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Peabody Energy Corporation: NOV Report <br />For NOVs Issued Between Start Date 01/01/2017 and End Date 12/31/2020 <br />Mine <br />MSHA ID <br />Kayenta Mine <br />02-01195 Pattern <br />Permit State County Mine <br />Status <br />NOV Issuing Agency Sub <br />parts <br />Violation Description Remedial Action Penalty <br />($US) <br />NOV Status As of Permittee Administrative <br />Proceeding <br />Pattern <br />AZ-0001E Arizona Navajo Active C17-020-545-0 <br />01 <br />U.S. Office of <br />Surface Mining <br />1 PWCC has failed to <br />conduct maintenance at <br />the KM-A3 sediment <br />pond, despite continued <br />request by OSMRE. <br />OSMRE identified the <br />following discrepancies <br />during a partial <br />inspection conducted <br />on June 6, 2016: a) <br />PWCC has failed to <br />perform maintenance at <br />the KM-A3 pond to <br />ensure it can function <br />as designed. <br />Observations during <br />OSMREs October <br />aerial inspection <br />confirmed that PWCC <br />had not begun clean- <br />out/maintenance of the <br />KM-A3 pond. <br />1. Provide OSMRE <br />with a plan for <br />disposal of KM-A3s <br />coal mine waste <br />material. 2.Upon <br />OSMRE approval, <br />perform pond <br />clean-out of coal <br />mine waste/ <br />sediment. 3. <br />Replace the 36in <br />CMP with the 48in <br />CMP as required <br />for in the certified <br />as-build design of <br />the KM-A3 pond. <br />NOTE: Fines that <br />would typically be <br />assessed as a <br />result of this action <br />may be held in <br />abeyance until the <br />resolution of any <br />pending bankruptcy <br />action. <br />0 Vacated 9/28/2017 Peabody <br />Western <br />Coal <br />Company <br />None <br />Last Refresh Date: 7/13/20 Page: 1 of 10