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Quarterly Monitoring July 2ool and Sensitive Receptor Survey Report Canepa's Car'Wash(Pacille Avenue) Rage 2 Beginning in March 1993, one sot) boring and a network of nine SVE wells were drilled the area of the fuel dispenser Islands Between September 1993 and March an SVE monitor wells (Mw_I through MW-8) were Installed In March 1994 and Installed in operated In the fall of 1996 it was determined that the SVE system was s 1994 eight groundwater ystem was Installed and system was terminated A second SVE syste 1999 m was later Installed and began operation on a#Ion of the March 15, Prior to granting approval of Installation of the new SVE system, the Underground Stora Fund (USTCF) indicated the need for additional investigation Condor subsequentlyge Tanl� Clean-Up installation and sampling of two soil boxings adjacent to the SVE well arra vapor screening using a Simul robesevicejr) conducted the high concentrations of volatile organic compounds were rel' vapor Collection mode The res included sail analytical results of the soil and groundwater samples Collectedeent I the vapor at the The results laboratory Report — Soil and Groundwater Investr acro during the investigation are presented continued from March 15, I999 until January 24, 2001n The system was shut down p S in > Operation of the SVE sysYerxi because the system efficiency was less than required by the operating permit on January 24 Condor has conducted quarterly groundwater monitoring activities at the site since August Of groundwater samples collected from the SVE wells (SV-I through SV-9) indicated 1996 Analyses quantified of benzene, toluene, ethyl benzene, and total xylenes (BTEX), total petroleum hydrocarbons quantified as gasolene(TPH-G), and methyl tertiary-butyl ether(MTBE have d that elevated the former location of the fuel dispenser Islands Y ons C pr se m the vicinity of Due to a directive from the USTCF, laboratory analysis of oxYgenatesladditeves by EPA Method 8260 was discontinued beginning with the October 1999 groundwater samples for gasoline groundwater monitoring event The USTCF indicated that analyses by EPA Method 826{} warranted based on historical groundwater laboratory analytical results Commencing w quarterly 1999 quarterlywas not oxygenates/add ges Is roundwater ed Mon itoring MTBE usenevent, EPA g itli the October laboratory analysis of groundwater samples for gasoline g Method 8024 or 8021 B In the Report — Soil and Groundwater Investigation, dated June 12, 1998, Condor recommended additional soil and groundwater Investigation to further characterize the extent of he site In a faxed document dated July 28, 199$ contamination at flee describing the recommended additional Investigation activities t es we fIneresponse to Mr 7� requested a work plan Condor submitted the Soil Boring and Monitor ?rl''ell Installation Werk plan dated November Rowe's request, describing proposed additional investigative activities Upon review of the 'work plan, Mr RI r l7, 199$, requested that the work plan be modified to Include deep aquifer characterization with a c penetrometer Condor prepared a letter dated May IS, 1999 providing a work lana we verbally the proposed additional deep aquifer soil and groundwater investigation one p addendum describing In a tetter to Mr Remo Canepa dated M Ly 4, 2001 Mi Jeffrey �Vong of the I'HSlEHD apro�ed the work plan dated November 17, 1998 and the work plan addendum provided by the Condorle May 18, 1999 In the May 4, 2001 letter, Mr Wong requested the following tier dated Submittal of a chap of the proposed boring locations and proposed monitor well 20, 2001 construction by May +rr 'Lop CONDOR