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California Rfg ioval Water Quality Pontrol Board <br /> � <br /> Central Valley Region <br /> Winston H.Hickox Robert Schneider, Chair <br /> y <br /> Secretary for Gray Davis <br /> Sacramento Main Office.gov 0 �+r yy Governor <br /> Protection Environmental Internet Address: http://www.swrcb.ca /r q bs l PH 1' 2 <br /> 3 <br /> 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 24 October 2003 <br /> Paul Franzia <br /> Barrel Ten Quarter Circle Land Company <br /> 6342 Bystrum Road <br /> Ceres, CA 95307 <br /> INCOMPLETE VADOSE ZONE MONITORING WORK PLArV, BARREL TEN WINERY, <br /> ESCAL ON, SAN JOA QUINCOUNTY <br /> I have reviewed the 21 October 2003 Vadose Zone Monitoring Work Plan addendum,prepared by <br /> Kennedy/Jenks Consultants. The addendum was submitted in response to the Regional Board's <br /> 14 October 2003 Conditional Approval of the 1 October 2003 work plan. The work plan was prepared <br /> in response to Requirement No. 8 of Cease and Desist Order No. R5-2003-00125. Please clarify the <br /> following items in the addendum: <br /> Groundwater Well Installation Portion of the Work Plan <br /> The response to Item 1 does not clarify how the wells that will be installed on the east side of the land <br /> application areas will not be impacted by past wastewater application. Additionally, the locations of the <br /> off-site contaminant source areas are not identified so evaluation of the well placement by Regional <br /> Board staff is impossible. Please identify the locations of the off-site potential contaminant source areas. <br /> The response to Item 2 is not clear: "This sampling effort is intended to establish subsurface physical <br /> conditions and background chemical properties such as cation exchange capacity(CEC). The current <br /> chemistry information is not critical for this sampling objective. The analysis of soil samples from soil <br /> boring will show the constituents in the soil during excavation." Please clarify the statement. <br /> Vadose Zone Monitoring Portion of the Work Plan <br /> The response to Item 1 states that most of the wastewater will be discharged to Land Application Area <br /> (LAA) No. 5 but does not address the water balance presented as Table 2 in the 1 October 2003 Work <br /> Plan. Table 2 clearly indicates all the available land application areas will receive wastewater. A new <br /> water balance that supports the concept of limiting wastewater application must be submitted to support <br /> the proposed approach. <br /> The response to Item 3 states the sampling frequency will be established by the timing of process water <br /> applications to LAA No. 5. This seems to be in conflict with the response to Item No. 1 described <br /> California Environmental Protection Agency <br /> Zp�Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple ways you can reduce demand and cut your energy costs,see our Web-site at htt2://www.swTcb.ca.gov/rwqcb5 <br />