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April 2015 <br /> AGE Project No. 15-3394 <br /> Page 4 of 4 <br /> BORING ABANDONMENT <br /> All soil borings will be permanently sealed to prevent vertical migration of potential <br /> contaminants. Soil borings shall be abandoned by backfilling with cement grout from the <br /> total depth to surface grade. Any borings advanced below the groundwater table will be <br /> abandoned with grout utilizing tremie procedures. The top three to six inches of the <br /> boring abandonments will be completed flush to surface grade with native soils or <br /> concrete. The SJCEHD will be notified for grout inspection at least 48 hours prior to <br /> conducting grouting procedures. <br /> If you have any questions or require further information, please contact our office at <br /> (800) 511-9300. <br /> Sincerely, <br /> Advanced GeoEnvironmental, Inc. <br /> aQ��PN W nM<<�i <br /> No.8574 Z <br /> Daniel J. Villanueva Brian W. Millman s <br /> Project Geologist Senior Project Geologrs'i� _,, <br /> California Professional Geologist#8574 <br /> Advanced GeoEnvironmental,Inc. <br />