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WORK PLAN AND ADDENDUM TO: <br />"SITE ASSESSMENT REPORT" <br />23675 So. Airport Way, Manteca, <br />Wm. Y. Hunter & Associates <br />March 4, 1991 <br />PROPERTY LOCATION: 23675 So. Airport Way, Manteca, CA <br />NAME AND ADDRESS OF PROPERTY OWNER: Charles A. Karlson <br />Trust-Maraaret Russell, Trustee; 13515 Marengo Road, Galt, <br />CA 95632 <br />CONTACT PERSON: Wargaret Russell, (209) 745-2466 <br />ASSESSOR'S PARCEL NO: 243-450-012 (See original report, <br />attached, for all legal and previous report exhibits.) <br />LEGAL DESCRIPTION OF PROPERTY: hots five (5) and sirs (6) as <br />shown upon map entitled, Map # 1, California Nile Gardens <br />Farms, filed for record Dec. 4, 1912, in Vol. 6 of Maps and <br />Plats, page 47, San Joaquin County Records. <br />BACKGROUND DATA <br />Attached is a copy of the William J. Hunter & Assocs. (WJH) <br />Site Assessment Report that details geology of the area, <br />tank removal and excavation operations, results of tests run <br />on soil samples from the excavation and on water from t'ie <br />water well located on site. This report concluded that the <br />sum of evidence did not indicate groundwater contamination <br />and that no further work was needed. <br />Several telephone conversations were held during 1990 <br />betweer, WJH, Consultant; E. Ratliff, H. Knoll and M. <br />Lagorir„ EHD; and M. Russell and J. Welch, Attorneys and <br />trustees for the property. Ori 1/9/1991, the project was <br />discussed at a meeting in the EHD offices, Stockton, CA. <br />Those present were: H. Knoll, M. Lagorio, M. Russell, J. <br />Welch, and WJH. The recommendations and work plan that will <br />follow in this report are a result of the above meeting. <br />GROUNDWATER LEVELS <br />Further investigations of historic groundwater levels have <br />been made. Figures 1, 2 and 3 are taken from water level <br />maps prepared by the San Joaquin County Flood Control and <br />Water Conservation, District, Vertical Sub -Sea Datum. Figure <br />1 represents the Spring of 1990, the latest data available <br />1 <br />