ARCHIVED REPORTS_PHASE I ENVIRONMENTAL SITE ASSESSMENT AND LIMITED SUBSURFACE INVESTIGATION

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` Winston#209 Manteca,CA August 8,2002 7.0 REGULATORY REVIEW A review of environmental regulatory agency database listings was obtained from Track Info Services/Environmental First Search of San Diego, California. The purpose of the review was to identify reported environmental issues for the Site and other properties in the vicinity. First Search utilized a maximum one-mile search distance for each of the referenced federal and state environmental databases, as per ASTM Standards. SECOR reviewed the results of the database search report to note reported release sites in the vicinity of the Site that were considered to have a potential to have adversely impacted the Site. Reported release sites identified in the regulatory agency database search report were evaluated with respect to information provided about the nature and extent of a given release,the distance of the reported release from the Site,and the position of the reported release with respect to known or expected local groundwater flow direction. Generally, reported release sites located within 1/4- mile upgradient, 1/8 mile cross-gradient,or located on adjacent downgradient properties would be considered to have a potential to have impacted the Site. Sites that were listed in the database search report, but not identified as a release site (for example a site listed as a hazardous waste generator but not having had a release), and sites that were listed as being "closed," were not ` considered to have a potential to impact the Site. The environmental database report provided by First Search is included as Appendix C. ` The Site is not included on any of the environmental databases searched. _ There are no adjoining or nearby properties listed on the database search report that are potentially impacting the Site. r 0042 gy ston 209 ptrase 2 reviewedl SECOR International Incorporated t1