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Roger Bishop - 2 - 18 January 2005 <br /> • Please describe what cropping activities are planned for Site B, when the crop will be planted, and <br /> any preplanting irrigation that is required. <br /> Groundwater Monitoring Network <br /> As part of the Report on Site B review, staff considered the groundwater monitoring network and determined <br /> the network is inadequate. Staff reviewed the 16 July 2001 Monitoring Well Installation Workplan in a 14 <br /> August 2001 Conditional Approval of Groundwater Monitoring Workplan(attached). The Conditional <br /> Approval stated: <br /> The well locations are generally acceptable, however, if the gradient is not as northerly as <br /> anticipated, the wells may not adequately monitor the application areas. Additional wells may <br /> be required at a later time. If the groundwater flow direction was established from the on-site <br /> monitoring wells, it should be recognized that the cullet sump dewatering station is likely <br /> controlling the local groundwater flow direction. <br /> Groundwater monitoring reports have consistently shown the groundwater flow direction to be to the south. <br /> By 18 April 2005 please submit a Groundwater Monitoring Well Installation Workplan to adequately monitor <br /> groundwater both upgradient and downgradient of the land application areas. The workplan shall include a <br /> schedule that indicates the wells will be installed by 17 July 2005. <br /> Please address each of the items listed above, install the groundwater monitoring wells, and resubmit your <br /> request to use Site B. When the items are adequately addressed staff will recommend the Executive Officer <br /> approve the use of Site B. Please note the groundwater monitoring wells are required whether you decide to <br /> proceed with Site B or not. If you have any questions on this report review,please telephone me at <br /> (916) 464-4616. <br /> TIMO O'BRIEN <br /> Waste Discharge to Land Unit <br /> Enc: 14 August 2001 Conditional Approval of Groundwater Monitoring Workplan <br /> cc: Mike Huggins, San Joaquin County Environmental Health Department, Stockton <br /> Jeff Willett, Condor Earth Technologies, Inc., Stockton <br /> W v WA%nca sn mayamwa.,'..Musn'14)an os me <br />