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J <br /> 19 X956 <br /> -- FElfj1RC)MENTAL HEALTH <br /> TECHNOLOGY, <br /> FERPAITAERV�ULS <br /> F11:11:_l INC. 1512T6butcRoad.Suite C.Sacrawnta.Califnrnia95F15 <br /> September 13, 19$$ 191flsE:l•1![Hl <br /> Project Number 202/029000-080 <br /> Mr. Jogi Khanna <br /> District Health Officer <br /> San Joaquin Local Health <br /> District <br /> 1601 East Hazelton Avenue <br /> Stockton, CA 95205 <br /> RE: ISC WINERY <br /> 1 WEST TURNER ROAD <br /> LODI, CALIFORNIA <br /> Dear Mr. Khanna: <br /> Groundwater Technology, Inc. (GTI) is presenting this letter in <br /> response to your request for clarification of several points <br /> noted during your review of the assessment report for the above <br /> referenced site. The report is entitled "Assessment Report, Sub-- <br /> surface Hydrocarbon Investigation, The Beverage Source, Inc. , ISC <br /> Winery, 1 West Turner Road,- Lodi, California" and is dated May <br /> 25, 1988. In the following paragraphs, GTI will address all the <br /> points noted in your letter to Mr. Scott Stoner of The Beverage <br /> Source, dated August 2, 1988. <br /> A question was raised regarding the field screening procedures <br /> used during the drilling operations at the site. GTI used a <br /> Photovac TIP photo-ionization detector (PID) utilizing a 10.2 <br /> electron volt ionization source to field screen all soil samples. <br /> GTI neglected to include the results of the field screening <br /> process within the assessment report. This oversight may be <br /> explained by the fact that all soil samples yielded non-de- <br /> tectable readings. :revised drill logs have been enclosed with <br /> this letter which include the PID readings (Attachment I) . <br /> A question was raised .regarding diesel odor noted in MW-1. The <br /> odor was not noted in Sample F as stated in your letter, but in <br /> the cuttings between Samples F and G. Subsequently, Sample G was <br /> -- - -- - --- -submitted-for--laboratory-analysis-and-was -found-ta <br /> Offic s lhr aghnur rho t:S..Canada and Owseas <br />