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' QUARTERLY:REPQRT <br /> December IM,:',:; <br /> F - . Hess'-DuB6is Cleaners <br /> 348 West•Harding Way <br /> ,•, z Stockton, California �. d <br />•,' .. 1. - • ,. ,'�� '` ' - . 1. i w�1 <br />' 1.0. INTRODUCTIONAND SCOPE OF WORK <br /> At;the request ofMr.-PeterWallke property owner, Advanced GeoEnvironmental, Inc. (AGE), has;, <br /> prepared-thus Quartei'ly.,Report detailing field--activities.`at 348'West Haiding.Way in, Stockton,', <br /> California. The scope of work'included the.installation'of three round watet moriito'rin `wells the <br /> baxidonnient of one ground water monitoring well And the-collection of groiund.water sam les; The; <br /> 'location,bfthe site is illustrated inTigure 1 -Location1fap.,'A-plan'of•the site is depicted'in Figure'-,. :. <br /> ,'. ..2-Site Pla3J. L <br /> Field activities at the site were'performed in accordance.,with guidelines for;investigation'of n . <br /> 'underground=storage tank(UST)sites established by the San Joaquin County?ublic�Health Services <br /> Environmental Health Divisio�i (FHS-EIII },ard Ce��tral Valley Regibanal..S�Vater:Q�aality'Control <br /> Board (CVRWQCB): <br /> M' :2.0. ' BACKGROUND <br /> •2.1:, SITE LOCATION . <br /> The site is.located in a topographically fat.businesskdsidential area of Stockton, ,California: Currently., <br /> a drycleaning business.occupies the subject property. <br /> 1 <br /> 2.2: UST REMOVAL <br /> Eight underground storage tanks (USTs)•were removed from the site by Falcon Energy Associates <br /> ' ( E )in January,1991. It is our understanding that the tank's contained stoddard solvents used in day ; <br /> cleaning processes. <br /> Tanks Nos. J through 7 were removed from a comrnon•excavation along thie'southern portion.of the ; <br /> property (tank pit No. )..'Tank.No'. 8 was'removed from beneath the_sidewalk along Van Buren ; <br /> Street (tank pit No.2)s Soil samples collected from tank pit 'No.l,indicated the detection of an <br /> ' 4 "unauthorized release of-petroleum hyd.rocarbons'while`pet rol'euin hydrocarbons were not detected <br /> in the samples collected from tank pit No: 2. .! <br />