{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4002940","name":"Smyrna Quarry & Mill","status":"Active","status_date":"2011-11-16","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"TN","county":"Rutherford","nearest_town":"Murfreesboro","operator_id":"0200713","operator_name":"Martin Marietta ALTN Aggregates, Inc.","controller_id":"M00174","controller_name":"Martin Marietta Materials Inc","district":"M3","office":"Franklin TN Field Office","employees":17,"latitude":36.006944,"longitude":-86.443611},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":952},"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":"4002940","name":"Smyrna Quarry & Mill"},"operator":{"type":"operator","id":"0200713","name":"Martin Marietta ALTN Aggregates, Inc."},"controller":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02269","name":"Thomas S  Hoover"},"object":{"type":"mine","id":"4002940","name":"Smyrna Quarry & Mill"},"validFrom":"1950-01-01","validTo":"2018-02-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|M02269|1950-01-01|2018-02-08"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02727","name":"Blue Water Industries"},"object":{"type":"mine","id":"4002940","name":"Smyrna Quarry & Mill"},"validFrom":"1986-07-01","validTo":"2025-01-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|L02727|1986-07-01|2025-01-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02269","name":"Thomas S  Hoover"},"object":{"type":"operator","id":"L02727","name":"Blue Water Industries"},"validFrom":"1986-07-01","validTo":"2018-02-08","current":false,"derived":true,"evidenceMineId":"4002940","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|L02727|1986-07-01|M02269|1950-01-01|124601"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0138921","name":"Blue Water Industries Holdings LLC"},"object":{"type":"mine","id":"4002940","name":"Smyrna Quarry & Mill"},"validFrom":"2018-02-09","validTo":"2024-04-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|0138921|2018-02-09|2024-04-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0138921","name":"Blue Water Industries Holdings LLC"},"object":{"type":"operator","id":"L02727","name":"Blue Water Industries"},"validFrom":"2018-02-09","validTo":"2024-04-04","current":false,"derived":true,"evidenceMineId":"4002940","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|L02727|1986-07-01|0138921|2018-02-09|28126"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"mine","id":"4002940","name":"Smyrna Quarry & Mill"},"validFrom":"2024-04-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|M00174|2024-04-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"operator","id":"L02727","name":"Blue Water Industries"},"validFrom":"2024-04-05","validTo":"2025-01-05","current":false,"derived":true,"evidenceMineId":"4002940","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|L02727|1986-07-01|M00174|2024-04-05|106659"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0200713","name":"Martin Marietta ALTN Aggregates, Inc."},"object":{"type":"mine","id":"4002940","name":"Smyrna Quarry & Mill"},"validFrom":"2025-01-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|0200713|2025-01-06|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"mine","id":"4002940","name":"Smyrna Quarry & Mill"},"validFrom":"2025-01-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|M00174|2025-01-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"operator","id":"0200713","name":"Martin Marietta ALTN Aggregates, Inc."},"validFrom":"2025-01-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"4002940","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002940|0200713|2025-01-06|M00174|2025-01-06|106701"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":9,"firstDate":"2000-02-01","lastDate":"2017-10-19","metrics":{"daysLost":3,"injuries":9,"fatalities":0,"recentRows":0,"restrictedDays":127,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"269601","DOCUMENT_NO":"220172980004","ACCIDENT_DT":"10/19/2017","DEGREE_INJURY":"INJURIES DUE TO NATURAL CAUSES","CLASSIFICATION":"OTHER","ACCIDENT_TYPE":"NEC","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Called into MSHA emergency line on 10/19/17. EE found unconscious - called 911 transported by ambulance to ER-released.","sourceDate":"2017-10-19"},{"SOURCE_ROW_NUMBER":"192072","DOCUMENT_NO":"220073650031","ACCIDENT_DT":"12/18/2007","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Welder (shop)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was pulling crusher, stepped thru hole in cat walk, landed on right knee. Cut/scraped right knee. Currently working under restricted work activity. Note: currently employed in welding shop-working at Smyrna Quarry day of injury.","sourceDate":"2007-12-18"},{"SOURCE_ROW_NUMBER":"20121","DOCUMENT_NO":"220050110043","ACCIDENT_DT":"12/30/2004","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE WAS CLEANING BOLT HEADS WITH CHIPPING HAMMER.  HAMMER CAME OFF HANDLE AND HIT EE ON RIGHT EYE.","sourceDate":"2004-12-30"},{"SOURCE_ROW_NUMBER":"183627","DOCUMENT_NO":"220031410051","ACCIDENT_DT":"05/08/2003","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","NARRATIVE":"CLEANING UP AROUND PLANT, ROCK STRUCK EMPL ABOVERIGHT EYE. EE OK AT TIME OF INJURY. EYE TURNED RED & SENT TO DR ON 5/14/03","sourceDate":"2003-05-08"},{"SOURCE_ROW_NUMBER":"179320","DOCUMENT_NO":"220011910057","ACCIDENT_DT":"06/26/2001","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Welder (shop)","NO_INJURIES":"1","NARRATIVE":"EMPLOYEE WELDING STEEL IN IMPACT USING WELDING MACHINE, CLEANING FLUX OFF OF WASS (INSIDE IMPACT) FOREIGN BODY IN RIGHT EYE. MEDICAL ATTENTION RECEIVED 6/28/01, 1ST REPORT OF INJURY COMPLETED 6/29/01. NO LOST TIME.","sourceDate":"2001-06-26"},{"SOURCE_ROW_NUMBER":"28780","DOCUMENT_NO":"220011020008","ACCIDENT_DT":"03/31/2001","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from machine","OCCUPATION":"Truck driver","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"EE WAS IN STORAGE TRAILER TO GET A BOX OF CLEANING TOWELS, WHEN GETTING DOWN FROM STORAGE TRAILER HE JUMPED DOWN AND TURNED RIGHT ANKLE.","sourceDate":"2001-03-31"},{"SOURCE_ROW_NUMBER":"88926","DOCUMENT_NO":"220003470005","ACCIDENT_DT":"12/04/2000","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Truck driver","NO_INJURIES":"1","NARRATIVE":"EE WAS GOING OUT ON FRONT OF TRUCK TO CLEAN OFF WINDSHIELD OF TRUCK-SLIPPED ON CAT TRUCK-HURT LOWER BACK.","sourceDate":"2000-12-04"},{"SOURCE_ROW_NUMBER":"239554","DOCUMENT_NO":"220002900187","ACCIDENT_DT":"10/03/2000","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","NARRATIVE":"EMPLOYEE WAS WELDING ON A LIFTING HOOK & WORKINGWITH CHAIN HOIST. LIFTING HOOK CAME OFF WHILE USING CHAIN HOIST. HOOK HIT HIM ON RIGHT HAND WHENWELD BROKE.","sourceDate":"2000-10-03"},{"SOURCE_ROW_NUMBER":"41573","DOCUMENT_NO":"220000480042","ACCIDENT_DT":"02/01/2000","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Over-exertion in wielding or throwing objects","OCCUPATION":"Truck driver","NO_INJURIES":"1","DAYS_LOST":"1","NARRATIVE":"EE USING SLEDGE HAMMER, WORKING ON CRUSHER, RIGHT SHOULDER HURT.","sourceDate":"2000-02-01"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2011-11-16","lastDate":"2011-11-16","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":101,"firstDate":"2000-02-14","lastDate":"2025-10-27","metrics":{"ss":38,"delinquent":87,"recentRows":7,"paidPenalty":24280,"proposedPenalty":24280,"currentAssessment":24280},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3018698","VIOLATION_NO":"9757333","ISSUE_DT":"10/27/2025","CFR_STANDARD_CD":"56.4430(a)(3)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"245.00","CURRENT_ASSESSMENT_AMT":"245.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-10-27"},{"SOURCE_ROW_NUMBER":"2957397","VIOLATION_NO":"9757279","ISSUE_DT":"01/14/2025","CFR_STANDARD_CD":"47.44(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-01-14"},{"SOURCE_ROW_NUMBER":"2873217","VIOLATION_NO":"9773156","ISSUE_DT":"02/21/2024","CFR_STANDARD_CD":"56.14200","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-02-21"},{"SOURCE_ROW_NUMBER":"2839579","VIOLATION_NO":"9282796","ISSUE_DT":"06/02/2022","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-06-02"},{"SOURCE_ROW_NUMBER":"2839578","VIOLATION_NO":"9282795","ISSUE_DT":"06/02/2022","CFR_STANDARD_CD":"56.20003(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"183.00","CURRENT_ASSESSMENT_AMT":"183.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-06-02"},{"SOURCE_ROW_NUMBER":"1969522","VIOLATION_NO":"9237001","ISSUE_DT":"04/20/2021","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-04-20"},{"SOURCE_ROW_NUMBER":"1969521","VIOLATION_NO":"9237000","ISSUE_DT":"04/20/2021","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-04-20"},{"SOURCE_ROW_NUMBER":"1487663","VIOLATION_NO":"9235560","ISSUE_DT":"08/05/2020","CFR_STANDARD_CD":"56.4201(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-08-05"},{"SOURCE_ROW_NUMBER":"2607855","VIOLATION_NO":"9429627","ISSUE_DT":"05/28/2019","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-05-28"},{"SOURCE_ROW_NUMBER":"2606058","VIOLATION_NO":"9424202","ISSUE_DT":"07/10/2018","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-07-10"},{"SOURCE_ROW_NUMBER":"2521728","VIOLATION_NO":"8907592","ISSUE_DT":"12/11/2017","CFR_STANDARD_CD":"56.11012","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"544.00","CURRENT_ASSESSMENT_AMT":"544.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-12-11"},{"SOURCE_ROW_NUMBER":"2521727","VIOLATION_NO":"8907591","ISSUE_DT":"12/11/2017","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"163.00","CURRENT_ASSESSMENT_AMT":"163.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-12-11"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":111,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":4,"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":27,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"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":"1986-07-01","lastDate":"2025-01-06","metrics":{"recentRows":1,"currentOperatorTenures":1,"completedOperatorTenures":3},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":80,"firstDate":"2000-02-14","lastDate":"2026-09-30","metrics":{"inspectors":82,"recentRows":18,"onSiteHours":843,"inspectionHours":1237.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"435903","EVENT_NO":"F046773","INSPECTION_BEGIN_DT":"09/30/2026","INSPECTION_END_DT":"09/30/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"9.75","sourceDate":"2026-09-30"},{"SOURCE_ROW_NUMBER":"1156824","EVENT_NO":"F01522D","INSPECTION_BEGIN_DT":"05/18/2026","INSPECTION_END_DT":"05/20/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"21","SUM_TOTAL_ON_SITE_HOURS":"15.5","sourceDate":"2026-05-18"},{"SOURCE_ROW_NUMBER":"641204","EVENT_NO":"F02D951","INSPECTION_BEGIN_DT":"10/27/2025","INSPECTION_END_DT":"10/30/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"37","SUM_TOTAL_ON_SITE_HOURS":"31","sourceDate":"2025-10-27"},{"SOURCE_ROW_NUMBER":"538278","EVENT_NO":"F0224D9","INSPECTION_BEGIN_DT":"05/01/2025","INSPECTION_END_DT":"05/01/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"8.5","sourceDate":"2025-05-01"},{"SOURCE_ROW_NUMBER":"670630","EVENT_NO":"F01277C","INSPECTION_BEGIN_DT":"01/14/2025","INSPECTION_END_DT":"01/15/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.75","SUM_TOTAL_ON_SITE_HOURS":"14.5","sourceDate":"2025-01-14"},{"SOURCE_ROW_NUMBER":"1071346","EVENT_NO":"7021459","INSPECTION_BEGIN_DT":"04/08/2024","INSPECTION_END_DT":"04/10/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"23","SUM_TOTAL_ON_SITE_HOURS":"9.5","sourceDate":"2024-04-08"},{"SOURCE_ROW_NUMBER":"738522","EVENT_NO":"7035514","INSPECTION_BEGIN_DT":"02/20/2024","INSPECTION_END_DT":"02/22/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"31","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2024-02-20"},{"SOURCE_ROW_NUMBER":"46223","EVENT_NO":"4460557","INSPECTION_BEGIN_DT":"09/25/2023","INSPECTION_END_DT":"10/03/2023","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2023-09-25"},{"SOURCE_ROW_NUMBER":"538521","EVENT_NO":"7035187","INSPECTION_BEGIN_DT":"04/11/2023","INSPECTION_END_DT":"04/17/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2023-04-11"},{"SOURCE_ROW_NUMBER":"381560","EVENT_NO":"7035185","INSPECTION_BEGIN_DT":"04/11/2023","INSPECTION_END_DT":"04/19/2023","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2023-04-11"},{"SOURCE_ROW_NUMBER":"411341","EVENT_NO":"7021819","INSPECTION_BEGIN_DT":"12/07/2022","INSPECTION_END_DT":"12/09/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2022-12-07"},{"SOURCE_ROW_NUMBER":"674749","EVENT_NO":"7021775","INSPECTION_BEGIN_DT":"09/19/2022","INSPECTION_END_DT":"10/21/2022","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2022-09-19"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":318,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":5130,"employees":9,"production":0},"2026-Q1":{"hours":4364,"employees":9,"production":0},"2025-Q4":{"hours":4366,"employees":9,"production":0},"2025-Q3":{"hours":3884,"employees":9,"production":0},"2025-Q2":{"hours":6421,"employees":10,"production":0},"2025-Q1":{"hours":5361,"employees":9,"production":0},"2024-Q4":{"hours":4878,"employees":9,"production":0},"2024-Q3":{"hours":4867,"employees":8,"production":0},"2024-Q2":{"hours":5152,"employees":9,"production":0},"2024-Q1":{"hours":9616,"employees":17,"production":0},"2023-Q4":{"hours":7881,"employees":14,"production":0},"2023-Q3":{"hours":8258,"employees":14,"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":79,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":46106,"employees":19,"production":0},"2018":{"hours":36501,"employees":15,"production":0},"2019":{"hours":33725,"employees":13,"production":0},"2020":{"hours":29773,"employees":13,"production":0},"2021":{"hours":31148,"employees":14,"production":0},"2022":{"hours":33647,"employees":15,"production":0},"2023":{"hours":31932,"employees":14,"production":0},"2024":{"hours":24513,"employees":11,"production":0},"2025":{"hours":20032,"employees":9,"production":0},"2026":{"hours":9494,"employees":9,"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-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":116,"firstDate":"2000-11-30","lastDate":"2026-09-30","metrics":{"recentRows":13,"actionTaken":116,"maxExposureRatio":1.77,"overExposureLimit":4,"exposureRatioTotal":13.95},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"317317","EVENT_NO":"F046773","SAMPLE_NO":"000000202604097700","SAMPLE_DATE":"09/30/2026","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.18","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2026-09-30"},{"SOURCE_ROW_NUMBER":"289237","EVENT_NO":"F01277C","SAMPLE_NO":"000000202500090500","SAMPLE_DATE":"01/15/2025","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-01-15"},{"SOURCE_ROW_NUMBER":"289236","EVENT_NO":"F01277C","SAMPLE_NO":"000000202500090400","SAMPLE_DATE":"01/15/2025","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.15","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-01-15"},{"SOURCE_ROW_NUMBER":"261452","EVENT_NO":"7021775","SAMPLE_NO":"000000202203961000","SAMPLE_DATE":"09/20/2022","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-09-20"},{"SOURCE_ROW_NUMBER":"261451","EVENT_NO":"7021775","SAMPLE_NO":"000000202203960900","SAMPLE_DATE":"09/20/2022","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.45","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-09-20"},{"SOURCE_ROW_NUMBER":"261450","EVENT_NO":"7021775","SAMPLE_NO":"000000202203960800","SAMPLE_DATE":"09/20/2022","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.14","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Cleanup Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-09-20"},{"SOURCE_ROW_NUMBER":"255633","EVENT_NO":"7022485","SAMPLE_NO":"000000202104059600","SAMPLE_DATE":"09/28/2021","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.93","EXPOSURE_LIMIT":"0001.89","C_OVER_E":"00.49","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-09-28"},{"SOURCE_ROW_NUMBER":"255632","EVENT_NO":"7022485","SAMPLE_NO":"000000202104059500","SAMPLE_DATE":"09/28/2021","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-09-28"},{"SOURCE_ROW_NUMBER":"255631","EVENT_NO":"7022485","SAMPLE_NO":"000000202104059400","SAMPLE_DATE":"09/28/2021","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-09-28"},{"SOURCE_ROW_NUMBER":"255630","EVENT_NO":"7022485","SAMPLE_NO":"000000202104059300","SAMPLE_DATE":"09/28/2021","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.98","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-09-28"},{"SOURCE_ROW_NUMBER":"246431","EVENT_NO":"6413174","SAMPLE_NO":"000000202101830300","SAMPLE_DATE":"04/21/2021","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.31","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-04-21"},{"SOURCE_ROW_NUMBER":"246430","EVENT_NO":"6413174","SAMPLE_NO":"000000202101830200","SAMPLE_DATE":"04/21/2021","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.47","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-04-21"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":105,"firstDate":"2000-02-14","lastDate":"2025-10-27","metrics":{"ss":38,"amountDue":24280,"contested":0,"amountPaid":24280,"recentRows":7,"section104d":0,"unterminated":0,"proposedPenalty":24280},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2067736","VIOLATION_NO":"9757333","VIOLATION_ISSUE_DT":"10/27/2025","SIG_SUB":"Y","PART_SECTION":"56.4430(a)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/27/2025","PROPOSED_PENALTY":"245","AMOUNT_DUE":"245","AMOUNT_PAID":"245","CONTESTED_IND":"N","sourceDate":"2025-10-27"},{"SOURCE_ROW_NUMBER":"2067665","VIOLATION_NO":"9757279","VIOLATION_ISSUE_DT":"01/14/2025","SIG_SUB":"N","PART_SECTION":"47.44(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/14/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-01-14"},{"SOURCE_ROW_NUMBER":"2067672","VIOLATION_NO":"9773156","VIOLATION_ISSUE_DT":"02/21/2024","SIG_SUB":"N","PART_SECTION":"56.14200","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/21/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-02-21"},{"SOURCE_ROW_NUMBER":"2067698","VIOLATION_NO":"9282796","VIOLATION_ISSUE_DT":"06/02/2022","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/02/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-06-02"},{"SOURCE_ROW_NUMBER":"2067697","VIOLATION_NO":"9282795","VIOLATION_ISSUE_DT":"06/02/2022","SIG_SUB":"Y","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/02/2022","PROPOSED_PENALTY":"183","AMOUNT_DUE":"183","AMOUNT_PAID":"183","CONTESTED_IND":"N","sourceDate":"2022-06-02"},{"SOURCE_ROW_NUMBER":"2067690","VIOLATION_NO":"9237001","VIOLATION_ISSUE_DT":"04/20/2021","SIG_SUB":"N","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/21/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-04-20"},{"SOURCE_ROW_NUMBER":"2067689","VIOLATION_NO":"9237000","VIOLATION_ISSUE_DT":"04/20/2021","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/21/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-04-20"},{"SOURCE_ROW_NUMBER":"2067721","VIOLATION_NO":"9235560","VIOLATION_ISSUE_DT":"08/05/2020","SIG_SUB":"N","PART_SECTION":"56.4201(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/05/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-08-05"},{"SOURCE_ROW_NUMBER":"2067692","VIOLATION_NO":"9429627","VIOLATION_ISSUE_DT":"05/28/2019","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/28/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-05-28"},{"SOURCE_ROW_NUMBER":"2067720","VIOLATION_NO":"9424202","VIOLATION_ISSUE_DT":"07/10/2018","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/10/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-07-10"},{"SOURCE_ROW_NUMBER":"2067748","VIOLATION_NO":"8907592","VIOLATION_ISSUE_DT":"12/11/2017","SIG_SUB":"Y","PART_SECTION":"56.11012","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/11/2017","PROPOSED_PENALTY":"544","AMOUNT_DUE":"544","AMOUNT_PAID":"544","CONTESTED_IND":"N","sourceDate":"2017-12-11"},{"SOURCE_ROW_NUMBER":"2067747","VIOLATION_NO":"8907591","VIOLATION_ISSUE_DT":"12/11/2017","SIG_SUB":"Y","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/11/2017","PROPOSED_PENALTY":"163","AMOUNT_DUE":"163","AMOUNT_PAID":"163","CONTESTED_IND":"N","sourceDate":"2017-12-11"}]}],"safety":{"href":"/api/v1/mines/4002940/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4002940/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":"Storage facilities.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4430","part":"56","subchapter":"K","subpart":"C","id":"56.4430","citation":"30 CFR 56.4430","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Temporary, portable containers.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44","part":"47","subchapter":"H","subpart":"E","id":"47.44","citation":"30 CFR 47.44","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 47—HAZARD COMMUNICATION (HazCom)","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Warnings prior to starting or moving equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14200","part":"56","subchapter":"K","subpart":"M","id":"56.14200","citation":"30 CFR 56.14200","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Insulation and fittings for power wires and cables.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008","part":"56","subchapter":"K","subpart":"K","id":"56.12008","citation":"30 CFR 56.12008","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Housekeeping.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003","part":"56","subchapter":"K","subpart":"S","id":"56.20003","citation":"30 CFR 56.20003","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Safe access.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001","part":"56","subchapter":"K","subpart":"J","id":"56.11001","citation":"30 CFR 56.11001","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Inspection and cover plates.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032","part":"56","subchapter":"K","subpart":"K","id":"56.12032","citation":"30 CFR 56.12032","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Inspection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Protection for openings around travelways.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012","part":"56","subchapter":"K","subpart":"J","id":"56.11012","citation":"30 CFR 56.11012","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4002940","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}