{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"1518522","name":"Classic","status":"Abandoned and Sealed","status_date":"2014-12-11","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Knott","nearest_town":"Kite","operator_id":"0054616","operator_name":"KNOTT COUNTY COAL LLC","controller_id":"0150901","controller_name":"American Resources Corporation","district":"C05","office":"Norton VA Field Office","employees":0,"latitude":37.295,"longitude":-82.818889},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":5176},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-17T05:35:58.500035+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"1518522","name":"Classic"},"operator":{"type":"operator","id":"0054616","name":"KNOTT COUNTY COAL LLC"},"controller":{"type":"controller","id":"0150901","name":"American Resources Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06656","name":"Horizon Natural Resources Incorporated"},"object":{"type":"mine","id":"1518522","name":"Classic"},"validFrom":"1998-09-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|C06656|1998-09-02|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24190","name":"Knott County Mining Company"},"object":{"type":"mine","id":"1518522","name":"Classic"},"validFrom":"2002-02-19","validTo":"2004-10-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|P24190|2002-02-19|2004-10-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06656","name":"Horizon Natural Resources Incorporated"},"object":{"type":"operator","id":"P24190","name":"Knott County Mining Company"},"validFrom":"2002-02-19","validTo":"2004-10-03","current":false,"derived":true,"evidenceMineId":"1518522","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|P24190|2002-02-19|C06656|1998-09-02|72673"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0045307","name":"International Coal Group Inc (ICG)"},"object":{"type":"mine","id":"1518522","name":"Classic"},"validFrom":"2004-10-01","validTo":"2011-06-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|0045307|2004-10-01|2011-06-14"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0054616","name":"KNOTT COUNTY COAL LLC"},"object":{"type":"mine","id":"1518522","name":"Classic"},"validFrom":"2004-10-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|0054616|2004-10-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0045307","name":"International Coal Group Inc (ICG)"},"object":{"type":"operator","id":"0054616","name":"KNOTT COUNTY COAL LLC"},"validFrom":"2004-10-04","validTo":"2011-06-14","current":false,"derived":true,"evidenceMineId":"1518522","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|0054616|2004-10-04|0045307|2004-10-01|5271"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15561","name":"Arch Resources Inc"},"object":{"type":"mine","id":"1518522","name":"Classic"},"validFrom":"2011-06-15","validTo":"2016-04-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|C15561|2011-06-15|2016-04-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15561","name":"Arch Resources Inc"},"object":{"type":"operator","id":"0054616","name":"KNOTT COUNTY COAL LLC"},"validFrom":"2011-06-15","validTo":"2016-04-11","current":false,"derived":true,"evidenceMineId":"1518522","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|0054616|2004-10-04|C15561|2011-06-15|96113"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0111701","name":"Quest Energy Corporation"},"object":{"type":"mine","id":"1518522","name":"Classic"},"validFrom":"2016-04-12","validTo":"2017-01-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|0111701|2016-04-12|2017-01-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0111701","name":"Quest Energy Corporation"},"object":{"type":"operator","id":"0054616","name":"KNOTT COUNTY COAL LLC"},"validFrom":"2016-04-12","validTo":"2017-01-04","current":false,"derived":true,"evidenceMineId":"1518522","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|0054616|2004-10-04|0111701|2016-04-12|20565"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0150901","name":"American Resources Corporation"},"object":{"type":"mine","id":"1518522","name":"Classic"},"validFrom":"2017-01-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|0150901|2017-01-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0150901","name":"American Resources Corporation"},"object":{"type":"operator","id":"0054616","name":"KNOTT COUNTY COAL LLC"},"validFrom":"2017-01-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518522","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1518522|0054616|2004-10-04|0150901|2017-01-05|31139"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":45,"firstDate":"2002-05-16","lastDate":"2012-04-09","metrics":{"daysLost":2076,"injuries":39,"fatalities":0,"recentRows":0,"restrictedDays":65,"contractorRecords":3},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"143425","DOCUMENT_NO":"220121090007","ACCIDENT_DT":"04/09/2012","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Working on a head drive and was attempting to install drive sprocket. He had it blocked up on shaft and was sliding sprocket inline and it slipped off shaft, causing his hand to be between sprocket and blocking material. This resulted in 3 stitches to his hand from a laceration.","sourceDate":"2012-04-09"},{"SOURCE_ROW_NUMBER":"87476","DOCUMENT_NO":"220120970016","ACCIDENT_DT":"03/27/2012","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"40","NARRATIVE":"A piece of rock struck him on the lower part of his left leg, which resulted in a fracture of the small bone in that part of the leg.","sourceDate":"2012-03-27"},{"SOURCE_ROW_NUMBER":"255306","DOCUMENT_NO":"220112650025","ACCIDENT_DT":"08/15/2011","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"A roof fall occurred 40 feet inby spad 7129 in #1 entry and it measured 6 feet in height, 16 feet wide and 20 feet long.","sourceDate":"2011-08-15"},{"SOURCE_ROW_NUMBER":"199228","DOCUMENT_NO":"220103140017","ACCIDENT_DT":"11/04/2010","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Bull gang foreman, Labor foreman, Leadman, Section foreman, Shift boss","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While trying to free up the brake on a mine buggy, he had to jerk his hand back suddenly and came in contact with a nail which caused a laceration to his left middle finger.","sourceDate":"2010-11-04"},{"SOURCE_ROW_NUMBER":"35878","DOCUMENT_NO":"220102560028","ACCIDENT_DT":"09/02/2010","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Utility man, Errand boy, Service truck operator","NO_INJURIES":"1","DAYS_LOST":"19","NARRATIVE":"EE was using a slate bar to free a canopy out of the mud, when he felt a burning  in his lower back, at the time it happened EE indicated that he felt fine.  He started missing work from the incident on 09/07/2010.","sourceDate":"2010-09-02"},{"SOURCE_ROW_NUMBER":"229502","DOCUMENT_NO":"220102220002","ACCIDENT_DT":"08/02/2010","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"Rock fall in intake airway 4800 feet from the face. Approximate size of fall 9 feet height, 18 feet width, 80 feet length.","sourceDate":"2010-08-02"},{"SOURCE_ROW_NUMBER":"199227","DOCUMENT_NO":"220102150035","ACCIDENT_DT":"07/31/2010","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between NEC","OCCUPATION":"Master electrician","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was dropping high-line from the top. As he dropped the high-line he got his ring finger on his left hand caught in a hook of high-line hanger causing a laceration in his finger. Received 5 stitches.","sourceDate":"2010-07-31"},{"SOURCE_ROW_NUMBER":"61610","DOCUMENT_NO":"220102090018","ACCIDENT_DT":"07/21/2010","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"While making weekly examination of right return found foof fall in #8 entry. Approximate size of fall 7 feet hight, 18 feet width and 30 feet in lenght.","sourceDate":"2010-07-21"},{"SOURCE_ROW_NUMBER":"216591","DOCUMENT_NO":"220102090016","ACCIDENT_DT":"07/19/2010","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"During examination of underground belts found rock fall on #4 belt. Approximate size of fall 7 feet height 20 feet width and 60 feet in length.","sourceDate":"2010-07-19"},{"SOURCE_ROW_NUMBER":"147745","DOCUMENT_NO":"220101890003","ACCIDENT_DT":"06/24/2010","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Continuous miner operator, Coal mole operator","NO_INJURIES":"1","DAYS_LOST":"203","NARRATIVE":"Getting a piece of rock off the continuous miner with a slate bar and felt pain in lower back, worked the rest of the shift.","sourceDate":"2010-06-24"},{"SOURCE_ROW_NUMBER":"44441","DOCUMENT_NO":"220100130010","ACCIDENT_DT":"01/05/2010","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was changing bits in the Joy miner, he was using a hammer to knock out a stuck bit, He missed the bit and struck his left thumb.","sourceDate":"2010-01-05"},{"SOURCE_ROW_NUMBER":"113152","DOCUMENT_NO":"220093030028","ACCIDENT_DT":"10/26/2009","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"EXPLODING VESSELS UNDER PRESSURE","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Adjusting pressure on relief valve on the pressure water pump underground. He turned the pressure up quarter of a turn, as he turned to leave the cap of the valve blew off striking him just above the right eye cutting and caused a laceration.","sourceDate":"2009-10-26"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2014-12-11","lastDate":"2014-12-11","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":1032,"firstDate":"2002-04-25","lastDate":"2012-07-24","metrics":{"ss":278,"delinquent":1026,"recentRows":0,"paidPenalty":576138.6,"proposedPenalty":716161,"currentAssessment":577166.6},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1077459","VIOLATION_NO":"8266506","ISSUE_DT":"07/24/2012","CFR_STANDARD_CD":"75.1600-3(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"190.00","CURRENT_ASSESSMENT_AMT":"190.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-07-24"},{"SOURCE_ROW_NUMBER":"1077458","VIOLATION_NO":"8266505","ISSUE_DT":"07/24/2012","CFR_STANDARD_CD":"75.364(h)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-07-24"},{"SOURCE_ROW_NUMBER":"1077457","VIOLATION_NO":"8266504","ISSUE_DT":"07/20/2012","CFR_STANDARD_CD":"77.507","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"190.00","CURRENT_ASSESSMENT_AMT":"190.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-07-20"},{"SOURCE_ROW_NUMBER":"1077456","VIOLATION_NO":"8266503","ISSUE_DT":"07/20/2012","CFR_STANDARD_CD":"77.512","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"190.00","CURRENT_ASSESSMENT_AMT":"190.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-07-20"},{"SOURCE_ROW_NUMBER":"1077455","VIOLATION_NO":"8266502","ISSUE_DT":"07/16/2012","CFR_STANDARD_CD":"75.517","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"946.00","CURRENT_ASSESSMENT_AMT":"725.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-07-16"},{"SOURCE_ROW_NUMBER":"1077454","VIOLATION_NO":"8266501","ISSUE_DT":"07/16/2012","CFR_STANDARD_CD":"75.403","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-07-16"},{"SOURCE_ROW_NUMBER":"1077433","VIOLATION_NO":"8266490","ISSUE_DT":"06/13/2012","CFR_STANDARD_CD":"77.410(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-06-13"},{"SOURCE_ROW_NUMBER":"1077432","VIOLATION_NO":"8266489","ISSUE_DT":"06/13/2012","CFR_STANDARD_CD":"77.1605(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-06-13"},{"SOURCE_ROW_NUMBER":"1077431","VIOLATION_NO":"8266488","ISSUE_DT":"06/13/2012","CFR_STANDARD_CD":"77.410(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-06-13"},{"SOURCE_ROW_NUMBER":"1077430","VIOLATION_NO":"8266487","ISSUE_DT":"05/31/2012","CFR_STANDARD_CD":"75.1502","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"460.00","CURRENT_ASSESSMENT_AMT":"460.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-31"},{"SOURCE_ROW_NUMBER":"1078276","VIOLATION_NO":"8232826","ISSUE_DT":"05/29/2012","CFR_STANDARD_CD":"75.203(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"162.00","CURRENT_ASSESSMENT_AMT":"162.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-29"},{"SOURCE_ROW_NUMBER":"1077429","VIOLATION_NO":"8266486","ISSUE_DT":"05/29/2012","CFR_STANDARD_CD":"75.516","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"162.00","CURRENT_ASSESSMENT_AMT":"162.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-29"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":50,"firstDate":"2011-07-20","lastDate":"2013-09-16","metrics":{"appeals":0,"decisions":50,"recentRows":0,"decisionPenalty":162795.6,"originalPenalty":301790},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"337132","VIOLATION_NO":"8233493","DOCKET_NO":"KENT 2011-990","DECISION_DT":"09/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"10437.00","DECISION_PENALTY_AMT":"9034.60","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2013-09-16"},{"SOURCE_ROW_NUMBER":"331530","VIOLATION_NO":"8233451","DOCKET_NO":"KENT 2011-456","DECISION_DT":"09/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"3996.00","DECISION_PENALTY_AMT":"3996.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2013-09-16"},{"SOURCE_ROW_NUMBER":"331085","VIOLATION_NO":"8233447","DOCKET_NO":"KENT 2011-456","DECISION_DT":"09/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"3996.00","DECISION_PENALTY_AMT":"3996.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2013-09-16"},{"SOURCE_ROW_NUMBER":"330685","VIOLATION_NO":"8233446","DOCKET_NO":"KENT 2011-456","DECISION_DT":"09/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"8893.00","DECISION_PENALTY_AMT":"3142.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2013-09-16"},{"SOURCE_ROW_NUMBER":"330684","VIOLATION_NO":"8232739","DOCKET_NO":"KENT 2011-456","DECISION_DT":"09/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2282.00","DECISION_PENALTY_AMT":"2282.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2013-09-16"},{"SOURCE_ROW_NUMBER":"96260","VIOLATION_NO":"8233491","DOCKET_NO":"KENT 2011-990","DECISION_DT":"09/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"5080.00","DECISION_PENALTY_AMT":"3000.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2013-09-16"},{"SOURCE_ROW_NUMBER":"95631","VIOLATION_NO":"8233486","DOCKET_NO":"KENT 2011-990","DECISION_DT":"09/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"5961.00","DECISION_PENALTY_AMT":"3000.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2013-09-16"},{"SOURCE_ROW_NUMBER":"89148","VIOLATION_NO":"8229155","DOCKET_NO":"KENT 2011-455","DECISION_DT":"09/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"1400.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2013-09-16"},{"SOURCE_ROW_NUMBER":"353405","VIOLATION_NO":"8261778","DOCKET_NO":"KENT 2012-695","DECISION_DT":"09/12/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1111.00","DECISION_PENALTY_AMT":"1111.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-09-12"},{"SOURCE_ROW_NUMBER":"353189","VIOLATION_NO":"8261777","DOCKET_NO":"KENT 2012-695","DECISION_DT":"09/12/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"3689.00","DECISION_PENALTY_AMT":"2249.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-09-12"},{"SOURCE_ROW_NUMBER":"111185","VIOLATION_NO":"8249894","DOCKET_NO":"KENT 2012-694","DECISION_DT":"09/12/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"725.00","DECISION_PENALTY_AMT":"508.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-09-12"},{"SOURCE_ROW_NUMBER":"344106","VIOLATION_NO":"8246730","DOCKET_NO":"KENT 2011-1525","DECISION_DT":"08/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"4000.00","DECISION_PENALTY_AMT":"4000.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2013-08-16"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":1677,"firstDate":"2002-04-29","lastDate":"2012-06-08","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":277,"validSamples":1400,"maxConcentration":10.772,"concentrationTotal":1281.061},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"927261","CASS_NUM":"51167267","SMP_TAKEN_DT":"6/8/2012","CONC":".378","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-06-08"},{"SOURCE_ROW_NUMBER":"1228073","CASS_NUM":"51167278","SMP_TAKEN_DT":"5/31/2012","CONC":"1.042","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-31"},{"SOURCE_ROW_NUMBER":"723903","CASS_NUM":"51167303","SMP_TAKEN_DT":"5/31/2012","CONC":".017","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"EXCESS SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-31"},{"SOURCE_ROW_NUMBER":"992532","CASS_NUM":"51167287","SMP_TAKEN_DT":"5/22/2012","CONC":".153","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-22"},{"SOURCE_ROW_NUMBER":"1573440","CASS_NUM":"51167269","SMP_TAKEN_DT":"5/9/2012","CONC":"1.134","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-09"},{"SOURCE_ROW_NUMBER":"886050","CASS_NUM":"51167254","SMP_TAKEN_DT":"5/9/2012","CONC":".081","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"UNREPRESENTATIVE SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-09"},{"SOURCE_ROW_NUMBER":"1594800","CASS_NUM":"51167264","SMP_TAKEN_DT":"5/8/2012","CONC":".102","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-08"},{"SOURCE_ROW_NUMBER":"523351","CASS_NUM":"51167313","SMP_TAKEN_DT":"5/8/2012","CONC":"1.28","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-08"},{"SOURCE_ROW_NUMBER":"1259782","CASS_NUM":"57948699","SMP_TAKEN_DT":"5/3/2012","CONC":"1.492","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-03"},{"SOURCE_ROW_NUMBER":"1114512","CASS_NUM":"57948657","SMP_TAKEN_DT":"5/3/2012","CONC":".297","SMP_TYPE_CD_DESC":"INTAKE AIR","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"UTILITY MAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-03"},{"SOURCE_ROW_NUMBER":"940946","CASS_NUM":"57948547","SMP_TAKEN_DT":"5/3/2012","CONC":"1.546","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-03"},{"SOURCE_ROW_NUMBER":"813504","CASS_NUM":"57948532","SMP_TAKEN_DT":"5/3/2012","CONC":".51","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"UTILITY MAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-05-03"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":75,"firstDate":"2004-08-30","lastDate":"2012-06-21","metrics":{"linkedIssuances":75},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":50,"firstDate":"2009-11-17","lastDate":"2012-07-16","metrics":{"decisions":50,"ssChanged":1,"recentRows":0,"decisionPenalty":162795.6,"proposedPenalty":301790},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"424738","CITATION_NO":"8266502","CITATION_ISSUE_DT":"07/16/2012","DOCKET_NO":"KENT 2013-21","DECISION_DT":"01/22/2013","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"946.00","DECISION_PENALTY_AMT":"725.00","sourceDate":"2012-07-16"},{"SOURCE_ROW_NUMBER":"202372","CITATION_NO":"8266469","CITATION_ISSUE_DT":"04/26/2012","DOCKET_NO":"KENT 2012-1287","DECISION_DT":"04/17/2013","CFR_STANDARD_CODE":"75.206(e)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1026.00","DECISION_PENALTY_AMT":"1026.00","sourceDate":"2012-04-26"},{"SOURCE_ROW_NUMBER":"371795","CITATION_NO":"8266463","CITATION_ISSUE_DT":"04/17/2012","DOCKET_NO":"KENT 2012-1287","DECISION_DT":"04/17/2013","CFR_STANDARD_CODE":"75.380(d)(7)(vii)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"460.00","DECISION_PENALTY_AMT":"460.00","sourceDate":"2012-04-17"},{"SOURCE_ROW_NUMBER":"146297","CITATION_NO":"8266459","CITATION_ISSUE_DT":"04/13/2012","DOCKET_NO":"KENT 2012-1287","DECISION_DT":"04/17/2013","CFR_STANDARD_CODE":"75.1914(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1657.00","DECISION_PENALTY_AMT":"850.00","sourceDate":"2012-04-13"},{"SOURCE_ROW_NUMBER":"429308","CITATION_NO":"8261805","CITATION_ISSUE_DT":"02/01/2012","DOCKET_NO":"KENT 2012-822","DECISION_DT":"02/26/2013","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2678.00","DECISION_PENALTY_AMT":"2008.00","sourceDate":"2012-02-01"},{"SOURCE_ROW_NUMBER":"371914","CITATION_NO":"8261795","CITATION_ISSUE_DT":"01/25/2012","DOCKET_NO":"KENT 2012-821","DECISION_DT":"02/25/2013","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"224.00","DECISION_PENALTY_AMT":"224.00","sourceDate":"2012-01-25"},{"SOURCE_ROW_NUMBER":"142751","CITATION_NO":"8232812","CITATION_ISSUE_DT":"01/19/2012","DOCKET_NO":"KENT 2012-822","DECISION_DT":"02/26/2013","CFR_STANDARD_CODE":"75.203(e)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1111.00","DECISION_PENALTY_AMT":"168.00","sourceDate":"2012-01-19"},{"SOURCE_ROW_NUMBER":"202636","CITATION_NO":"8261782","CITATION_ISSUE_DT":"01/11/2012","DOCKET_NO":"KENT 2012-822","DECISION_DT":"02/26/2013","CFR_STANDARD_CODE":"75.220(a)(1)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"392.00","DECISION_PENALTY_AMT":"294.00","sourceDate":"2012-01-11"},{"SOURCE_ROW_NUMBER":"89908","CITATION_NO":"8261777","CITATION_ISSUE_DT":"01/04/2012","DOCKET_NO":"KENT 2012-695","DECISION_DT":"09/12/2013","CFR_STANDARD_CODE":"75.370(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"3689.00","DECISION_PENALTY_AMT":"2249.00","sourceDate":"2012-01-04"},{"SOURCE_ROW_NUMBER":"26515","CITATION_NO":"8261778","CITATION_ISSUE_DT":"01/04/2012","DOCKET_NO":"KENT 2012-695","DECISION_DT":"09/12/2013","CFR_STANDARD_CODE":"75.701","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1111.00","DECISION_PENALTY_AMT":"1111.00","sourceDate":"2012-01-04"},{"SOURCE_ROW_NUMBER":"256660","CITATION_NO":"8251969","CITATION_ISSUE_DT":"10/11/2011","DOCKET_NO":"KENT 2012-425","DECISION_DT":"11/06/2012","CFR_STANDARD_CODE":"70.204(d)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"5645.00","DECISION_PENALTY_AMT":"4000.00","sourceDate":"2011-10-11"},{"SOURCE_ROW_NUMBER":"194543","CITATION_NO":"8251967","CITATION_ISSUE_DT":"09/27/2011","DOCKET_NO":"KENT 2012-301","DECISION_DT":"10/25/2012","CFR_STANDARD_CODE":"75.370(a)(1)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"3689.00","DECISION_PENALTY_AMT":"2582.00","sourceDate":"2011-09-27"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":573,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":8,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":159,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":8,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":5,"firstDate":"2002-02-19","lastDate":"2004-10-04","metrics":{"recentRows":0,"currentOperatorTenures":4,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":142,"firstDate":"2002-03-05","lastDate":"2014-10-30","metrics":{"inspectors":281,"recentRows":0,"onSiteHours":6152.5,"inspectionHours":9335,"inspectionSamples":797},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"959137","EVENT_NO":"6372227","INSPECTION_BEGIN_DT":"10/30/2014","INSPECTION_END_DT":"10/30/2014","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2014-10-30"},{"SOURCE_ROW_NUMBER":"15215","EVENT_NO":"4204410","INSPECTION_BEGIN_DT":"08/21/2014","INSPECTION_END_DT":"08/21/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2014-08-21"},{"SOURCE_ROW_NUMBER":"842240","EVENT_NO":"6372218","INSPECTION_BEGIN_DT":"06/24/2014","INSPECTION_END_DT":"06/24/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2014-06-24"},{"SOURCE_ROW_NUMBER":"635886","EVENT_NO":"4203935","INSPECTION_BEGIN_DT":"01/13/2014","INSPECTION_END_DT":"01/13/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2014-01-13"},{"SOURCE_ROW_NUMBER":"1078605","EVENT_NO":"6392390","INSPECTION_BEGIN_DT":"10/17/2013","INSPECTION_END_DT":"10/17/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2013-10-17"},{"SOURCE_ROW_NUMBER":"593376","EVENT_NO":"4203911","INSPECTION_BEGIN_DT":"07/02/2013","INSPECTION_END_DT":"09/17/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2013-07-02"},{"SOURCE_ROW_NUMBER":"487162","EVENT_NO":"4203905","INSPECTION_BEGIN_DT":"04/12/2013","INSPECTION_END_DT":"05/14/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"19.5","SUM_TOTAL_ON_SITE_HOURS":"13","sourceDate":"2013-04-12"},{"SOURCE_ROW_NUMBER":"794718","EVENT_NO":"4182893","INSPECTION_BEGIN_DT":"04/08/2013","INSPECTION_END_DT":"04/08/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2013-04-08"},{"SOURCE_ROW_NUMBER":"565434","EVENT_NO":"4202744","INSPECTION_BEGIN_DT":"01/02/2013","INSPECTION_END_DT":"01/03/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2013-01-02"},{"SOURCE_ROW_NUMBER":"263157","EVENT_NO":"4203892","INSPECTION_BEGIN_DT":"11/07/2012","INSPECTION_END_DT":"11/07/2012","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2012-11-07"},{"SOURCE_ROW_NUMBER":"804646","EVENT_NO":"4202740","INSPECTION_BEGIN_DT":"10/30/2012","INSPECTION_END_DT":"12/04/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12.5","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2012-10-30"},{"SOURCE_ROW_NUMBER":"1044557","EVENT_NO":"4203785","INSPECTION_BEGIN_DT":"07/17/2012","INSPECTION_END_DT":"07/17/2012","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2012-07-17"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":8,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q4":{"hours":21843,"employees":39,"production":92667},"2002-Q3":{"hours":22481,"employees":39,"production":79820},"2002-Q2":{"hours":16170,"employees":35,"production":41816},"2002-Q1":{"hours":710,"employees":6,"production":2575}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":22,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2003":{"hours":98506,"employees":41,"production":439256},"2004":{"hours":98628,"employees":42,"production":394537},"2005":{"hours":92119,"employees":42,"production":366063},"2006":{"hours":94679,"employees":43,"production":337383},"2007":{"hours":102909,"employees":46,"production":284752},"2008":{"hours":104287,"employees":41,"production":316297},"2009":{"hours":151962,"employees":59,"production":265202},"2010":{"hours":165189,"employees":58,"production":243814},"2011":{"hours":170397,"employees":62,"production":250159},"2012":{"hours":69175,"employees":30,"production":92058}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-noise-samples","name":"Noise Samples","domains":["health","safety","equipment"],"products":["hearing exposure","machine and manufacturer patterns","occupation coverage"],"rowCount":120,"firstDate":"2002-07-08","lastDate":"2012-03-19","metrics":{"recentRows":0,"doseOver100":28,"actDoseTotal":8478,"pelDoseTotal":6522},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"78284","EVENT_NO":"4203219","SURVEY_DATE":"03/19/2012","OCCUPATION_CD_DESC":"FORKLIFT OPERATOR","MACHINE_CD":"17","MANUFACTURER_CD":"119","ACT_DOSE_85":"15","PEL_DOSE_90":"6","SURVEY_TYPE":"I","sourceDate":"2012-03-19"},{"SOURCE_ROW_NUMBER":"78283","EVENT_NO":"4203219","SURVEY_DATE":"02/09/2012","OCCUPATION_CD_DESC":"FIRE BOSS PRE-SHIFT EXAMINER","ACT_DOSE_85":"65","PEL_DOSE_90":"44","SURVEY_TYPE":"I","sourceDate":"2012-02-09"},{"SOURCE_ROW_NUMBER":"78282","EVENT_NO":"4203219","SURVEY_DATE":"02/09/2012","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"38","MANUFACTURER_CD":"015","ACT_DOSE_85":"39","PEL_DOSE_90":"22","SURVEY_TYPE":"I","sourceDate":"2012-02-09"},{"SOURCE_ROW_NUMBER":"78281","EVENT_NO":"4203219","SURVEY_DATE":"02/09/2012","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"62","PEL_DOSE_90":"33","SURVEY_TYPE":"I","sourceDate":"2012-02-09"},{"SOURCE_ROW_NUMBER":"78280","EVENT_NO":"4203219","SURVEY_DATE":"02/09/2012","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"59","PEL_DOSE_90":"43","SURVEY_TYPE":"I","sourceDate":"2012-02-09"},{"SOURCE_ROW_NUMBER":"78279","EVENT_NO":"4203219","SURVEY_DATE":"02/09/2012","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"101","PEL_DOSE_90":"84","SURVEY_TYPE":"I","sourceDate":"2012-02-09"},{"SOURCE_ROW_NUMBER":"78278","EVENT_NO":"4203219","SURVEY_DATE":"02/09/2012","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"68","PEL_DOSE_90":"51","SURVEY_TYPE":"I","sourceDate":"2012-02-09"},{"SOURCE_ROW_NUMBER":"78277","EVENT_NO":"4203062","SURVEY_DATE":"08/30/2011","OCCUPATION_CD_DESC":"ELECTRICIAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"6","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2011-08-30"},{"SOURCE_ROW_NUMBER":"78276","EVENT_NO":"4203062","SURVEY_DATE":"08/30/2011","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"19","PEL_DOSE_90":"10","SURVEY_TYPE":"I","sourceDate":"2011-08-30"},{"SOURCE_ROW_NUMBER":"78275","EVENT_NO":"4203062","SURVEY_DATE":"08/25/2011","OCCUPATION_CD_DESC":"FIRE BOSS PRE-SHIFT EXAMINER","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"22","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2011-08-25"},{"SOURCE_ROW_NUMBER":"78274","EVENT_NO":"4203062","SURVEY_DATE":"08/25/2011","OCCUPATION_CD_DESC":"BELT MAN/CONVEYOR MAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"15","PEL_DOSE_90":"6","SURVEY_TYPE":"I","sourceDate":"2011-08-25"},{"SOURCE_ROW_NUMBER":"78273","EVENT_NO":"4203062","SURVEY_DATE":"08/10/2011","OCCUPATION_CD_DESC":"ROOF BOLTER (MOUNTED) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"65","PEL_DOSE_90":"49","SURVEY_TYPE":"I","sourceDate":"2011-08-10"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":162,"firstDate":"2002-07-08","lastDate":"2012-05-03","metrics":{"recentRows":0,"voidSamples":10,"maxQuartzPct":35,"validSamples":152,"quartzPctTotal":1035.3},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"156105","CASSETTE_NO":"57948699","SAMPLE_DT":"05/03/2012","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2012-05-03"},{"SOURCE_ROW_NUMBER":"125069","CASSETTE_NO":"57938238","SAMPLE_DT":"02/09/2012","QUARTZ_PCT":"05.0","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2012-02-09"},{"SOURCE_ROW_NUMBER":"92424","CASSETTE_NO":"57938220","SAMPLE_DT":"02/09/2012","QUARTZ_PCT":"04.8","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2012-02-09"},{"SOURCE_ROW_NUMBER":"162389","CASSETTE_NO":"57939635","SAMPLE_DT":"01/18/2012","QUARTZ_PCT":"11.9","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2012-01-18"},{"SOURCE_ROW_NUMBER":"132620","CASSETTE_NO":"51129464","SAMPLE_DT":"11/28/2011","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"OVERSIZE PARTICLES","sourceDate":"2011-11-28"},{"SOURCE_ROW_NUMBER":"89507","CASSETTE_NO":"51129472","SAMPLE_DT":"11/28/2011","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"OVERSIZE PARTICLES","sourceDate":"2011-11-28"},{"SOURCE_ROW_NUMBER":"104547","CASSETTE_NO":"57859911","SAMPLE_DT":"11/09/2011","QUARTZ_PCT":"10.9","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-11-09"},{"SOURCE_ROW_NUMBER":"65755","CASSETTE_NO":"57859899","SAMPLE_DT":"11/09/2011","QUARTZ_PCT":"12.4","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-11-09"},{"SOURCE_ROW_NUMBER":"128699","CASSETTE_NO":"51129488","SAMPLE_DT":"10/24/2011","QUARTZ_PCT":"22.3","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-10-24"},{"SOURCE_ROW_NUMBER":"145708","CASSETTE_NO":"51129520","SAMPLE_DT":"09/30/2011","QUARTZ_PCT":"11.7","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"UNACCEPTABLE TIMEFRAME","sourceDate":"2011-09-30"},{"SOURCE_ROW_NUMBER":"57350","CASSETTE_NO":"51129515","SAMPLE_DT":"09/30/2011","QUARTZ_PCT":"09.0","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-09-30"},{"SOURCE_ROW_NUMBER":"147572","CASSETTE_NO":"57859982","SAMPLE_DT":"09/15/2011","QUARTZ_PCT":"32.5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-09-15"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":1054,"firstDate":"2002-04-25","lastDate":"2012-07-24","metrics":{"ss":278,"amountDue":577166.6,"contested":17,"amountPaid":576138.6,"recentRows":0,"section104d":12,"unterminated":4,"proposedPenalty":716161},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1012070","VIOLATION_NO":"8266506","VIOLATION_ISSUE_DT":"07/24/2012","SIG_SUB":"N","PART_SECTION":"75.1600-3(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/25/2012","PROPOSED_PENALTY":"190","AMOUNT_DUE":"190","AMOUNT_PAID":"190","CONTESTED_IND":"N","sourceDate":"2012-07-24"},{"SOURCE_ROW_NUMBER":"1012069","VIOLATION_NO":"8266505","VIOLATION_ISSUE_DT":"07/24/2012","SIG_SUB":"N","PART_SECTION":"75.364(h)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/24/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-07-24"},{"SOURCE_ROW_NUMBER":"1012068","VIOLATION_NO":"8266504","VIOLATION_ISSUE_DT":"07/20/2012","SIG_SUB":"N","PART_SECTION":"77.507","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/20/2012","PROPOSED_PENALTY":"190","AMOUNT_DUE":"190","AMOUNT_PAID":"190","CONTESTED_IND":"N","sourceDate":"2012-07-20"},{"SOURCE_ROW_NUMBER":"1012067","VIOLATION_NO":"8266503","VIOLATION_ISSUE_DT":"07/20/2012","SIG_SUB":"N","PART_SECTION":"77.512","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/20/2012","PROPOSED_PENALTY":"190","AMOUNT_DUE":"190","AMOUNT_PAID":"190","CONTESTED_IND":"N","sourceDate":"2012-07-20"},{"SOURCE_ROW_NUMBER":"1012066","VIOLATION_NO":"8266502","VIOLATION_ISSUE_DT":"07/16/2012","SIG_SUB":"Y","PART_SECTION":"75.517","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/16/2012","PROPOSED_PENALTY":"946","AMOUNT_DUE":"725","AMOUNT_PAID":"725","CONTESTED_IND":"N","sourceDate":"2012-07-16"},{"SOURCE_ROW_NUMBER":"1012065","VIOLATION_NO":"8266501","VIOLATION_ISSUE_DT":"07/16/2012","SIG_SUB":"N","PART_SECTION":"75.403","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"NoNegligence","TERMINATION_DT":"07/19/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-07-16"},{"SOURCE_ROW_NUMBER":"1011854","VIOLATION_NO":"8266490","VIOLATION_ISSUE_DT":"06/13/2012","SIG_SUB":"N","PART_SECTION":"77.410(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/14/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-06-13"},{"SOURCE_ROW_NUMBER":"1011853","VIOLATION_NO":"8266489","VIOLATION_ISSUE_DT":"06/13/2012","SIG_SUB":"N","PART_SECTION":"77.1605(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/14/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-06-13"},{"SOURCE_ROW_NUMBER":"1011852","VIOLATION_NO":"8266488","VIOLATION_ISSUE_DT":"06/13/2012","SIG_SUB":"N","PART_SECTION":"77.410(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/14/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-06-13"},{"SOURCE_ROW_NUMBER":"1011851","VIOLATION_NO":"8266487","VIOLATION_ISSUE_DT":"05/31/2012","SIG_SUB":"N","PART_SECTION":"75.1502","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"8","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/04/2012","PROPOSED_PENALTY":"460","AMOUNT_DUE":"460","AMOUNT_PAID":"460","CONTESTED_IND":"N","sourceDate":"2012-05-31"},{"SOURCE_ROW_NUMBER":"1011909","VIOLATION_NO":"8232826","VIOLATION_ISSUE_DT":"05/29/2012","SIG_SUB":"N","PART_SECTION":"75.203(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/31/2012","PROPOSED_PENALTY":"162","AMOUNT_DUE":"162","AMOUNT_PAID":"162","CONTESTED_IND":"N","sourceDate":"2012-05-29"},{"SOURCE_ROW_NUMBER":"1011850","VIOLATION_NO":"8266486","VIOLATION_ISSUE_DT":"05/29/2012","SIG_SUB":"N","PART_SECTION":"75.516","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/31/2012","PROPOSED_PENALTY":"162","AMOUNT_DUE":"162","AMOUNT_PAID":"162","CONTESTED_IND":"N","sourceDate":"2012-05-29"}]}],"safety":{"href":"/api/v1/mines/1518522/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1518522/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1600-3","heading":"Communications facilities; refuge alternatives.","id":"75.1600-3","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-Q/section-75.1600-3","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"Q","subpartHeading":"Subpart Q—Communications","text":"(a) Refuge alternatives shall be provided with a communications system that consists of—\n\n(1) A two-way communication facility that is a part of the mine communication system, which can be used from inside the refuge alternative; and\n\n(2) An additional communication system and other requirements as defined in the communications portion of the operator's approved Emergency Response Plan.\n\n[73 FR 80700, Dec. 31, 2008]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.364","heading":"Weekly examination.","id":"75.364","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"D","subpartHeading":"Subpart D—Ventilation","text":"(a) Worked-out areas. (1) At least every 7 days, a certified person shall examine unsealed worked-out areas where no pillars have been recovered by traveling to the area of deepest penetration; measuring methane and oxygen concentrations and air quantities and making tests to determine if the air is moving in the proper direction in the area. The locations of measurement points where tests and measurements will be performed shall be included in the mine ventilation plan and shall be adequate in number and location to assure ventilation and air quality in the area. Air quantity measurements shall also be made where the air enters and leaves the worked-out area. An alternative method of evaluating the ventilation of the area may be approved in the ventilation plan.\n\n(2) At least every 7 days, a certified person shall evaluate the effectiveness of bleeder systems required by § 75.334 as follows:\n\n(i) Measurements of methane and oxygen concentrations and air quantity and a test to determine if the air is moving in its proper direction shall be made where air enters the worked-out area.\n\n(ii) Measurements of methane and oxygen concentrations and air quantity and a test to determine if the air is moving in the proper direction shall be made immediately before the air enters a return split of air.\n\n(iii) At least one entry of each set of bleeder entries used as part of a bleeder system under § 75.334 shall be traveled in its entirety. Measurements of methane and oxygen concentrations and air quantities and a test to determine if the air is moving in the proper direction shall be made at the measurement point locations specified in the mine ventilation plan to determine the effectiveness of the bleeder system.\n\n(iv) In lieu of the requirements of paragraphs (a)(2)(i) and (iii) of this section, an alternative method of evaluation may be specified in the ventilation plan provided the alternative method results in proper evaluation of the effectiveness of the bleeder system.\n\n(b) Hazardous conditions and violations of mandatory health or safety standards. At least every 7 days, an examination for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(8) of this section shall be made by a certified person designated by the operator at the following locations:\n\n(1) In at least one entry of each intake air course, in its entirety, so that the entire air course is traveled.\n\n(2) In at least one entry of each return air course, in its entirety, so that the entire air course is traveled.\n\n(3) In each longwall or shortwall travelway in its entirety, so that the entire travelway is traveled.\n\n(4) At each seal along return and bleeder air courses and at each seal along intake air courses not examined under § 75.360(b)(5).\n\n(5) In each escapeway so that the entire escapeway is traveled.\n\n(6) On each working section not examined under § 75.360(b)(3) during the previous 7 days.\n\n(7) At each water pump not examined during a preshift examination conducted during the previous 7 days.\n\n(8) Weekly examinations shall include examinations to identify violations of the standards listed below:\n\n(i) §§ 75.202(a) and 75.220(a)(1)—roof control;\n\n(ii) §§ 75.333(h) and 75.370(a)(1)—ventilation, methane;\n\n(iii) §§ 75.400 and 75.403—accumulations of combustible materials and application of rock dust; and\n\n(iv) § 75.1403—maintenance of off track haulage roadways, and track haulage, track switches, and other components for haulage;\n\n(v) § 75.1722(a)—guarding moving machine parts; and\n\n(vi) § 75.1731(a)—maintenance of belt conveyor components.\n\n(c) Measurements and tests. At least every 7 days, a certified person shall—\n\n(1) Determine the volume of air entering the main intakes and in each intake split;\n\n(2) Determine the volume of air and test for methane in the last open crosscut in any pair or set of developing entries or rooms, in the return of each split of air immediately before it enters the main returns, and where the air leaves the main returns; and\n\n(3) Test for methane in the return entry nearest each set of seals immediately after the air passes the seals.\n\n(d) Hazardous conditions shall be corrected immediately. If the condition creates an imminent danger, everyone except those persons referred to in section 104(c) of the Act shall be withdrawn from the area affected to a safe area until the hazardous condition is corrected. Any violation of the nine mandatory health or safety standards found during a weekly examination shall be corrected.\n\n(e) The weekly examination may be conducted at the same time as the preshift or on-shift examinations.\n\n(f) (1) The weekly examination is not required during any 7 day period in which no one enters any underground area of the mine.\n\n(2) Except for certified persons required to make examinations, no one shall enter any underground area of the mine if a weekly examination has not been completed within the previous 7 days.\n\n(g) Certification. The person making the weekly examinations shall certify by initials, date, and the time that the examination was made. Certifications and times shall appear at enough locations to show that the entire area has been examined.\n\n(h) Recordkeeping. At the completion of any shift during which a portion of a weekly examination is conducted, a record of the results of each weekly examination, including a record of hazardous conditions and violations of the nine mandatory health or safety standards found during each examination and their locations, the corrective action taken, and the results and location of air and methane measurements, shall be made. The results of methane tests shall be recorded as the percentage of methane measured by the examiner. The record shall be made by the person making the examination or a person designated by the operator. If made by a person other than the examiner, the examiner shall verify the record by initials and date by or at the end of the shift for which the examination was made. The record shall be countersigned by the mine foreman or equivalent mine official by the end of the mine foreman's or equivalent mine official's next regularly scheduled working shift. The records required by this section shall be made in a secure book that is not susceptible to alteration or electronically in a computer system so as to be secure and not susceptible to alteration.\n\n(i) Retention period. Records shall be retained at a surface location at the mine for at least 1 year and shall be made available for inspection by authorized representatives of the Secretary and the representative of miners.\n\n[61 FR 9829, Mar. 11, 1996, as amended at 77 FR 20715, Apr. 6, 2012]","occurrenceCount":1},{"chapter":"I","heading":"Electric equipment; switches.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.507","part":"77","subchapter":"O","subpart":"F","id":"77.507","citation":"30 CFR 77.507","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.512","heading":"Inspection and cover plates.","id":"77.512","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.512","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"Inspection and cover plates on electrical equipment shall be kept in place at all times except during testing or repairs.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.517","heading":"Power wires and cables; insulation and protection.","id":"75.517","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"[Statutory Provisions]\n\nPower wires and cables, except trolley wires, trolley feeder wires, and bare signal wires, shall be insulated adequately and fully protected.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.403","heading":"Maintenance of incombustible content of rock dust.","id":"75.403","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"Where rock dust is required to be applied, it shall be distributed upon the top, floor, and sides of all underground areas of a coal mine and maintained in such quantities that the incombustible content of the combined coal dust, rock dust, and other dust shall be not less than 80 percent. Where methane is present in any ventilating current, the percent of incombustible content of such combined dust shall be increased 0.4 percent for each 0.1 percent of methane.\n\n[75 FR 57857, Sept. 23, 2010; 76 FR 35978, June 21, 2011]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.410","heading":"Mobile equipment; automatic warning devices.","id":"77.410","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Safeguards for Mechanical Equipment","text":"(a) Mobile equipment such as front-end loaders, forklifts, tractors, graders, and trucks, except pickup trucks with an unobstructed rear view, shall be equipped with a warning device that—\n\n(1) Gives an audible alarm when the equipment is put in reverse; or\n\n(2) Uses infrared light, ultrasonic waves, radar, or other effective devices to detect objects or persons at the rear of the equipment, and sounds an audible alarm when a person or object is detected. This type of discriminating warning device shall—\n\n(i) Have a sensing area of a sufficient size that would allow endangered persons adequate time to get out of the danger zone.\n\n(ii) Give audible and visual alarms inside the operator's compartment and an audible alarm outside of the operator's compartment when a person or object is detected in the sensing area; and\n\n(iii) When the equipment is put in reverse, activate and give a one-time audible and visual alarm inside the operator's compartment and a one-time audible alarm outside the operator's compartment.\n\n(b) Alarms shall be audible above the surrounding noise levels.\n\n(c) Warning devices shall be maintained in functional condition.\n\n(d) An automatic reverse-activated strobe light may be substituted for an audible alarm when mobile equipment is operated at night.\n\n[54 FR 30517, July 20, 1989]","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1605","heading":"Loading and haulage equipment; installations.","id":"77.1605","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"Q","subpartHeading":"Subpart Q—Loading and Haulage","text":"(a) Cab windows shall be of safety glass or equivalent, in good condition and shall be kept clean.\n\n(b) Mobile equipment shall be equipped with adequate brakes, and all trucks and front-end loaders shall also be equipped with parking brakes.\n\n(c) Positive-action type brakes shall be provided on aerial tramways.\n\n(d) Mobile equipment shall be provided with audible warning devices. Lights shall be provided on both ends when required.\n\n(e) Guard nets or other suitable protection shall be provided where tramways pass over roadways, walkways, or buildings.\n\n(f) Guards shall be installed to prevent swaying buckets from hitting towers.\n\n(g) Aerial tramway cable connections shall be designed to offer minimum obstruction to the passage of wheels.\n\n(h) Rocker-bottom or bottom-dump cars shall be equipped with positive locking devices, or other suitable devices.\n\n(i) Ramps and dumps shall be of solid construction, of ample width, have ample clearance and headroom, and be kept reasonably free of spillage.\n\n(j) Chute-loading installations shall be designed so that the men pulling chutes are not required to be in a hazardous position during loading operations.\n\n(k) Berms or guards shall be provided on the outer bank of elevated roadways.\n\n(l) Berms, bumper blocks, safety hooks, or similar means shall be provided to prevent overtravel and overturning at dumping locations.\n\n(m) Roadbeds, rails, joints, switches, frogs, and other elements on railroads shall be designed, installed, and maintained in a safe manner consistent with the speed and type of haulage.\n\n(n) Where practicable, a minimum of 30 inches continuous clearance from the farthest projection of moving railroad equipment shall be provided on at least one side of the tracks; all places where it is not possible to provide 30-inch clearance shall be marked conspicuously.\n\n(o) Track guardrails, lead rails, and frogs shall be protected or blocked so as to prevent a person's foot from becoming wedged.\n\n(p) Positive-acting stop-blocks, derail devices, track skates, or other adequate means shall be installed wherever necessary to protect persons from runaway or moving railroad equipment.\n\n(q) Switch throws shall be installed so as to provide adequate clearance for switchmen.\n\n(r) Where necessary, bumper blocks or the equivalent shall be provided at all track dead ends.","occurrenceCount":1},{"chapter":"I","heading":"Mine emergency evacuation and firefighting program of instruction.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1502","part":"75","subchapter":"O","subpart":"P","id":"75.1502","citation":"30 CFR 75.1502","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Mining methods.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.203","part":"75","subchapter":"O","subpart":"C","id":"75.203","citation":"30 CFR 75.203","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.516","heading":"Power wires; support.","id":"75.516","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.516","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"[Statutory Provision]\n\nAll power wires (except trailing cables on mobile equipment, specially designed cables conducting high-voltage power to underground rectifying equipment or transformers, or bare or insulated ground and return wires) shall be supported on well-insulated insulators and shall not contact combustible material, roof, or ribs.","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1518522","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}