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<br /> <br />Figure 3: Tracer Test Results Operated at 0.5 gpm <br /> <br />The results of all 11 tests are summarized in Table 2 below. The tests were performed in the order <br />listed. <br />Table 1: Data Summary <br /> <br /> <br />Figure 4 presents a comparison of the target H 2 O 2 dose and the measured H 2 O 2 concentration at the <br />UV influent port. It is observed that the measured H 2 O 2 concentration matches the target value <br />reasonably well. On average, the measured H 2 O 2 dose was 109% of the target value. <br />Test <br />No.Flow <br />Target <br />[H2O2] <br />UV <br />Lamps <br />1,4-D Log <br />Reduction <br />EEO, <br />kWh/kgal/ <br />order <br />Influent Effluent Influent Effluent <br />(gpm)(mg/L)(on/off)(mg/L)(mg/L) <br />1 0.5 0 off 0.0 191 187 0.01 <br />2 0.5 0 on 0.0 190 159 0.08 86.18 <br />3 0.5 5 on 5.7 1.7 193 2.1 1.96 3.40 <br />4 0.5 10 on 9.9 189 0.082 3.36 1.98 <br />5 0.5 20 on 21.1 6.1 197 0.07 3.45 1.93 <br />6 1.0 5 on 5.5 3.0 172 11.7 1.17 2.86 <br />7 1.0 10 on 10.5 6.0 186 2.3 1.91 1.75 <br />8 1.0 20 on 19.6 192 0.44 2.64 1.26 <br />9 2.0 5 on 6.8 5.4 170 39.6 0.63 2.63 <br />10 2.0 10 on 11.0 8.5 169 17.9 0.98 1.71 <br />11 2.0 20 on 20.1 15.7 170 7 1.39 1.20 <br />1,4-D [H2O2] <br /> 11