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<br /> of Northern C'Ihforiitn
<br />' , :,' 1. I ' .. 1 • .. � 1 r'yYr h. f S. , tz f ,; er`!.,,
<br /> 10 May, 1997
<br />' I AGE-NC Project No. 96-0232,'
<br /> y Mr Mike Infurna 4
<br /> San�oaquin,County'Public Health Services Environmental-Health Division
<br /> ' 364 Easf:Web er Avenue r ;
<br /> Stockton;;CA`95202
<br /> Subject: ' ° Flag City. Chevron;6421 Capital lt' venue(6421•Paddock Place), Lodi, California
<br /> Dear Mrs Interna:
<br /> °In'accordance with:,our phs✓ne conersation on 07,May 1,997, addittonal�'groLznd ,�vater'data evas
<br /> Hfrom`the above referenced site on 09 May 1997; Ground water samples were.colledted frois
<br /> wells MW=1', MW 2;AIW-4 as well'as &i6, domestic watef well located at Rocky's Restaurant
<br /> • . 14659 North Thornton Road and'submitted to a.state,certifiedelaboiatory.fca .atii lysis,of'total _
<br /> ( 3, =.i.
<br /> petroleum hydrocarbons quantified`,,as ga��Iitle and dzeself .(TPH�-g and TPH-d}; vilatile.,aromatics - :- , i
<br /> (benaene;'tolLieiie;'ethylbenzene and xyIeiies: B 'EX and methyl tertiary butyl ether(It 1TSE): The
<br />•:- rued"in Table 1 -_4ticrl tical Re.+ulfs -
<br /> results of the ground water monitoring.well samples dire summa 1
<br /> of'Grnalnd Water Samples: The results of they grouiiil.water samples collected at the domestic:well
<br /> ' are.'summafized in" Table 2 - Analytical Results of;DottiestTc'•Water WeII San iples: 'Copies 'oi
<br /> "t Iaooratory reports and chroi"iatograms are also endo ed-fof y our_r
<br /> lab
<br /> Furthermore, ground inonitoring;data was collected at the site, upon which aground F,�l�:tcr
<br /> d
<br /> gradieiltimap was generated. The;,gradient%i ap indicated.that.ground water flow`direction wasl
<br /> to�nards,th6 north :�A-gro' -u' water gradielif'map,is-ihcli ded'for yourreview (Figure 1 -.Relative: i'
<br /> Groulut•WateGround .vater`inOnitorin;,data is summarized n Table 3 Relative
<br /> r vations
<br /> G round Water Ere
<br /> f I i '1' s
<br /> h; r I±.lias.been Brought triur`atteiition fhat'fhe Closure-Sutimary Repoit(dated'30'Apri1 1997) contains
<br /> errors dn"Table 6 '-Analytic�xl 1Zesiilts of Dorl &tic Water. Weh Sainple withM th6'rei,orting limits
<br /> associated:with BTEX'and MTBE.;The limits--' , ,,,
<br /> stated the reportirig.lzlnits:at 0.,005A uglll
<br /> wlie•'n in fact the4repQi:tin9 limits were actually 0.'501.0..,Revised:Table 6 iS also enclosed for your
<br /> i e at 2
<br /> 0
<br /> inf rizi ti n' lease',coiitact our oiTc
<br /> , If you should•have any questions.or require further, ry o a o , p,•. ,. .�
<br /> 956:-0264 - ;; a•,
<br />••�� 1. .. _ i' II \ ,. „r : u =t ,. • ". •I -� I,'I �_ '� ,,Ile•. t i r' - Ip. � � .4
<br /> Iii, . IIA I {. }. w - •" 1. ` ,r.i 3 _
<br /> '1803'West,Mar"ch Lane,Suite?►,'Stockton;California 95207 ?
<br /> i l '' Telephone(209)956 0264 r~FAX(209)956-0700 ��,
<br />
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