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THE <br /> TWINING <br /> LABORATORIES , INC . <br /> ANALYTICAL -.� SERVICES <br /> GEOTECHN CALEMISTRY NMENTAL ENGINEERING R DRILLING SERVICES JAN 0 4 1999, <br /> CONSTRUCTION INSPECTION & MATERIALS TESTING <br /> ENVIRONMENTAL HEALTH <br /> j <br /> PERMIT/SERVICES <br /> January 4, 1995 TL 394-0074-01 <br /> Mr. John Fukumoto <br /> City of Stockton — Public Works Dept. <br /> 425 North El Dorado Street <br /> Stockton, California 95202 <br /> Re: December Groundwater Flow Data For the Van Buskirk Park Golf Course Maintenance <br /> Yard, 1740 Houston Avenue, Stockton, California. <br /> Dear Mr. Fukumoto: <br /> j This letter presents the groundwater elevation and flow data collected on December 23, 1994 at <br /> the Van Buskirk Park Golf Course maintenance yard(site) (Drawing 1). The work outlined herein <br /> was performed by The Twining Laboratories, Inc. (Twining) in accordance with Twining's <br /> proposal dated September 15, 1994 (Twining, 1994). This work was performed under City of <br /> Stockton Purchase Order 064981. <br /> PURPOSE AND SCOPE <br /> The purpose of this project was to monitor the local groundwater flow direction for the site. The <br /> following scope of work was conducted to achieve the stated purpose: <br /> Depth to groundwater was in monitoring wells MW1 MW2 and MW3 using <br /> a Solinst electronic sounder accurate to 0.01 feet (Drawing 2); and <br /> This letter was prepared documenting field activities and presenting a groundwater contour <br /> map. <br /> FIELD RESULTS <br /> Hydro geologic Conditions <br /> According to groundwater elevation information generated during three previous monitoring <br /> events, groundwater flowed to the north--northeast. Groundwater elevation data generated during <br /> this investigation also indicated that groundwater flows to the north—northeast (Drawing 2). <br /> .� Groundwater elevation and well head survey data are summarized in Table 1. First encountered <br /> groundwater at the site occurs at approximately 14 feet BSG. <br /> CORPORATE OFFICE: MODESTO VISALIA BAKERSFIELD <br /> 2527 Fresno street 4230 Kiernan Ave.Suite 105 2521 E.Valley Oaks Drive 3701 Pegasus Drive,Suite 124 <br /> Fresno,CA 93721 Modesto,CA 95356 Visalia,CA 93292 Bakersfield,CA 93308 <br /> (209)268-7021 •Fax 268-7126 (209)545-1050 (209)625-1712 (805)393-5088 <br /> Chemistry Fax 268-0740 Fax 545-1147 Fax 625-1714 Fax 393-4643 <br />