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Shell Oil Company <br />August 17, 1987 <br />Environmental Health Division <br />San Joaquin Local Health District <br />1601 East Hazelton Avenue <br />P.O. Box 2009 <br />Stockson, CA 95201 <br />Subject: 3515 Navy Drive - Stockton Plant <br />Attention Mr. Harlin D. Knoll, Sanitarian <br />Gentlemen: <br />P.O. Box 4848 <br />511 N. Brookhurst Street <br />Anaheim, California 92803 <br />2 r X087 <br />ENVIR0NIENTAL HEALTH <br />FERMIT/SERVICES <br />We refer to our recent conversations with Mr. Harlin D. Knoll concerning <br />groundwater contamination and our installed continuous recovery system. <br />On July 10, 1986, we reported to you that we had recovered 1,700 gallons <br />of hydrocarbon and today the total is approximately 3,200 gallons. Re- <br />covery is now slow which supports our estimated release of 5,000 gallons <br />in our letter to your of April 29, 1986. Between now and the end of the <br />year, we will carefully plot the recovery rate to see what more can be <br />done, if anything, to recover the remaining product. <br />The groundwater pumped to recover the hydrocarbon varies from 4,000 - <br />8,000 gallons per day and we currently transport it to our Martinez <br />Refinery for handling and disposal. We are, however, negotiating with <br />the City of Stockton with a view to making a connection into their <br />sewer for disposal to their plant. <br />We hired Harding Lawson Associates to sample and analyze the level of <br />water contamination and we forward their report for your records together <br />with a copy of the well layout plan. <br />We would appreciate, by copy of this letter to the RWQCB, the Board's <br />position regarding the required level of cleanliness which will permit <br />our returning the water back into the adjacent delta waterway. <br />Please call me at 1-800-447-4355, Ext. 586, if you have any questions. <br />Ver truly yours, <br />R, ack <br />Health, Safety & Environmental Manager <br />ern Distribution Area <br />MJ8722903 <br />