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ENVIRONMENTAL HEALTH DEPARTMENT <br /> y° �� SAN JOAQUIN COUNTY <br />' t Doom K Heran,RE H S ilrur SWperrcuort <br /> `° flr,ertr,. - 304 E.asL WeherAvenue.Tbtrd Floor Carl Bnronan,K E H S <br /> Al oti",R,E.Ii 5 Stockton,Cahfornia 95202-2708 Mike Huygms,R l=H S.R D I <br /> Douglas W Wilson.R E N S <br />' o o"' F7O�,►AA� Alld�t'T Telephone (209)468-3420 Margam i.a1pno R E H S <br /> °i�cak Laurie A.Colulla,!i-E H S <br /> Program Mana ter Fax (209)464-0138 Robes McCietlon,R E N S <br /> Mwk Ramclit'n R E H S <br />' EDWARD RALSTON Stogy#z--70mos-_1w, -v,—Ca <br /> CONOCOPHILLIP9 <br /> '16 BROADWAY <br /> Unit 4 %ZoS" O�'L {Alarlj <br /> SACPANENTO CA 95812 Dest:r w, Wao-Y.LLow AWaaJIFS. <br /> RE: Circle K Store#1205 SITE CODE 507198 <br />' 16470 Cambridge St RO# 0000138 <br /> Lathrop, CA , 95330 <br />' _WORK PLAN "Well Installation and Vertical Assessment" WtblaIN HWION BOK <br /> DATED September 7, 2004 #9 #4 Z <br /> PREPARED BY Secor-- Rusty Benkosky, P.E. <br /> STATUS. APPROVED (with conditions noted below) <br /> lie ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN FHSS <br /> 25296 10, subd(c)(3)1 <br /> • Install two (2), dual-hole, direct push soil borings offsite to <br /> approximately 70' bgs to determine the vertical extent of the MtBE <br /> groundwater petroleum plume and, <br /> a Install three (3)shallow, 24nch PVC groundwater monitoring wells <br /> offsite in areas of concern as determined by Geoprobe phase and, <br /> • Analyze push-point soil(at least three per holey and groundwater <br /> samples for TPH as gasoline, STEX, 1,243CA, EDB, Ethanol, MtBE and <br />' other Oxygenates by 82608 and lead by 6010 and, <br /> Submit report of findings to SJCEHD in the format of a Site Conceptual <br /> Model (SCM). <br />' [ COMMENTS AND NDITIONS <br /> Submit copies of City of Lathrop encroachment permits and SJCEHD <br />' well Installation permit applications and fees In a timely manner. <br /> REASONS FOR DISAPPROVAL OF THE WORK PLAN [H&S 25296 10, <br /> L- <br />' . none <br /> DATED September 27, 2004.BY � � <br />' Michael Infuma, Sento EHS (209)468-3464 <br /> (X] Faxed to consultant on 9-2Z004 <br />' C Amarltt Singh Hardev Kinda ETAL, 27000 S Leeward Way, Tracy 95304 <br /> I <br />