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03/27/02 WED 13 39 FAX 19168882353 <br /> GRdi,TNDV9ATER <br /> dnOS Prin Lb,ri,Lo H3,­1)1k0 <br /> Goncofd C49452011 0 <br /> Tel 925 288 9,898 <br /> fax 425 '80, <br /> the <br /> '*a, <br /> A tideml}er r1 Tl1r 17 C,raup <br /> (W1111 <br /> October 4,2001 <br /> Mr Bob DeNinnf <br /> 7-Eleven,Inc <br /> 3130 S Owyhee Street ^ <br /> Some,JO 83706 <br /> Subject This d Quarter 2%01 Monrtonng and Sampling Report la Hit Pre-Closure Sampling �fWa plan <br /> 7-E even Store No 17647 <br /> 106 8 West Yosemite Avenue <br /> Ma rteca, California <br /> ITt:orporation Project 781721 <br /> Dear Mr DeNir no <br /> This Third Qua ter 2001 Monitoring and sampling Report preseiht,the results of monitoring and sampling <br /> activities parfoi coed by IT Corporation at the subject site fturer,�, and 2.Attachment 1)on June 27,2401 A <br /> summary of aclrvities conducted during this repor4rig penod is pi 'vided below <br /> • Depi h to water(DTVV)was gauged in three site-relate- groundwater monitoring wells <br /> • Groi indwater samples were collected from the three) 3nitonng wells and submitted to a <br /> CeIrornia-certified laboratory for analysis of benzene, oluene,ethylbenzene and total xylenes <br /> (STI:X),total petroleum hydrocarbons-as-gasoline (1' H-G),the oxygenates methyl-ter#-butyl-ether <br /> (MT3IE),Cert-butanol(TBA),di"Isopropyl other(01PE), thyl-tert butyl ether(ETBE),and tort- <br /> am) <br /> 'ertami Imethyl ether(TAME) <br /> A September 26,2001 conversation with Mr Harlin Knoll of this San Joaquin County Environmental Health <br /> Department(SJCEHO) Indicated that no further action (requer Id Initially in March,2001)would be reviewed <br /> after complel Ion of <br /> Sampling of all groundwater mondonng wells at he site for 1,2-dichloroothane(1,2-OCA)and <br /> ethylene dibromrde (EDS) <br /> Collection of selected soil samples and at least me grab groundwater sample downgmdient of <br /> the existing well configuration to complete pian s delineation,results to be submitted with a <br /> residual mass calculation <br /> I <br /> The foregoiiig data is proposed to be collected during the fOUrlh quarter 2001,and the site submitted for final <br /> fl, closure rewr w. This document contains a workplan for the ra;erenced activities There are no acme fueling <br /> raid#es at I his Iocatton <br /> I ` <br /> gill, r l 1 I <br /> I, <br />