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Page 17 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-26A MW-27A TW-03 <br /> Sample ID: WG-2480-MW26A-160311 WG-2480 MW27A-180311 WG-2480-TW03-160311 <br /> Sample Date. 3/16/2011 3/18/2011 3/16/2011 <br /> Parameters Units <br /> Metals <br /> Iron mg/L 0.46 - <0.20 <br /> Iron(dissolved) mg/L <0.50 <0.50 <br /> Manganese mg/L 0.040 0.068 <br /> Manganese(dissolved) mg/L <0.050 - <0.050 <br /> Petroleum Products <br /> Total Petroleum Hydrocarbons(C10-C28)DRO gg/L <50 <230 U 1200 <br /> Gas <br /> Carbon dioxide mg/L 29.00 - 38.00 <br /> Carbon monoxide mg/L <1.00 <1.00 <br /> Ethane gg/L <0.025 <0.025 <br /> Ethene gg/L 0.015 J 0.023 J <br /> Methane gg/L 0.100 J 14.000 <br /> Nitrogen mg/L 17.00 17.00 <br /> Oxygen mg/L 4.40 2.50 <br /> General Chemistry <br /> Alkalinity,bicarbonate mg/L 340 440 <br /> Alkalinity,carbonate mg/L <5.0 <5.0 <br /> Alkalinity,hydroxide mg/L <5.0 <5.0 <br /> Alkalinity,total(as CaCO3) mg/L 340 440 <br /> Ammonia mg/L <0.20 <0.20 <br /> Biochemical oxygen demand(BOD) mg/L <2.0 <2.0 <br /> Chemical oxygen demand(COD) mg/L <20 <20 <br /> Chloride mg/L 250 33 <br /> Dissolved organic carbon(DOC) mg/L 1.6 7.4 <br /> CRA 058324Memo-116-Tbls <br />