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Page 15 of 18 <br /> TABLET <br /> ANALYTICAL RESULTS SUMMARY <br /> ANNUAL GROUNDWATER SAMPLING <br /> MAINTENANCE FACILITY <br /> TRACY,CALIFORNIA <br /> MARCH 2011 <br /> Sample Location: MW-22A MW-23A MW-24A MW-25A <br /> Sample ID: WG-2480-MW22A-160311 WG-2480 MW23A-180311 WG-2480 MW24A-180311 WG-2480 MW25A-180311 <br /> Sample Date. 3/16/1011 3/18/2011 3/18/2011 3/18/2011 <br /> Parameters Units <br /> Metals <br /> Iron mg/L <0.20 - - - <br /> Iron(dissolved) mg/L <0.50 - - <br /> Manganese mg/L 0.050 - - <br /> Manganese(dissolved) mg/L <0.050 - - - <br /> Petroleum Products <br /> Total Petroleum Hydrocarbons(C10-C28)DRO gg/L <200 U <60 U <180 U 560 <br /> Gas <br /> Carbon dioxide mg/L 38.00 - - - <br /> Carbon monoxide mg/L <1.00 - - <br /> Ethane µg/L <0.025 - - <br /> Ethene µg/L 0.012 J - - <br /> Methane µg/L 0.060 J - - <br /> Nitrogen mg/L 17.00 - - <br /> Oxygen mg/L 3.70 - - <br /> General Chemistry <br /> Alkalinity,bicarbonate mg/L 350 - - <br /> Alkalinity,carbonate mg/L <5.0 - - <br /> Alkalinity,hydroxide mg/L <5.0 - - <br /> Alkalinity,total(as CaCO3) mg/L 350 - - <br /> Ammonia mg/L <0.20 - - <br /> Biochemical oxygen demand(BOD) mg/L <2.0 - - <br /> Chemical oxygen demand(COD) mg/L <20 - - <br /> Chloride mg/L 210 - - <br /> Dissolved organic carbon(DOC) mg/L 2.5 - - <br /> CRA 058324Memo-116-Tbls <br />