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December 17, 20011 <br />Rage 5 <br />about how all this disruption will impact water quality in North Clear Cheek and users <br />below is trot discus.4ed. What ate the tnittetals and heavy metals that this mine will add to <br />the North Clear Creek? <br />Pnxr_.te~ Plant •.nut PRti1~~_t Ser~le a[ea: The ephemeral filrCdID lX)mtng fnNn the Waste Ra* <br />pile and small sedimenk pond, wilt pass thty the Sediment Pond about al 7350'. It would flow rn~er the cut <br />Jiff at 73011 feet' and flows ~I {e or vA~i the Processing Plan[ fill or rock floor to emerge in the <br />Pemtamen[ Sediment Pottd below( no depth here given). How can we be sate this Paid is adeyua[e to hap <br />sediments dmirrg ymrs of mining? <br />Exhilxt C-2A . Main access cross section A-A' is shorn without scale as to depth But <br />importantly there is rp provision for drainage off the sides of that main Access Road (no ditched so aatets <br />wt11 rm down the middle of the Accexs Rc>acl The Aeoes~x Road witl dump amrsiderable solids into the <br />Temporary Sedim~t pond which is so small (only -20x40 ft in dimensions and no depth fa that pond is <br />given) that ante is ~ way to disooversvtietl~rirwilt ~~nte'tttc~susper~d---- <br />stcrmwaterload dining the 10 years. The engineering design ctl'ttis mad does not meet any kind of <br />standards fat polution control. <br />REVEGECAT®AREA <br />The slopes on the proposed thine storage alert tar rcwegc9ation ate fairly extreme. The steepest <br />slope drops 100 teen in 100 feet, which means the slope mint be 4S degne~ Other pans of the fill show <br />slues of about half that as it drops SOfi0 feet in 100 feet. Eveu wveting these slopes of tceky material <br />with sal, I suspect the slopes of from 30 to 45 degrees wHl rrrA 6e provocative fa establishing an <br />babacoons weer. Erosion will be considerable oo these slopes wait6 storm waters. Shrub plamings will <br />reed access w soil mtris[ure during the dry periods, ant on mw srxLs 1 ant oat sate how effextive these <br />restoration efforts will be. <br />2~e~se ~-P~.~,e2- <br />