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<br /> <br />page _f i ye <br />Since the Rito -Seto and <br />hydrologically connected, we can <br />damage to wetlands and wildlife. <br />from increasedrseai'mentation and <br />the cone of. depressian^ What <br />potential' far sucn damaga? - <br />mine pits are to some extent <br />expect eventual and ccnsidorable <br />What is the potential for damaga <br />turtzirtity ar from the' effacta of <br />can the EPA do to reduce the <br />Water from the augmentation plan will not be delivered on a <br />one-for-one basis,~nor'will, It bo delivered to .the Rito 9sco at <br />the points of impact. Inataed, augmsntation water will be <br />delivered to the Fti to Seco three m1 l va downstream from the impacted <br />areas. what will happen to the wetlands along the threQ-miLea of <br />impacted stream bed^ Finally, the augmrntation water i~ water that <br />will be transferred from agricultural to industrial ucoa; BMR will <br />dry-out nine esnter pleat irrigation wells on the Columbian <br />Ranr_h/f!ocky Mountain Farms properties the B60 acres fast of water <br />per •year piped to the mine-is morn than the amount consumed in the <br />San Luis area for domestic purposes (720 acro feet par ywar). Only <br />ten percent of the land in Castilla County is irrigated for <br />agricultural purposec; bMR's augmentation plan will taxm a good <br />portion of this farmland out of production. <br />(b) To::icit.y/Security of Tailingst <br />FACT: bMR will utili:o 900 tone of sodium <br />seven ta'ni'ne years of mining operations. <br />will extract .0~2 ounce of gold per ton of <br />material. The facility will employ eight <br />vats. The one hundred and twenty acro want <br />hunt in a floodpla3n and employs minimal <br />technologies. <br />eyanidv per year over <br />The leach vat system <br />procvaaetl orQ-bearing <br />380,000 gallon leach <br />! tailings facility is <br />compaction and lining <br />EMF VIEW: The cyanide-leach vat system is complete:.y "svlf- <br />e~clased3" absolutely na cyanide can leak out into the vnvironmont. <br />Th. residual cyanide will be Completely ds3toxified before it is <br />paced in the waste tail3ngc impoundments. <br />LOCAL CONCERNS: While the cyanide leach vat system is <br />s!r~icturally-enclosed, a good probability exist ~ for s.ruetural <br />fiilr.,res or breaE:downs in the automated flow-Control cye*_ems. No <br />c•ranidv_• learn facility is lOCr percent foolproof. Accidrnts do <br />happen. EMF has a poor environmental record at its other leaching <br />faci.litirs. There is considerable ambiguity and un_ertainty <br />r~y:irriinq E?Mf:'r. cieto;;ifieation of residual cyanide. <br />Thera i s al sr., , uncern over the safety and cocuri ty of the <br />w:r[;1:(? tai t 3 nrEs t.;ci l i t i es. the waste tai 1 i nga i mpoundment i s <br />l.ocat.,~n wil:hin a one hundred year floodplain. Will the dam end <br />nthrr cnnta3nrnrz+r,t structures built by 6MR bo sufficient to <br />withstand such inevitabie flooding? What ie the potential for <br />cvan,de or' heavy metal contamination of the Rlto Seco duo to leaks <br />frn,ri t)ie wa5tf? tailinq~ facility? The EFA should carefully <br />