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o° J <br /> Advanced <br /> GeoEnvironm.ental, Inc . <br /> 01 rune 2001 <br /> ,�'E-kc Ploicct No 99-07 f0 <br /> Mx Ray Fticdiichseii <br /> Thnft-, Oil 4172 <br /> P O Box 2129 <br /> Santa I-(„ Sl:iiirigs, CA 9M70 <br /> Subje€.t SolL V AP+OR I GROUND w_xTI.a R EXTRACI ION START-UP <br /> Sampling and Analysis - Second Quarter 2001 <br /> THRIFTY Offer 4172 - 1 osco Site <br /> 7647 Pacific. Avenue Stockton, California <br /> Dear Mr 1-nediichsen <br /> At your i ccluest, 4dv anced Gto i3N ironmerita.l, inc has pi epared this update for the installation, <br /> start-yip and nioriiloiing of the ienl.ediation equipment at the above iefeienced Site The follawing <br /> is a sumntary of woik comploted to date <br /> • On 12 Aptil 2001, AGE conducted anoint-inspection with Ms Lisa Middelton of the San <br /> foaquin Valley An Poilution Contxol District and Mx Mille lnfuma of the San Toaquin <br /> Public Health Setvtc.es - Enviionmental Health Division foi start up inspection of Baker <br /> Fui n ace- soil vapoz extraction unit oil. the site Both agency were reps esented for the,start-up <br /> procedui es and samphrig As part of AGE's duties, one set of samples from the inlet soil <br /> vapor and exhaust vapor was collected and analyzed to demonstzate soil vapoz destriiction <br /> compliance The S vE unit was tested for approximately MID li.Qur" and then shut dowel. <br /> pending labaratoiy analysts of the soil vapor samples The APCD has received an initial <br /> report of peimit compliance, e g percent destruction, BTEX concentrations and flour rate <br /> The SVT_ anit was then re-started oil. 26 April 2001 <br /> • On 12 April 2001, AGE also detennined that the high limit level control thermocouple was <br /> malfi.trtetiontilg aii:d tcquested Mr Gary Baker to supply AGE with a replacement TC The <br /> operating temperatui e TC had failed approxiinately two-weeks prior and was then replace <br /> by AGE Please bc. aware of these ieplacornents under your Baker warranty <br /> • On 10 May 2001, Mr Mike Inftirna was agaii., present at the site, to obseive a soil-vapor <br /> saiilpling evtllt oil the site Every influent soil vapor well was sampled and ab water <br /> f <br /> i <br /> 837 5haA Road, SLockto[t, Catcfornsa 95215 <br /> Telephone (209) 467-1006 FAX(209) 467-1118 <br />