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CvvATC <br /> ASSOCIATES I NC <br /> SELF-MONITORING RESULTS <br /> From the date of its startup, December 20, 2002, through November 21, 2003, the groundwater <br /> treatment system had an average flowrate of 0 56 gallons per minute (gpm) and 806 gallons per <br /> day (gpd) and a total discharge of 216,591 gallons During the reporting period for November <br /> 2003, the groundwater treatment system had an average flowrate of 0 38 gpm and 544 gpd and a <br /> discharge of 15,254 gallons The LEL did not exceed 10% during the November 2003 <br /> monitoring period <br /> The final treated groundwater sample (Effluent) collected on November 21, 2003, contained no <br /> detectable concentrations of total petroleum hydrocarbons, TPHg, BTEX, MTBE, ETBE, TBA, <br /> TAME, DIPE, 1,2-DCA, or EDB The final treated groundwater sample (Effluent) collected on <br /> November 21, 2003 indicate that pH was within the required range Results of the monthly self- <br /> monitoring program are summarized m Table 1 and analytical data is attached <br /> If you require any additional information, please contact our office at (209) 579-2221 <br /> Respectfully submitted, <br /> • ATC Associates Inc <br /> Drew Van Allen <br /> Senior Project Manager <br /> Jeanne Homsey, P E � i c? <br /> ms .s <br /> CA Registered Civil Engineer No 47410 <br /> f A' 741 ;--a <br /> cc Mr and Mrs Raymond Farmer # r' --I-- <br /> Mr Jeff Wong, SCJEHD <br /> s 162596VcportslwaterdwchaW\11_03 dw 2 <br />