{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1519902","name":"Mine No.1","status":"Abandoned","status_date":"2023-09-18","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Pike","nearest_town":"PHELPS","operator_id":"0181673","operator_name":"Lazarus Coal, LLC","controller_id":"0184641","controller_name":"Toni  Akers","district":"C05","office":"Pikeville KY Field Office","employees":0,"latitude":37.483056,"longitude":-82.203889},"coverage":{"contributingSources":16,"registeredSources":20,"sourceRows":738},"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":"1519902","name":"Mine No.1"},"operator":{"type":"operator","id":"0181673","name":"Lazarus Coal, LLC"},"controller":{"type":"controller","id":"0184641","name":"Toni  Akers"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15981","name":"Ryan  Johns"},"object":{"type":"mine","id":"1519902","name":"Mine No.1"},"validFrom":"2021-05-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519902|C15981|2021-05-03|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0176313","name":"Northstar Sustainable Energy LLC"},"object":{"type":"mine","id":"1519902","name":"Mine No.1"},"validFrom":"2021-05-19","validTo":"2022-03-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519902|0176313|2021-05-19|2022-03-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15981","name":"Ryan  Johns"},"object":{"type":"operator","id":"0176313","name":"Northstar Sustainable Energy LLC"},"validFrom":"2021-05-19","validTo":"2022-03-27","current":false,"derived":true,"evidenceMineId":"1519902","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519902|0176313|2021-05-19|C15981|2021-05-03|97908"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0181673","name":"Lazarus Coal, LLC"},"object":{"type":"mine","id":"1519902","name":"Mine No.1"},"validFrom":"2022-03-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519902|0181673|2022-03-28|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0167881","name":"Vikki D Akers et al"},"object":{"type":"mine","id":"1519902","name":"Mine No.1"},"validFrom":"2022-03-28","validTo":"2024-05-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519902|0167881|2022-03-28|2024-05-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0167881","name":"Vikki D Akers et al"},"object":{"type":"operator","id":"0181673","name":"Lazarus Coal, LLC"},"validFrom":"2022-03-28","validTo":"2024-05-13","current":false,"derived":true,"evidenceMineId":"1519902","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519902|0181673|2022-03-28|0167881|2022-03-28|35393"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0167881","name":"Toni K Akers et al"},"object":{"type":"operator","id":"0181673","name":"Lazarus Coal, LLC"},"validFrom":"2022-03-28","validTo":"2024-05-13","current":false,"derived":true,"evidenceMineId":"1519902","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519902|0181673|2022-03-28|0167881|2022-03-28|35394"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0184641","name":"Toni  Akers"},"object":{"type":"mine","id":"1519902","name":"Mine No.1"},"validFrom":"2024-05-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519902|0184641|2024-05-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0184641","name":"Toni  Akers"},"object":{"type":"operator","id":"0181673","name":"Lazarus Coal, LLC"},"validFrom":"2024-05-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519902","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519902|0181673|2022-03-28|0184641|2024-05-14|39371"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"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":"2023-09-18","lastDate":"2023-09-18","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":125,"firstDate":"2022-05-24","lastDate":"2023-08-10","metrics":{"ss":24,"delinquent":125,"recentRows":125,"paidPenalty":8612,"proposedPenalty":22494,"currentAssessment":21801},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1406877","VIOLATION_NO":"8288298","ISSUE_DT":"08/10/2023","CFR_STANDARD_CD":"77.410(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"214.00","CURRENT_ASSESSMENT_AMT":"214.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"1406876","VIOLATION_NO":"8288297","ISSUE_DT":"08/10/2023","CFR_STANDARD_CD":"75.312(e)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"1406875","VIOLATION_NO":"8288270","ISSUE_DT":"07/14/2023","CFR_STANDARD_CD":"75.512-2","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"214.00","CURRENT_ASSESSMENT_AMT":"214.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-07-14"},{"SOURCE_ROW_NUMBER":"1406874","VIOLATION_NO":"8288269","ISSUE_DT":"07/14/2023","CFR_STANDARD_CD":"75.1100-2(e)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-07-14"},{"SOURCE_ROW_NUMBER":"1406878","VIOLATION_NO":"8310234","ISSUE_DT":"07/12/2023","CFR_STANDARD_CD":"75.1911(i)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-07-12"},{"SOURCE_ROW_NUMBER":"1406851","VIOLATION_NO":"8288266","ISSUE_DT":"06/20/2023","CFR_STANDARD_CD":"75.512","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-06-20"},{"SOURCE_ROW_NUMBER":"1406850","VIOLATION_NO":"8288265","ISSUE_DT":"06/20/2023","CFR_STANDARD_CD":"75.515","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-06-20"},{"SOURCE_ROW_NUMBER":"1406849","VIOLATION_NO":"8288264","ISSUE_DT":"06/20/2023","CFR_STANDARD_CD":"75.1403","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"834.00","CURRENT_ASSESSMENT_AMT":"834.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-06-20"},{"SOURCE_ROW_NUMBER":"1406848","VIOLATION_NO":"8288263","ISSUE_DT":"06/20/2023","CFR_STANDARD_CD":"75.1714(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-06-20"},{"SOURCE_ROW_NUMBER":"1406847","VIOLATION_NO":"8288261","ISSUE_DT":"06/14/2023","CFR_STANDARD_CD":"75.1100-3","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-06-14"},{"SOURCE_ROW_NUMBER":"1406846","VIOLATION_NO":"8288260","ISSUE_DT":"06/14/2023","CFR_STANDARD_CD":"75.342(a)(4)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-06-14"},{"SOURCE_ROW_NUMBER":"1406845","VIOLATION_NO":"8288253","ISSUE_DT":"06/07/2023","CFR_STANDARD_CD":"75.1100-2(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2023-06-07"}]},{"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":"2023-04-19","lastDate":"2023-10-20","metrics":{"appeals":0,"decisions":4,"recentRows":4,"decisionPenalty":1606,"originalPenalty":2299},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"153825","VIOLATION_NO":"8311307","DOCKET_NO":"KENT 2023-0026","DECISION_DT":"10/20/2023","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"987.00","DECISION_PENALTY_AMT":"690.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2023-10-20"},{"SOURCE_ROW_NUMBER":"436424","VIOLATION_NO":"8311913","DOCKET_NO":"KENT 2023-0025","DECISION_DT":"10/17/2023","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"492.00","DECISION_PENALTY_AMT":"210.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2023-10-17"},{"SOURCE_ROW_NUMBER":"436423","VIOLATION_NO":"8311316","DOCKET_NO":"KENT 2023-0025","DECISION_DT":"10/17/2023","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"442.00","DECISION_PENALTY_AMT":"442.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2023-10-17"},{"SOURCE_ROW_NUMBER":"434728","VIOLATION_NO":"9875586","DOCKET_NO":"KENT 2022-0123","DECISION_DT":"04/19/2023","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"378.00","DECISION_PENALTY_AMT":"264.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2023-04-19"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":325,"firstDate":"2021-09-14","lastDate":"2023-08-30","metrics":{"recentRows":325,"cpdmSamples":264,"voidSamples":105,"validSamples":220,"maxConcentration":7.861,"concentrationTotal":95.971},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2580903","SMP_TAKEN_DT":"8/30/2023","CONC":".175","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"MINE NOT IN PRODUCING STATUS","OCC_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-08-30"},{"SOURCE_ROW_NUMBER":"2662541","SMP_TAKEN_DT":"6/6/2023","CONC":".268","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-06-06"},{"SOURCE_ROW_NUMBER":"2492289","SMP_TAKEN_DT":"6/2/2023","CONC":".295","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-06-02"},{"SOURCE_ROW_NUMBER":"3003321","SMP_TAKEN_DT":"6/1/2023","CONC":".025","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"UNREPRESENTATIVE SAMPLE","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-06-01"},{"SOURCE_ROW_NUMBER":"2918176","SMP_TAKEN_DT":"6/1/2023","CONC":"2.163","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID WORKSHIFT","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-06-01"},{"SOURCE_ROW_NUMBER":"2919053","SMP_TAKEN_DT":"5/31/2023","CONC":"1.082","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID INITIAL WEIGHT","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-05-31"},{"SOURCE_ROW_NUMBER":"2491433","SMP_TAKEN_DT":"5/31/2023","CONC":".032","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"UNREPRESENTATIVE SAMPLE","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-05-31"},{"SOURCE_ROW_NUMBER":"1725280","SMP_TAKEN_DT":"5/30/2023","CONC":".092","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-05-30"},{"SOURCE_ROW_NUMBER":"2663219","SMP_TAKEN_DT":"5/25/2023","CONC":".344","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-05-25"},{"SOURCE_ROW_NUMBER":"2577881","SMP_TAKEN_DT":"5/24/2023","CONC":".148","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-05-24"},{"SOURCE_ROW_NUMBER":"2065940","SMP_TAKEN_DT":"5/23/2023","CONC":".147","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID PRODUCTION","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-05-23"},{"SOURCE_ROW_NUMBER":"2577954","SMP_TAKEN_DT":"5/22/2023","CONC":".042","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"UNREPRESENTATIVE SAMPLE","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2023-05-22"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":9,"firstDate":"2022-11-17","lastDate":"2022-11-17","metrics":{"linkedIssuances":9},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":4,"firstDate":"2022-06-09","lastDate":"2022-10-04","metrics":{"decisions":4,"ssChanged":0,"recentRows":4,"decisionPenalty":1606,"proposedPenalty":2299},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"389798","CITATION_NO":"8311316","CITATION_ISSUE_DT":"10/04/2022","DOCKET_NO":"KENT 2023-0025","DECISION_DT":"10/17/2023","CFR_STANDARD_CODE":"75.604(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"442.00","DECISION_PENALTY_AMT":"442.00","sourceDate":"2022-10-04"},{"SOURCE_ROW_NUMBER":"277056","CITATION_NO":"8311913","CITATION_ISSUE_DT":"09/20/2022","DOCKET_NO":"KENT 2023-0025","DECISION_DT":"10/17/2023","CFR_STANDARD_CODE":"75.1732(b)(1)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"492.00","DECISION_PENALTY_AMT":"210.00","sourceDate":"2022-09-20"},{"SOURCE_ROW_NUMBER":"49368","CITATION_NO":"8311307","CITATION_ISSUE_DT":"09/14/2022","DOCKET_NO":"KENT 2023-0026","DECISION_DT":"10/20/2023","CFR_STANDARD_CODE":"75.1714-3(e)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"987.00","DECISION_PENALTY_AMT":"690.00","sourceDate":"2022-09-14"},{"SOURCE_ROW_NUMBER":"218087","CITATION_NO":"9875586","CITATION_ISSUE_DT":"06/09/2022","DOCKET_NO":"KENT 2022-0123","DECISION_DT":"04/19/2023","CFR_STANDARD_CODE":"75.1722(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"378.00","DECISION_PENALTY_AMT":"264.00","sourceDate":"2022-06-09"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":48,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"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":14,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"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":4,"firstDate":"2021-05-19","lastDate":"2022-03-28","metrics":{"recentRows":4,"currentOperatorTenures":3,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":14,"firstDate":"2021-09-07","lastDate":"2023-07-05","metrics":{"inspectors":55,"recentRows":14,"onSiteHours":708.25,"inspectionHours":1263.25,"inspectionSamples":51},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"928853","EVENT_NO":"4424751","INSPECTION_BEGIN_DT":"07/05/2023","INSPECTION_END_DT":"09/05/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"4","SUM_TOTAL_INSP_HOURS":"57","SUM_TOTAL_ON_SITE_HOURS":"24","sourceDate":"2023-07-05"},{"SOURCE_ROW_NUMBER":"541872","EVENT_NO":"4424745","INSPECTION_BEGIN_DT":"04/03/2023","INSPECTION_END_DT":"06/28/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"194","SUM_TOTAL_ON_SITE_HOURS":"126.5","sourceDate":"2023-04-03"},{"SOURCE_ROW_NUMBER":"273729","EVENT_NO":"4411723","INSPECTION_BEGIN_DT":"01/04/2023","INSPECTION_END_DT":"03/30/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"9","SUM_TOTAL_INSP_HOURS":"272.25","SUM_TOTAL_ON_SITE_HOURS":"156","sourceDate":"2023-01-04"},{"SOURCE_ROW_NUMBER":"189194","EVENT_NO":"4422705","INSPECTION_BEGIN_DT":"12/20/2022","INSPECTION_END_DT":"01/20/2023","ACTIVITY_CODE":"E22","ACTIVITY":"Health Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18.5","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2022-12-20"},{"SOURCE_ROW_NUMBER":"673805","EVENT_NO":"6398950","INSPECTION_BEGIN_DT":"10/03/2022","INSPECTION_END_DT":"12/22/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"10","SUM_TOTAL_INSP_HOURS":"223.25","SUM_TOTAL_ON_SITE_HOURS":"133.75","sourceDate":"2022-10-03"},{"SOURCE_ROW_NUMBER":"127983","EVENT_NO":"4417423","INSPECTION_BEGIN_DT":"07/12/2022","INSPECTION_END_DT":"09/28/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"10","SUM_TOTAL_INSP_HOURS":"195","SUM_TOTAL_ON_SITE_HOURS":"110.25","sourceDate":"2022-07-12"},{"SOURCE_ROW_NUMBER":"457705","EVENT_NO":"4417418","INSPECTION_BEGIN_DT":"04/11/2022","INSPECTION_END_DT":"06/29/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"8","SUM_TOTAL_INSP_HOURS":"179","SUM_TOTAL_ON_SITE_HOURS":"102.5","sourceDate":"2022-04-11"},{"SOURCE_ROW_NUMBER":"212336","EVENT_NO":"4414575","INSPECTION_BEGIN_DT":"03/31/2022","INSPECTION_END_DT":"03/31/2022","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2022-03-31"},{"SOURCE_ROW_NUMBER":"1146489","EVENT_NO":"4414574","INSPECTION_BEGIN_DT":"03/21/2022","INSPECTION_END_DT":"03/21/2022","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2022-03-21"},{"SOURCE_ROW_NUMBER":"1112266","EVENT_NO":"4424703","INSPECTION_BEGIN_DT":"02/28/2022","INSPECTION_END_DT":"04/06/2022","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"4","SUM_TOTAL_INSP_HOURS":"61.25","SUM_TOTAL_ON_SITE_HOURS":"20.75","sourceDate":"2022-02-28"},{"SOURCE_ROW_NUMBER":"599774","EVENT_NO":"4414572","INSPECTION_BEGIN_DT":"02/09/2022","INSPECTION_END_DT":"02/09/2022","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2022-02-09"},{"SOURCE_ROW_NUMBER":"939589","EVENT_NO":"4414571","INSPECTION_BEGIN_DT":"01/05/2022","INSPECTION_END_DT":"01/05/2022","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2022-01-05"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":18,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2023-Q3":{"hours":2993,"employees":5,"production":0},"2023-Q2":{"hours":12394,"employees":31,"production":3305},"2023-Q1":{"hours":15616,"employees":32,"production":6064},"2022-Q4":{"hours":14996,"employees":30,"production":7841},"2022-Q3":{"hours":12062,"employees":21,"production":8715},"2022-Q2":{"hours":6777,"employees":14,"production":4683}},"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":{"2022":{"hours":33835,"employees":22,"production":21239},"2023":{"hours":31003,"employees":32,"production":9369}},"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":17,"firstDate":"2021-09-14","lastDate":"2023-05-19","metrics":{"recentRows":17,"doseOver100":3,"actDoseTotal":1194,"pelDoseTotal":944},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"116347","EVENT_NO":"4424745","SURVEY_DATE":"05/19/2023","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","ACT_DOSE_85":"192","PEL_DOSE_90":"182","SURVEY_TYPE":"I","sourceDate":"2023-05-19"},{"SOURCE_ROW_NUMBER":"116344","EVENT_NO":"4424745","SURVEY_DATE":"05/18/2023","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","ACT_DOSE_85":"16","PEL_DOSE_90":"8","SURVEY_TYPE":"I","sourceDate":"2023-05-18"},{"SOURCE_ROW_NUMBER":"116350","EVENT_NO":"4424745","SURVEY_DATE":"05/05/2023","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","ACT_DOSE_85":"84","PEL_DOSE_90":"66","SURVEY_TYPE":"I","sourceDate":"2023-05-05"},{"SOURCE_ROW_NUMBER":"116349","EVENT_NO":"4424745","SURVEY_DATE":"05/05/2023","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","ACT_DOSE_85":"140","PEL_DOSE_90":"122","SURVEY_TYPE":"I","sourceDate":"2023-05-05"},{"SOURCE_ROW_NUMBER":"116348","EVENT_NO":"4424745","SURVEY_DATE":"05/05/2023","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","ACT_DOSE_85":"94","PEL_DOSE_90":"74","SURVEY_TYPE":"I","sourceDate":"2023-05-05"},{"SOURCE_ROW_NUMBER":"116346","EVENT_NO":"4424745","SURVEY_DATE":"05/05/2023","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","ACT_DOSE_85":"75","PEL_DOSE_90":"55","SURVEY_TYPE":"I","sourceDate":"2023-05-05"},{"SOURCE_ROW_NUMBER":"116345","EVENT_NO":"4424745","SURVEY_DATE":"05/05/2023","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","ACT_DOSE_85":"257","PEL_DOSE_90":"247","SURVEY_TYPE":"I","sourceDate":"2023-05-05"},{"SOURCE_ROW_NUMBER":"116343","EVENT_NO":"4424745","SURVEY_DATE":"05/05/2023","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"40","ACT_DOSE_85":"41","PEL_DOSE_90":"18","SURVEY_TYPE":"I","sourceDate":"2023-05-05"},{"SOURCE_ROW_NUMBER":"116351","EVENT_NO":"6398950","SURVEY_DATE":"12/01/2022","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","ACT_DOSE_85":"24","PEL_DOSE_90":"15","SURVEY_TYPE":"I","sourceDate":"2022-12-01"},{"SOURCE_ROW_NUMBER":"116340","EVENT_NO":"4417423","SURVEY_DATE":"09/08/2022","OCCUPATION_CD_DESC":"ELECTRICIAN","MACHINE_CD":"40","ACT_DOSE_85":"22","PEL_DOSE_90":"13","SURVEY_TYPE":"I","sourceDate":"2022-09-08"},{"SOURCE_ROW_NUMBER":"116339","EVENT_NO":"4417423","SURVEY_DATE":"09/08/2022","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"40","ACT_DOSE_85":"47","PEL_DOSE_90":"30","SURVEY_TYPE":"I","sourceDate":"2022-09-08"},{"SOURCE_ROW_NUMBER":"116338","EVENT_NO":"4417423","SURVEY_DATE":"09/08/2022","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","ACT_DOSE_85":"48","PEL_DOSE_90":"29","SURVEY_TYPE":"I","sourceDate":"2022-09-08"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":18,"firstDate":"2022-06-09","lastDate":"2023-04-04","metrics":{"recentRows":18,"voidSamples":0,"maxQuartzPct":27.6,"validSamples":18,"quartzPctTotal":216},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"164182","CASSETTE_NO":"58455020","SAMPLE_DT":"04/04/2023","QUARTZ_PCT":"10.9","QUARTZ_MICROGRAMS":"35","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-04-04"},{"SOURCE_ROW_NUMBER":"152410","CASSETTE_NO":"58454427","SAMPLE_DT":"04/04/2023","QUARTZ_PCT":"12.5","QUARTZ_MICROGRAMS":"22","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-04-04"},{"SOURCE_ROW_NUMBER":"29966","CASSETTE_NO":"58454748","SAMPLE_DT":"03/02/2023","QUARTZ_PCT":"18.1","QUARTZ_MICROGRAMS":"97","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-03-02"},{"SOURCE_ROW_NUMBER":"155785","CASSETTE_NO":"58455315","SAMPLE_DT":"02/23/2023","QUARTZ_PCT":"14.6","QUARTZ_MICROGRAMS":"24","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-02-23"},{"SOURCE_ROW_NUMBER":"152892","CASSETTE_NO":"58455325","SAMPLE_DT":"02/23/2023","QUARTZ_PCT":"11.2","QUARTZ_MICROGRAMS":"29","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-02-23"},{"SOURCE_ROW_NUMBER":"99034","CASSETTE_NO":"58454765","SAMPLE_DT":"02/23/2023","QUARTZ_PCT":"13.3","QUARTZ_MICROGRAMS":"31","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-02-23"},{"SOURCE_ROW_NUMBER":"60433","CASSETTE_NO":"58455328","SAMPLE_DT":"02/23/2023","QUARTZ_PCT":"10.4","QUARTZ_MICROGRAMS":"39","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-02-23"},{"SOURCE_ROW_NUMBER":"111851","CASSETTE_NO":"58405973","SAMPLE_DT":"10/04/2022","QUARTZ_PCT":"12.7","QUARTZ_MICROGRAMS":"73","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2022-10-04"},{"SOURCE_ROW_NUMBER":"99937","CASSETTE_NO":"58405991","SAMPLE_DT":"10/04/2022","QUARTZ_PCT":"13.6","QUARTZ_MICROGRAMS":"45","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2022-10-04"},{"SOURCE_ROW_NUMBER":"80658","CASSETTE_NO":"58405966","SAMPLE_DT":"10/04/2022","QUARTZ_PCT":"13.7","QUARTZ_MICROGRAMS":"73","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2022-10-04"},{"SOURCE_ROW_NUMBER":"13717","CASSETTE_NO":"58406320","SAMPLE_DT":"10/04/2022","QUARTZ_PCT":"27.6","QUARTZ_MICROGRAMS":"215","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2022-10-04"},{"SOURCE_ROW_NUMBER":"76683","CASSETTE_NO":"58406197","SAMPLE_DT":"09/14/2022","QUARTZ_PCT":"04.3","QUARTZ_MICROGRAMS":"17","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2022-09-14"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":130,"firstDate":"2022-05-24","lastDate":"2023-08-10","metrics":{"ss":23,"amountDue":21801,"contested":0,"amountPaid":8612,"recentRows":130,"section104d":0,"unterminated":2,"proposedPenalty":22494},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1205971","VIOLATION_NO":"8288298","VIOLATION_ISSUE_DT":"08/10/2023","SIG_SUB":"N","PART_SECTION":"77.410(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/17/2023","PROPOSED_PENALTY":"214","AMOUNT_DUE":"214","AMOUNT_PAID":"214","CONTESTED_IND":"N","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"1205970","VIOLATION_NO":"8288297","VIOLATION_ISSUE_DT":"08/10/2023","SIG_SUB":"N","PART_SECTION":"75.312(e)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/10/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"1205969","VIOLATION_NO":"8288270","VIOLATION_ISSUE_DT":"07/14/2023","SIG_SUB":"N","PART_SECTION":"75.512-2","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"07/18/2023","PROPOSED_PENALTY":"214","AMOUNT_DUE":"214","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2023-07-14"},{"SOURCE_ROW_NUMBER":"1205968","VIOLATION_NO":"8288269","VIOLATION_ISSUE_DT":"07/14/2023","SIG_SUB":"N","PART_SECTION":"75.1100-2(e)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/14/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2023-07-14"},{"SOURCE_ROW_NUMBER":"1205972","VIOLATION_NO":"8310234","VIOLATION_ISSUE_DT":"07/12/2023","SIG_SUB":"N","PART_SECTION":"75.1911(i)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/12/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2023-07-12"},{"SOURCE_ROW_NUMBER":"1205952","VIOLATION_NO":"8288267","VIOLATION_ISSUE_DT":"06/28/2023","PART_SECTION":"75.220(a)(1)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"10/02/2023","CONTESTED_IND":"N","sourceDate":"2023-06-28"},{"SOURCE_ROW_NUMBER":"1205951","VIOLATION_NO":"8288266","VIOLATION_ISSUE_DT":"06/20/2023","SIG_SUB":"N","PART_SECTION":"75.512","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/21/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2023-06-20"},{"SOURCE_ROW_NUMBER":"1205950","VIOLATION_NO":"8288265","VIOLATION_ISSUE_DT":"06/20/2023","SIG_SUB":"N","PART_SECTION":"75.515","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/21/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2023-06-20"},{"SOURCE_ROW_NUMBER":"1205949","VIOLATION_NO":"8288264","VIOLATION_ISSUE_DT":"06/20/2023","SIG_SUB":"Y","PART_SECTION":"75.1403","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"06/21/2023","PROPOSED_PENALTY":"834","AMOUNT_DUE":"834","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2023-06-20"},{"SOURCE_ROW_NUMBER":"1205948","VIOLATION_NO":"8288263","VIOLATION_ISSUE_DT":"06/20/2023","SIG_SUB":"N","PART_SECTION":"75.1714(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/20/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2023-06-20"},{"SOURCE_ROW_NUMBER":"1205947","VIOLATION_NO":"8288261","VIOLATION_ISSUE_DT":"06/14/2023","SIG_SUB":"N","PART_SECTION":"75.1100-3","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/14/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2023-06-14"},{"SOURCE_ROW_NUMBER":"1205946","VIOLATION_NO":"8288260","VIOLATION_ISSUE_DT":"06/14/2023","SIG_SUB":"N","PART_SECTION":"75.342(a)(4)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/14/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2023-06-14"}]}],"safety":{"href":"/api/v1/mines/1519902/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1519902/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 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":1},{"chapter":"I","heading":"Main mine fan examinations and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.312","part":"75","subchapter":"O","subpart":"D","id":"75.312","citation":"30 CFR 75.312","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 75.512-2","heading":"Frequency of examinations.","id":"75.512-2","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512-2","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":"The examinations and tests required by § 75.512 shall be made at least weekly. Permissible equipment shall be examined to see that it is in permissible condition.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1100-2","heading":"Quantity and location of firefighting equipment.","id":"75.1100-2","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-2","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"(a) Working sections. (1) Each working section of coal mines producing 300 tons or more per shift shall be provided with two portable fire extinguishers and 240 pounds of rock dust in bags or other suitable containers; waterlines shall extend to each section loading point and be equipped with enough fire hose to reach each working face unless the section loading point is provided with one of the following:\n\n(i) Two portable water cars; or\n\n(ii) Two portable chemical cars; or\n\n(iii) One portable water car or one portable chemical car, and either (a) a portable foam-generating machine or (b) a portable high-pressure rock-dusting machine fitted with at least 250 feet of hose and supplied with at least 60 sacks of rock dust.\n\n(2) Each working section of coal mines producing less than 300 tons of coal per shift shall be provided with the following:\n\n(i) Two portable fire extinguishers; and\n\n(ii) 240 pounds of rock dust in bags or other suitable containers; and\n\n(iii) At least 500 gallons of water and at least three pails of 10-quart capacity; or a waterline with sufficient hose to reach the working places; or a portable water car of at least 500-gallons capacity; or a portable, all-purpose, dry-powder chemical car of at least 125-pounds capacity.\n\n(3) As an alternative to paragraph (a)(2) of this section, each working section with no electrical equipment at the face of an anthracite coal mine producing less than 300 tons of coal per shift shall be provided with the following:\n\n(i) Portable fire extinguishers containing a total capacity of at least 30 pounds of dry chemical or 15 gallons of foam and located at the entrance to the gangway at the bottom of the slope; and\n\n(ii) Portable fire extinguishers containing a total capacity of at least 20 pounds of dry chemical or 10 gallons of foam and located within 500 feet from the working face.\n\n(b) Belt conveyors. In all coal mines, waterlines shall be installed parallel to the entire length of belt conveyors and shall be equipped with firehose outlets with valves at 300-foot intervals along each belt conveyor and at tailpieces. At least 500 feet of firehose with fittings suitable for connection with each belt conveyor waterline system shall be stored at strategic locations along the belt conveyor. Waterlines may be installed in entries adjacent to the conveyor entry belt as long as the outlets project into the belt conveyor entry.\n\n(c) Haulage tracks. (1) In mines producing 300 tons of coal or more per shift waterlines shall be installed parallel to all haulage tracks using mechanized equipment in the track or adjacent entry and shall extend to the loading point of each working section. Waterlines shall be equipped with outlet valves at intervals of not more than 500 feet, and 500 feet of firehose with fittings suitable for connection with such waterlines shall be provided at strategic locations. Two portable water cars, readily available, may be used in lieu of waterlines prescribed under this paragraph.\n\n(2) In mines producing less than 300 tons of coal per shift, there shall be provided at 500-foot intervals in all main and secondary haulage roads:\n\n(i) A tank of water of at least 55-gallon capacity with at least 3 pails of not less than 10-quart capacity; or\n\n(ii) Not less than 240 pounds of bagged rock dust.\n\n(d) Transportation. Each track or off-track locomotive, self-propelled man-trip car, or personnel carrier shall be equipped with one portable fire extinguisher.\n\n(e) Electrical installations. At each electrical installation, the operator shall provide two portable fire extinguishers that have a nominal capacity of 5 pounds of dry chemical, or one extinguisher that has a nominal capacity of at least 10 pounds of dry chemical, and which have a 2-A:10-B:C or higher rating.\n\n(f) Oil storage stations. Two portable fire extinguishers and 240 pounds of rock dust, shall be provided at each permanent underground oil storage station. One portable fire extinguisher shall be provided at each working section where 25 gallons or more of oil are stored in addition to extinguishers required under paragraph (a) of this section.\n\n(g) Welding, cutting, soldering. One portable fire extinguisher or 240 pounds of rock dust shall be provided at locations where welding, cutting, or soldering with arc or flame is being done.\n\n(h) Powerlines. At each wooden door through which powerlines pass there shall be one portable fire extinguisher or 240 pounds of rock dust within 25 feet of the door on the intake air side.\n\n(i) Emergency materials. (1) At each mine producing 300 tons of coal or more per shift there shall be readily available the following materials at locations not exceeding 2 miles from each working section:\n\n1,000 board feet of brattice boards 2 rolls of brattice cloth 2 hand saws 25 pounds of 8 d nails 25 pounds of 10 d nails 25 pounds of 16 d nails 3 claw hammers 25 bags of wood fiber plaster or 10 bags of cement (or equivalent material for stoppings) 5 tons of rock dust\n\n(2) At each mine producing less than 300 tons of coal per shift the above materials shall be available at the mine, provided, however, that the emergency materials for one or more mines may be stored at a central warehouse or building supply company and such supply must be the equivalent of that required for all mines involved and within 1-hour's delivery time from each mine. This exception shall not apply where the active working sections are more than 2 miles from the surface.\n\n[35 FR 17890, Nov. 20, 1970, as amended at 73 FR 53127, Sept. 15, 2008]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1911","heading":"Fire suppression systems for diesel-powered equipment and fuel transportation units.","id":"75.1911","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-T/section-75.1911","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"T","subpartHeading":"Subpart T—Diesel-Powered Equipment","text":"(a) The fire suppression system required by §§ 75.1907 and 75.1909 shall be a multipurpose dry chemical type (ABC) fire suppression system listed or approved by a nationally recognized independent testing laboratory and appropriate for installation on diesel-powered equipment and fuel transportation units.\n\n(1) The system shall be installed in accordance with the manufacturer's specifications and the limitations of the listing or approval.\n\n(2) The system shall be installed in a protected location or guarded to minimize physical damage from routine vehicle operations.\n\n(3) Suppressant agent distribution tubing or piping shall be secured and protected against damage, including pinching, crimping, stretching, abrasion, and corrosion.\n\n(4) Discharge nozzles shall be positioned and aimed for maximum fire suppression effectiveness. Nozzles shall also be protected against the entrance of foreign materials such as mud, coal dust, or rock dust.\n\n(b) The fire suppression system shall provide fire suppression and, if automatic, fire detection for the engine including the starter, transmission, hydraulic pumps and tanks, fuel tanks, exposed brake units, air compressors and battery areas on diesel-powered equipment and electric panels or controls used on fuel transportation units and other areas as necessary.\n\n(c) If automatic, the fire suppression system shall include audible and visual alarms to warn of fires or system faults.\n\n(d) The fire suppression system shall provide for automatic engine shutdown. If the fire suppression system is automatic, engine shutdown and discharge of suppressant agent may be delayed for a maximum of 15 seconds after the fire is detected by the system.\n\n(e) The fire suppression system shall be operable by at least two manual actuators. One actuator shall be located on each side of the equipment. If the equipment is provided with an operator's compartment, one of the manual actuators shall be located in the compartment within reach of the operator.\n\n(f) The fire suppression system shall remain operative in the event of engine shutdown, equipment electrical system failure, or failure of any other equipment system.\n\n(g) The electrical components of each fire suppression system installed on equipment used where permissible electric equipment is required shall be permissible or intrinsically safe and such components shall be maintained in permissible or intrinsically safe condition.\n\n(h) Electrically operated detection and actuation circuits shall be monitored and provided with status indicators showing power and circuit continuity. If the system is not electrically operated, a means shall be provided to indicate the functional readiness status of the detection system.\n\n(i) Each fire suppression system shall be tested and maintained in accordance with the manufacturer's recommended inspection and maintenance program and as required by the nationally recognized independent testing laboratory listing or approval, and be visually inspected at least once each week by a person trained to make such inspections.\n\n(j) Recordkeeping. Persons performing inspections and tests of fire suppression systems under paragraph (i) shall record when a fire suppression system does not meet the installation or maintenance requirements of this section.\n\n(1) The record shall include the equipment on which the fire suppression system did not meet the installation or maintenance requirements of this section, the defect found, and the corrective action taken.\n\n(2) Records are to be kept manually in a secure manner not susceptible to alteration or recorded electronically in a secured computer system that is not susceptible to alteration.\n\n(3) Records shall be maintained at a surface location at the mine for one year and made available for inspection by an authorized representative of the Secretary and miners' representatives.\n\n(k) All miners normally assigned to the active workings of the mine shall be instructed about the hazards inherent to the operation of the fire suppression systems and, where appropriate, the safeguards available for each system.\n\n(l) For purposes of § 75.380(f), a fire suppression system installed on diesel-powered equipment and meeting the requirements of this section is equivalent to a fire suppression system meeting the requirements of §§ 75.1107-3 through 75.1107-16.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.220","heading":"Roof control plan.","id":"75.220","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220","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)(1) Each mine operator shall develop and follow a roof control plan, approved by the District Manager, that is suitable to the prevailing geological conditions, and the mining system to be used at the mine. Additional measures shall be taken to protect persons if unusual hazards are encountered.\n\n(2) The proposed roof control plan and any revisions to the plan shall be submitted, in writing, to the District Manager. When revisions to a roof control plan are proposed, only the revised pages need to be submitted unless otherwise specified by the District Manager.\n\n(b)(1) The mine operator will be notified in writing of the approval or denial of approval of a proposed roof control plan or proposed revision.\n\n(2) When approval of a proposed plan or revision is denied, the deficiencies of the plan or revision and recommended changes will be specified and the mine operator will be afforded an opportunity to discuss the deficiencies and changes with the District Manager.\n\n(3) Before new support materials, devices or systems other than roof bolts and accessories, are used as the only means of roof support, the District Manager may require that their effectiveness be demonstrated by experimental installations.\n\n(c) No proposed roof control plan or revision to a roof control plan shall be implemented before it is approved.\n\n(d) Before implementing an approved revision to a roof control plan, all persons who are affected by the revision shall be instructed in its provisions.\n\n(e) The approved roof control plan and any revisions shall be available to the miners and representative of miners at the mine.\n\n[53 FR 2375, Jan. 27, 1988; 53 FR 11395, Apr. 6, 1988, as amended at 60 FR 33723, June 29, 1995; 71 FR 16668, Apr. 3, 2006]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.512","heading":"Electric equipment; examination, testing and maintenance.","id":"75.512","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512","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 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 and made available to an authorized representative of the Secretary and to the miners in such mine.\n\n[35 FR 17890, Nov. 20, 1970, as amended at 60 FR 33723, June 29, 1995]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.515","heading":"Cable fittings; suitability.","id":"75.515","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.515","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\nCables shall enter metal frames of motors, splice boxes, and electric compartments only through proper fittings. When insulated wires other than cables pass through metal frames, the holes shall be substantially bushed with insulated bushings.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1403","heading":"Other safeguards.","id":"75.1403","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"O","subpartHeading":"Subpart O—Hoisting and Mantrips","text":"[Statutory Provisions]\n\nOther safeguards adequate, in the judgment of an authorized representative of the Secretary, to minimize hazards with respect to transportation of men and materials shall be provided.","occurrenceCount":1},{"chapter":"I","heading":"Availability of approved self-rescue devices; instruction in use and location.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714","part":"75","subchapter":"O","subpart":"R","id":"75.1714","citation":"30 CFR 75.1714","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 75.1100-3","heading":"Condition and examination of firefighting equipment.","id":"75.1100-3","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"All firefighting equipment shall be maintained in a usable and operative condition. Chemical extinguishers shall be examined every 6 months and the date of the examination shall be written on a permanent tag attached to the extinguisher.\n\n[35 FR 17890, Nov. 20, 1970, as amended at 60 FR 33723, June 29, 1995]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.342","heading":"Methane monitors.","id":"75.342","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.342","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)(1) MSHA approved methane monitors shall be installed on all face cutting machines, continuous miners, longwall face equipment, loading machines, and other mechanized equipment used to extract or load coal within the working place.\n\n(2) The sensing device for methane monitors on longwall shearing machines shall be installed at the return air end of the longwall face. An additional sensing device also shall be installed on the longwall shearing machine, downwind and as close to the cutting head as practicable. An alternative location or locations for the sensing device required on the longwall shearing machine may be approved in the ventilation plan.\n\n(3) The sensing devices of methane monitors shall be installed as close to the working face as practicable.\n\n(4) Methane monitors shall be maintained in permissible and proper operating condition and shall be calibrated with a known air-methane mixture at least once every 31 days. To assure that methane monitors are properly maintained and calibrated, the operator shall:\n\n(i) Use persons properly trained in the maintenance, calibration, and permissibility of methane monitors to calibrate and maintain the devices.\n\n(ii) Maintain a record of all calibration tests of methane monitors. Records shall be maintained 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(iii) Retain the record of calibration tests for 1 year from the date of the test. Records shall be retained at a surface location at the mine and made available for inspection by authorized representatives of the Secretary and the representative of miners.\n\n(b)(1) When the methane concentration at any methane monitor reaches 1.0 percent the monitor shall give a warning signal.\n\n(2) The warning signal device of the methane monitor shall be visible to a person who can deenergize electric equipment or shut down diesel-powered equipment on which the monitor is mounted.\n\n(c) The methane monitor shall automatically deenergize electric equipment or shut down diesel-powered equipment on which it is mounted when—\n\n(1) The methane concentration at any methane monitor reaches 2.0 percent; or\n\n(2) The monitor is not operating properly.\n\n[61 FR 9829, Mar. 11, 1996, as amended at 61 FR 55527, Oct. 25, 1996]","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1519902","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}