2011-09-16_INSPECTION - C2009087 (2)

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September 13, 2011 C -2009 -087 /Peabody Sage Creek Mine JDM Number of Partial Inspection this Fiscal Year: 4 Number of Complete Inspections this Fiscal Year: 1 Page 3 of 8 The Pecoco Pond contained water and was discharging at the time of the inspection. The embankments were stable and well vegetated at the time of the inspection. The primary CMP spillway was in good condition and the emergency spillway was stable with no problems noted. The Pecoco Pond had no problems noted. Pond 003 was holding water and had a small amount of discharge at the time of the inspection. The pond embankments were stable with evidence burrow repair n oted. Good vegetation was observed on the pond embankments and around the pond. The emergency spillway was stable and the primary spillway was functioning as designed. No problems were noted with the exception of the following: - Burrows were observed o n the embankment and should be backfilled to ensure stability. Culverts A5, A3, 33A, 30A, 29A, 47A, 62A, 32A, 2A, 15A, A8, 2AA, 9A, 12A, 59A, 55A, 13A, 53A, 64A, 54A, and 52A were observed during this inspection. New Culverts SC -10 and SC -20 were in the process of installation at the time of the inspection. All culverts were in place with no problems noted, with the exception of the following: - During the September 2010 complete inspection, an unidentified culvert was observed under a small two track ra nch road north of culvert 29A. This culvert was not part of the sediment control system and has been removed. A lower crossing was created in its place to allow run -off from the roadside ditch. This run -off has created a small head cut on the outlet sid e that will require monitoring or maintenance to ensure the erosion does not worsen. New ditches SCM -5, RE -D1, SIIPM -15 and FA -D8 have been constructed as designed with no problems noted. The topsoil in the area of the upper sump was in the process of be ing stockpiled. The lower sump was in the process of construction during the inspection. No problems were noted. Lower Sump Excavation GENERAL MINE PLAN COMPLANCE: The Peabody Sage Creek Mine was permitted in 2010 with initial construction activities beginning in May 201 1. At the time of the inspection, topsoil salvaging and storage is near completion with small construction areas remaining. The construction of ditches, the installation of culverts, blasting the portal areas and the interface of