2001-11-19_REVISION - C1981008 - Laserfiche WebLink

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Groundwater GLW~ GW-N1 GW-N1P1 GW-N24 GW-N25 GW-N28 GW-N10 GWN 11 GW-N26 Surface Water SLW~ Spoil Spring #1 Spoil Spring #3 NPDES 001 NPDES 003 NPDES 005 NPDES 002 NDPES 004 NPDES 006 The monitoring wells abandoned will be closed during the winter of 2001-2002 as per state regulations. The Planning-Engineering Department of Montrose County, CO has expressed an interest in assuming the legal and reclamation obligations ofwell(s) GW-N1 and/or GW-N 1 P1 for their use at the old county landfill. WFC will not close GW-N1 and/or GW-N1 P1 if the County provides adequate documentation to the State releasing WFC from its' obligation forthewell(s) prior to the scheduled closureoftheotherabandonedwells. Monitoring wellsGW-N3,GW-N4,GW-N4R and GW-N27 will be left open, but not monitored until required by the State at some as yet to be determined date. Monitoring recordsfortheabandonedsitescanbefoundintheAnnualHydrology Reports filed by WFC with the State of Colorado. Table 2.04.7-1 below shows the currently approved hydrological monitoring program. Map 2.04.7-1 has been modified to show both the abandoned wells and those where monitoring has been discontinued as per MR-52. APPROVED HYDROLOGICAL MONITORING PROGRAM Table 2.04.7-1 summarizes various approved monitoring sites. They are shown on Map 2.04.7-1-A. For New Horizon 1 Mine, these sites include those approved under the permit previously held by Peabody Coal and later revised by Western Fuels-Colorado. For New Horizon 2 Mine, the sites are based upon recommendations made by Greystone Consultants and subsequent revisions requested by WFC. The monitoring plan revised as perTR38 will be adequate for the Garvey and Burbridge leases included in the permit boundary and other mining areas to the west-northwest that WFC intends to include within the permit boundary in the near future. Map 2.04.7-1 shows the locations of surface stations and wells for the New Horizon Mine 2 monitoring program. Modifcationstotheexistingmonitoringlocationsforsurfaceandgroundwater are discussed below. All data will be reported in the annual hydrology report. (Revised 70/17/01) 2.04.7-37