SITE INFORMATION AND CORRESPONDENCE

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Mr. Jeffrey Palumbo - 3 - 15 November 2005 10. Title 27 §21750 (f) Geology. A generalized geologic map of California was provided. A map of the site specific geology needs to be provided. 11. Title 27 §21750 (f)(1) Geology-Map and cross sections. A boring log does not suffice for this requirement. A cross section portraying the pond design, underlying geology and groundwater shall be provided. 12. Title 27 §21750 (f)(2), (3) and(4) Geology. Provide a more detailed discussion of the geology with relation to the pond design and construction. The ponds shall be constructed such that underlying shallow groundwater will be protected. The Geotechnical Report focused primarily on the construction of the pump station, reservoir and brine concentrator not on the evaporation brine ponds. 13. Title 27 §21750 (5) Geology-Stability Analysis. A stability analysis shall be performed specifically for the evaporation ponds and include the items detailed in Title 27 §21750 (5)(A)(B)(C). 14. Title 27 §21750(g) Hydrogeology. The information as outlined in this section needs to be provided(i.e. hydraulic conductivity and groundwater flow). 15. Title 27 §21750(g)(7) Background. Please provide proposed monitoring plans for groundwater detection monitoring, surface water monitoring and vadose zone monitoring as described in Title 27 §20415(b)(c) and (d). Pursuant to Title 27 §20415 (e)(6) Initial Background Sampling—For each Unit,the discharger shall collect all data necessary for selecting the appropriate data analysis methods pursuant to ¶(e)(7-9) and for establishing the background values specified pursuant to¶ (e)(10). At a minimum, this data shall include analytical data obtained during quarterly sampling of all Background Monitoring Points for a period of one year, including the times of expected highest and lowest annual elevations of the ground water surface. For a new Unit, this data shall be collected before wastes are discharged at the Unit and background soil pore liquid data shall be collected from beneath the Unit before the Unit is constructed. 16. Title 27 §21750(h) Land and Water Use. Section incomplete. The following information needs to be included in RWD: (1) Well Map—A map showing the locations of all water wells, oil wells, and geothermal wells within the facility boundary and showing the locations of all such wells within one mile outside of the facility boundary. (2) Well Owner—Name and address of the owner of each well indicated in&(h)(1). (3) Well Information—Well information, where available, for each water well indicated in &(h)(1) including, but not limited to: (A) total depth of well; (B) diameter of casing at ground surface and at total depth; (C) type of well construction(cable tool, rotary, etc.); (D) depth and type of perforations;