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'r Quik Stop Market No. 132 Page 2 <br /> 3555 West Hammer Lane March 1, 2012 <br /> Stockton, California 95209 <br /> V i <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 than the auger originally utilized to install the well, <br /> and the soil around the cut-off casing removed to a depth of an additional six inches <br /> below the new 'top' of the cut-off casing. The grout sealant shall spill out of the top of <br /> the well casing to form a mushroom cap seal, with at least 12 inches of neat cement <br /> �. 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 /> This site has 1 well located off-site in the West Hammer Lane right-of-way. Please <br /> submit a copy of a valid City of Stockton encroachment permit along with the EHD Well <br /> and Boring Permit Application form for this well. Also submit a copy of the access <br /> �- agreement for the destruction of two wells located on an adjacent parcel along with the <br /> EHD Well and Boring Permit Application form for these wells. <br /> After the EHD has approved the well destruction scope of work proposal, you may submit an <br /> EHD Well and Boring Permit Application form, Master File Record form, access agreement, <br /> encroachment permit and the appropriate fees for each parcel. The permit fee for the <br /> destruction of each well is $125.00, along with a $375.00 Inspection Activity fee per parcel. A <br /> review of the site records indicates that 9 wells currently are installed. A fee of $2,250.00 (9 <br /> monitoring wells x $125.00 + $375.00 x 3 parcels) will be required for the well destruction <br /> permits. <br /> If you have any questions, please contact Vicki McCartney at (209) 468-9852 or by email at <br /> vmccartney@sjcehd.com. <br /> V <br /> Sincerely, / <br /> Victoria L. McCartney, REHS Adrienne Ellsaesser, REHS <br /> Senior Registered Environmental Health Specialist Acting Program Coordinator <br /> c: Mr. James L. L. Barton, PG, California Regional Water Quality Control Board Central <br /> ,r Valley Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670 <br /> Mr. Kirk Larson, PG, State Water Resources Control Board Underground Storage Tank, <br /> PO Box 944212, Sacramento, California 94244-2120 <br /> Mr. Scott Perkins, ATC Associates Incorporated, 6602 Owens Drive, Pleasanton, <br /> California 94588 <br /> V <br />