{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1518699","name":"Red Bird Coal #2","status":"Abandoned","status_date":"2014-06-02","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Knott","nearest_town":"Kite","operator_id":"0104625","operator_name":"Red Bird Coal LLC","controller_id":"0097633","controller_name":"Stewart H  Ashton III","district":"C05","office":"Norton VA Field Office","employees":0,"latitude":37.336944,"longitude":-82.815556},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":679},"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":"2026-10-13T11:19:05.459773+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":"1518699","name":"Red Bird Coal #2"},"operator":{"type":"operator","id":"0104625","name":"Red Bird Coal LLC"},"controller":{"type":"controller","id":"0097633","name":"Stewart H  Ashton III"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051881","name":"Tri Energy"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2004-01-05","validTo":"2005-07-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0051881|2004-01-05|2005-07-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042597","name":"Jim  Shubert et al"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2004-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0042597|2004-01-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042597","name":"Jim  Shubert et al"},"object":{"type":"operator","id":"0051881","name":"Tri Energy"},"validFrom":"2004-01-16","validTo":"2005-07-12","current":false,"derived":true,"evidenceMineId":"1518699","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0051881|2004-01-05|0042597|2004-01-16|4094"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042597","name":"Robert  Jennings et al"},"object":{"type":"operator","id":"0051881","name":"Tri Energy"},"validFrom":"2004-01-16","validTo":"2005-07-12","current":false,"derived":true,"evidenceMineId":"1518699","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0051881|2004-01-05|0042597|2004-01-16|4095"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0061903","name":"C J C Coal Inc"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2005-07-13","validTo":"2007-10-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0061903|2005-07-13|2007-10-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14903","name":"Clark  Johnson"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2005-07-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|C14903|2005-07-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14903","name":"Clark  Johnson"},"object":{"type":"operator","id":"0061903","name":"C J C Coal Inc"},"validFrom":"2005-07-13","validTo":"2007-10-30","current":false,"derived":true,"evidenceMineId":"1518699","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0061903|2005-07-13|C14903|2005-07-13|94234"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0063769","name":"Phillip  Ray"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2006-10-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0063769|2006-10-16|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0075923","name":"AC Mining of East Ky Inc"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2007-10-31","validTo":"2008-05-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0075923|2007-10-31|2008-05-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0063769","name":"Phillip  Ray"},"object":{"type":"operator","id":"0075923","name":"AC Mining of East Ky Inc"},"validFrom":"2007-10-31","validTo":"2008-05-13","current":false,"derived":true,"evidenceMineId":"1518699","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0075923|2007-10-31|0063769|2006-10-16|8715"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0092805","name":"Mac-Tech Inc"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2008-05-14","validTo":"2010-07-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0092805|2008-05-14|2010-07-06"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0077973","name":"Randy S  McKinney"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2008-05-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0077973|2008-05-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0077973","name":"Randy S  McKinney"},"object":{"type":"operator","id":"0092805","name":"Mac-Tech Inc"},"validFrom":"2008-05-14","validTo":"2010-07-06","current":false,"derived":true,"evidenceMineId":"1518699","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0092805|2008-05-14|0077973|2008-05-14|12287"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16019","name":"Eddie  Lawson"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2009-09-25","validTo":"2010-11-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|C16019|2009-09-25|2010-11-15"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0104625","name":"Red Bird Coal LLC"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2010-07-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0104625|2010-07-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16019","name":"Eddie  Lawson"},"object":{"type":"operator","id":"0104625","name":"Red Bird Coal LLC"},"validFrom":"2010-07-07","validTo":"2010-11-15","current":false,"derived":true,"evidenceMineId":"1518699","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0104625|2010-07-07|C16019|2009-09-25|98068"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0097633","name":"Stewart H  Ashton III"},"object":{"type":"mine","id":"1518699","name":"Red Bird Coal #2"},"validFrom":"2010-11-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0097633|2010-11-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0097633","name":"Stewart H  Ashton III"},"object":{"type":"operator","id":"0104625","name":"Red Bird Coal LLC"},"validFrom":"2010-11-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518699","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518699|0104625|2010-07-07|0097633|2010-11-16|15998"}}],"coverage":{"historyRecords":7,"edgeCount":18,"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":1,"firstDate":"2008-01-24","lastDate":"2008-01-24","metrics":{"daysLost":5,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"14444","DOCUMENT_NO":"220080560067","ACCIDENT_DT":"01/24/2008","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"5","NARRATIVE":"EE was pulling a scoop with another scoop and chain, chain slipped and hit EE.","sourceDate":"2008-01-24"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2014-06-02","lastDate":"2014-06-02","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":268,"firstDate":"2005-10-17","lastDate":"2012-05-21","metrics":{"ss":95,"delinquent":268,"recentRows":0,"paidPenalty":100,"proposedPenalty":62024,"currentAssessment":62024},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1077923","VIOLATION_NO":"8267019","ISSUE_DT":"05/21/2012","CFR_STANDARD_CD":"75.1711","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"473.00","CURRENT_ASSESSMENT_AMT":"473.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-21"},{"SOURCE_ROW_NUMBER":"1074744","VIOLATION_NO":"8245563","ISSUE_DT":"02/04/2011","CFR_STANDARD_CD":"77.1104","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"243.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-02-04"},{"SOURCE_ROW_NUMBER":"1074732","VIOLATION_NO":"8245171","ISSUE_DT":"01/31/2011","CFR_STANDARD_CD":"77.202","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"243.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-31"},{"SOURCE_ROW_NUMBER":"1074731","VIOLATION_NO":"8245170","ISSUE_DT":"01/31/2011","CFR_STANDARD_CD":"75.310(a)(4)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-31"},{"SOURCE_ROW_NUMBER":"1074730","VIOLATION_NO":"8245169","ISSUE_DT":"01/28/2011","CFR_STANDARD_CD":"75.311(f)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-28"},{"SOURCE_ROW_NUMBER":"1074729","VIOLATION_NO":"8245165","ISSUE_DT":"01/26/2011","CFR_STANDARD_CD":"75.1714-8(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-26"},{"SOURCE_ROW_NUMBER":"1074743","VIOLATION_NO":"8245559","ISSUE_DT":"01/24/2011","CFR_STANDARD_CD":"70.209(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"4000.00","CURRENT_ASSESSMENT_AMT":"4000.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-24"},{"SOURCE_ROW_NUMBER":"1074742","VIOLATION_NO":"8245558","ISSUE_DT":"01/24/2011","CFR_STANDARD_CD":"70.207(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"5211.00","CURRENT_ASSESSMENT_AMT":"5211.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-24"},{"SOURCE_ROW_NUMBER":"1074741","VIOLATION_NO":"8245557","ISSUE_DT":"01/21/2011","CFR_STANDARD_CD":"75.202(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"285.00","CURRENT_ASSESSMENT_AMT":"285.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-21"},{"SOURCE_ROW_NUMBER":"1074740","VIOLATION_NO":"8245556","ISSUE_DT":"01/20/2011","CFR_STANDARD_CD":"75.701","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"285.00","CURRENT_ASSESSMENT_AMT":"285.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-20"},{"SOURCE_ROW_NUMBER":"1074739","VIOLATION_NO":"8245555","ISSUE_DT":"01/20/2011","CFR_STANDARD_CD":"75.601-1","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"285.00","CURRENT_ASSESSMENT_AMT":"285.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-20"},{"SOURCE_ROW_NUMBER":"1074738","VIOLATION_NO":"8245554","ISSUE_DT":"01/20/2011","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"285.00","CURRENT_ASSESSMENT_AMT":"285.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-01-20"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":26,"firstDate":"2006-04-27","lastDate":"2011-01-20","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":16,"validSamples":10,"maxConcentration":3.689,"concentrationTotal":13.041},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1495623","CASS_NUM":"50979035","SMP_TAKEN_DT":"1/20/2011","CONC":".185","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"Personal ID Submitted","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-01-20"},{"SOURCE_ROW_NUMBER":"704711","CASS_NUM":"51111128","SMP_TAKEN_DT":"1/14/2011","CONC":".346","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"Personal ID Submitted","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-01-14"},{"SOURCE_ROW_NUMBER":"1461167","CASS_NUM":"51111137","SMP_TAKEN_DT":"1/12/2011","CONC":".31","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"MULTIPLE SAMPLES SAME SHIFT","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-01-12"},{"SOURCE_ROW_NUMBER":"580312","CASS_NUM":"51111157","SMP_TAKEN_DT":"1/12/2011","CONC":".572","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"Personal ID Submitted","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-01-12"},{"SOURCE_ROW_NUMBER":"859291","CASS_NUM":"51111133","SMP_TAKEN_DT":"1/11/2011","CONC":".146","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"Personal ID Submitted","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-01-11"},{"SOURCE_ROW_NUMBER":"1168694","CASS_NUM":"51111142","SMP_TAKEN_DT":"1/10/2011","CONC":".092","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"Personal ID Submitted","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-01-10"},{"SOURCE_ROW_NUMBER":"1431314","CASS_NUM":"50979059","SMP_TAKEN_DT":"11/28/2008","CONC":"1.053","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID PRODUCTION","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-11-28"},{"SOURCE_ROW_NUMBER":"1091165","CASS_NUM":"50979066","SMP_TAKEN_DT":"11/25/2008","CONC":"1.334","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID PRODUCTION","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-11-25"},{"SOURCE_ROW_NUMBER":"399576","CASS_NUM":"50979073","SMP_TAKEN_DT":"11/24/2008","CONC":".721","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID PRODUCTION","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-11-24"},{"SOURCE_ROW_NUMBER":"1490601","CASS_NUM":"50979078","SMP_TAKEN_DT":"11/21/2008","CONC":".276","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID PRODUCTION","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-11-21"},{"SOURCE_ROW_NUMBER":"888339","CASS_NUM":"50979038","SMP_TAKEN_DT":"11/20/2008","CONC":".096","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID PRODUCTION","OCC_CD_DESC":"CUTTING MACHINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-11-20"},{"SOURCE_ROW_NUMBER":"1622856","CASS_NUM":"57634095","SMP_TAKEN_DT":"9/20/2006","CONC":".263","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2006-09-20"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":2,"firstDate":"2011-03-02","lastDate":"2011-03-02","metrics":{"linkedIssuances":2},"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":7,"firstDate":"2004-01-05","lastDate":"2010-07-07","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":5},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":35,"firstDate":"2005-09-26","lastDate":"2013-09-26","metrics":{"inspectors":56,"recentRows":0,"onSiteHours":696.75,"inspectionHours":1206.5,"inspectionSamples":68},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"830627","EVENT_NO":"4204028","INSPECTION_BEGIN_DT":"09/26/2013","INSPECTION_END_DT":"09/26/2013","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.75","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2013-09-26"},{"SOURCE_ROW_NUMBER":"201312","EVENT_NO":"4202750","INSPECTION_BEGIN_DT":"01/29/2013","INSPECTION_END_DT":"01/29/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2013-01-29"},{"SOURCE_ROW_NUMBER":"329353","EVENT_NO":"4178834","INSPECTION_BEGIN_DT":"01/16/2013","INSPECTION_END_DT":"01/16/2013","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2013-01-16"},{"SOURCE_ROW_NUMBER":"31087","EVENT_NO":"4203561","INSPECTION_BEGIN_DT":"05/29/2012","INSPECTION_END_DT":"05/29/2012","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2012-05-29"},{"SOURCE_ROW_NUMBER":"77554","EVENT_NO":"4203560","INSPECTION_BEGIN_DT":"05/21/2012","INSPECTION_END_DT":"05/21/2012","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2012-05-21"},{"SOURCE_ROW_NUMBER":"949682","EVENT_NO":"4202685","INSPECTION_BEGIN_DT":"01/03/2011","INSPECTION_END_DT":"03/30/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"129.75","SUM_TOTAL_ON_SITE_HOURS":"68.25","sourceDate":"2011-01-03"},{"SOURCE_ROW_NUMBER":"948989","EVENT_NO":"4202950","INSPECTION_BEGIN_DT":"12/16/2010","INSPECTION_END_DT":"01/05/2011","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2010-12-16"},{"SOURCE_ROW_NUMBER":"912086","EVENT_NO":"4202682","INSPECTION_BEGIN_DT":"12/01/2010","INSPECTION_END_DT":"12/23/2010","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"37.5","SUM_TOTAL_ON_SITE_HOURS":"26.5","sourceDate":"2010-12-01"},{"SOURCE_ROW_NUMBER":"189610","EVENT_NO":"4202941","INSPECTION_BEGIN_DT":"11/03/2010","INSPECTION_END_DT":"11/03/2010","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2010-11-03"},{"SOURCE_ROW_NUMBER":"81335","EVENT_NO":"4202680","INSPECTION_BEGIN_DT":"10/01/2010","INSPECTION_END_DT":"11/22/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"88.25","SUM_TOTAL_ON_SITE_HOURS":"45.5","sourceDate":"2010-10-01"},{"SOURCE_ROW_NUMBER":"1051761","EVENT_NO":"6386495","INSPECTION_BEGIN_DT":"09/08/2010","INSPECTION_END_DT":"09/21/2010","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":"16","sourceDate":"2010-09-08"},{"SOURCE_ROW_NUMBER":"809949","EVENT_NO":"4202679","INSPECTION_BEGIN_DT":"08/31/2010","INSPECTION_END_DT":"09/01/2010","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2010-08-31"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":23,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011-Q1":{"hours":0,"employees":0,"production":0},"2010-Q4":{"hours":3400,"employees":17,"production":452},"2010-Q3":{"hours":1920,"employees":8,"production":243},"2010-Q2":{"hours":0,"employees":0,"production":0},"2010-Q1":{"hours":1200,"employees":5,"production":1080},"2009-Q1":{"hours":3080,"employees":6,"production":2310},"2008-Q4":{"hours":2600,"employees":5,"production":4140},"2008-Q3":{"hours":0,"employees":0,"production":0},"2008-Q2":{"hours":40,"employees":1,"production":0},"2008-Q1":{"hours":2449,"employees":7,"production":0},"2004-Q1":{"hours":0,"employees":0,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":6,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2008":{"hours":5089,"employees":7,"production":4140},"2009":{"hours":3080,"employees":6,"production":2310},"2010":{"hours":6520,"employees":10,"production":1775}},"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":9,"firstDate":"2006-04-27","lastDate":"2006-10-19","metrics":{"recentRows":0,"doseOver100":0,"actDoseTotal":237,"pelDoseTotal":190},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"83624","EVENT_NO":"4438018","SURVEY_DATE":"10/19/2006","OCCUPATION_CD_DESC":"MECHANIC","MACHINE_CD":"40","MANUFACTURER_CD":"120","ACT_DOSE_85":"16","PEL_DOSE_90":"8","SURVEY_TYPE":"I","sourceDate":"2006-10-19"},{"SOURCE_ROW_NUMBER":"83623","EVENT_NO":"4438018","SURVEY_DATE":"10/19/2006","OCCUPATION_CD_DESC":"SECTION FOREMAN","MACHINE_CD":"40","MANUFACTURER_CD":"120","ACT_DOSE_85":"9","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2006-10-19"},{"SOURCE_ROW_NUMBER":"83622","EVENT_NO":"4438018","SURVEY_DATE":"10/19/2006","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"13","PEL_DOSE_90":"9","SURVEY_TYPE":"I","sourceDate":"2006-10-19"},{"SOURCE_ROW_NUMBER":"83621","EVENT_NO":"4438018","SURVEY_DATE":"10/19/2006","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"15","PEL_DOSE_90":"10","SURVEY_TYPE":"I","sourceDate":"2006-10-19"},{"SOURCE_ROW_NUMBER":"83620","EVENT_NO":"4438018","SURVEY_DATE":"10/19/2006","OCCUPATION_CD_DESC":"CONTINUOUS MINER HELPER","MACHINE_CD":"40","MANUFACTURER_CD":"120","ACT_DOSE_85":"16","PEL_DOSE_90":"11","SURVEY_TYPE":"I","sourceDate":"2006-10-19"},{"SOURCE_ROW_NUMBER":"83619","EVENT_NO":"4227402","SURVEY_DATE":"04/27/2006","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"019","ACT_DOSE_85":"21","PEL_DOSE_90":"11","SURVEY_TYPE":"I","sourceDate":"2006-04-27"},{"SOURCE_ROW_NUMBER":"83618","EVENT_NO":"4227402","SURVEY_DATE":"04/27/2006","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"20","PEL_DOSE_90":"19","SURVEY_TYPE":"I","sourceDate":"2006-04-27"},{"SOURCE_ROW_NUMBER":"83617","EVENT_NO":"4227402","SURVEY_DATE":"04/27/2006","OCCUPATION_CD_DESC":"ROOF BOLTER (SINGLE HEAD)","MACHINE_CD":"30","MANUFACTURER_CD":"114","ACT_DOSE_85":"47","PEL_DOSE_90":"45","SURVEY_TYPE":"I","sourceDate":"2006-04-27"},{"SOURCE_ROW_NUMBER":"83616","EVENT_NO":"4227402","SURVEY_DATE":"04/27/2006","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"053","ACT_DOSE_85":"80","PEL_DOSE_90":"72","SURVEY_TYPE":"I","sourceDate":"2006-04-27"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":300,"firstDate":"2005-10-17","lastDate":"2012-05-29","metrics":{"ss":95,"amountDue":62024,"contested":0,"amountPaid":100,"recentRows":0,"section104d":4,"unterminated":25,"proposedPenalty":62024},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1047891","VIOLATION_NO":"8267021","VIOLATION_ISSUE_DT":"05/29/2012","PART_SECTION":"75.1711","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"06/10/2015","CONTESTED_IND":"N","sourceDate":"2012-05-29"},{"SOURCE_ROW_NUMBER":"1047890","VIOLATION_NO":"8267019","VIOLATION_ISSUE_DT":"05/21/2012","SIG_SUB":"N","PART_SECTION":"75.1711","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"473","AMOUNT_DUE":"473","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-05-21"},{"SOURCE_ROW_NUMBER":"1047793","VIOLATION_NO":"8245564","VIOLATION_ISSUE_DT":"02/07/2011","SECTION_OF_ACT":"316(b)(2)(F)(ii)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"11/03/2015","CONTESTED_IND":"N","sourceDate":"2011-02-07"},{"SOURCE_ROW_NUMBER":"1047792","VIOLATION_NO":"8245563","VIOLATION_ISSUE_DT":"02/04/2011","SIG_SUB":"Y","PART_SECTION":"77.1104","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/09/2011","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-02-04"},{"SOURCE_ROW_NUMBER":"1047780","VIOLATION_NO":"8245171","VIOLATION_ISSUE_DT":"01/31/2011","SIG_SUB":"Y","PART_SECTION":"77.202","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/09/2011","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-01-31"},{"SOURCE_ROW_NUMBER":"1047779","VIOLATION_NO":"8245170","VIOLATION_ISSUE_DT":"01/31/2011","SIG_SUB":"N","PART_SECTION":"75.310(a)(4)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/31/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-01-31"},{"SOURCE_ROW_NUMBER":"1047778","VIOLATION_NO":"8245169","VIOLATION_ISSUE_DT":"01/28/2011","SIG_SUB":"N","PART_SECTION":"75.311(f)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/31/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-01-28"},{"SOURCE_ROW_NUMBER":"1047777","VIOLATION_NO":"8245165","VIOLATION_ISSUE_DT":"01/26/2011","SIG_SUB":"N","PART_SECTION":"75.1714-8(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/28/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-01-26"},{"SOURCE_ROW_NUMBER":"1047791","VIOLATION_NO":"8245559","VIOLATION_ISSUE_DT":"01/24/2011","SIG_SUB":"N","PART_SECTION":"70.209(c)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"Reckless","TERMINATION_DT":"06/10/2015","PROPOSED_PENALTY":"4000","AMOUNT_DUE":"4000","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-01-24"},{"SOURCE_ROW_NUMBER":"1047790","VIOLATION_NO":"8245558","VIOLATION_ISSUE_DT":"01/24/2011","SIG_SUB":"Y","PART_SECTION":"70.207(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"Reckless","TERMINATION_DT":"06/10/2015","PROPOSED_PENALTY":"5211","AMOUNT_DUE":"5211","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-01-24"},{"SOURCE_ROW_NUMBER":"1047789","VIOLATION_NO":"8245557","VIOLATION_ISSUE_DT":"01/21/2011","SIG_SUB":"Y","PART_SECTION":"75.202(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/28/2011","PROPOSED_PENALTY":"285","AMOUNT_DUE":"285","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-01-21"},{"SOURCE_ROW_NUMBER":"1047788","VIOLATION_NO":"8245556","VIOLATION_ISSUE_DT":"01/20/2011","SIG_SUB":"Y","PART_SECTION":"75.701","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/21/2011","PROPOSED_PENALTY":"285","AMOUNT_DUE":"285","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-01-20"}]}],"safety":{"href":"/api/v1/mines/1518699/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1518699/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","heading":"Sealing of mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711","part":"75","subchapter":"O","subpart":"R","id":"75.1711","citation":"30 CFR 75.1711","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":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1104","heading":"Accumulations of combustible materials.","id":"77.1104","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104","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":"L","subpartHeading":"Subpart L—Fire Protection","text":"Combustible materials, grease, lubricants, paints, or flammable liquids shall not be allowed to accumulate where they can create a fire hazard.","occurrenceCount":1},{"chapter":"I","heading":"Dust accumulations in surface installations.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.202","part":"77","subchapter":"O","subpart":"C","id":"77.202","citation":"30 CFR 77.202","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","heading":"Installation of main mine fans.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.310","part":"75","subchapter":"O","subpart":"D","id":"75.310","citation":"30 CFR 75.310","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":"Main mine fan operation.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.311","part":"75","subchapter":"O","subpart":"D","id":"75.311","citation":"30 CFR 75.311","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":"Reporting SCSR inventory and malfunctions; retention of SCSRs.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-8","part":"75","subchapter":"O","subpart":"R","id":"75.1714-8","citation":"30 CFR 75.1714-8","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 70.209","heading":"Quarterly sampling; designated areas.","id":"70.209","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-70/subpart-C/section-70.209","part":"70","partHeading":"PART 70—MANDATORY HEALTH STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Sampling Procedures","text":"As of April 14, 2025:\n\n(a) The operator shall sample quarterly each designated area (DA) on consecutive production shifts until five valid representative samples are taken. The quarterly periods are:\n\n(1) January 1-March 31\n\n(2) April 1-June 30\n\n(3) July 1-September 30\n\n(4) October 1-December 31.\n\n(b) [Reserved]\n\n(c) When a valid representative sample taken in accordance with this section meets or exceeds the ECV in table 1 to this section that corresponds to the particular sampling device used, the operator shall:\n\n(1) Make approved respiratory equipment available to affected miners in accordance with § 72.700 of this chapter;\n\n(2) Immediately take corrective action to lower the concentration of respirable dust to at or below the respirable dust standard; and\n\n(3) Make a record of the corrective actions taken. The record shall be certified by the mine foreman or equivalent mine official, no later than the end of the mine foreman's or equivalent official's next regularly scheduled working shift. The record 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. Such 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(d) Noncompliance with the standard is demonstrated during the sampling period when:\n\n(1) Two or more valid representative samples meet or exceed the ECV in table 1 to this section that corresponds to the particular sampling device used; or\n\n(2) The average for all valid representative samples meets or exceeds the ECV in table 1 to this section that corresponds to the particular sampling device used.\n\n(e) Unless otherwise directed by the District Manager, upon issuance of a citation for a violation of the standard, paragraph (a) of this section shall not apply to that DA until the violation is abated and the citation is terminated in accordance with paragraphs (e) and (f) of this section.\n\n(f) Upon issuance of a citation for a violation of the standard, the operator shall take the following actions sequentially:\n\n(1) Make approved respiratory equipment available to affected miners in accordance with § 72.700 of this chapter;\n\n(2) Immediately take corrective action to lower the concentration of respirable coal mine dust to at or below the standard; and\n\n(3) Make a record of the corrective actions taken. The record shall be certified by the mine foreman or equivalent mine official, no later than the end of the mine foreman's or equivalent official's next regularly scheduled working shift. The record 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. Such 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(4) Begin sampling, within 8 calendar days after the date the citation is issued, the environment of the affected DA on consecutive normal production shifts until five valid representative samples are taken.\n\n(g) A citation for a violation of the standard shall be terminated by MSHA when:\n\n(1) Each of the five valid representative samples is at or below the standard; and\n\n(2) The operator has submitted to the District Manager revised dust control parameters as part of the mine ventilation plan applicable to the DA in the citation, and the changes have been approved by the District Manager. The revised parameters shall reflect the control measures used by the operator to abate the violation.\n\nTable 1 to § 70.209—Excessive Concentration Values (ECV) Based on a Single Sample, Two Samples, or the Average of Five or Fifteen Full-Shift CMDPSU/CPDM Concentration Measurements Section Samples ECV (mg/m3) CMDPSU CPDM 70.209 (c) 70.100(a)—Single sample 1.79 1.70 70.100(b)—Single sample 0.74 0.57 70.209(d)(1) 70.100(a)—2 or more samples 1.79 1.70 70.100(b)—2 or more samples 0.74 0.57 70.209(d)(2) 70.100(a)—5 sample average 1.63 1.59 70.100(b)—5 sample average 0.61 0.53 70.209(d)(2) 70.100(a)—15 sample average 1.58 1.56 70.100(b)—15 sample average 0.57 0.52 70.209(g)(1) 70.100(a)—Each of 5 samples 1.79 1.70 70.100(b)—Each of 5 samples 0.74 0.57\n\n[89 FR 28475, 28476, Apr. 18, 2024]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.202","heading":"Protection from falls of roof, face and ribs.","id":"75.202","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Roof Support","text":"(a) The roof, face and ribs of areas where persons work or travel shall be supported or otherwise controlled to protect persons from hazards related to falls of the roof, face or ribs and coal or rock bursts.\n\n(b) No person shall work or travel under unsupported roof unless in accordance with this subpart.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.701","heading":"Grounding metallic frames, casings, and other enclosures of electric equipment.","id":"75.701","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-H/section-75.701","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"H","subpartHeading":"Subpart H—Grounding","text":"[Statutory Provisions]\n\nMetallic frames, casings, and other enclosures of electric equipment that can become “alive” through failure of insulation or by contact with energized parts shall be grounded by methods approved by an authorized representative of the Secretary.","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1518699","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}