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i )--0-26-1996 t _24FIK FROM � � P, 2 <br /> f <br /> W -. <br /> oIIEFA (91'6) 323-3372 <br /> October 10,`4996 PdCCWibsrrs' <br /> Deparhmniof <br /> Toxic sribxtm:crs ,f t"roKer�vr <br />� Carttmt `!` <br /> Mr._ Mike Ihfuz`na � <br /> 5 James M Smxk <br /> Environmental Health Division , Stcnwry�rsr <br /> dotth4P Street, San Joaquin County i <br /> BOX P-0. BEnvimn»rrr:u:f <br /> F BOX 3 04 E. Weber Avenue, 'Third. Floor1 Pmreczio�t <br /> $06 <br /> Sacrrsmentt�, CAp•�. Eoxc las <br /> s` <br /> sa x- sr�6 5to�kton, California 95261-0388 <br /> 1 • <br /> XONITOIUNG'WELLS• AT TEE FCiXI-MR T,ZX&W STV= <br /> STATIOX LOCATED AT 305 S. MITCHM STRZ,' OD1. <br /> bear 1+r. Infurna f <br /> letter concerns the issue on whether the :San <br /> Joaqu ri, County ;Environmental. Health division tcounty? <br /> 44i�l.d. make a determination of "no f lrther action <br /> required" for the former Texaco Service Station located <br /> at 305 Sauth Hutchins Street, Lodi (Site;) . The <br /> epart�+anof <br /> t ' . Toxic <br /> 'nSubstances Contr6l (DISC) believes <br /> :that. the 'ono fuxther Action" dete';rmi6ati.on should not. <br /> be made fcsr the reasons described •below. <br /> The Sate has :been investigated for,the petroleum <br /> :contamination found in soils and grcundwater,beneath <br /> the Site sinae 1991:. give shallow gr undwat+�r <br /> I <br /> monitoring wells have been installed o=Otod- <br /> for <br /> off <br /> r the Sita and g:roundroarter samples have been analyses ooh limited volatile orgkni.c ce�t»pc�nds <br /> {VQGs) testa], pgtro l'e um hydrocarbons,'j benzen+ toulene,. <br /> trichloroethene (TCE) C etrachl.oroetl 3enec PCE) If {ndA� <br /> 40041benz ohne, i6y +eae s, 1 2-d,i c <br /> 3.: 2_d7�>rhloroethene (ECCE} ., Copies o f*the (PCE) , and <br /> p �the-groundwater • <br /> quality data colltcte! ;from July 1.99;2 thr0u�gh a0ly 199:6 <br /> were Sent. to DTSC for revioev and evaluat o~an bX <br /> Mr. James. Sratvde of the Central valley RosgioX3F3 <br /> water Quality Control. on October 2, 9961 <br /> . <br /> Upoh :xewiew and evaluation of t 11 ei dwater <br /> dAta... E3T9C has determined that the -S. to may be a SOUrce <br /> for the DCA detected in the: groundwater. Elevated <br /> levels Of DCA as high as 86 micrograin per liter (ug/1) <br /> we're detected in the monitoring well1j] (MW#1) located. in. <br /> the southwest cornerof the Site'. E�levateci levels of <br /> r DCA :as high as 41 ug/1 were detected in.' an upga adieu:t <br /> t weld. (MW##5) located to the north of 'Site. The <br /> monitoring well tMW#3) located betweken Mw.##1 and s o S! .. <br /> . was found to contain a. DCA value as high asi 32 <br /> The 'grounndwater data indicates that ..past operations <br /> QCTII19ro . <br /> i <br />