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Closure Documentation—7500 Eleventh Street, Tracy, C4. Page 5 Dietz Irrigation (1999), Report of Tank Removal — 7500 W. 11"h Street, Tracy, California. January 16, 1999. A summary of the history of the tank removals and the excavation and disposal of the contaminated soil was included in all reports related to the characterization of the site and the groundwater monitoring program that have been submitted to the SJCEHD, the RWQCB and Geotracker. The latest drawings presenting the relevant information are in: Dietz Engineering and Construction, Inc. (2011), Groundwater-quality Monitoring Report-July 2011, Former Fueling Station, 7500 West Eleventh Street, Tracy, California. October 2011. i 2.5 Monitoring Wells Remaining on Site, Fate All monitoring wells installed at the 7500 West 11th Street site remain open. Their locations are shown on Figure 2 in: Dietz Engineering and Construction, Inc. (2011), Groundwater-quality Monitoring Report-July 2011, Former Fueling Station, 7500 West Eleventh r Street, Tracy, California. October 2011. i All wells will be closed as soon as SJCEHD authorizes that to be done and the F expenditure is authorized by the California Underground Storage Tank Cleanup Fund. 2.6 Tabulated Results of All Groundwater Elevations and Depths to Water Tabulated results of all groundwater elevations and depths to water were presented in f Table 1 in: i I Dietz Engineering and Construction, Inc. (2011), Groundwater-quality Monitoring Report-July 2011, Former Fueling Station, 7500 West Eleventh Street, Tracy, California. October 2011. 2.7 Tabulated Results of All Sampling and Analysis. Detection Limits and Lead Analyses a The results of sampling and analysis of soil samples recovered from beneath the 7500 West 11th Street site were included in reports submitted to the SJCEHD the RWQCB and the Geotracker database following completion of the borings and wells. Those reports included laboratory certificates of analysis that cited the method detection limits of the analyses. j A compilation of the results from all soil analyses sample analyses conducted on the 7500 } West 11th Street site were included in Table 2 of: DEC