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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 N17-020-545-0 <br />01 <br />U.S. Office of <br />Surface Mining <br />1 Part 1 of 2: <br />PWCC has failed to <br />ensure 1) sediment <br />pond/impoundments <br />have been constructed <br />and/or maintained as <br />designed 2) accurate <br />information has been <br />provided to the <br />regulatory authority <br />regarding certifications <br />that impoundments <br />have been constructed <br />and/or maintained as <br />designed. Site <br />conditions observed <br />during recent <br />inspections do not <br />represent what PWCC <br />has provided OSMRE <br />(i.e. pond certification <br />reports/certified as- <br />builds). The pond <br />certification report fails <br />to include all of the <br />required info <br />1. Repair pond <br />inlets with approved <br />designs at J-28 G <br />pond, N-10 81 and <br />N-11 Pond. 2. <br />Repair emergency <br />spillways at N-11 <br />ponds. 3. Ensure <br />N-11 ponds are <br />constructed <br />according to <br />approved designs <br />and submit final as- <br />built to OSMRE. 4. <br />Ensure KM-A3 <br />pond has been <br />constructed <br />according to <br />approved designs <br />and submit final as- <br />built to OSMRE. 5. <br />Repair N10 B1 <br />pond inlets <br />according to pond <br />inlet designs. <br />Submit final as built <br />to OSMRE. 6. Upon <br />completion of <br />repairs, re-submit <br />pond certification to <br />reg. auth. <br />0 Terminated 5/19/2017 Peabody <br />Western <br />Coal <br />Company <br />None <br />Last Refresh Date: 7/13/20 Page: 3 of 10