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27 January 2016 RECEIVEDFEB 0 1 2016 <br /> AGE Project No. 14-3289 <br /> Page 2 of 2 <br /> ENVIRONMENTAL <br /> HEALTH DEPARTMENT <br /> by over-drilling the wells to their total depths of 5 feet bsg utilizing a 4.0-inch diameter <br /> hand auger. All well construction materials were removed from the wells during <br /> destruction. <br /> Following over-drilling, each well was grouted to near surface using a Portland cement <br /> grout mixture, well boxes were removed and the surfaces at each location were <br /> completed with a concrete patch. <br /> Over the course of the over-drilling and well destructions, approximately 600 pounds or <br /> one 55-gallon drum containing waste derived from the well destructions, were removed <br /> by Instrat Inc. of Rio Vista, California. Waste was properly hauled and disposed of under <br /> uniform non-hazardous waste manifest, which has been included in Appendix B. <br /> If you have any questions or require further information, please contact our office at <br /> (209) 467-1006. <br /> Sincerely, <br /> Advanced GeoEnvironmental, Inc. <br /> \ NAL <br /> o8 <br /> N5 74 <br /> Jennifer Berjikian Brian W. Millman <br /> Staff Geologist Senior Project Geologist 'q, '4111 <br /> California Professional Geologist No. 8574 <br /> Advanced GeoEnvironmental,Inc. <br />