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Phase I Environmental Site AssessmA�e'pdate Page 5 Teixeira-Souza Property—Villages D2, D3,and D4 October 27,2006 WKA No.:5475.10 CONCLUSIONS The updating site reconnaissance revealed that significant land-use changes have occurred on the site since the initial Phase I ESA completed in June 2003. The previously noted changes to the site comprise an ongoing grading operation in preparation for the installation of future neighborhood features. No evidence of hazardous materials contamination or bulk storage of hazardous materials was observed on the site. WKA identified the one listed facility, Shell Pipelines, as one that could potentially affect groundwater quality in the area of the site. Due to the proximity of the Shell Pipelines' petroleum-contaminated soil to the site, regional groundwater flow direction, and recent up-to- date information obtained through an interview with a representative of the lead regulatory agency, the unauthorized release from the Shell Pipelines facility is identified as an REC due to the likely presence of petroleum products that indicate a material threat to groundwater on the site. WKA performed a Limited Phase lI Assessment in October 2006 on the area of land immediately south of Village D3 Subdivision. The purpose of the assessment was to evaluate whether petroleum hydrocarbon-affected soil is present on the proposed Village D6 Subdivision within the Teixeira-Souza property in the vicinity of the nearby Shell Pipelines that rums northwest to southeast, approximately 800 feet west of the property boundary. Based on the results of the assessment, no direct impact to near-surface soil within the property boundary was identified related to the nearby Shell Pipelines facility. However, groundwater quality was not evaluated as part of the assessment. The site does not contain any known water supply wells or septic systems and associated leach fields and/or dry wells. With the exception of the Shell Pipelines facility, review of agency records did not reveal any direct evidence of hazardous materials contamination on the site, but did show contamination on an adjacent property,the Shell Pipelines facility. WALLACE KUHL _. &ASSOCIATES INC.