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equal to or greater than the volume of each borehole being sealed. A nine inch layer of <br /> quickrete topped by a three inch layer of asphalt patch was installed above the Portland <br /> Cement column for wells MW-1, MW-2 and MW-3, which had been installed within the <br /> roadway. The top one foot of the vadose wells (VW-A and VW-B) was completed by <br /> installing quickrete only, as these wells had been located within the Lindsay Street'sidewalk. . <br /> Water Well;Driller Reports (WWDR's) have been completed for each of the wells and have <br /> been forwarded to the Department of Water Resources in Sacramento, California. <br /> Disposal Sampling <br /> Since the wells were abandoned by pressure grouting to grade level', no debris was generated <br /> for disposal, therefore, no samples were collected for analytical testing. <br /> i <br /> Documentation <br /> This letter report has been generated to document final closure activities at the site..,, Copies <br /> of this letter report has been forwarded to the Regional Water Quality Control Board, Central <br /> Valley Region. <br /> If you have any questions or comments regarding this letter report, please do not hesitate to <br /> call me at (510) 372-5292. <br /> i <br /> Sincerely, <br /> JIT C471 <br /> Sey Geels <br /> Project Manager <br /> . i <br /> c\sydney\stkabnf1 <br /> Attachments <br /> cc: Brandon Harris- Pacific Bell t <br /> Irene Soto - Pacific Bell <br /> Y <br /> } <br />