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EXCELTECH <br /> 41674 CHRISTY STREET FREMONT, CA 94538 <br /> PHONE (415) 659-0404 CONTR. LIC. NO, 464324;= <br /> November 20, 1987 <br /> 1987 <br /> Mr, Larry Hardison <br /> Stockton Service Station ENvwomENTAL HEALTH <br /> Equipment Company, Inc. PERMIT/SERVIM <br /> P.O. Box 508 <br /> Stockton , CA 952^01 <br /> Re: Change in Scope, Ruiz Grocery Store - <br /> Soil Sampling, Exceltech Job No. 1619G <br /> Dear Mr. Hardison: <br /> Donna Heran at . the San Joaquin ` Local Health District has contacted <br /> me concerning soil sampling at 4491 West Durham Ferry Road in Tracy. <br /> The Health District has requested that two soil samples; be analyzed <br /> --one from the ; level of the tank bottom and another from directly <br /> beneath the tank. Also, if free. water is encountered in the boring , <br /> the Health District would like to have a water sample tanalyzed as <br /> well as a soil.{ sample from directly above the saturated zone . In <br /> this event , we will temporarily case the well with PVC pipe to collect <br /> the water sample . <br /> We propose to perform the work "with the aforementioned. changes for <br /> a fixed fee of Ms . Heran has indicated to me that , with . <br /> these changes , the proposal is acceptable to her. We will schedule <br /> a drilling date" as soon as we `have final Health District approval <br /> for the work. <br /> If you have any questions , please call . <br /> Sincerely, <br /> Exceltech , Inc . <br /> Stephen Costello " <br /> Staff Geologist <br /> SC/vm <br /> CC: Donna Heran ; San Joaquin Local Health District <br />