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AdvancedGeo <br /> An Employee-Owned Company <br /> rutin <br /> M/1 <br /> nrv� <br /> i MI\ ► � <br /> 18 August 2021 <br /> Project No. 21-6555 <br /> Mr. Michael Kith <br /> San Joaquin County Environmental Health Department <br /> 1868 E. Hazelton Avenue <br /> Stockton, CA 95205 <br /> Via Email: mkith(c)-sigov.org <br /> Subject: Limited Phase II Site Assessment Work Plan <br /> GOODWILL — STOCKTON (NO.2) <br /> 129 South Grant Street, Stockton, California <br /> Dear Mr. Kith: <br /> AdvancedGeo, Inc. (AGI) has prepared this Limited Phase 11 Site Assessment Work Plan <br /> for the property located at 129 South Grant Street, Stockton, California (site or subject <br /> property). The scope of work includes advancing three (3) soil borings for the collection <br /> of soil-vapor samples. <br /> This work plan has been prepared as required by the San Joaquin County Environmental <br /> Health Department (EHD) application for a boring/well permit. The site and surrounding <br /> area are illustrated in Figure 1. On-site structures and proposed soil-vapor sampling <br /> locations are illustrated in Figure 2. <br /> 1.0. INTRODUCTION AND BACKGROUND <br /> During the performance of a Phase I Environmental Site Assessment for the site, AGI <br /> identified an immediately adjacent long-term dry-cleaners, "Riteway Cleaners," as well as <br /> historical gasoline station located northeast of the subject property. The presence of a dry <br /> cleaner and former gasoline fueling station on the adjacent property is a Recognized <br /> Environmental Conditions (REC). Therefore, AGI recommended collecting soil-vapor <br /> samples to determine if the subject property had been impacted by PCE or gasoline <br /> constituents (Figure 2). <br /> 2.0. SCOPE OF WORK AND PROCEDURES <br /> AGI proposes to advance three (3) soil borings to total depths of 10 feet below surface <br /> grade (bsg) for installation of dual-completed soil-vapor wells (SV1 through SV3). Soil- <br /> 837 Shaw Road • Stockton,CA 95215 <br /> Telephone (800) 511-9300 • Fax(888) 445-8786 <br />