ARCHIVED REPORTS PHASE I ENVIRONMENTAL SITE ASESSMENT

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Redevelopment Agency of the City of Stockton Page 13 ' B34602.01 systems would be observed, or reported by individuals with knowledge of the SITE. If boilers were used in the on-SITE structures, it is likely that fuel oil USTs were installed and remain on- SITE. ' 6.2 Off-SITE Concerns Numerous off-SITE facilities were identified during the regulatory list and record review. Records regarding those facilities within one-quarter mile of the SITE were reviewed at the S]CEHD. No information was found indicating that soil or groundwater at ' the SITE is known or suspected of having been impacted by the release of hazardous materials at off-SITE facilities. The recognized environmental concern to SITE soil and/or groundwater from off-SITE sources, appears low. 7.0 CONCLUSIONS We have performed a Phase I Environmental Site Assessment in conformance with the scope and limitations of ASTM Practice E 1527 of the SITE. Any exceptions to, or deletions from, this practice are described in the following paragraph. This assessment has revealed no evidence of ' recognized environmental conditions in connection with the SITE, except those associated with: • the current and/or former use/tenancy of Parcels 1, 6, 15, 16, 38; • the possible presence of fuel oil USTs which may have existed in association with ' boiler/heating systems within the on-SITE structures; and • the possible presence of asbestos containing materials within the on-SITE structures. ' At the direction of Mr. Ron Cook of the Redevelopment Agency of the City of Stockton, the SITE was not entered, and no individuals associated with current on-SITE activities were contacted. ' 8.0 RECOMMENDATIONS ' In consideration of the PHASE I findings, Twining makes the following recommendations: • allow a reconnaissance of the SITE to assess the current and/or former use of boiler/heater systems which may have been equipped with USTs to contain heating oil; ' conduct an asbestos survey within the on-SITE structures to assess the presence of asbestos containing materials; • analyzed soil samples collected from strategic locations on Parcels 6, 15, 16, and 38 to ' assess the impacts to soil and/or groundwater as a result of commercial activities there • continue groundwater monitoring at Parcel 1 and assess the extent of remaining soil impacts there. 9.0 LIMITATIONS The purpose of an environmental assessment is to reasonably assess the potential for, or actual impact of, past practices on a given site which may pose an environmental impairment to it. No ' assessment is thorough enough to identify all potential environmental impairments at a given site.