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Citation No. 03-10-07C-004 <br />NCYCC <br />Page 7 <br />2 <br />2 <br />the long term use of this well since monitoring has shown a fairly rapid increase <br />3 <br />in PCE concentration. <br />4 <br />5 <br />3. By May 30, 2007, submit a plan and schedule for completing repairs to Well No. <br />G <br />1 and returning the well to service. <br />7 <br />8 <br />4. Based on the results of the most recent monitoring, Well No. 4 shall be utilized <br />9 <br />as the system's lead well. Well No. 1 has the second lowest PCE concentration <br />10 <br />and shall be utilized as the system's lag well if current monitoring verifies <br />11 <br />compliance. Well No. 2 shall be used as little as possible until treatment has <br />12 <br />been installed and Standby Well No. 3 is to be used only for short term <br />13 <br />emergencies. If subsequent chemical monitoring indicates changes in the <br />14 <br />organic chemical concentrations in the wells, the well with the lowest organic <br />15 <br />chemical concentration shall be utilized as the lead well, the well with the next <br />16 <br />lowest organic chemical concentration shall be utilized as lag well. <br />17 <br />18 <br />5• Active Wells Nos. 1 (when returned to service), 2, and 4 shall continue to be <br />19 <br />monitored for VOCs on a monthly basis and the results shall be submitted to the <br />20 <br />Department via electronic data transfer (EDT). Since the organic chemical <br />21 <br />contamination in the NCYCC wells appears to be changing rapidly, alio"provide <br />22 <br />the Stockton District office with printed summaries of the monitoring resits each <br />23 <br />month. <br />24 <br />25' <br />26 <br />27 <br />COURT PAPER <br />6T4TC or CALIFORNIA <br />STC. 1 13 F:•; 0.:1 <br />