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y V <br /> DOULOS ENVIRONMENTAL COMPANY <br /> 1537 PINE VALLEY CIRCLE <br /> ROSEVILLE, CA 95661 <br /> (916) 782-9054 <br /> October 22, 1998' r: <br /> c, -c <br /> Attn. Margaret Lagorio <br /> Public Health Services San Joaquin County r <br /> 304 East Weber Avenue, Third Floor -- c- - <br /> Stockton, CA 95202 0 <br /> Subject: Well Abandonment Work Plan, Beacon 492, 470 North Main St., Manteca, CA <br /> Dear Ms. Lagorio: <br /> i <br /> As we discussed in our October 21, 1998 phone conversation, Doulos Environmental Company <br /> (Doulos) has been contracted by Ultramar, Inc. (Ultramar) to abandon two monitoring wells and <br /> four vapor wells at the subject site. <br /> Prior to pressure grouting the wells, the volume of grout needed to displace the pore space in the <br /> sand pack and the volume of the casing will be calculated. The,wells will be pressure grouted by <br /> trimming a neat cement slurry from the bottom of the well to the surface. The actual volume of <br /> grout used will be recorded. The well boxes and top three feet of casing will not be removed at <br /> the time of abandonment but during the tank replace later the same week. Because this differs <br /> from the county's standards, Doulos is requesting a variance on behalf of Ultramar. <br /> After the field work is completed, a letter report will be forwarded to your office within 45 days. <br /> Doulos has scheduled this work for November 3, 1998. If you have any questions regarding this <br /> matter please contact me at (916) 782-9054. <br /> Enclosed is a completed well destruction application and master file record form, a site map and a <br /> check for $60.00 and $234.00 <br /> Sincerely, - <br /> �D G,6 <br /> DOULOS ENVIRONMENTAL COMPANY '� � c<® <br /> HAL E. HANSEN <br /> Hal Hansen, R.G. #6697, C-57 #730042 No. 6697 <br /> N <br /> HEH/t'h _ <br /> enclosure 9�4< O <br /> F C►`� <br />