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y <br /> ®� a1NG. SACRAMENTO <br /> r <br /> April 10, 19$9 <br /> E <br /> Ms, Diane Hinson i fi <br /> San Joaquin Local Health District <br /> 1501 East Hazelton Avenue 3 <br /> Stockton, California 95205 <br /> Reference: Amendments to the Site Assessment Work Plan for 2400 <br /> Airport Way, Stockton, California; Versar Job <br /> No. 6147.323 <br /> Dear Ms, Hinson: <br /> The purpose of this letter is to confirm our conversation of April <br /> 4, 1989. As I stated, we have received the letter from Mr. Jogi Khanna, <br /> M.D. , M.P.H, and Mr. Ron Valincti , Director, Environmental Health <br /> Division, San Joaquin Local Health district (SJLHD) , 'dated March 27, <br /> 1989. Their letter addressed our work plan to conduct subsurface soil <br /> sampling as part of an property assessment at 2400 Airport Way in <br /> Stockton, the purpose of which was to satisfy alllendeer's requirement. <br /> They found the work plan inadequate because it did not meet the <br /> requirements of a LUFT investigation. You stated that the SJLHD was <br /> requiring a LUFT investigation because the Health District believed that <br /> the tanks were removed 10-24-85, based on Stockton Fire Department <br /> records. As I indicated, the date "1024-85" entered in the Stockton <br /> Fire Department records does not represent the date of the tanks <br /> removal . It has been reported to Versar that the date "10-24-85" is <br /> the date that a Fire Department representative entered information in to <br /> the file as part of the Fire Department's efforts to°determine if the <br /> tanks had ever been removed. A previous owner of the property indicated <br /> that the tanks had been removed at the time of the service station <br /> closure, which was in 1977. However, as statedl`in our work plan, no <br /> formal documentation or plans are available to prove that the tanks have <br /> been removed. <br /> As we agreed, because of the type of investigation we will be <br /> undertaking as well as the best known date of ttie tanks removal , Versar <br /> is not required to address the other points in Mr. Khanna's and Mr. <br /> Valinoti 's letter except for No. 's 1, 6, and 8, .which are addressed <br /> below. f <br /> 1. As stated above, the tanks were reportedly removed in 1977; and <br /> Fire Department records reflect an effort in, 1985 to update <br /> information regarding the tanks. <br /> a <br /> i <br /> s <br /> i <br />