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Tracy Marine Sales Page 2 <br /> 2353 Toste Road October 29, 2412 <br /> Tracy, California 95377 <br /> • Wells that have laboratory data from the last sampling event that report non-detectable <br /> concentrations of contaminants of concern and with acceptable laboratory detection <br /> limits may be destroyed by pressure grouting from the bottom upward, while leaving the <br /> well casing in place. The top three feet or more of the well shall be drilled out with an <br /> auger that is at least one foot larger in diameter than the auger originally utilized to install <br /> the well, and the soil around the cut-off casing removed to a depth of an additional six <br /> inches below the new 'top' of the cut-off casing. The grout sealant shall spill out of the <br /> top of the well casing to form a mushroom cap seal, with at least 12 inches of neat <br /> cement grout poured 6 inches above and 6 inches below the top of the cut-off casing. <br /> • All groundwater displaced to the surface during grout installation shall be pumped out of <br /> the excavation to allow for the EHD inspection and verification that the well has been <br /> properly destroyed. Contaminated groundwater pumped out of the excavation shall be <br /> containerized for proper disposal. <br /> After the EHD has approved the well destruction scope of work proposal, you may submit an EHD <br /> Well and Boring Permit Application form, Master File Record form, and the appropriate fees for <br /> each parcel. The permit fee for the destruction of each well is $125.00, along with a $375.00 <br /> Inspection Activity fee per parcel. A review of the site records indicates that 23 wells currently are <br /> installed. A fee of $3,250.00 (23 wells x $125.00 + $375.00 x 1) will be required for the well <br /> destruction permits. <br /> Please provide the EHD certification in writing that all record owners of fee title to the above- <br /> referenced site have been notified of your request for closure. This is in accordance with Section <br /> 25297.15 of the California Health and Safety Code. Submit a complete list of record owners of <br /> fee title and their mailing addresses to the EHD. If you are the sole landowner, provide a <br /> statement to this effect to the EHD. A form has been enclosed for this purpose. <br /> If you have any questions concerning this letter, please contact Vicki McCartney at (209) 468- <br /> 9852, or by email at vmccartney@sjcehd.com. <br /> Sincerely, <br /> Victoria L. McCartney, REHS Adrienne Ellsaesser, REHS <br /> Senior Registered Environmental Health Specialist Program Coordinator <br /> c: Mr. Brian W. Millman, PG, Advanced GeoEnviron mental, Inc., 837 Shaw Road, Stockton, <br /> California 95215 <br /> Mr. James L.L. Barton, PG, California Regional Water Quality Control Board Central Valley <br /> Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, California 95670 <br />