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September 2005 Monthly Treated Water Self Monitoring Report—1707C <br /> Canepa s Car Wash,Stockton,CA <br /> Page 3 <br /> Table 2—Treated Water Monitoring Laboratory Analytical Results <br /> CONSTITUENT Monitoring Event Current Tank A Tank B Final <br /> Discharge <br /> Sample Date —. 9/13/05 <br /> Lab Field* LLab I Field* I Lab I Field* <br /> Analytical Reporting Discharge <br /> Method Limit/Units Limit/Units <br /> Oil and Grease EPA 1664 5 m L 100 m /l NT NT <5 0 m L <br /> Benzene EPA 8260B 0 5 l 0 5 m /l <0 5 1 <0 5 l <0 5 1 <br /> Toluene EPA 8260B 0 j ] Total <0 5 l <0 5 1 <0 5 1 <br /> Including <br /> Ethyl Benzene EPA 8260B 0 5 1 benzene <D 5 l <0 5 l <0 5 I <br /> Xylenes EPA 8260B 10 l 4 57 mg/l <1 0 I <1 0 1 <1 0 1 <br /> MTBE EPA 8260B 0 5 1 ND <0 5 1 <0 5 l <0 5 1 <br /> DIPS EPA 8260B 0 5 4WI ND <0 5 Pg1l <0 5 1 <0 5 l <br /> ETBE EPA 8260E 1 0 5 l ND <0 5 l <0 5 aWl <0 5 1 <br /> TAME EPA 8260B 0 5 l ND <0 5 ] <0 5 I <01.5 P I <br /> TBA EPA 8260$ 5 0 I ND 38 I <5 0 1 <5 0 l <br /> Metals** <br /> Cadmium EPA 200 7 0 0030 m I 2 0 m /l NT NT <00030m /l <br /> Chromium EPA 200 7 0 0030 m l 5 0 m l NT NT <0 0030 m /l <br /> Coer EPA 200 7 0 0050 mg/1 6 0 m /l NT NT 0 0068 m /l <br /> Lead EPA 200 7 00050 m /l 2 0 m i NT NT <0 0050 MgJl <br /> Nickel EPA 200 7 0 0050 m 1 5 0 m t NT NT <0 0050 m 1 <br /> Zinc EPA 200 7 0 010 T�gZl 7 0 m /1 NT NT <br /> Total Toxic Organics" <br /> Bromodichloromethane EPA 8260B 0 0005 mg/] Total=4 57 NT NT 0 015 mg/1 <br /> mg/1 <br /> Chloroform EPA 8260B 0 0005 m l Benzene=0 5 NT NT 0 028 m 1 <br /> Dibromochloromethane EPA 8260B 6 0005 m /] mg/l NT NT 0 0058 m /l <br /> H lab field* EPA 150 1 Std Units 5-10 NT I NT NT I NT 9 2 NT <br /> Units Analytical <br /> mg/L=milligrams per liter=parts per million(ppm) B,T,E,X=benzene,toluene,ethyl benzene,total xylenes <br /> µg/L=micrograms per liter=parts per billion(ppb) TPH-G=total petroleum hydrocarbons quantified as gasoline <br /> Gasoline oxygenates/additives= methyl tertiary-butyl ether(MTBE),tertiary- <br /> butanol (TBA), di-isopropyl ether(DIPS),ethyl tertiary butyl ether(ETBE), <br /> Notes tertiary-amyl methyl ether(TAME) <br /> NT=not tested <br /> *=treated water Field Measurements for pH <br /> `•=Metals and Total Organics Analyzed Annually in Final Discharge to September <br /> FUTURE WORK <br /> Continue n onthly self-monitoring of the site ttuough cessatlori of the groundwater treatment project or as <br /> deemed necessary by the Client or MUD <br /> i <br /> CONDOR <br />