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• Discussion <br /> Groundwater flow direction appears consistent with historically observed trends The <br /> concentrations in Well MW-1 reflect a decrease of levels of TPHG and BTEX Some fluctuations <br /> in concentrations are attributed to residual contaminants in the soil strata in the immediate <br /> vicinity of the former tank pit Wells MW-2 and MW-3 continue to show that contaminants <br /> are not detected In Wright's opinion, contaminant concentrations at MW-1 are anticipated to <br /> continue to display an overall decreasing trend <br /> Monitoring Schedule <br /> The quarterly monitoring for this site is scheduled to continue at quarterly intervals <br /> Limitations <br /> This report has been prepared for the specifically for the M & M site at 60 E 10th Street, <br /> Tracy, CA, and was done according to the State and local agency suggested guidance documents for <br /> these investigations The interpretations, conclusions and recommendations made herein are <br /> based on the data and analysis for the water samples collected on-site and should be reviewed in <br /> the context of the whole report Please note that reports of contamination must be submitted to <br /> the agencies in a timely manner Wright Environmental Services, Inc is not responsible for <br /> errors in laboratory analysis and reporting, or for information withheld during the course of <br /> the study, and no warranty or guarantee is expressed or implied therein <br /> If you have any questions concerning this report, please call D G D <br /> E <br /> Sincerely, ��`� %0ER <br /> Wright Environmental Services, Inc <br /> N° 1262 <br /> CERTIFIED <br /> ENGINEERING <br /> ohn Affonso Christopher M Palmer GEOLOGIST <br /> Project Manager C E G 1262, HG 246 OF CPL]V3 <br /> Attachments Table 3 Historic Groundwater Chemical Data <br /> Figure 1 Site Plan and Groundwater Elevation Contour Map <br /> Groundwater Sampling Information Sheets <br /> Chemical Analytical Data and Chain-of-Custody Form <br /> cc: San Joaquin County PHS-EHD, Attn Mr Steve Sasson <br /> Regional Water Quality Control Board, Attn Ms Elizabeth Thayer <br /> M & M Automotive Project No 4100-QM Page 3 <br />