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r <br /> `- an & ASSOCIATES , INC <br /> GEOTECHNICAL ENGINEERING + ENVIRONMENTAL ENGINEERING <br /> CONSTRUCTION TESTING & INSPECTION <br /> i <br /> February 22, 2000 Project No 034-98081 <br /> FOURTH QUARTER 1999 GROUNDWATER MONITORING REPORT <br /> H&H ENGINEERING PROPERTY <br /> 212 INDUSTRIAL DRIVE <br />' STOCKTON, CALIFORNIA <br /> INTRODUCTION <br /> This report presents the results of our fourth quarter 1999 groundwater monitoring event of the H&H <br /> Engineering property located at 212 Industrial Drive in Stockton, California Krazan & Associates, Inc , <br /> (Krazan) prepared this report for the Wilbur-Ellis Company, the former owner of the subject site Ms <br /> Jan Thompson of Wilbur-Ellis provided approval of Krazan's Proposal No P99-158 dated January 7, <br /> 1999 to proceed with the quarterly monitoring activities The work was done on December 21, 1999 in <br /> accordance with a December 10, 1998 letter from Mr Michael J Infuma of the San Joaquin County <br />' Environmental Health Department Mr Infurna was not present for this monitoring event <br /> rFINDINGS <br /> Groundwater Elevation and Gradient <br /> The three groundwater monitoring wells located at the subject site were sounded by Krazan field <br />' personnel on December 21, 1999 The depth to groundwater in the subject site vicinity was <br /> approximately 31 5 feet below grade Groundwater flow direction was toward the noitheast at a gradient <br />' of approximately 0 005 feet per feet (26 4 feet/mile) Water level data are summarized in Table I <br /> (Appendix A) and groundwater parameters are summarized in Table H (Appendix A) A groundwater <br /> contour elevation map is presented on Figure 1 <br /> I <br /> r <br /> 215 West Dakota Avenue•Clovis California 93612 •(559)348-2200•FAX(559)348-2201 <br />' With Ten Offices Serving the Western United States <br /> 3498081 499 <br />