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E <br /> Letter to Ms. Letitia Resch <br /> February 7, 1989 <br /> f.. Page 3 <br /> Versar will also use a Xitech hammer/vadose ;"zoneP robe to conduct a <br /> soil vapor survey at approximately 12 locations ';throughout the site in <br /> order to helpdetermine if an volatile y a ale or anic ''com compounds are resent. <br /> 9 P p <br /> The soil vapor probe will be inserted into the subsurface to a depth of <br /> approximately 1Y 15 feet at each location. Soil va ors wi17 <br /> be withdrawn '7 <br /> and analyzed with the OVA meter at depths of 11 �feet and 15 feet below <br /> surface level . <br /> At this time, we would like to reiterate that there is no known or <br /> suspected soil contamination at the subject site; however, we are <br /> submitting this information as required for sotiil contamination <br /> investigation work plan (Option 2);, as per Versar's telephone <br /> conversation with you on January 30, 1989. Attachment III is the <br /> Environmental Health Permit/Services Application, which is the only <br /> permit application Versar received in the packet, you sent. We are <br /> enclosing a check for $35.00, as required in No:' 3 of your general <br /> instructions. There are no wells located withiri 1,000 feet of the site. <br /> The drilling services will be performed by Spectrum Drilling of <br /> Stockton, California (License No. C57-177681) . <br /> Because there is no known or suspected contamination at the site <br /> (i .e. , this is not a leaking underground storage' tank site) , and because <br /> the development of the site is delayed until the results of the PTA <br /> sampling are available, we would appreciate your timely response to this <br /> work plan. Versar is planning to drill the three boreholes <br /> on February <br /> 22, 1989. <br /> If you have any questions regarding this matter, please' do not <br /> hesitate to call me at (916) 962-1612. - <br /> Very <br /> 62-1612. .Very truly yours, <br />{ <br /> larence 'Johnson <br /> Senior Geohydrologist <br /> R.P.G. No'. 4195 <br /> f <br /> cc: Uly Williams <br /> F <br /> I <br />