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0 • <br /> STATE OF CALIFORNIA- Environmental Protection Agency PETE WILSON, Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD ENVIRONMENTAL HEALTH <br /> CENTRAL VALLEY REGION - <br /> 3443 Routier Road, Site A PEChiIT SERVICE A <br /> Sacramento, CA 95827-3098 9JpJUL 23 PM 2' Q8 '�°""""°• <br /> PHONE: (916) 255-3000 <br /> FAX: (916) 255-3015 <br /> 20 July 1993 <br /> Mr. Charles B. Kolesar <br /> Shell Oil Company <br /> P. O. Box 4848 <br /> 511 N. Brookhurst Street <br /> Anaheim, CA 92803 <br /> DEEP MONITORING WELL WORK PLAN, SHELL OIL COMPANY, STOCKTON FUEL <br /> TERMINAL, SAN JOAQUIN COUNTY <br /> I have reviewed Harding Lawson Associates' 12 July 1993 work plan for the deep monitoring well <br /> at your Stockton facility. <br /> The work plan proposes to install a well to monitor the next water-bearing unit beneath the first <br /> aquifer and evaluate the potential migration of fuel hydrocarbons through the ground water. I <br /> understand that the screen length will be based on lithologic data which will be obtained during well <br /> construction. Therefore, the 12 July 1993 work plan is hereby approved. I request that you inform <br /> me at least 48 hours prior to initiation of field work so that I may be present to observe. <br /> Please call me at (916) 255-3049 if you have any questions. <br /> PHILIPS ISORENA <br /> Associate Engineer <br /> PSI:psi <br /> cc: Mr. Harlin Knoll, San Joaquin Local Health Department, San Joaquin County <br /> Mr. Nick Pogoncheff, Harding Lawson Associates, Novato <br />