{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3304637","name":"CCU Athens Strip","status":"Active","status_date":"2022-06-22","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"OH","county":"Athens","nearest_town":"Glouster","operator_id":"0161793","operator_name":"CCU Coal & Construction LLC","controller_id":"C04381","controller_name":"Charles C  Ungurean","district":"M2","office":"Hebron OH Field Office","employees":8,"latitude":39.549722,"longitude":-82.113611},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":182},"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":"3304637","name":"CCU Athens Strip"},"operator":{"type":"operator","id":"0161793","name":"CCU Coal & Construction LLC"},"controller":{"type":"controller","id":"C04381","name":"Charles C  Ungurean"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04381","name":"Charles C  Ungurean"},"object":{"type":"mine","id":"3304637","name":"CCU Athens Strip"},"validFrom":"1950-01-01","validTo":"2014-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304637|C04381|1950-01-01|2014-12-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16978","name":"Oxford Mining Co. LLC"},"object":{"type":"mine","id":"3304637","name":"CCU Athens Strip"},"validFrom":"2009-11-30","validTo":"2022-06-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304637|P16978|2009-11-30|2022-06-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04381","name":"Charles C  Ungurean"},"object":{"type":"operator","id":"P16978","name":"Oxford Mining Co. LLC"},"validFrom":"2009-11-30","validTo":"2014-12-31","current":false,"derived":true,"evidenceMineId":"3304637","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304637|P16978|2009-11-30|C04381|1950-01-01|65811"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01550","name":"Westmoreland Coal Company"},"object":{"type":"mine","id":"3304637","name":"CCU Athens Strip"},"validFrom":"2015-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304637|C01550|2015-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01550","name":"Westmoreland Coal Company"},"object":{"type":"operator","id":"P16978","name":"Oxford Mining Co. LLC"},"validFrom":"2015-01-01","validTo":"2022-06-02","current":false,"derived":true,"evidenceMineId":"3304637","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304637|P16978|2009-11-30|C01550|2015-01-01|54927"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04381","name":"Charles C  Ungurean"},"object":{"type":"mine","id":"3304637","name":"CCU Athens Strip"},"validFrom":"2019-02-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304637|C04381|2019-02-11|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0161793","name":"CCU Coal & Construction LLC"},"object":{"type":"mine","id":"3304637","name":"CCU Athens Strip"},"validFrom":"2022-06-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304637|0161793|2022-06-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04381","name":"Charles C  Ungurean"},"object":{"type":"operator","id":"0161793","name":"CCU Coal & Construction LLC"},"validFrom":"2022-06-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304637","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304637|0161793|2022-06-03|C04381|2019-02-11|65843"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":1,"firstDate":"2025-08-15","lastDate":"2025-08-15","metrics":{"daysLost":0,"injuries":1,"fatalities":0,"recentRows":1,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"152960","DOCUMENT_NO":"220252370038","ACCIDENT_DT":"08/15/2025","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"EXPLODING VESSELS UNDER PRESSURE","ACCIDENT_TYPE":"Contact with hot objects or substances","OCCUPATION":"Master mechanic, Foreman, Supervisor","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Water pump was not pumping and employee attempted to opened the drain valve when the pipe that is attached to the valve broke causing hot water to spray out.","sourceDate":"2025-08-15"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2022-06-22","lastDate":"2022-06-22","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":7,"firstDate":"2022-09-14","lastDate":"2026-06-03","metrics":{"ss":1,"delinquent":7,"recentRows":7,"paidPenalty":1250,"proposedPenalty":1250,"currentAssessment":1250},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2922133","VIOLATION_NO":"9607683","ISSUE_DT":"06/03/2026","CFR_STANDARD_CD":"77.404(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-06-03"},{"SOURCE_ROW_NUMBER":"2922132","VIOLATION_NO":"9607682","ISSUE_DT":"06/03/2026","CFR_STANDARD_CD":"77.206(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"366.00","CURRENT_ASSESSMENT_AMT":"366.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-06-03"},{"SOURCE_ROW_NUMBER":"2922131","VIOLATION_NO":"9607681","ISSUE_DT":"06/03/2026","CFR_STANDARD_CD":"47.44(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-06-03"},{"SOURCE_ROW_NUMBER":"2738513","VIOLATION_NO":"5071475","ISSUE_DT":"10/29/2025","CFR_STANDARD_CD":"77.206(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-10-29"},{"SOURCE_ROW_NUMBER":"2898439","VIOLATION_NO":"9809410","ISSUE_DT":"02/10/2025","CFR_STANDARD_CD":"77.1102","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-02-10"},{"SOURCE_ROW_NUMBER":"2932638","VIOLATION_NO":"9930522","ISSUE_DT":"09/24/2024","CFR_STANDARD_CD":"77.1109(c)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-09-24"},{"SOURCE_ROW_NUMBER":"2848580","VIOLATION_NO":"9257456","ISSUE_DT":"09/14/2022","CFR_STANDARD_CD":"77.1109(c)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-09-14"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":69,"firstDate":"2022-09-12","lastDate":"2026-09-29","metrics":{"recentRows":69,"cpdmSamples":0,"voidSamples":3,"validSamples":66,"maxConcentration":0.393,"concentrationTotal":4.95},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"432790","CASS_NUM":"58556419","SMP_TAKEN_DT":"9/29/2026","CONC":".184","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-09-29"},{"SOURCE_ROW_NUMBER":"346140","CASS_NUM":"58556465","SMP_TAKEN_DT":"9/29/2026","CONC":".054","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-09-29"},{"SOURCE_ROW_NUMBER":"1373127","CASS_NUM":"51642722","SMP_TAKEN_DT":"7/23/2026","CONC":".016","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-07-23"},{"SOURCE_ROW_NUMBER":"918902","CASS_NUM":"51606309","SMP_TAKEN_DT":"7/23/2026","CONC":".049","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-07-23"},{"SOURCE_ROW_NUMBER":"1364144","CASS_NUM":"58556398","SMP_TAKEN_DT":"6/2/2026","CONC":".03","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"COAL TRUCK DRIVER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-06-02"},{"SOURCE_ROW_NUMBER":"1335673","CASS_NUM":"58556388","SMP_TAKEN_DT":"6/2/2026","CONC":".125","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-06-02"},{"SOURCE_ROW_NUMBER":"308980","CASS_NUM":"58556385","SMP_TAKEN_DT":"6/2/2026","CONC":".042","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-06-02"},{"SOURCE_ROW_NUMBER":"1447455","CASS_NUM":"51658503","SMP_TAKEN_DT":"4/20/2026","CONC":".038","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-04-20"},{"SOURCE_ROW_NUMBER":"1399267","CASS_NUM":"51658505","SMP_TAKEN_DT":"4/20/2026","CONC":".393","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-04-20"},{"SOURCE_ROW_NUMBER":"1522371","CASS_NUM":"51658517","SMP_TAKEN_DT":"3/9/2026","CONC":".021","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-03-09"},{"SOURCE_ROW_NUMBER":"769485","CASS_NUM":"51658606","SMP_TAKEN_DT":"3/9/2026","CONC":".061","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-03-09"},{"SOURCE_ROW_NUMBER":"1540163","CASS_NUM":"58556548","SMP_TAKEN_DT":"1/7/2026","CONC":".055","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-01-07"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":3,"firstDate":"2009-11-30","lastDate":"2022-06-03","metrics":{"recentRows":1,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":16,"firstDate":"2017-03-20","lastDate":"2026-09-29","metrics":{"inspectors":20,"recentRows":13,"onSiteHours":167,"inspectionHours":280,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"483690","EVENT_NO":"F03729F","INSPECTION_BEGIN_DT":"09/29/2026","INSPECTION_END_DT":"09/29/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15.5","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2026-09-29"},{"SOURCE_ROW_NUMBER":"458750","EVENT_NO":"F007089","INSPECTION_BEGIN_DT":"06/01/2026","INSPECTION_END_DT":"06/04/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"50.25","SUM_TOTAL_ON_SITE_HOURS":"26","sourceDate":"2026-06-01"},{"SOURCE_ROW_NUMBER":"553302","EVENT_NO":"F01A80B","INSPECTION_BEGIN_DT":"01/07/2026","INSPECTION_END_DT":"01/07/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"9.25","sourceDate":"2026-01-07"},{"SOURCE_ROW_NUMBER":"158349","EVENT_NO":"6930462","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":"37.75","SUM_TOTAL_ON_SITE_HOURS":"19.25","sourceDate":"2025-10-27"},{"SOURCE_ROW_NUMBER":"562077","EVENT_NO":"F0179B8","INSPECTION_BEGIN_DT":"05/20/2025","INSPECTION_END_DT":"05/21/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.75","SUM_TOTAL_ON_SITE_HOURS":"14.25","sourceDate":"2025-05-20"},{"SOURCE_ROW_NUMBER":"739241","EVENT_NO":"6930433","INSPECTION_BEGIN_DT":"03/18/2025","INSPECTION_END_DT":"03/18/2025","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2025-03-18"},{"SOURCE_ROW_NUMBER":"3591","EVENT_NO":"7121088","INSPECTION_BEGIN_DT":"02/10/2025","INSPECTION_END_DT":"02/11/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"32","SUM_TOTAL_ON_SITE_HOURS":"19.5","sourceDate":"2025-02-10"},{"SOURCE_ROW_NUMBER":"1147454","EVENT_NO":"F00A5FE","INSPECTION_BEGIN_DT":"09/24/2024","INSPECTION_END_DT":"09/25/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19","SUM_TOTAL_ON_SITE_HOURS":"12.5","sourceDate":"2024-09-24"},{"SOURCE_ROW_NUMBER":"163869","EVENT_NO":"7027460","INSPECTION_BEGIN_DT":"05/22/2024","INSPECTION_END_DT":"05/22/2024","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.75","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2024-05-22"},{"SOURCE_ROW_NUMBER":"1145324","EVENT_NO":"7027395","INSPECTION_BEGIN_DT":"03/12/2024","INSPECTION_END_DT":"03/14/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"12","sourceDate":"2024-03-12"},{"SOURCE_ROW_NUMBER":"234732","EVENT_NO":"7026996","INSPECTION_BEGIN_DT":"04/07/2023","INSPECTION_END_DT":"07/19/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2023-04-07"},{"SOURCE_ROW_NUMBER":"1020285","EVENT_NO":"7014035","INSPECTION_BEGIN_DT":"02/28/2023","INSPECTION_END_DT":"02/28/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2023-02-28"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":46,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":9234,"employees":16,"production":14299},"2026-Q1":{"hours":9723,"employees":16,"production":16066},"2025-Q4":{"hours":8326,"employees":16,"production":23619},"2025-Q3":{"hours":6940,"employees":13,"production":22710},"2025-Q2":{"hours":6628,"employees":12,"production":8699},"2025-Q1":{"hours":6442,"employees":11,"production":9612},"2024-Q4":{"hours":5681,"employees":11,"production":16985},"2024-Q3":{"hours":4882,"employees":9,"production":16015},"2024-Q2":{"hours":5073,"employees":9,"production":13559},"2024-Q1":{"hours":4251,"employees":8,"production":12280},"2023-Q4":{"hours":3663,"employees":8,"production":10217},"2023-Q3":{"hours":4486,"employees":8,"production":13196}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":5,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2022":{"hours":7665,"employees":7,"production":16155},"2023":{"hours":18505,"employees":9,"production":53322},"2024":{"hours":19887,"employees":9,"production":58839},"2025":{"hours":28336,"employees":13,"production":64640},"2026":{"hours":18957,"employees":16,"production":30365}},"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":23,"firstDate":"2022-09-14","lastDate":"2026-06-02","metrics":{"recentRows":23,"doseOver100":0,"actDoseTotal":909,"pelDoseTotal":567},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"133451","EVENT_NO":"F007089","SURVEY_DATE":"06/02/2026","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"40","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2026-06-02"},{"SOURCE_ROW_NUMBER":"133450","EVENT_NO":"F007089","SURVEY_DATE":"06/02/2026","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","ACT_DOSE_85":"18","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2026-06-02"},{"SOURCE_ROW_NUMBER":"133449","EVENT_NO":"F007089","SURVEY_DATE":"06/02/2026","OCCUPATION_CD_DESC":"COAL TRUCK DRIVER","MACHINE_CD":"39","ACT_DOSE_85":"11","PEL_DOSE_90":"4","SURVEY_TYPE":"I","sourceDate":"2026-06-02"},{"SOURCE_ROW_NUMBER":"133437","EVENT_NO":"6930462","SURVEY_DATE":"10/28/2025","OCCUPATION_CD_DESC":"COAL TRUCK DRIVER","MACHINE_CD":"39","ACT_DOSE_85":"7","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2025-10-28"},{"SOURCE_ROW_NUMBER":"133436","EVENT_NO":"6930462","SURVEY_DATE":"10/28/2025","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","ACT_DOSE_85":"27","PEL_DOSE_90":"16","SURVEY_TYPE":"I","sourceDate":"2025-10-28"},{"SOURCE_ROW_NUMBER":"133435","EVENT_NO":"6930462","SURVEY_DATE":"10/28/2025","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"25","PEL_DOSE_90":"8","SURVEY_TYPE":"I","sourceDate":"2025-10-28"},{"SOURCE_ROW_NUMBER":"133457","EVENT_NO":"F0179B8","SURVEY_DATE":"05/20/2025","OCCUPATION_CD_DESC":"HIGHWALL DRILL OPERATOR","MACHINE_CD":"21","ACT_DOSE_85":"11","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2025-05-20"},{"SOURCE_ROW_NUMBER":"133448","EVENT_NO":"7121088","SURVEY_DATE":"02/11/2025","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"40","ACT_DOSE_85":"26","PEL_DOSE_90":"9","SURVEY_TYPE":"I","sourceDate":"2025-02-11"},{"SOURCE_ROW_NUMBER":"133456","EVENT_NO":"F00A5FE","SURVEY_DATE":"09/24/2024","OCCUPATION_CD_DESC":"HIGHWALL DRILL OPERATOR","MACHINE_CD":"21","ACT_DOSE_85":"64","PEL_DOSE_90":"42","SURVEY_TYPE":"I","sourceDate":"2024-09-24"},{"SOURCE_ROW_NUMBER":"133455","EVENT_NO":"F00A5FE","SURVEY_DATE":"09/24/2024","OCCUPATION_CD_DESC":"BACKHOE OPERATOR","MACHINE_CD":"40","ACT_DOSE_85":"3","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2024-09-24"},{"SOURCE_ROW_NUMBER":"133454","EVENT_NO":"F00A5FE","SURVEY_DATE":"09/24/2024","OCCUPATION_CD_DESC":"COAL TRUCK DRIVER","MACHINE_CD":"39","ACT_DOSE_85":"11","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2024-09-24"},{"SOURCE_ROW_NUMBER":"133453","EVENT_NO":"F00A5FE","SURVEY_DATE":"09/24/2024","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"88","PEL_DOSE_90":"57","SURVEY_TYPE":"I","sourceDate":"2024-09-24"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":3,"firstDate":"2024-09-24","lastDate":"2026-09-29","metrics":{"recentRows":3,"voidSamples":0,"maxQuartzPct":19.1,"validSamples":3,"quartzPctTotal":45.4},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"132978","CASSETTE_NO":"58556419","SAMPLE_DT":"09/29/2026","QUARTZ_PCT":"19.1","QUARTZ_MICROGRAMS":"35","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-29"},{"SOURCE_ROW_NUMBER":"128220","CASSETTE_NO":"58556535","SAMPLE_DT":"02/11/2025","QUARTZ_PCT":"07.7","QUARTZ_MICROGRAMS":"17","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-02-11"},{"SOURCE_ROW_NUMBER":"26697","CASSETTE_NO":"58519100","SAMPLE_DT":"09/24/2024","QUARTZ_PCT":"18.6","QUARTZ_MICROGRAMS":"28","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2024-09-24"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":7,"firstDate":"2022-09-14","lastDate":"2026-06-03","metrics":{"ss":1,"amountDue":1250,"contested":0,"amountPaid":1250,"recentRows":7,"section104d":0,"unterminated":0,"proposedPenalty":1250},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1774572","VIOLATION_NO":"9607683","VIOLATION_ISSUE_DT":"06/03/2026","SIG_SUB":"N","PART_SECTION":"77.404(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/03/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-06-03"},{"SOURCE_ROW_NUMBER":"1774571","VIOLATION_NO":"9607682","VIOLATION_ISSUE_DT":"06/03/2026","SIG_SUB":"Y","PART_SECTION":"77.206(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/03/2026","PROPOSED_PENALTY":"366","AMOUNT_DUE":"366","AMOUNT_PAID":"366","CONTESTED_IND":"N","sourceDate":"2026-06-03"},{"SOURCE_ROW_NUMBER":"1774570","VIOLATION_NO":"9607681","VIOLATION_ISSUE_DT":"06/03/2026","SIG_SUB":"N","PART_SECTION":"47.44(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/03/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-06-03"},{"SOURCE_ROW_NUMBER":"1774575","VIOLATION_NO":"5071475","VIOLATION_ISSUE_DT":"10/29/2025","SIG_SUB":"N","PART_SECTION":"77.206(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/29/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-10-29"},{"SOURCE_ROW_NUMBER":"1774569","VIOLATION_NO":"9809410","VIOLATION_ISSUE_DT":"02/10/2025","SIG_SUB":"N","PART_SECTION":"77.1102","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"02/10/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-02-10"},{"SOURCE_ROW_NUMBER":"1774574","VIOLATION_NO":"9930522","VIOLATION_ISSUE_DT":"09/24/2024","SIG_SUB":"N","PART_SECTION":"77.1109(c)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/24/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-09-24"},{"SOURCE_ROW_NUMBER":"1774573","VIOLATION_NO":"9257456","VIOLATION_ISSUE_DT":"09/14/2022","SIG_SUB":"N","PART_SECTION":"77.1109(c)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/14/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-09-14"}]}],"safety":{"href":"/api/v1/mines/3304637/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3304637/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":{"averageEmployees":10,"companyType":"Independent Producer Operator","components":[{"averageEmployees":10,"laborHours":19887,"mineType":"Surface","productionTons":58839}],"county":"Athens","laborHours":19887,"mineName":"Ccu Athens Strip","mineType":"Surface","mshaId":"3304637","operatingAddress":"544 Chestnut St. Pb Box 1027, Coshocton, OH 43812","operatingCompany":"Ccu Coal & Construction Llc","operationType":"Mine only","productionTons":58839,"reportedRows":1,"sourceUrl":"https://www.eia.gov/coal/data/public/xls/coalpublic2024.xlsx","state":"Ohio","status":"Active","supplyRegion":"Appalachia Northern","union":"","year":2024},"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 77.404","heading":"Machinery and equipment; operation and maintenance.","id":"77.404","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Safeguards for Mechanical Equipment","text":"(a) Mobile and stationary machinery and equipment shall be maintained in safe operating condition and machinery or equipment in unsafe condition shall be removed from service immediately.\n\n(b) Machinery and equipment shall be operated only by persons trained in the use of and authorized to operate such machinery or equipment.\n\n(c) Repairs or maintenance shall not be performed on machinery until the power is off and the machinery is blocked against motion, except where machinery motion is necessary to make adjustments.\n\n(d) Machinery shall not be lubricated while in motion where a hazard exists, unless equipped with extended fittings or cups.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.206","heading":"Ladders; construction; installation and maintenance.","id":"77.206","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.206","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Surface Installations","text":"(a) Ladders shall be of substantial construction and maintained in good condition.\n\n(b) Wooden members of ladders shall not be painted.\n\n(c) Steep or vertical ladders which are used regularly at fixed locations shall be anchored securely and provided with backguards extending from a point not more than 7 feet from the bottom of the ladder to the top of the ladder.\n\n(d) Fixed ladders shall not incline backwards at any point unless provided with backguards.\n\n(e) Fixed ladders shall be anchored securely and installed to provide at least 3 inches of toe clearance.\n\n(f) Fixed ladders shall project at least 3 feet above landings, or substantial handholds shall be provided above the landings.","occurrenceCount":2},{"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":"Warning signs; smoking and open flame.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1102","part":"77","subchapter":"O","subpart":"L","id":"77.1102","citation":"30 CFR 77.1102","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1109","heading":"Quantity and location of firefighting equipment.","id":"77.1109","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"Preparation plants, dryer plants, tipples, drawoff tunnels, shops, and other surface installations shall be equipped with the following firefighting equipment.\n\n(a) Each structure presenting a fire hazard shall be provided with portable fire extinguishers commensurate with the potential fire hazard at the structure in accordance with the recommendations of the National Fire Protection Association.\n\n(b) Preparation plants shall be equipped with waterlines, with outlet valves on each floor, and with sufficient fire hose to project a water stream to any point in the plant. However, where freezing conditions exist or water is not available, a 125-pound multipurpose dry powder extinguisher may be substituted for the purposes of this paragraph (b) for each 2,500 square feet of floor space in a wooden or other flammable structure, or for each 5,000 square feet of floor space in a metal, concrete-block, or other type of non-flammable construction.\n\n(c)(1) Mobile equipment, including trucks, front-end loaders, bulldozers, portable welding units, and augers, shall be equipped with at least one portable fire extinguisher.\n\n(2) Power shovels, draglines, and other large equipment shall be equipped with at least one portable fire extinguisher; however, additional fire extinguishers may be required by an authorized representative of the Secretary.\n\n(3) Auxiliary equipment such as portable drills, sweepers, and scrapers, when operated more than 600 feet from equipment required to have portable fire extinguishers, shall be equipped with at least one fire extinguisher.\n\n(d) Fire extinguishers shall be provided at permanent electrical installations commensurate with the potential fire hazard at such installation in accordance with the recommendations of the National Fire Protection Association.\n\n(e) Two portable fire extinguishers, or the equivalent, shall be provided at each of the following combustible liquid storage installations:\n\n(1) Near each above ground or unburied combustible liquid storage station; and,\n\n(2) Near the transfer pump of each buried combustible liquid storage tank.\n\n(f) Vehicles transporting explosives and blasting agents shall be equipped with fire protection as recommended in Code 495, section 20, National Fire Protection Association Handbook, 12th Edition, 1962.","occurrenceCount":2}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3304637","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}