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i <br /> Table 1 <br /> Estimated Time to Reach Water Quality Goals at Well MW-12 <br /> Knowles Property <br /> 7835 Thornton Road(Formerly 1140 West Hammer Lane),Stockton,California <br /> GRO <br /> Year 2015 2020 2025 2030 2035 2040 2045 2050 2055 2060 2065 2070 2075 2080 2085 2090 2095 <br /> Conc. 14,000 8526 5192.3 3162.1 1925.7 1172.8 714.2 435.0 264.9 161.3 98.2 59.8 36.4 22.2 13.5 8.2 5.0 <br />(assumes a 39.1 percent reduction in contaminant concentrations every 5 years) <br /> Benzene <br /> Year 2015 2020 2025 2030 2035 2040 2045 2050 2055 2060 2065 2070 2075 2080 2085 2090 2095 <br /> Conc. 990 859.3 745.9 647.4 562.0 487.8 423.4 367.5 319.0 276.9 240.3 208.6 181.1 157.2 136.4 118.4 102.8 i <br /> Year 2100 2105 2110 2115 2120 2125 2130 2135 2140 2145 2150 2155 2160 2165 2170 2175 2180 <br /> Conc. 89.2 77.4 67.2 58.3 50.6 44.0 38.2 33.1 28.7 25.0 21.7 18.8 16.3 14.2 12.3 10.7 9.3 <br /> Year 2185 2190 2195 2200 2205 2210 2215 2220 2225 2230 2235 2240 2245 2250 2255 2260 <br /> Conc. 8.0 7.0 6.1 5.3 4.6 4.0 3.4 3.0 2.6 2.2 2.0 1.7 1.5 1.3 1.1 1.0 <br />(assumes a 13.2 percent reduction in contaminant concentrations every 5 years) <br /> 1,2-DCA <br /> Year 2015 2019 2023 2027 2031 <br /> Conc. 26 9.8 3.7 1.4 O.S <br />(assumes a 62.5 percent reduction in contaminant concentrations every 4 years) <br /> ( <br /> K:\Knowles-Hammer lane\Tables\knowles-hammer-wpg <br />