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DOULOs <br /> �a <br /> Environmental, Inc. � <br /> i <br /> Telephone: (916) 990-0333 <br /> P.O. Box 2559, Orangevale, CA 95662 FAX: (916) 990-032 <br /> April 17, 2003 <br /> a� <br /> Harlin KnollE <br /> Public Health Services San Joaquin County 'g <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> f <br /> Subject: Well Abandonment Work Plan <br /> Former Beacon#610, 3300 Waterloo Rd., Stockton, CA <br /> Dear Mr. Knoll: <br /> Doulos Environmental, Inc. (Doulos)has been contracted by ValerokEnergy Corporation <br /> p <br /> Valero to abandon ten wells seven monitoring and three vapor extraction associated with the <br /> (Valero) � g P <br /> subject site, in order to comply with the enclosed letter from the California Regional Water <br /> Quality Control Board letter of March 20, 2003. Enclosed is a completed well abandonment <br /> permit application, site figure showing well locations, a table showing well characteristics and <br /> estimated volumes ofrout to be used, and a check in the amount of$60.00. <br /> g <br /> The volume of grout needed to displace the pore space in the sand pack and the volume of the <br /> casing has been calculated(see table). The wells will be pressure grouted by trimming a neat <br /> cement slurry from the bottom of the well to the surface. The actuallpvolume of grout used will <br /> be recorded. The well boxes will then be removed and the casing will also be removed to <br /> approximately one foot below grade. Because this differs from the county's standards, Doulos is f <br /> requesting a variance on behalf of Valero. Doulos would like to begin work as soon as possible. <br /> If you have any questions regarding this matter please contact me at,'(916) 990-0333. ` <br /> :a <br /> Sincerely, <br /> DOULOS ENVIRONMENTAL, INC. <br /> �. D GFS` <br /> 4 Hal Hansen, R.G. #6697, C-57 #730042 <br /> HALEMANSEN <br /> HEH/tjh No. 6697 <br /> E Enclosures <br /> FDF CA <br /> Cost Effective solutions ' <br /> �y <br />