Laserfiche WebLink
EPA REGION 8 - SEPTEI,J:BER 13 , 1993 <br /> I <br /> Applicability of 40 CFR Part 440 Effluent Limitations Guidelines 1� <br /> to Storm Water Runoff from Active Ore (Metal) Mining and Dressing Sites <br /> Applicable <br /> Discharge/Source of discharge ELG, if any Ncte/commen: <br /> (see key) <br /> Land application area run-of MD PW•�fo <br /> ra_ecs lu ds present <br /> Crusher area MD WV if Proccse fluids preset <br /> Piles (seepage and/or runoff) <br /> Spent ore Nil PW 4 Practise f1wds prssent <br /> Surge/Ore MD PW,f Prccecs fluids prescrt <br /> Waste rock/overburden MD <br /> Topsoil SW <br /> Drainage <br /> Pit drainage (unpumped) MD <br /> Pit drainage (removed by pumping) (V10 <br /> Mine water from underground mines MD <br /> (unpumped), adit discharges <br /> Mine water from underground mines MD <br /> (pumped) <br /> Seevs/French drains MD PW if Process fluids oresent <br /> Roads constructed of waste rock or spent ore <br /> On-site haul roads MD <br /> Off size haul/access roads SW lit off Achvs Ar.el <br /> Roads not constructed of waste rock or spent ore <br /> On-site haul roads SW Mo-if dust control wrtt, Mo water <br /> Off-site haul/accesS roads SW <br /> Milling/concentrating' <br /> Tailings impoundment/pole PW <br /> Run-off from tailings dams/dikes when MD PW-rf Procure fluids present <br /> constructed of waste rock/tailings <br /> Run-off from tailings damsrdlkes when not S'JV PW if Proceye flu,de prestint <br /> constructed of waste rock/tailings <br /> Heap leach pile runoff/seepage p'N <br />