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October 2005 Monthly Treated Water Self Mon itonng Report—1707C <br /> Canepa s Car Wash,Stockton,CA <br /> Page 3 <br /> Table 2 —Treated Water Monitoring Laboratory Analytical Results <br /> iCONSTITUENT Monitoring Event Current Final Discharge <br /> Sample Date 10/19/05 Lab Field* <br /> Analytical Reporting Discharge <br /> Method Limit/Units Lirrut/Units <br /> Oil and Grease EPA 1664 5 m /L 100 Mg/1 <5 0 m L <br /> Benzene EPA 8260B 0 5 1 0 5 mg/1 <0 5 1 <br /> Toluene EPA 8260E 0 5 1 Total <0 5 1 <br /> Including <br /> Ethyl Benzene EPA 8260B 0 5 l benzene <0 5 l <br /> Xylenes EPA 8260B 1 0 1 4 57 mg/i <1 0 l <br /> MTBE EPA 82608 0 5 1 ND <0 5 I <br /> DIPE EPA 8260B 0 5 I ND <0 5 l <br /> ETBE EPA 8260B 0 5 i ND <0 5 l <br /> TAME EPA 8260E 0 5 1 ND <0 5 1 <br /> TBA EPA 8260B 5 0 I ND <5 0 /i <br /> H(lab field*) EPA 1.50 1 Std Units 540 8 8 902 <br /> Units Analytical <br /> mg/L=milligrams per liter=parts per million(ppm) B,T,E,X=benzene,toluene,ethyl benzene,total xylenes <br /> µglL=micrograms per liter=parts per billion(ppb) TPH-G=total petroleum hydrocarbons quantified as gasoline <br /> Gasoline oxygenates/additives= methyl tertiary-butyl ether(MTBE), <br /> tertiary-butanol(TBA) di-isopropyl ether(DIPE) ethyl tertiary <br /> butyl ether(BTB E) tertiary-amyl methyl ether(TAME) <br /> Notes <br /> • <br /> NT=not tested <br /> *=treated water Field Measurements for pit <br /> **=Metals and Total Organics Analyzed Annually to Final Discharge in September <br /> FUTURE WORK <br /> Continue monthly self-monitoring of the site through cessation of the groundwater treatment project or as <br /> deemed necessary by the Client or MUD <br /> LIMITATIONS AND SIGNATURE <br /> This report was prepared under the direct supervision of a Professional Engineer in the State of <br /> California The standard of care for all services performed or furnished by Condor is consistent with <br /> standard practices by a member of the environmental profession practicing under similar conditions at the <br /> same time and locality when and where the work is performed Condor is not responsible for the accuracy <br /> and completeness of information collected and developed by others <br /> This report was prepared for the sole use of Mr Remo Canepa, and may not be used or relied upon by any <br /> other person(s) without the express written consent and authorization of Mr Canepa and Condor If any <br /> changes are made or errors found in the information used for this report, the interpretations and <br /> conclusions contained herein shall not be considered valid unless the changes or errors are reviewed by <br /> Condor and either appropriately modified or re-approved in writing Any questions regarding the content <br /> of this document should be addressed to Jeff Willett at(209) 234-0518 <br /> • <br /> ;i� CONDOtt <br />