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Shell Oil Company <br /> 100 Howe Ave.,Suite 16ON <br /> 1 Sacramento,California 95825 <br /> "Telephone:[916)461r040 <br /> V `y <br /> November 1, 1988 <br /> Environmental Health Division <br /> Attn: Mr. Harlan Knoll 1 <br /> P. 0. Box 2009 <br /> Stockton, CA 95201 ! <br /> i <br /> Subject: Shell Service Station <br /> 420 W. Kettleman <br /> Lodi , California a <br /> I <br /> Dear Mr. Knoll : 1 <br /> On March 7, 1988 Hunter Environmental Services, Inc. performed a full <br /> system leak locator test at the subject service station. <br /> At the start of the test, it was immediately determined that the SU2000 <br /> and the RU 2000 products had a possible leak. Further testing determined <br /> that the leaks were in the vent or vapor pipe l.ines;land that the product <br /> pipe and tanks were tight. <br /> Triangle, Inc. of Sacramento was then called in toi! locate the possible <br /> leak location and to make necessary repairs. It was determined that the <br /> leaks were loose caps at the former tank gauging 1ocation. These caps <br /> were removed and plugged. There was also a � tank: vent pipe that had 1 <br /> reverse slope, causing a product trap. Thts was corrected and the <br /> systems prepared for a retest. <br /> ; l <br /> The re-test was performed by Hunter Environmental Services, Inc. on April <br /> 12, 1988 and all systems checked tight. <br /> i <br /> The amount of contamination was noted to be negligible as the testing <br /> company lost less than one-half gallon of product ;;when the leaks were ! <br /> discovered. <br /> If you have any further questions, please do not hesitate to call Mr. H. <br /> J. Russell at (916) 481-0400. t <br /> Very Y trul k <br /> Yours, <br /> i <br /> j <br /> D. L. Robinson =j <br /> Sr. District Engineer <br /> ;i <br /> PND0412/8830602/eng4 <br /> i <br /> i jj <br />