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Phase II Environmental Site Assessment Report <br /> WESTLAKE SUBDIVISION VILLAGE E, G, H, I AND J <br /> Regatta Lane <br /> Stockton, California <br /> WKA No. 13221.02 <br /> July 27, 2021 <br /> 1.0 INTRODUCTION <br /> Wallace-Kuhl and Associates (WKA) prepared this report to describe field activities, summarize <br /> laboratory analytical results, and present conclusions for the Phase II Environmental Site <br /> Assessment completed at the Westlake Subdivision Villages I, G, H, I, & J (Site). The Site is <br /> located along Regatta Lane in Stockton, San Joaquin County, California (Figure 1 and 2). <br /> Figure 3 illustrates that the Site is comprised of 93.62 that are identified by San Joaquin County <br /> Assessor's Parcel Number (APNs) 066-050-230, 066-050-240, 066-050-250, and 066-050-260. <br /> WKA identified Recognized Environmental Conditions (RECs) that are described in the WKA <br /> report, Phase I Environmental Site Assessment, Westlake Subdivision Villages E, G, H, I & J, <br /> Regatta Lane, Stockton, California., WKA No. 13221.01, dated July 6, 2021 (Phase I ESA <br /> Report). The Phase I ESA Report presented Site historical aerial photographs that revealed the <br /> Site had supported row crops and other irrigated crops from at least 1937 to at least 1998. The <br /> Site was excavated, by 2006, to construct an approximately 30-acre lake, around which <br /> residential lots would be developed. The lake occupies APN 066-050-270, which is not included <br /> in parcels addressed by this Phase II ESA study. <br /> Visual observations made during the Phase I ESA site reconnaissance revealed the Site <br /> surface did not exhibit significantly changing surface elevations. These observations indicate <br /> that the entire area of the Site that is outside of the lakes was likely covered by soil excavated to <br /> construct the lake. <br /> WKA identified recommended sampling procedures for soil that formerly supported agricultural <br /> activities using the DTSC Interim Guidance for Sampling Agricultural Properties-Third Revision <br /> (August 7, 2008)' (Agricultural Guidance). <br /> Interim Guidance for Sampling Agricultural Properties (Third Revision) (DTSC August 7, 2008). NM <br />