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1 _ <br /> clill • Eng�neenrig and Con5tructon, Inc <br /> July 5, 1994 <br /> Job No 93036 <br /> Conoco Inc <br />' Room PO - 3038 <br /> P O Box 4784 <br /> Houston, TX 77210-4784 <br /> ATTENTION Ms Linda Thompson <br /> Project Manager - Remediation Technology <br />' SUBJECT Annual Groundwater Monitoring Report 1994 <br /> Former Econo Gds Station <br /> 4325 East Washington Sheet <br /> Stockton, California <br /> Dear Ms Thompson <br /> 10 INTRODUCTION <br /> 1 <br /> This repoi t presents the results of the groundwater sampling which was conducted at Conoco Inc 's <br /> (Conoco) former Econo Gas Station, located at 4325 East Washington Street, Stockton, California (see <br /> the Location Map, Figure 1) on June 7, 1994 The purpose of this sampling program is to monitor and <br /> evaluate the extent of hydrocarbon contamination in the groundwater at the site Sampling observations <br /> and analytical results ale rtpaitc,ci herUlrn trorrn Uc,tobel 1991 through Juuc. r 1994 <br /> 2 0 GROUNDWAI ER SAMPLING SUMMARY <br />' 1 ��inirn.ti � cif l;rr)�tnd►� ifei FIevation Dain <br />' A ,urnrnaiy of data regarding ground water level,, through June 30, 1994 rs presented in [able A In <br /> general, giorrrrctwater it VelS at lllc; subJe;ct "Ole hAVC r rserl appruhnilar'- 1} > 19 toot "111"e OIL la"l �,irinplr l <br /> event The groundwater gradient at the ,ite is generally directed toward the southeast at a magnitude <br />' of appiorrnp <br /> nately () ()()I toot per foot (sce the Groundwatcr Gradicnt Ma , 1=laure Z) <br /> UNUI t7�11tl�Llli(1112�371 RS t <br /> It <br />