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Conclusions and Recommendations <br /> Monitoring well MW-3 located near the former tank pit was sampled during this quarter. <br /> TPHD was present at 510 ug/1 in MW-3. TPHG, BTEX and MTBE and oxygenates were <br /> not detected in that well. <br /> The site is scheduled for continued quarterly sampling pending SJC EHD review and <br /> comment. <br /> Limitations <br /> This report has been prepared specifically for M&M Builders site at 8111 gest Eleventh <br /> Street in Tracy, CA and was done according to the State and local agency suggested <br /> guidance documents for these investigations. The interpretations, conclusions and <br /> recommendations made herein are based on professional judgment of the data and analysis <br /> for the soil and water samples collected on-site and should be reviewed in the context of this <br /> report and other site reports. Wright Environmental Services, Inc. is not responsible for <br /> errors ;in laboratory analysis and reporting, or for information not available during the <br /> course of the study,and no warranty or guarantee is expressed or implied therein. <br /> If you have any questions,please call. <br /> Sincerely, <br /> Wright Environmental Services,Inc. � GFO� <br /> K° 1262 <br /> CERTIRED <br /> John Lynch Christopher M. Palmer E IGI11HRING <br /> President HG 246,CEG 1262 GEOLOGIST <br /> a., C <br /> Attachments: Table 1. Groundwater Well Water Levels,June 2004 <br /> Table 2. Groundwater Chemical Data,June 2004 <br /> Table 3. Historic Groundwater Chemical Data for <br /> Monitoring Wells <br /> Table 4. Historic Groundwater Data for Off-site Water Wells <br /> Figure 1. Groundwater Elevation Contours,June 25,2004 <br /> Figure 2. Groundwater Monitoring Well Sample Data, <br /> June 25,2004 <br /> Page 3 of 4 <br />