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_ 4- j ,rv� „'r. v e- � - w - .. A -- '• F _ _ __ .. � - -, � a _x- s <br /> e SMT <br /> .� X� `' w �4 W }•_ k-�W"v ' u c3/. r �c� _r ,s a r T . <br /> _n <br /> rt y <br /> .tt <br /> W analytical results are{summanzed in `Table 2 Laboratory,data with chain of'custody y._ <br /> y . a - <br /> documentation are 'included as.Attachment 2. <br /> ADDITIONAL WORK <br /> w Approximately_ 1.00-cubic yards.:of remediate& soil :and construction'debris_was:removed-and. _ <br /> transported-for disposal during.June:1995-.yA Fportion of-the-newly installed:asphalt pavement. ry <br /> was also removed and additional-soil-"placed,to repair subsidence due.to poor compaction-along <br /> -the eastern edge of.the�former excavation in-the vicinity ofeformer,well MW <br /> Y, Anal- altresults for .groundwater samples collected from well-MW1R=located immediately <br /> ;. _ _.. <br /> " -downgradient from M. former-excavation:indicate the following: <br /> ' o . Concentrations of benzene, toluene,-ethylbenzene; and xylenes have been-nondetectable' <br /> =.y y <br /> or below:their respective maximum concentration levels'in January and June`1995. <br /> 17 <br /> o y-Concentrations of TPHd:were n_ondetectable_in January and'June.199.5: <br /> s o Concentrations of TPH are low and results indicate a stead , decreasing trend.:due to <br /> - g. _Y _ .. r <br /> ' .the.,reinoval..-of--the source of:petroleum' 'hydrocarbons in groundwater. an natural <br /> F _ biodegradation: .;. A - _-. <br /> x Based 'on .khese results, Smith:Environmental recommends .thatno further investigation;: t <br /> w = remedial.action, or, monitoring with regard to-the-former-underground "storage-tank, be T <br /> _ r �__requlred. <br /> if you;hd eany,questions or-comments'regarding_this matter'please call our office: <br /> T -;Very Truly Yours,: ,m y <br /> Smith Environmental Technologies Corporation <br /> w : <br /> "s <br /> ".-Jeannem <br /> :Hosey,-P.E <br /> k <br /> .� CAJRegistered Civil-Engineer,No:-:C47410f ly ;� <br /> C. r µ <br /> AttachmentsY <br /> cc McAllister Trust - <br /> ,.CRWQCB <br /> ,r <br /> isoosvMns1oss.1a - - -2 <br /> sf:. <br />