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JUN 0 3 2005 <br /> �R� P �T �0 Condor Earth Technologies, Inc. <br /> ARON ENT HE€M 21663 Brian Lane, Sonora,CA 95370 (209) 532-0361 <br /> PERMI188 Frank West Circle, Suite 1, Stockton,CA 95206 (209)234-0518 <br /> June 1, 2005 Condor Project No. 1707 C <br /> MONTHLY TREATED WATER DISCHARGE SELF-MONITORING REPORT <br /> . MAY 2005 <br /> CANEPA'S CARWASH, 6230 PACIFIC AVE., STOCKTON, CALIFORNIA <br /> MAY 2005 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 May 19, 2005, at the Canepa's Car Wash site. The equipment began <br /> operation and discharge on November 1, 2004.-Report attachments include laboratory analytical reports <br /> for the May sampling(Attachment A). <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 air-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 Limit Field Parameters <br /> .Temp. PH Total Flow Rate of Flow %LEL LEL <br /> Date Time <br /> gallons o <br /> (°C) (field) � (gallons) (daily g (hexane) (10%exceeded) <br /> average) <br /> 9/30/2004* 14:00 6.88 9.64 350* 0.0 0.0 None <br /> 10131/2004* 12:00 NM NM 350* 0.0 0.0 None <br /> 11/1/2004 14:00 NM NM 350* 0.0 -0.1 None <br /> 11/30/2004 14:00 NM 9.50 107,308 3,577 +0.1 None <br /> 12/31/2004 14:00 NM NM 152,581 1,460 +1.4 None <br /> 1/31/2005 15:30 20.53 7.71 193,015 1,304 -2.7 None <br /> 2/28/2005 17:00 NM NM 293,456 3,587 -1.6 None <br /> 3/1/2005 16:00 NM NM 299,216 5,760 -0.9 None <br /> 3/30/2005 I6:00 NM NM 299,216 5,760 -0.9 None <br /> 4/30/2005 13:10 NM 9.21 375,847 2,554 -1.9 None <br /> 5/31/05 17:00 NM NM 504,626 4,154 -3.0 None <br /> °C=degrees Centigrade NM=Not Measured <br /> *: total flow through the inline flow meter was placed into the storage tank as of this date and was not discharged. <br /> ,1 <br /> A <br /> L J CONDOR <br />