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• MAR 1 6 2006 Condor Earth Technologies, Inc. <br /> ENVIRONMENT HEALTH 21663 Brian Lane,Sonora,CA 95370 (209)532-0361 <br /> 188 Frank West Circle,Suite 1, Stockton, CA 95206(209)234-0518 <br /> Marek 10, 2006 Condor Project No 1707C <br /> MONTHLY TREATED WATER DISCHARGE SELF-MONITORING REPORT <br /> FEBRUARY 2006 <br /> CANEPA'S CARWASH, 6230 PACIFIC AVE , STOCKTON, CALIFORNIA <br /> FEBRUARY 2006 DISCHARGE SAMPLING <br /> This is a report of the results of discharge sampling and monitoring events conducted by Condor Earth <br /> Technologies, Inc (Condor) on February 24, 2006, at the Canepa's Car Wash (Site) The equipment <br /> began operation and discharge on November 1, 2004 The total daily flow discharged to the sewer dunng <br /> the February 2006 monitoring period is calculated and shown in Table 1, below Report attachment <br /> includes historic flow and lower explosive limit field parameters since the beginning of remediation <br /> operation (Attachment A) and laboratory analytical reports for the February sampling event (Attachment <br /> B) <br /> The final discharge point was sampled at the above-referenced Site to evaluate treated water quality being <br /> discharged to the sanitary sewer system after treatment through an atr-stripper/activated carbon series <br /> Laboratory analytical results from the treated groundwater sample will be used to monitor and verify <br /> groundwater discharge quality and operational efficiency of the treatment equipment <br /> OPERATIONAL PARAMETERS <br /> Table 1 Flow and Lower Explosive Linut Field Parameters <br /> Temp Pg Total Flow Total Flow Rate of Flow %LEL LEL <br /> Date Time oC (gallons to (gallons this (daily gallons <br /> ( ) (field) (hexane) (10 <br /> date) month) average) "/o exceeded) <br /> 2128/06 1900 NM 7 7 1,668,395 132,897 4,746 2 2 None <br /> °C=degrees Centigrade NMµNot Measured <br /> LABORATORY ANALYTICAL RESULTS <br /> A treated water sample collected from the final discharge point was delivered under chain-of-custody to <br /> Argon Laboratories, of Ceres, California (Argon) The sample was analyzed for pH, Oil and Grease, <br /> Benzene, Toluene, Ethyl-benzene, Xylene (BTEX), Methyl-t-Butyl Ether (MTBE), Di-Isopropyl Ether <br /> (DIPE), Ethyl-t-Butyl Ether (ETBE), t-Amyl Methyl Ether (TAME), and t-Butyl Alcohol (TBA) The <br /> laboratory tests showed the results as not detected for all of the compounds for the fifth consecutive <br /> monthly sampling event The treated water final discharge laboratory analytical methods, results, <br /> reporting limits and discharge limits are presented in Table 2, on the following page Laboratory <br /> certificates of analysis and the chain-of-custody record are included in Attachment A <br /> is CONDOR <br />