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~j <br />v <br />v <br />..., <br />717.17 - Ground water systems may be Impacted by underground sub- <br />• sldence and leachage from coal and refuse situated on the alluvia. <br />This Is why monitoring systems have been developed for those poten6 <br />tlal Prob~nms. <br />A letter from the slater Quality Control Division should substantiate <br />sfi et no NPDES permit is rc:qulrud. <br />Any dischaege freer the ponds not attributable to a 10 year,2~hr <br />event will be rgqulred to meet the efFlclent (imitations. A sur- <br />face water nonltorin0 poogranr should be avitlable. <br />Please revise. your se~ilrrent control design speeificatlons as per <br />exhibit G. <br />Please feel free to call and discuss any of the (terns mentioned <br />abobe which reflect upon the adequacy of your application. 1 w111 <br />be happy to r•~ork with you 8o resolve these problems. Please send <br />seven copies of any response material to OSH and four copies to <br />the Mined Land P.ecTamatlon Division. <br />Sincerely yours, <br />J.Davld Ilolrr <br />Reclamation Specialist <br />JD9/pm <br />cc: Mr. F. Dan Rinehart <br />~~ <br /> <br />-4- <br />I ! ~~ ~~tl ~k PJ ~ 1 , <br />