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<br /> <br />Mr. Marcus Middleton - 2 - January 24, 1991 <br />/3 ~~ Please add the Lieske well to Map 4a. <br />/4. ~kRule 2 requires the depiction of any local water intakes in the vicinity <br />of the mine. Please add the information to Map 4a, or some other map. <br />x/5.0 « All main ditches and branches of ditches must be labeled, with associated <br />design specifications shown elsewhere. Specifically, label the following <br />ditches: <br />a) /All three branches of the H-3 system; <br />~ b) ,iThe office perimeter ditch; <br />h~ ~~~ c) vThe east loop of the P-1 system; <br />P~ d) The east branch of P-3; <br />c~ r,, ~ e) /The two ditches flawing to Culvert #5; <br />S; ~ f) /The ditches flowing to Culverts #7 and #8; <br />~" g) vThe ditch previously labeled F-2 (from stock pond); and, <br />h) v.Upland diversion ditch for Mine 3 North. <br />o~~ , <br />6. /Designate the stock pond. <br />~1. /Designate the 24" CMP located adjacent to the stock pond. (Note: Are the <br />stock pond and culvert premining structures? If not, specifications must <br />be submitted as part of this revision). <br />~8. / Please label the "Demonstration Areas". <br />Small Area Exemptions <br />~~1.;/ Eliminate reference to the Ditch H-3 area since it is now a <br />"Demonstration Area". <br />0'~2. ~ All disturbed area below Ditch P-1 must be controlled. Haw much of the <br />area does not flow to the sump? If any area does not flow to a sump, <br />provide a demonstration, pursuant to Rule 4.05.2(3) for the uncontrolled <br />area, Also, submit a volume calculation for the sump to verify that the <br />10 year, 24 hour precipitation volume from the small area exemption will <br />be contained by the sump. <br />('~3. / Please submit a demonstration pursuant to 4.05.2(2) for the 1983 seeding <br />area above the Homestead Ditch. The previous commitments pertaining to <br />sampling must be retained. <br />4. Q The office area small area exemption (number 4) is appropriate. Please <br />- add wording which verifies that the oil boom at the rock filter will be <br />maintained, and that no hydraulic fluids, pesticides, fuels, or other <br />such materials will be stored outside the building at this small area <br />exemption. Also, is the SPCC plan current and accurate for this area? <br />p~ 5. / Supply a demonstration pursuant to 4.05.2(3) for the topsoil pile <br />exemption area. <br />c~6. / Eliminate reference to small area exemption number 7, since it is part of <br />a "Demonstration Area". <br />