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Woodward <br /> Consultants - _ <br /> Engineering a sciences applied to the earth a its environment <br /> : <br /> Jill fie 1992 7RE <br /> VE <br /> Project No 91CO23$B. ` <br /> _ . � JU:N V`7 1992:.: - - <br /> ENVIRONMENTAL HEALTH <br /> I PER�A'IT%SERVIC S <br /> Linda Turkatte <br /> Environmental'H- ealth i S ecialist <br /> SanJoaquin County Public HealthServices:(SJCPHS) <br /> 445 North San Joaquin Street' - <br /> P.O.:-Box-2009- = <br /> Stockton; California ,:95432 <br /> - <br /> 111 I S. IITTAL OF,QUARTERLY.MONITORING REPORT.AND <br /> REQUEST FOR BACKFILL APPROVAL <br /> MAJOR.MART=1235_EAST.ALPINE.AVEN UE' <br /> STOCKTON, CALIFORNIA <br /> Dear 1VIs:`Turkatte: <br /> -Transmitted wrth.this letter is a copy of`the Quarterly Monitoring Report for:.the quarter; <br /> . _ <br /> ending March 1992 describing_ ,__e activities (quarterly groundwater°_sampling -and_ soil <br /> sampling)`at the'above site: The submittal 7of this report satisfies SJCPHS-request iii:-a-letter <br /> dated November:12, 1991 for American Reah Estate=Group (AREG) to submit_quarterly <br /> - - - <br /> monitoring reports to-SJCPHS and Regional 'Water Quality Control Board (RWQCB). <br /> in_addition:, we are requesting far art_approval to.backfill .open. en tank excavation with the <br /> _. <br /> I soil stockpiled ori szte.:..Please review .the analytical data for total::I and soluble Lead-fvr <br /> the soil and groundwater samples collected at the site-as presented in Tables l and 2 of the <br /> enclosed'Quarterly Monitoring Report. The total lead concentration in the.soil samples'; <br /> collected in the tank excavation andahe stockpile was-less than,-or 25.mglkg. The; <br /> soluble lead concentration in,the soil samples collected in the tank-excavation was less=than. <br /> or equal to 1 4 mgll The 'total lead concentration tri the groundwater wase below ,the <br /> ii . <br /> detection imit'of the-anaNsis`(<O.05:mg/l). <br /> A proposed remediation plan=is presented in the enclosed--Quarterly Groundwater Report <br /> (Section 4:2) to cleanup the petroleum,hydrocarbon contamination de_tected°in the soil and <br /> groundwater lease::review the proposed remediation plait <br /> :P <br /> 4fy <br /> 113,370 Old Placerville Rd,Suite 104' • Sacram2nto,.CA 95827-2505 (916)368-0988 Fax:(9b6)368-0967- <br /> . .. ... _ _ _ <br />