ARCHIVED REPORTS XR0010089 - Laserfiche WebLink

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Conclusions and Recommendations The information contained herein has discussed the extent of the contaminant plume and historic groundwater monitoring data The chemical data strongly indicate a highly degraded petroleum hydrocarbon plume which has stabilized at the locations shown on the Figures The calculated quantities of contaminant are very low and cannot be cost-effectively removed Since this plume is highly depleted in volatile constituents, it poses a low threat to the nearby receptors (Tracy High School) On the basis of this data presented in this report, and previous submittals, further work is not warranted at this time Wright proposes that this site be closed at this time Wright recommends that the groundwater monitoring wells abandoned after PHS EHD has issued a site closure Limitations y This report has been prepared specifically for the Mr Ed's Muffler Site at 595 E 11 th Street in Tracy, and was done according to the current State and local agency suggested guidance documents for these investigations The interpretations, conclusions and recommendations made herein are based on the data and analysis for the soil and water samples collected on-site and should be reviewed in the context of this report and other site reports Please note that reports of contamination must be submitted to the agencies in a timely manner Wright Environmental Services, Inc is not responsible for errors in laboratory analysis and reporting, nor for information not available during the course of the study, and no warranty or guarantee is expressed or implied therein Selected References Bechtel Inc , report entitled, "Preliminary Assessment, Cox and Cox Property, 595 East 11 th Street, Tracy, C4 95376, EPA ID No CAD 983649294, work assignment 6 0- 1 5-9 J 0 0 ARCWEST Program, submitted to Rachael Loftin, EPA Region 1X," dated September 7, 1993, 1 0 pages with attachments County of San Joaquin Public Health Services Environmental Health Division, letter to Elroy Cox and Emily Cox, dated Nov 20, 1995, RE 595 E Eleventh Street Tracy, CA Site Cade 1933, 2 pg EVAX Technologies, Scott's Valley, CA, report entitled, "Site Investigation Report for 595 East 11th Street in Tracy, San Joaquin County, California," Project No B239-02 dated April 7 , 1992,9 pg with attachments Remediation Risk Management, Inc , (Aptos, CA) report dated November 8, 1993, entitled `Site Characterization Report for the Subject Site Located at 595 East 11th Street in Tracy, California, San Joaquin County, California, 4 pages with attachments and figures Page 10