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I
<br /> 1 '
<br /> f
<br /> EAST MY
<br /> WAI,TRI,WHO
<br /> MUNICIPAL,UTILITY DISTRICT _ MANAMA OFWA9TW T R
<br /> M a nc h 5, -19.92 - F
<br /> Ms. -Diane- M-. ''Hinson, RENS -
<br /> �' En -ir.onmen_tal 'Health Division. `
<br /> San -Joaquin County, Public 'Health Services ,
<br /> P,.'0. Box 2009 ,..
<br /> ,. iYE ,
<br /> :�.
<br /> Stockton, CA' . '`952fl1
<br /> `MAR V 'x '1992
<br /> Dear Ms. Hinson: P. r n_� r
<br /> Re : ° EBMUD. Stockton' Center .-- -Site Code- -1.169 PL.hMIT S�.RV-11,�S �
<br /> . 1804 West Main:,Street .- Sto-ckton
<br /> - ' Attached .are.. the' ,r69ul_is of groundwater,monitoring- sampling done
<br /> on November 21 1993; for�MW 1 , . 2 & ' 3;'.and. o.n `December -12-13`;
<br /> 1991 , for MW 1. through- 7 .- m A196 attached; are. chain .•of custody-
<br /> documentation--sheets; : a site plan showing -the numbered 'well.
<br /> _ locations,:, and .a Summar of,. monitor n well,. : ur
<br /> y g. p ging'.and sampling
<br /> data
<br /> Samples `collected from IAW 1: contained detectable. levels-_of''Total
<br /> Petroleum, Hydrocarbons:s`(TPH) ,a-s`-gas-oli:ne. , Samples collected. from
<br /> MW-2; . MW-3., , MW-4 , MW-5 `. -MW-6=.and -MW-7 were. below_ detection for
<br /> TPH. betectable, levels. of Benzene:;, Toluene., -Ethyl-Benzene, . and
<br /> Xylenes were.-also :found in,.MW-1 : `
<br /> in February_ and March f991 ,, at`,,.he, direction-o.f" EBMLiD, Roy F,
<br /> _ Weston,. Inc. instalIed four; new monit.ori.ng wells; MW' 4 ; 5, '6-1.
<br /> 7 , - and .conducted additional-.; sampling° and:'-analysis from.-a:l1 seven -
<br /> Mon i to r-ing.
<br /> even -Monitoring. we11s`{"at Stockton. Center . A-'Probiem.Assessment :Report,
<br /> for the `District 's" Stockton Ce'nter:.,was submitted to you , in August
<br /> � 1991 and a copy sent to Gordon :Boggs of CVRWQCB in August' 19`91 .
<br /> Please provide your writteri, au;thorization •confirming our October'
<br /> 30 , 1991.'agreement..... ';A verbal author.ization� -to sample ..two- times
<br /> per year•, .for ' MW ;1-; 2 & 3 .and : once- a:'year for MW .:•4 ,` 5',',. .6 "& } 7 was
<br /> given .to me during._our ,:meeti'ng on October ` 3fl` 1991
<br /> If you -havean.y questions` regarding this ra ort, please contact
<br /> me at ..( 510') 287--1618 `s
<br /> Sincerely;-,
<br /> MOLL K. -ONG
<br /> Wastewater. Control .Repr:esentat:i_v_ e
<br /> Source-- Control Division MS702
<br /> MKO:mko -
<br /> ' w-Attiichments
<br /> F - _ -
<br /> c c: -Go rd'on .1;.- Boggs, CVRW,QCB -
<br /> P.O.BOX 24055. OAKLAND. CA 94623-1055..f6?01465-3700
<br /> BOARD OF DIRECTORS NANCYJ.NADEL KENNETH:H.SIMMONS.ANDREWCOHEN
<br /> -JOHN A.COLEMAN. STUART FLASHMAAI'.JOHN M.GIOIA KATHERINE WkENNEY - -
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