hazard and Geotechnical Engineering Report dated June 29, 2006 by WKA is an updated Geotechnical report detailing the current 11.7 acre property including the proposed school footprint. In November of 2004, The Planning Center and Schiermeyer Consulting Services completed a Railroad Risk Analysis for the Site. This report details the railroad line lying approximately 1260 feet east of the Site. In regards to the railroad nearby the Site, this report determined that"the situation at the school Site is optimum" and "there are no situations regarding the interaction between(the Site) and the nearby railroad easement that would cause unique concerns". This report is enclosed in Appendix F. APipeline Risk Analysis Report, completed by Levine-Fricke, dated December 30, 2004 for the PG&E pipeline near the property determined that"Individual and societal risk resulting from pipeline failure for an individual at the proposed school site were determined to be insignificant." This report is enclosed in Appendix G. In August of 2006, a Pre-Demolition Asbestos and Lead Based Paint Survey was conducted on the buildings on Site. This report identifies that no asbestos was found in Phase I Environmental Site Assessment Proposed Podesta Ranch Elementary School December 5,2006 Page 12 of 12