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Margaret Lagorio [EH] <br /> From: Margaret Lagorio [EH] <br /> Sent: Thursday, September 18, 2008 11:04 AM <br /> To: 'michael.schulman@parsons.com' <br /> Subject: PG&E site at 26250 S.Airport Way, Manteca <br /> Attachments: Scanned_.pdf <br /> �1 <br /> Scanned_.pdf(205 <br /> KB) <br /> Michael, <br /> Attached are the permit for the destruction of the monitoring wells at the above site with <br /> the conditions that PZ3 is overbored and grouted and that the other wells to be pressure <br /> grouted are excavated around, the casing cut 2 .5 feet below grade and a mushroom cap of <br /> grout placed over the cut casing. The sections of San Joaquin County Well Standards on <br /> destruction of monitoring wells are also provided. Section 13.17.6 requires wells located <br /> in an area of contamination be destroyed by removing all material within the original <br /> borehole (overboring) . Sections 12.17.12 and 13 .17.13 have the requirements for pressure <br /> grouting. A table of soil sample results from wells and borings at the site is also <br /> included that shows soil contamination when PZ3 was installed. This well also has some <br /> contamination in the groundwater sample results. If you have questions please contact me. <br /> In addition, please let me know as soon as possible when the work is scheduled to be <br /> performed so our staff can inspect the destructions. <br /> Margaret Lagorio, REHS <br /> Program Coordinator Unit IV <br /> 600 E. Main Street <br /> Stockton, CA 95202 <br /> (209) 468-3449 <br />