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IIr Z <br /> ' ��' f•11 i ,rf 17;, <br /> a i, ti' r r N •T .A;a: �. I y -t; ud ' N �I 1 i <br /> L � SIJ o <br /> Jsn i <br /> I�S. L • 7 T' , 5 �• - •�' I ,, fJ• P 11 „. 1 M.R,r <br /> f _•4 j u .r I H� i F JI hl- -.,�1 � : it � r a f I y r- !L <br /> I <br /> ' <br /> " <br /> .n <br /> Quarterly�rReport Second Q�uarter�2005. �- r t` , '•U, +� ' <br /> f;,IFAST AND EASY;MART <br /> 4 244'West Harding Way, Stockton,'Californla "'; ' , �fF'° <br /> i4. INTRODUCTION <br /> At the request of Mr.Mike Ali,Advanced GeoEnvironmental,Inc. (AGE)has prepared the enclosed`, <br /> l i I <br /> - - I <br /> quarierly report for'th'e'property located at 244'West Harding Way,'Stockton, California. The scope, r <br /> of work included ground water monitoring and.sampling, laboratory sample-analysis;'submission of <br /> monitoring.-;and analytical data,,to the State -Water Resources Control' Board's: GeoTr- ker <br /> information management system; and preparation of this report. The site,and.surrounding.area are =w I d <br /> illustrated on-Figure-l.�Oin-site structures;soil borings,and monitoring well locations are illustrated, ' <br /> on,Figure 2.'Site liackground'.information is included in Appendi "'A. ' <br /> i • - <br /> 2:0. • ,PROCEDURES <br /> Field procedures,were performed in accordance with Central Valley Regional Water Quality Control <br /> Board (CVRWQCB) guidelinesfor-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 monitoring wells. <br /> 2.1.' WELL MONITORING AND EVACUATION' <br /> On 16 .June 2005, the depth to ground water in monitoring wells MW-1 through.MW-3 was <br /> measured from the'top of each well casing to themearest"0.01-foot"utilizing a•Solinst water level <br /> meter. Groundwater-elevation in'each well was calculated by subtracting the measured depth to; ' <br /> ground iwater froni'the surveyed easing elevation("Table 1) <br /> " , _ . • . - .. , . - - •_ it <br /> After water levels were measured, approximately 9 gallons of water (a minimum.of three"casing' k5'. <br /> water volumes per well)were purged from the each well using dedicated,disposable plastic bailers.' <br /> Ground water temperature,pH,and conductivity were measured'at regular intervals for stabilization, ". <br /> during purging using an Oakton"water analyzer. Field sheets and:data are-included in-Appendix'B. <br /> Pur ed water was stored on-site in properly labeled,Department ofTransp'ortation DOT -ap?roved <br /> 55-gallon drums pending proper disposal. <br />' 2.2.- COLLECTION-OF GROUND WATER SAMPLES <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 /> •' organic analysis, (VOA)- vials.,containing 0:5 -ml 18%, hydrochloric 'acid solution as a sample ; <br /> 1 <br /> Advanced GeoEnvironmentst,Inc. , . <br />