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j - •• �f 4, � }.. r r,,, Y { ' v. - �-' `��5 .. Y � � t !. •>'' 1 I"�'wl I ' q s a N^' . <br /> °,ul-!' �° 9r R M1� " si. , - � .! !i r� •„ 1 iw r a ��' it -`' � { <br /> ��' t,i�. =1- tit r.`. `r 4 { y rP .` I r !/,� `' Is I Irn L F w l: w1.L r I! � Y ��,_`•+ `� r <br /> k1 <br /> .Quarterly.;Report ;Fourth7Q iiiUr 2004 <br /> mil• -.. I! Jr <br /> :FAST`AND:EASY:MART <br /> 244'West Harding Way, Stockton,California F" r <br /> 1.0. , ..INTRODU_CTION tri, <br />,' :. r 7• ." r- !{-~ - .!. .h. ,. -. 1. '� a,. <br /> At the'request of Mr..Mike Ali;Advanced GeoEnvironmental;Inc. (AGE)has prepared the enclosed I <br /> ' gltarterly report for the property located�at 244 West Harding Way, Stockt'on,'California: The scope ti` <br /> 1.11 <br /> o£work included round water monitoring and sam Iin laborato Sam le analysis,and preparation <br /> g g p ga.laboratory p y <br /> of this report. Site background information is included in Appendix A.The site and surrounding area.1 I' <br /> 1 ; are illustrated `on Figure' 1. On-site`structures; soil borings, 'and monitoring weil locations are <br /> illustrated on Figure 2. <br /> : .2.0. PROCEDURES ;. <br /> Field procedures were performed in accordance with CentralVailey Regional Water Quality Control <br /> .'Board (CVRWQCB) guidelines for the investigation of underground storage tank(UST) sites and <br /> San Joaquin County Environmental,Health Department(EHD)guidelines for the sampling of ground <br /> water monitorin wells. <br /> ''• . <br /> 11. WELL MONITORING AND EVACUATION <br /> ' Ori 03 November,2004; the,depth to groundwater in monitoring wells MW-1 through MW-3 was <br /> measured from the top of each well casing to the nearest•0.01-foot utilizing a Solinst water.level . <br /> meter. Ground water elevation in each well.was calculated by subtracting the measured depth to <br /> r' groundwater from the surveyed casing elevation (Table ]). <br /> =After water levels were measured,between 7.0 and 7.25 gallons of water(a minimum of three easing <br /> water volumes per well):were purged from the wells using dedicated; disposable;plastic;bailers: <br /> 'vi 'were measured at regular intervals during purging- <br /> Gro <br /> und water temperature,pH,and conducts ty g g <br /> ' 4 using an Oaktonwater.analyzer.Field sheets and data are included in Appendix B.Purged,water was , <br /> stored on-site in properly labeled,Department of Transportation(DOT)-approved 55-gallon-drurns <br /> pend,ng,properdisposal. <br /> 2.2. `COLLECTION OF GROUNDWATER SAMPLES. ; <br /> _ <br /> Ground water samples were collected from the,monitoring wells using disposable.plastic bailers; <br /> '. ,. these bailers were disposed' of-after one-use, thereby minimizing cross-contamination due' to <br /> sampling devices. Each ground water sample was collected,into three 40-milliliter-(ml)'volatile <br />„1 ^ ;•:' ' organic analysis (VOA)..vials containing 0.5 ml 18% hydrochloric acid solution as a sample <br /> h preservative. After collection, the samples were labeled and placed in-a'chilled:container for , <br /> S A r Advanced GeoEnvironmental,Inc. �' •, <br />