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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br />CENTRAL VALLEY REGION <br />MONITORING AND REPORTING PROGRAM NO. 94- <br />WOOLSEY OIL COMPANY <br />LODI <br />SAN JOAQUIN COUNTY <br />Prior to construction, plans and specifications for ground water monitoring and/or extraction <br />wells shall be submitted to Board staff for review and approval. After construction, new <br />wells are to be sampled and analyzed for the constituents below and added to the monitoring <br />program. <br />GROUND WATER MON- n- -P—nvr <br />There are nine ground water monitoring wells (designated MW -1 through MW -9) as shown <br />in Figure 1. Monitoring wells with free phase petroleum product or visible sheen shall be <br />monitored for product thickness and depth to ground water only. The ground water <br />monitoring program for the nine wells, and any additional wells installed subsequently, <br />except for wells containing free phase petroleum product or visible sheen, shall include the <br />following: <br />Constituents Analy�cal Method mum Detection <br />Limit <br />Depth • Ground <br />Water <br />Benzene <br />602 <br />0.3 <br />Toluene <br />602 <br />0.3 <br />Ethylbenzene <br />602 <br />0.3 <br />Xylene <br />602 <br />0.6 <br />TPH Gasoline <br />5030/8015 <br />50 <br />TPH Diesel <br />3510/8015 <br />50 <br />Lead <br />239.2 <br />2 <br />' For nondetectable results. <br />Quarterly <br />Quarterly <br />Quarterly <br />Quarterly <br />Ouarterly <br />Quarterly <br />Quarterly <br />Quarterly2 <br />z If the presence of total lead is not confirmed, no further test is required. If total lead is <br />detected, the Discharger shall perform verification sampling within 30 days of submittal of <br />the monitoring report. If pollution is verified, the Discharger shall continue monitoring for <br />total lead quarterly. <br />IN <br />"A. <br />IF <br />