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(, TABLE 2 <br /> J <br /> I Effluent I <br /> I Residual I <br /> Time I Chlorine (ppm) J Remarks <br /> I I <br /> 19 JUNE <br /> 0100 J 0 1 <br /> 0300 J 0 I <br /> 0500 I 0 I <br /> 0700 i 0 I <br /> 0815 J 0.18 I <br /> 0835 J 0.07 I <br /> 0845 J <0.01 1 <br /> 0900 J Trace I <br /> 1100 J 0 I <br /> 1300 I 0 I <br /> 1500 J 0 I <br /> 1530 J -- 11) Started breakpoint chlorination <br /> J J 2) pH violation, no value given <br /> J 3) Chlorine feed = 9,000 pounds <br /> 1540 I <0.01 ! <br /> 1615 I <0.01 I <br /> 1640 J 1.37 I <br /> 1700 I 0.42 J pH = 3.2 <br /> 1710 I 0.33 I <br /> 1900 J 3.0 I Lower Cl feed to 8,000 pounds <br /> 2000 1 3.0-6.0 I <br /> 2100 J 6.0 I <br /> 2145 J -- I Increase Cl feed to 10,000 pounds <br /> 2230 I 2.0 I Monitor Res. Cl in effluent, increase in 200-300 <br /> J pound increments (if needed) <br /> 2300 I 2.0 I <br /> 20 JUNE <br /> 0100 1 10+ I <br /> 0300 J 10.5 I Lower Cl feed to 2400 pounds, increase pH to 6.0 <br /> 0500 1 0 I <br /> 0651 I -- I Increase Cl feed to 9,000 pounds <br /> 0700 J 0 I <br /> 0820 J 0.92 I <br /> 0900 J 1.0 1 <br /> 1100 J 2.0 I <br /> 1300 J 3.0 I <br /> 1500 J 0. 3 I <br /> 1530 J 1.67 I <br /> 1550 J 1.03 I <br /> 1615 J 0.53 I <br /> 1645 J 4.42 I <br /> 1700 J Trace I <br /> 1710 J 0.48 I <br /> 1728 1<0.01 J Few violations for the balance of 20 June and <br /> 21 of June <br /> Note: These data were received from the City of Stockton <br /> T -17 <br />