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RECE114ED <br /> !I DEC 14 1992 <br /> A E G1 S ENVI R O N M E N T A L , RNW NMENTAL HEALTH <br /> 1050 Melody Lane, Suite 160, Roseville, CA 95678 ♦ 916.782-2110 1916-969-21 IF X 916.766-7830 <br /> iM <br /> l <br /> December 9, 1992 <br /> Mr. Harlin Knoll <br /> i <br />— _ _-z--­ San-Joaquin--County-Public-Health:;rServicers <br /> Environmental Health Division <br /> Post Office Box 2009 <br /> Stockton, California 95201 <br /> i <br /> Subject: Shell Service Station (WIC No. 204-7884-0901) <br /> 3725 Tracy Boulevard, Tracy, California <br /> Dear Mr. Knoll: <br /> This letter is intended to satisfy quarterly reporting requirements for the subject site. <br /> Monitoring and sampling was not conducted at the site during the third q "arter of 1992. <br /> In a letter to the San Joaquin County Environmental Health Services (SJCEHS), dated <br /> June 25, 1992, Aegis Environmental, Inc. (Aegis), requested the monitoring frequency at <br /> the site be reduced to annual. Accordingly, Aegis intends to perform' groundwater <br /> monitoring and sampling at the site in February 1993; 1 year from the last monitoring <br /> event. <br /> I <br /> _We__appreciate the.interest of the_SJCEHS�in.the siteandtrust this letter meets your <br /> � <br /> needs. <br /> I <br /> Sincerely, <br /> i <br /> s <br /> David L. Poulsen <br /> Project Geologist <br /> DLP/law <br /> cc: D. Kirk, Shell Oil Company <br /> E. Thayer, Central Valley Regional Water Quality Control Board <br /> I <br /> 90-089C.LTR <br /> GEOLOGISTS - ENGINEERS - GROUNDWATER SCIENTISTS <br />