{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4609179","name":"Broad Run Prep Plant","status":"Abandoned","status_date":"2021-08-05","mine_type":"Facility","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Mason","nearest_town":"New Haven","operator_id":"0066403","operator_name":"Big River Mining, LLC","controller_id":"0139901","controller_name":"Coal Field Transports, Inc.","district":"C03","office":"Bridgeport WV Field Office","employees":0,"latitude":38.968333,"longitude":-81.973333},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":145},"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":"4609179","name":"Broad Run Prep Plant"},"operator":{"type":"operator","id":"0066403","name":"Big River Mining, LLC"},"controller":{"type":"controller","id":"0139901","name":"Coal Field Transports, Inc."},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0055749","name":"Randel L  Richmond"},"object":{"type":"mine","id":"4609179","name":"Broad Run Prep Plant"},"validFrom":"2005-12-06","validTo":"2007-06-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609179|0055749|2005-12-06|2007-06-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0139901","name":"Coal Field Transports, Inc."},"object":{"type":"mine","id":"4609179","name":"Broad Run Prep Plant"},"validFrom":"2007-06-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609179|0139901|2007-06-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0100505","name":"Clearwater Processing LLC"},"object":{"type":"mine","id":"4609179","name":"Broad Run Prep Plant"},"validFrom":"2009-05-05","validTo":"2011-02-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609179|0100505|2009-05-05|2011-02-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0059869","name":"Foresight Energy/ Murray Energy et al"},"object":{"type":"mine","id":"4609179","name":"Broad Run Prep Plant"},"validFrom":"2009-05-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609179|0059869|2009-05-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0059869","name":"Foresight Energy/ Murray Energy et al"},"object":{"type":"operator","id":"0100505","name":"Clearwater Processing LLC"},"validFrom":"2009-05-05","validTo":"2011-02-15","current":false,"derived":true,"evidenceMineId":"4609179","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609179|0100505|2009-05-05|0059869|2009-05-05|7982"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0059869","name":"Coalfield Transport Inc et al"},"object":{"type":"operator","id":"0100505","name":"Clearwater Processing LLC"},"validFrom":"2009-05-05","validTo":"2011-02-15","current":false,"derived":true,"evidenceMineId":"4609179","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609179|0100505|2009-05-05|0059869|2009-05-05|7983"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0066403","name":"Big River Mining, LLC"},"object":{"type":"mine","id":"4609179","name":"Broad Run Prep Plant"},"validFrom":"2011-02-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609179|0066403|2011-02-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0055749","name":"Randel L  Richmond"},"object":{"type":"operator","id":"0066403","name":"Big River Mining, LLC"},"validFrom":"2011-02-16","validTo":"2007-06-27","current":false,"derived":true,"evidenceMineId":"4609179","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609179|0066403|2011-02-16|0055749|2005-12-06|7231"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0139901","name":"Coal Field Transports, Inc."},"object":{"type":"operator","id":"0066403","name":"Big River Mining, LLC"},"validFrom":"2011-02-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"4609179","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609179|0066403|2011-02-16|0139901|2007-06-28|28330"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2021-08-05","lastDate":"2021-08-05","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":12,"firstDate":"2009-09-14","lastDate":"2010-03-04","metrics":{"ss":4,"delinquent":12,"recentRows":0,"paidPenalty":1766,"proposedPenalty":2004,"currentAssessment":1766},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1682334","VIOLATION_NO":"8026701","ISSUE_DT":"03/04/2010","CFR_STANDARD_CD":"50.20(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":"2010-03-04"},{"SOURCE_ROW_NUMBER":"1682333","VIOLATION_NO":"8026696","ISSUE_DT":"03/02/2010","CFR_STANDARD_CD":"77.202","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-03-02"},{"SOURCE_ROW_NUMBER":"1682259","VIOLATION_NO":"8023050","ISSUE_DT":"09/30/2009","CFR_STANDARD_CD":"62.130(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":"2009-09-30"},{"SOURCE_ROW_NUMBER":"1682258","VIOLATION_NO":"8023049","ISSUE_DT":"09/25/2009","CFR_STANDARD_CD":"77.204","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-25"},{"SOURCE_ROW_NUMBER":"1682262","VIOLATION_NO":"8023103","ISSUE_DT":"09/14/2009","CFR_STANDARD_CD":"77.208(d)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"195.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"1682261","VIOLATION_NO":"8023102","ISSUE_DT":"09/14/2009","CFR_STANDARD_CD":"77.404(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"162.00","CURRENT_ASSESSMENT_AMT":"128.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"1682260","VIOLATION_NO":"8023101","ISSUE_DT":"09/14/2009","CFR_STANDARD_CD":"77.1109(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":"2009-09-14"},{"SOURCE_ROW_NUMBER":"1682257","VIOLATION_NO":"8023043","ISSUE_DT":"09/14/2009","CFR_STANDARD_CD":"77.502","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"1682256","VIOLATION_NO":"8023042","ISSUE_DT":"09/14/2009","CFR_STANDARD_CD":"75.320(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":"2009-09-14"},{"SOURCE_ROW_NUMBER":"1682255","VIOLATION_NO":"8023041","ISSUE_DT":"09/14/2009","CFR_STANDARD_CD":"77.400(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"195.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"1682254","VIOLATION_NO":"8023040","ISSUE_DT":"09/14/2009","CFR_STANDARD_CD":"77.502","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"540.00","CURRENT_ASSESSMENT_AMT":"432.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"1682253","VIOLATION_NO":"8020240","ISSUE_DT":"09/14/2009","CFR_STANDARD_CD":"77.1109(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":"2009-09-14"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":4,"firstDate":"2012-04-05","lastDate":"2012-04-05","metrics":{"appeals":0,"decisions":4,"recentRows":0,"decisionPenalty":950,"originalPenalty":1188},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"262202","VIOLATION_NO":"8023103","DOCKET_NO":"WEVA 2010-358","DECISION_DT":"04/05/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"243.00","DECISION_PENALTY_AMT":"195.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2012-04-05"},{"SOURCE_ROW_NUMBER":"261778","VIOLATION_NO":"8023102","DOCKET_NO":"WEVA 2010-358","DECISION_DT":"04/05/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"162.00","DECISION_PENALTY_AMT":"128.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2012-04-05"},{"SOURCE_ROW_NUMBER":"48939","VIOLATION_NO":"8023040","DOCKET_NO":"WEVA 2010-358","DECISION_DT":"04/05/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"540.00","DECISION_PENALTY_AMT":"432.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2012-04-05"},{"SOURCE_ROW_NUMBER":"48623","VIOLATION_NO":"8023041","DOCKET_NO":"WEVA 2010-358","DECISION_DT":"04/05/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"243.00","DECISION_PENALTY_AMT":"195.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2012-04-05"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":9,"firstDate":"2009-09-14","lastDate":"2010-03-04","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":0,"validSamples":9,"maxConcentration":1,"concentrationTotal":3.31},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1480527","CASS_NUM":"57833208","SMP_TAKEN_DT":"3/4/2010","CONC":"1","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CLEANING PLANT OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"543517","CASS_NUM":"57833167","SMP_TAKEN_DT":"3/4/2010","CONC":".363","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"161299","CASS_NUM":"57833129","SMP_TAKEN_DT":"3/4/2010","CONC":".533","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ELECTRICIAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"72265","CASS_NUM":"57833120","SMP_TAKEN_DT":"3/4/2010","CONC":".041","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"1573856","CASS_NUM":"57803179","SMP_TAKEN_DT":"9/14/2009","CONC":".35","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ELECTRICIAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"1368068","CASS_NUM":"57803137","SMP_TAKEN_DT":"9/14/2009","CONC":".133","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"1188299","CASS_NUM":"57803143","SMP_TAKEN_DT":"9/14/2009","CONC":".081","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CLEANING PLANT OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"758026","CASS_NUM":"57803198","SMP_TAKEN_DT":"9/14/2009","CONC":".053","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"142665","CASS_NUM":"57803150","SMP_TAKEN_DT":"9/14/2009","CONC":".756","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","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":"2009-09-14"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":4,"firstDate":"2009-09-14","lastDate":"2009-09-14","metrics":{"decisions":4,"ssChanged":0,"recentRows":0,"decisionPenalty":950,"proposedPenalty":1188},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"240197","CITATION_NO":"8023040","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"WEVA 2010-358","DECISION_DT":"04/05/2012","CFR_STANDARD_CODE":"77.502","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"540.00","DECISION_PENALTY_AMT":"432.00","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"183173","CITATION_NO":"8023041","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"WEVA 2010-358","DECISION_DT":"04/05/2012","CFR_STANDARD_CODE":"77.400(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"243.00","DECISION_PENALTY_AMT":"195.00","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"127508","CITATION_NO":"8023102","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"WEVA 2010-358","DECISION_DT":"04/05/2012","CFR_STANDARD_CODE":"77.404(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"162.00","DECISION_PENALTY_AMT":"128.00","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"127052","CITATION_NO":"8023103","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"WEVA 2010-358","DECISION_DT":"04/05/2012","CFR_STANDARD_CODE":"77.208(d)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"243.00","DECISION_PENALTY_AMT":"195.00","sourceDate":"2009-09-14"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":4,"firstDate":"2009-05-05","lastDate":"2011-02-16","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":22,"firstDate":"2009-09-13","lastDate":"2021-06-23","metrics":{"inspectors":24,"recentRows":2,"onSiteHours":86,"inspectionHours":183,"inspectionSamples":15},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"619065","EVENT_NO":"6282310","INSPECTION_BEGIN_DT":"06/23/2021","INSPECTION_END_DT":"06/23/2021","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2021-06-23"},{"SOURCE_ROW_NUMBER":"1062862","EVENT_NO":"6282302","INSPECTION_BEGIN_DT":"03/29/2021","INSPECTION_END_DT":"03/29/2021","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2021-03-29"},{"SOURCE_ROW_NUMBER":"700969","EVENT_NO":"6279111","INSPECTION_BEGIN_DT":"01/30/2019","INSPECTION_END_DT":"01/30/2019","ACTIVITY_CODE":"E24","ACTIVITY":"Other Technical Compliance Investigations","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2019-01-30"},{"SOURCE_ROW_NUMBER":"1143531","EVENT_NO":"6278090","INSPECTION_BEGIN_DT":"09/25/2018","INSPECTION_END_DT":"09/25/2018","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2018-09-25"},{"SOURCE_ROW_NUMBER":"8484","EVENT_NO":"6272414","INSPECTION_BEGIN_DT":"02/01/2018","INSPECTION_END_DT":"02/01/2018","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2018-02-01"},{"SOURCE_ROW_NUMBER":"892622","EVENT_NO":"6272441","INSPECTION_BEGIN_DT":"04/26/2017","INSPECTION_END_DT":"04/27/2017","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2017-04-26"},{"SOURCE_ROW_NUMBER":"570757","EVENT_NO":"6271989","INSPECTION_BEGIN_DT":"10/31/2016","INSPECTION_END_DT":"10/31/2016","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2016-10-31"},{"SOURCE_ROW_NUMBER":"664239","EVENT_NO":"6272074","INSPECTION_BEGIN_DT":"06/15/2016","INSPECTION_END_DT":"06/15/2016","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2016-06-15"},{"SOURCE_ROW_NUMBER":"78442","EVENT_NO":"6271790","INSPECTION_BEGIN_DT":"12/29/2015","INSPECTION_END_DT":"12/29/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2015-12-29"},{"SOURCE_ROW_NUMBER":"300242","EVENT_NO":"6267228","INSPECTION_BEGIN_DT":"09/18/2015","INSPECTION_END_DT":"09/18/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2015-09-18"},{"SOURCE_ROW_NUMBER":"1061359","EVENT_NO":"6266948","INSPECTION_BEGIN_DT":"11/12/2014","INSPECTION_END_DT":"11/12/2014","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2014-11-12"},{"SOURCE_ROW_NUMBER":"1126210","EVENT_NO":"6266964","INSPECTION_BEGIN_DT":"09/10/2014","INSPECTION_END_DT":"09/10/2014","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2014-09-10"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":59,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2021-Q1":{"hours":0,"employees":0,"production":0},"2020-Q4":{"hours":0,"employees":0,"production":0},"2020-Q3":{"hours":0,"employees":0,"production":0},"2020-Q2":{"hours":0,"employees":0,"production":0},"2020-Q1":{"hours":0,"employees":0,"production":0},"2019-Q4":{"hours":0,"employees":0,"production":0},"2019-Q3":{"hours":0,"employees":0,"production":0},"2019-Q2":{"hours":0,"employees":0,"production":0},"2019-Q1":{"hours":0,"employees":0,"production":0},"2018-Q4":{"hours":0,"employees":0,"production":0},"2018-Q3":{"hours":0,"employees":0,"production":0},"2018-Q2":{"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":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2008":{"hours":11014,"employees":7,"production":0},"2009":{"hours":14500,"employees":5,"production":0},"2010":{"hours":6896,"employees":5,"production":0}},"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":14,"firstDate":"2009-09-14","lastDate":"2010-03-04","metrics":{"recentRows":0,"doseOver100":4,"actDoseTotal":1133,"pelDoseTotal":879},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"258097","EVENT_NO":"6256153","SURVEY_DATE":"03/04/2010","OCCUPATION_CD_DESC":"CLEANING PLANT OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"018","ACT_DOSE_85":"73","PEL_DOSE_90":"63","SURVEY_TYPE":"I","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"258096","EVENT_NO":"6256153","SURVEY_DATE":"03/04/2010","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"36","PEL_DOSE_90":"11","SURVEY_TYPE":"I","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"258095","EVENT_NO":"6256153","SURVEY_DATE":"03/04/2010","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"063","ACT_DOSE_85":"15","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"258094","EVENT_NO":"6256153","SURVEY_DATE":"03/04/2010","OCCUPATION_CD_DESC":"CLEANUP MAN","MACHINE_CD":"40","MANUFACTURER_CD":"063","ACT_DOSE_85":"125","PEL_DOSE_90":"103","SURVEY_TYPE":"I","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"258093","EVENT_NO":"6256153","SURVEY_DATE":"03/04/2010","OCCUPATION_CD_DESC":"ELECTRICIAN","MACHINE_CD":"40","MANUFACTURER_CD":"063","ACT_DOSE_85":"82","PEL_DOSE_90":"64","SURVEY_TYPE":"I","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"258092","EVENT_NO":"6256153","SURVEY_DATE":"10/08/2009","OCCUPATION_CD_DESC":"ELECTRICIAN","ACT_DOSE_85":"69","PEL_DOSE_90":"54","SURVEY_TYPE":"I","sourceDate":"2009-10-08"},{"SOURCE_ROW_NUMBER":"258091","EVENT_NO":"6256153","SURVEY_DATE":"10/08/2009","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"68","PEL_DOSE_90":"56","SURVEY_TYPE":"I","sourceDate":"2009-10-08"},{"SOURCE_ROW_NUMBER":"258090","EVENT_NO":"6256153","SURVEY_DATE":"10/08/2009","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"90","PEL_DOSE_90":"71","SURVEY_TYPE":"I","sourceDate":"2009-10-08"},{"SOURCE_ROW_NUMBER":"258089","EVENT_NO":"6256153","SURVEY_DATE":"10/08/2009","OCCUPATION_CD_DESC":"UTILITY MAN","ACT_DOSE_85":"104","PEL_DOSE_90":"90","SURVEY_TYPE":"I","sourceDate":"2009-10-08"},{"SOURCE_ROW_NUMBER":"258088","EVENT_NO":"6256151","SURVEY_DATE":"09/14/2009","OCCUPATION_CD_DESC":"CLEANING PLANT OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"61","PEL_DOSE_90":"48","SURVEY_TYPE":"I","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"258087","EVENT_NO":"6256151","SURVEY_DATE":"09/14/2009","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"168","PEL_DOSE_90":"150","SURVEY_TYPE":"I","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"258086","EVENT_NO":"6256151","SURVEY_DATE":"09/14/2009","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"66","PEL_DOSE_90":"19","SURVEY_TYPE":"I","sourceDate":"2009-09-14"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":12,"firstDate":"2009-09-14","lastDate":"2010-03-04","metrics":{"ss":4,"amountDue":1766,"contested":4,"amountPaid":1766,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":2004},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2907053","VIOLATION_NO":"8026701","VIOLATION_ISSUE_DT":"03/04/2010","SIG_SUB":"N","PART_SECTION":"50.20(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"7","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/04/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-03-04"},{"SOURCE_ROW_NUMBER":"2907052","VIOLATION_NO":"8026696","VIOLATION_ISSUE_DT":"03/02/2010","SIG_SUB":"N","PART_SECTION":"77.202","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/04/2010","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2010-03-02"},{"SOURCE_ROW_NUMBER":"2907048","VIOLATION_NO":"8023050","VIOLATION_ISSUE_DT":"09/30/2009","SIG_SUB":"N","PART_SECTION":"62.130(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/08/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-09-30"},{"SOURCE_ROW_NUMBER":"2907047","VIOLATION_NO":"8023049","VIOLATION_ISSUE_DT":"09/25/2009","SIG_SUB":"N","PART_SECTION":"77.204","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/29/2009","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2009-09-25"},{"SOURCE_ROW_NUMBER":"2907051","VIOLATION_NO":"8023103","VIOLATION_ISSUE_DT":"09/14/2009","SIG_SUB":"Y","PART_SECTION":"77.208(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/14/2009","PROPOSED_PENALTY":"243","AMOUNT_DUE":"195","AMOUNT_PAID":"195","CONTESTED_IND":"Y","DOCKET_NO":"WEVA 2010-358","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"2907050","VIOLATION_NO":"8023102","VIOLATION_ISSUE_DT":"09/14/2009","SIG_SUB":"Y","PART_SECTION":"77.404(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/14/2009","PROPOSED_PENALTY":"162","AMOUNT_DUE":"128","AMOUNT_PAID":"128","CONTESTED_IND":"Y","DOCKET_NO":"WEVA 2010-358","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"2907049","VIOLATION_NO":"8023101","VIOLATION_ISSUE_DT":"09/14/2009","SIG_SUB":"N","PART_SECTION":"77.1109(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/14/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"2907046","VIOLATION_NO":"8023043","VIOLATION_ISSUE_DT":"09/14/2009","SIG_SUB":"N","PART_SECTION":"77.502","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/14/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"2907045","VIOLATION_NO":"8023042","VIOLATION_ISSUE_DT":"09/14/2009","SIG_SUB":"N","PART_SECTION":"75.320(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/14/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"2907044","VIOLATION_NO":"8023041","VIOLATION_ISSUE_DT":"09/14/2009","SIG_SUB":"Y","PART_SECTION":"77.400(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/14/2009","PROPOSED_PENALTY":"243","AMOUNT_DUE":"195","AMOUNT_PAID":"195","CONTESTED_IND":"Y","DOCKET_NO":"WEVA 2010-358","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"2907043","VIOLATION_NO":"8023040","VIOLATION_ISSUE_DT":"09/14/2009","SIG_SUB":"Y","PART_SECTION":"77.502","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/14/2009","PROPOSED_PENALTY":"540","AMOUNT_DUE":"432","AMOUNT_PAID":"432","CONTESTED_IND":"Y","DOCKET_NO":"WEVA 2010-358","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"2907042","VIOLATION_NO":"8020240","VIOLATION_ISSUE_DT":"09/14/2009","SIG_SUB":"N","PART_SECTION":"77.1109(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/14/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-09-14"}]}],"safety":{"href":"/api/v1/mines/4609179/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4609179/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":"Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20","part":"50","subchapter":"I","subpart":"C","id":"50.20","citation":"30 CFR 50.20","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"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","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 62.130","heading":"Permissible exposure level.","id":"62.130","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130","part":"62","partHeading":"PART 62—OCCUPATIONAL NOISE EXPOSURE","subchapter":"M","subchapterHeading":"SUBCHAPTER M—UNIFORM MINE HEALTH REGULATIONS","subpart":"","subpartHeading":"","text":"(a) The mine operator must assure that no miner is exposed during any work shift to noise that exceeds the permissible exposure level. If during any work shift a miner's noise exposure exceeds the permissible exposure level, the mine operator must use all feasible engineering and administrative controls to reduce the miner's noise exposure to the permissible exposure level, and enroll the miner in a hearing conservation program that complies with § 62.150 of this part. When a mine operator uses administrative controls to reduce a miner's exposure, the mine operator must post the procedures for such controls on the mine bulletin board and provide a copy to the affected miner.\n\n(b) If a miner's noise exposure continues to exceed the permissible exposure level despite the use of all feasible engineering and administrative controls, the mine operator must continue to use the engineering and administrative controls to reduce the miner's noise exposure to as low a level as is feasible.\n\n(c) The mine operator must assure that no miner is exposed at any time to sound levels exceeding 115 dBA, as determined without adjustment for the use of any hearing protector.","occurrenceCount":1},{"chapter":"I","heading":"Openings in surface installations; safeguards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.204","part":"77","subchapter":"O","subpart":"C","id":"77.204","citation":"30 CFR 77.204","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 77.208","heading":"Storage of materials.","id":"77.208","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208","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":"C","subpartHeading":"Subpart C—Surface Installations","text":"(a) Materials shall be stored and stacked in a manner which minimizes stumbling or fall-of-material hazards.\n\n(b) Materials that can create hazards if accidentally liberated from their containers shall be stored in a manner that minimizes the dangers.\n\n(c) Containers holding hazardous materials must be of a type approved for such use by recognized agencies.\n\n(d) Compressed and liquid gas cylinders shall be secured in a safe manner.\n\n(e) Valves on compressed gas cylinders shall be protected by covers when being transported or stored, and by a safe location when the cylinders are in use.\n\n[36 FR 9364, May 22, 1971, as amended at 67 FR 42389, June 21, 2002]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.404","heading":"Machinery and equipment; operation and maintenance.","id":"77.404","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404","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 and stationary machinery and equipment shall be maintained in safe operating condition and machinery or equipment in unsafe condition shall be removed from service immediately.\n\n(b) Machinery and equipment shall be operated only by persons trained in the use of and authorized to operate such machinery or equipment.\n\n(c) Repairs or maintenance shall not be performed on machinery until the power is off and the machinery is blocked against motion, except where machinery motion is necessary to make adjustments.\n\n(d) Machinery shall not be lubricated while in motion where a hazard exists, unless equipped with extended fittings or cups.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1109","heading":"Quantity and location of firefighting equipment.","id":"77.1109","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109","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":"Preparation plants, dryer plants, tipples, drawoff tunnels, shops, and other surface installations shall be equipped with the following firefighting equipment.\n\n(a) Each structure presenting a fire hazard shall be provided with portable fire extinguishers commensurate with the potential fire hazard at the structure in accordance with the recommendations of the National Fire Protection Association.\n\n(b) Preparation plants shall be equipped with waterlines, with outlet valves on each floor, and with sufficient fire hose to project a water stream to any point in the plant. However, where freezing conditions exist or water is not available, a 125-pound multipurpose dry powder extinguisher may be substituted for the purposes of this paragraph (b) for each 2,500 square feet of floor space in a wooden or other flammable structure, or for each 5,000 square feet of floor space in a metal, concrete-block, or other type of non-flammable construction.\n\n(c)(1) Mobile equipment, including trucks, front-end loaders, bulldozers, portable welding units, and augers, shall be equipped with at least one portable fire extinguisher.\n\n(2) Power shovels, draglines, and other large equipment shall be equipped with at least one portable fire extinguisher; however, additional fire extinguishers may be required by an authorized representative of the Secretary.\n\n(3) Auxiliary equipment such as portable drills, sweepers, and scrapers, when operated more than 600 feet from equipment required to have portable fire extinguishers, shall be equipped with at least one fire extinguisher.\n\n(d) Fire extinguishers shall be provided at permanent electrical installations commensurate with the potential fire hazard at such installation in accordance with the recommendations of the National Fire Protection Association.\n\n(e) Two portable fire extinguishers, or the equivalent, shall be provided at each of the following combustible liquid storage installations:\n\n(1) Near each above ground or unburied combustible liquid storage station; and,\n\n(2) Near the transfer pump of each buried combustible liquid storage tank.\n\n(f) Vehicles transporting explosives and blasting agents shall be equipped with fire protection as recommended in Code 495, section 20, National Fire Protection Association Handbook, 12th Edition, 1962.","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.502","heading":"Electric equipment; examination, testing, and maintenance.","id":"77.502","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502","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":"Electric equipment shall be frequently examined, tested, and properly maintained by a qualified person to assure safe operating conditions. When a potentially dangerous condition is found on electric equipment, such equipment shall be removed from service until such condition is corrected. A record of such examinations shall be kept.","occurrenceCount":2},{"chapter":"I","heading":"Air quality detectors and measurement devices.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.320","part":"75","subchapter":"O","subpart":"D","id":"75.320","citation":"30 CFR 75.320","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 77.400","heading":"Mechanical equipment guards.","id":"77.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400","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) Gears; sprockets; chains; drive, head, tail, and takeup pulleys; flywheels; couplings; shafts; sawblades; fan inlets; and similar exposed moving machine parts which may be contacted by persons, and which may cause injury to persons shall be guarded.\n\n(b) Overhead belts shall be guarded if the whipping action from a broken line would be hazardous to persons below.\n\n(c) Guards at conveyor-drive, conveyor-head, and conveyor-tail pulleys shall extend a distance sufficient to prevent a person from reaching behind the guard and becoming caught between the belt and the pulley.\n\n(d) Except when testing the machinery, guards shall be securely in place while machinery is being operated.","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4609179","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}