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— � Z � <br /> F 3 <br /> d <br /> Avanced <br /> zt' <br /> GeoEnvlronmen_tal, Inc <br /> . = ,,i_f -.v•.� FirsS� � .s-mac <br /> - _ s " - - i• <br /> 2 rte— <br /> :X,7 k•., a = - -;9 - - ii <br /> 01 September 2004r <br /> ' -AGE-NC.Project No. 99 06457 <br /> _ t <br /> _ t• a '^"�...E` '� _ _ 'c, fix: _- .,x' ,-zc -� r ■ i <br /> Ms Margaret Lagona - <br /> ` - <br /> - � -- - -- - -:- - � -- .;'- :�'�r, - - -max._ r� -_:1•s'^x <br /> San Joaquin County:Environmental Health Departix�ent 3 ` <br /> - _ - J <br /> _ .. y S E P 4-22004. . . x� <br /> _ 304E Weber Avenue,;Third floor' = r �" <br /> rStockton;'Califorrila'•952Q2 " _ g - pVII( {4 <br /> ��pD3V��11:I HEALTH: <br /> [` ('l I 11' J.9+' <br /> Subject: 'Soil Remediation -System Design', <br /> LINDEN MARKET,CARDLOCK _ - =; <br /> s. s �+ 7 _ <br /> Tormer MEL BOKIDES PETROLEUM -LINDENdt <br /> 7- <br /> .1f ::r a <br /> $- 8203 East Highway 26, Stockton, CaLfornia �4 <br /> - k l <br /> j <br /> car Ms_ LW <br /> Lagono x � � ,, � - it <br /> 4. <br /> —� <br /> Oar. x <br /> t- the-request-_of Mr 'NYck'Bokides o£Mel Bokides Petr'oleumy Advanced GeoEnvironinental;` _ <br /> _ 'c (AGE)has'prepared a soil vapor e_)aiktion system design p ail for.. property loc44at.8203 <br /> East"Highway 26;:Stockton, Crn <br /> alifoia, The plan de-tails,ih-e design of a soil vapor ext, <br /> _ remediation system for the-petroleum hydrocarbon impacts to soilat-the site,Tn".September 2003 soil; <br /> vapor extraction(S VE)wells were installed-at.the site ,.Well V W 1 B was-installed under the building:z <br /> at ahe'site fron%l 5 feet 1-40 feet-below surface garde{bsg),_UW2 was nstalled east of'the"former`` <br /> . <br /> -UST area release area from 15 feet to 40-feet bsg,VW3 was hi tallcd at well M 3a screened from 3 : <br /> j: m20 feet to_50 feet.bsg'with"a filter:pack installedfrom 18 feetto 60 feetbsg;;and VW1Awas installed <br /> east ofthe forayer UST.ared'''screened from-40 feet to 70:feet bsg Bases ori separated SVE fear bilit T <br /> _.. Y <br /> rfests,AGE determined the use ofvapor-_wells VW1'B would.produce_adequate a soil vapor capture <br /> M� <br /> <, ,F _ <br /> to rnitigate the adsorbed hydrocarbons at'the site,while use oremammg:wells have demonstrated=" <br /> - - _. r« <br /> a counter productive results 'may - � <br /> ..Due to the lack of three phase power availability atthe srte,.-low,soil containiriationlmass;predicted - <br /> mimmalaystem operation'duration (six=months) andahe limited space.:available at the site;AGE'.' <br /> proposes the use ofa compact vacuum extraction unit-blower and aboh adsorption to mitigate the <br /> site AGEproposes installation of SVE systerncomprised of l 00 standard cubic feet/minute(SCFM) . <br /> n blower-and,a,total.of:four 300 lbs carbons vessels m"senes-A`dedicated extraction well connection�-w r <br /> swill be made-with PVC -tubing �In_order to ii�aximize the efficiency of the'x eari up effort, a=. . <br /> 24=hour/day operation of the system is planned-Atypical adsorption rate of greater than 695%-of <br /> c h drocarbon`va ois¢is ex ected throe Bout the entire cleariu ='duration-After the�mitial=s"tart-u - -. <br /> Y ... P 1? g � p , pt <br /> period, monthly vapor influent slid effliaent�conceritrations and operatiorial.;paraineters'will bey <br /> rnonjtored on a weekly basis io ensure optimal-destruction ofrecovered hydroearbon vapors and to <br /> -niomtor cleanup progress, as proposed in the-Interim Soil Reinediatiori"Work Plan-- dated 10 June <br /> 2002 and prepared by AGE , _ _ i - 4? <br /> 837 Shaw Road Stockton,California 95215 _ W <br /> - _ �, �� Telephone{209)-467 1006 FAX{209)467 11,18 T� t _zr = ; <br /> 2 a <br /> } - c-.� =a+- s� r`�-,z-x a- <br /> '_�z:�.:a- - �?'i-•t�.was-- v � t _;�"' y '�' , '.a,-: +t a �S 1 _ §-. }--T`,w�.t au,.= <br />