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October 2000 -40- 003-2191 <br /> <br />(6) Distance to the Relevant Point of Compliance <br />The relevant point of compliance is [he location of the six monitoring wells shown on <br />Figure 6. The approximate horizontal distances from the uppermost cells [o the <br />monitoring wells is as follows: <br />• 700 feet for well M-1; <br />• 600 feet for well M-2; <br />• 900 feet for well M-3; <br />• 800 feet for M-4; <br />• 15 feet for well M-5; and <br />• 150 feet for well M-6. <br />Stratigraphically, the fill will be approximately 60 to 100 feet above the uppermost <br />saturated zone (B Sand) <br />(7) Distance and Chazacteristics, Including Quality, of the Uppermost Aquifer or <br />Monitored Unit <br />As set forth in Item 6 above, the distance between the uppermost saturated zone (B <br />Sand) and the proposed base of waste placement is some 60 to 100 feet. The B Sand is <br />chazacterized in the lithologic descriptions and geophysical logs of Appendix 1. In <br />general, the unit is a light gray azkosic sandstone with rounded quartz and some biotite <br />and muscovite. According to the cross sections (Figure 4), the B Sand appeazs to be <br />continuous across the site but is not expected to have much lateral extent beyond the <br />property boundary due to the lenticular nature of the Dawson sandstone units. The B <br />Sand is also sepazated from over- and under-lying sandstone lenses by relatively thick <br />sequences of claystone or shale. Estimated hydraulic conductivity for the B Sand <br />beneath the property is approximately 0.1 fUday (4x10 5 centimeters per second). <br />Chemical quality of the groundwaterin the B Sand is good. Water quality and purging <br />data from a single sampling event aze attached in Appendix 5. <br />vaoaiainiais~e.r,r~~iiooo a~ Sedalia Recycling Center and Depository <br />