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1 E <br /> r r <br /> GeoloWicW Audit Services, Inc. <br /> MVV/ ' <br /> Environmental Professionals <br /> AM <br /> low <br /> 1803 W.March Lane,Suite A• Stockton,CA 95207• (209)956-0700 • FAX(209)956-0700 <br /> w 5 August 1993 <br /> (GeoAudit 663-S <br /> &ft am <br /> Deborah Reade Uot <br /> 100 E1 Rancho Road South RE lvtu <br /> Santa Fe, NM 87501 AUG 13 1993 <br /> ENVIRONMENTAL HEALTH <br /> Subject: Quarterly Monitoring Report - Yellow submarPfiRM1T1fflV10 <br /> 140 West Harding Way, Stockton, California <br /> Dear Ms. Reade: <br /> At the request of 14r. Michael Infurna of the San Joaquin County <br /> PHS/EHD, representatives of Geological Audit Services, Inc. <br /> (GeoAudit) visited the property at 140 West Harding Way in <br /> Stockton, California (the site) to perform minimum quarterly <br /> monitoring procedures. <br /> On 29 July 1993 , the depth to groundwater in the four monitoring <br /> wells on the site was measured. Mr. Michael Infurna of the San <br /> Joaquin County Public Health Services - Environmental Health <br /> Division (PHS/EHD) was present to observe the measurements. Table <br /> 1 summarizes the results of the monitoring. No groundwater samples <br /> !� were collected during this quarter. <br /> The depth to groundwater rose approximately 2 feet in each well <br /> during the second quarter of 1993 . Groundwater gradient and <br /> direction, calculated using monitoring wells #1, #2 and #4 , is <br /> 0. 0027 ft/ft in a northeast direction (N 42.0 E) . Similar <br /> calculations, using monitoring wells #1, #2 and #3 , yields a <br /> gradient of 0. 0022 ft/ft, also in a northeast direction (N 440 E) . <br /> The results of this monitoring event are very similar groundwater <br /> gradients to those from the March monitoring event (0 . 0020 ft/ft, <br /> N 56° E) . <br /> lf,tl ' Opporttinl tt-y to pT'epai e this report- is qrC'.t tly r?ppre-cIated. <br /> Please feel tree to contact our office should you require have any <br /> questions. <br /> Sincerely, <br /> GEOLOGICAL AUDIT SERVICES, INC. <br /> XAPI;4 *6e <br /> 9 <br /> Kevin McKibben Victor B. Cherve.n <br /> Staff Geologist Principal Geologist <br /> Registered Geologist #3475 <br /> Is c: (2) addressee <br /> Mr. Michael Infurna, PHS/EHD <br /> Full Spectrum Environmental Services• Hydrogeology <br />