{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1519290","name":"Infinity #4","status":"Abandoned and Sealed","status_date":"2013-07-03","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Harlan","nearest_town":"Bledsoe","operator_id":"0065203","operator_name":"Infinity Energy Incorporated","controller_id":"C04355","controller_name":"James C  Justice II","district":"C07","office":"Barbourville KY Field Office","employees":0,"latitude":36.926111,"longitude":-83.327222},"coverage":{"contributingSources":16,"registeredSources":20,"sourceRows":1528},"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":"1519290","name":"Infinity #4"},"operator":{"type":"operator","id":"0065203","name":"Infinity Energy Incorporated"},"controller":{"type":"controller","id":"C04355","name":"James C  Justice II"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0054629","name":"John  Lewis"},"object":{"type":"mine","id":"1519290","name":"Infinity #4"},"validFrom":"2005-09-22","validTo":"2008-04-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519290|0054629|2005-09-22|2008-04-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"1519290","name":"Infinity #4"},"validFrom":"2008-04-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519290|C04355|2008-04-04|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0065203","name":"Infinity Energy Incorporated"},"object":{"type":"mine","id":"1519290","name":"Infinity #4"},"validFrom":"2008-08-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519290|0065203|2008-08-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0054629","name":"John  Lewis"},"object":{"type":"operator","id":"0065203","name":"Infinity Energy Incorporated"},"validFrom":"2008-08-12","validTo":"2008-04-03","current":false,"derived":true,"evidenceMineId":"1519290","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519290|0065203|2008-08-12|0054629|2005-09-22|7002"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"0065203","name":"Infinity Energy Incorporated"},"validFrom":"2008-08-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519290","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519290|0065203|2008-08-12|C04355|2008-04-04|65557"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":1,"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":21,"firstDate":"2008-12-09","lastDate":"2011-09-21","metrics":{"daysLost":1246,"injuries":22,"fatalities":0,"recentRows":0,"restrictedDays":8,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"100313","DOCUMENT_NO":"220112720007","ACCIDENT_DT":"09/21/2011","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was inserting the fitting ends in hexagon drill steel and struck his left index finger with a hammer.","sourceDate":"2011-09-21"},{"SOURCE_ROW_NUMBER":"160731","DOCUMENT_NO":"220111230038","ACCIDENT_DT":"04/21/2011","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Continuous miner helper, Coal mole helper, Bridgeman","NO_INJURIES":"2","DAYS_LOST":"73","NARRATIVE":"EE was sitting on the rib in the #2 Entry when a piece of draw rock fell from the top striking him on the back.","sourceDate":"2011-04-21"},{"SOURCE_ROW_NUMBER":"113236","DOCUMENT_NO":"220111230037","ACCIDENT_DT":"04/21/2011","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"2","DAYS_LOST":"37","NARRATIVE":"EE was sitting on the rib in the #2 entry when a piece of draw rock fell from the roof striking him on the back.","sourceDate":"2011-04-21"},{"SOURCE_ROW_NUMBER":"14509","DOCUMENT_NO":"220111020003","ACCIDENT_DT":"04/06/2011","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"EE was holding a hammer against a pump while another EE was hitting with another hammer to drive a pump back onto a bolt machine. A piece of metal broke off, striking EE in the hand.","sourceDate":"2011-04-06"},{"SOURCE_ROW_NUMBER":"216686","DOCUMENT_NO":"220110940040","ACCIDENT_DT":"03/25/2011","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Beltman, Conveyor man,  Conveyor belt worker, Mobile bridge carrierman, Feeder operator, Conveyor rider","NO_INJURIES":"1","DAYS_LOST":"4","NARRATIVE":"Employee stated, he was shoveling the belt line, and strained his muscle, in the upper part of his leg (Right).","sourceDate":"2011-03-25"},{"SOURCE_ROW_NUMBER":"156428","DOCUMENT_NO":"220110940041","ACCIDENT_DT":"03/23/2011","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"6","NARRATIVE":"Employee was walking across section, when he stepped in a hole, twisting his knee.","sourceDate":"2011-03-23"},{"SOURCE_ROW_NUMBER":"35973","DOCUMENT_NO":"220110560029","ACCIDENT_DT":"02/02/2011","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"37","NARRATIVE":"Drill steel fell out of drill hole and hit his left finger.","sourceDate":"2011-02-02"},{"SOURCE_ROW_NUMBER":"255402","DOCUMENT_NO":"220102910068","ACCIDENT_DT":"10/07/2010","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was standing beside feeder, watching a co-worker use a come-along to put conveyor chain back together, when the chain slipped & hit EE on the right cheek, causing him to get 7 stitches.","sourceDate":"2010-10-07"},{"SOURCE_ROW_NUMBER":"113235","DOCUMENT_NO":"220102290051","ACCIDENT_DT":"08/05/2010","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was putting a medal guard on the side of a head drive, when it slipped and slide down his hand and cut his middle finger. EE was taken to Hospital ER room where he had 7 stitches put in his finger.","sourceDate":"2010-08-05"},{"SOURCE_ROW_NUMBER":"121816","DOCUMENT_NO":"220102180032","ACCIDENT_DT":"07/22/2010","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Beltman, Conveyor man,  Conveyor belt worker, Mobile bridge carrierman, Feeder operator, Conveyor rider","NO_INJURIES":"1","DAYS_LOST":"1","NARRATIVE":"EE was changing structure when he mashed his left index finger, resulting in 7 stitches. This accident occurred on 2A belt line.","sourceDate":"2010-07-22"},{"SOURCE_ROW_NUMBER":"194962","DOCUMENT_NO":"220101580045","ACCIDENT_DT":"05/22/2010","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"STRIKING OR BUMPING","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Stopping builder, Ventilation man, Mason man, Overcast","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was walking across the section in the LOB when he ran into a strap that was partially bent down hitting himself on the right ear. Three stitches were placed on his ear.","sourceDate":"2010-05-22"},{"SOURCE_ROW_NUMBER":"186523","DOCUMENT_NO":"220100960030","ACCIDENT_DT":"03/22/2010","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"During the weekly inspection of the Infinity # 4 UG mine which is in non-producing status, a roof fall was discovered in the 1st left panel which is a worked out area. This fall was in the No. 2 entry intersection. The fall was above the roof bolts anchorage. This area has been dangered off with timbers and danger signs.","sourceDate":"2010-03-22"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2013-07-03","lastDate":"2013-07-03","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":305,"firstDate":"2008-09-15","lastDate":"2011-11-30","metrics":{"ss":113,"delinquent":305,"recentRows":0,"paidPenalty":87067.27,"proposedPenalty":115302,"currentAssessment":90372},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1978155","VIOLATION_NO":"8399931","ISSUE_DT":"11/30/2011","CFR_STANDARD_CD":"77.404(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"687.00","CURRENT_ASSESSMENT_AMT":"461.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-30"},{"SOURCE_ROW_NUMBER":"1978154","VIOLATION_NO":"8399930","ISSUE_DT":"11/30/2011","CFR_STANDARD_CD":"77.1605(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-30"},{"SOURCE_ROW_NUMBER":"1978153","VIOLATION_NO":"8399929","ISSUE_DT":"11/30/2011","CFR_STANDARD_CD":"77.1110","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-30"},{"SOURCE_ROW_NUMBER":"1978152","VIOLATION_NO":"8399927","ISSUE_DT":"11/21/2011","CFR_STANDARD_CD":"75.204(c)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"687.00","CURRENT_ASSESSMENT_AMT":"461.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1978151","VIOLATION_NO":"8399926","ISSUE_DT":"11/21/2011","CFR_STANDARD_CD":"75.1722(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"687.00","CURRENT_ASSESSMENT_AMT":"461.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1978150","VIOLATION_NO":"8399925","ISSUE_DT":"11/21/2011","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1530.00","CURRENT_ASSESSMENT_AMT":"1025.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1978149","VIOLATION_NO":"8399924","ISSUE_DT":"11/21/2011","CFR_STANDARD_CD":"75.360(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1978148","VIOLATION_NO":"8399923","ISSUE_DT":"11/21/2011","CFR_STANDARD_CD":"75.1702-1","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1978147","VIOLATION_NO":"8399915","ISSUE_DT":"11/02/2011","CFR_STANDARD_CD":"75.512","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"170.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"1978146","VIOLATION_NO":"8399914","ISSUE_DT":"11/02/2011","CFR_STANDARD_CD":"75.604(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"138.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"1978145","VIOLATION_NO":"8399913","ISSUE_DT":"11/02/2011","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1530.00","CURRENT_ASSESSMENT_AMT":"1025.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"1978144","VIOLATION_NO":"8399912","ISSUE_DT":"11/02/2011","CFR_STANDARD_CD":"75.517","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"687.00","CURRENT_ASSESSMENT_AMT":"461.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-02"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":193,"firstDate":"2010-05-26","lastDate":"2013-04-19","metrics":{"appeals":0,"decisions":193,"recentRows":0,"decisionPenalty":59242,"originalPenalty":85663},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"325400","VIOLATION_NO":"8364599","DOCKET_NO":"KENT 2012-1035","DECISION_DT":"04/19/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"500.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-04-19"},{"SOURCE_ROW_NUMBER":"320903","VIOLATION_NO":"8363970","DOCKET_NO":"KENT 2012-760","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"873.00","DECISION_PENALTY_AMT":"610.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"319714","VIOLATION_NO":"8363946","DOCKET_NO":"KENT 2012-629","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"117.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"319279","VIOLATION_NO":"8363947","DOCKET_NO":"KENT 2012-629","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"946.00","DECISION_PENALTY_AMT":"640.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"318212","VIOLATION_NO":"8399927","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"461.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"318211","VIOLATION_NO":"8399923","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"318210","VIOLATION_NO":"8399915","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"243.00","DECISION_PENALTY_AMT":"170.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"318209","VIOLATION_NO":"8399910","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"243.00","DECISION_PENALTY_AMT":"170.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"317947","VIOLATION_NO":"8399925","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1530.00","DECISION_PENALTY_AMT":"1025.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"317946","VIOLATION_NO":"8399908","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"138.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"317803","VIOLATION_NO":"8399911","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"138.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"},{"SOURCE_ROW_NUMBER":"317439","VIOLATION_NO":"8399926","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"461.00","JUDGE_FIRST_NAME":"William","JUDGE_LAST_NAME":"Moran","sourceDate":"2013-03-22"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":239,"firstDate":"2007-09-21","lastDate":"2011-12-07","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":29,"validSamples":210,"maxConcentration":3.557,"concentrationTotal":95.103},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"85039","CASS_NUM":"51141312","SMP_TAKEN_DT":"12/7/2011","CONC":".129","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-12-07"},{"SOURCE_ROW_NUMBER":"502420","CASS_NUM":"51141347","SMP_TAKEN_DT":"12/6/2011","CONC":".145","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-12-06"},{"SOURCE_ROW_NUMBER":"960150","CASS_NUM":"51141344","SMP_TAKEN_DT":"12/5/2011","CONC":".076","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-12-05"},{"SOURCE_ROW_NUMBER":"776524","CASS_NUM":"51141327","SMP_TAKEN_DT":"12/5/2011","CONC":".102","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-12-05"},{"SOURCE_ROW_NUMBER":"1441956","CASS_NUM":"51141361","SMP_TAKEN_DT":"10/20/2011","CONC":".198","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-10-20"},{"SOURCE_ROW_NUMBER":"183121","CASS_NUM":"51141338","SMP_TAKEN_DT":"10/20/2011","CONC":".303","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-10-20"},{"SOURCE_ROW_NUMBER":"1652184","CASS_NUM":"57895842","SMP_TAKEN_DT":"10/19/2011","CONC":"0","SMP_TYPE_CD_DESC":"INTAKE AIR","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-10-19"},{"SOURCE_ROW_NUMBER":"1474971","CASS_NUM":"57895933","SMP_TAKEN_DT":"10/19/2011","CONC":".066","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-10-19"},{"SOURCE_ROW_NUMBER":"1390689","CASS_NUM":"57895861","SMP_TAKEN_DT":"10/19/2011","CONC":".053","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SCOOP CAR OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-10-19"},{"SOURCE_ROW_NUMBER":"1094360","CASS_NUM":"57895846","SMP_TAKEN_DT":"10/19/2011","CONC":".027","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":"2011-10-19"},{"SOURCE_ROW_NUMBER":"924648","CASS_NUM":"57895957","SMP_TAKEN_DT":"10/19/2011","CONC":".093","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-10-19"},{"SOURCE_ROW_NUMBER":"852118","CASS_NUM":"51141244","SMP_TAKEN_DT":"10/19/2011","CONC":".05","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-10-19"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":193,"firstDate":"2008-11-10","lastDate":"2011-11-30","metrics":{"decisions":193,"ssChanged":12,"recentRows":0,"decisionPenalty":59242,"proposedPenalty":85663},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"27904","CITATION_NO":"8399931","CITATION_ISSUE_DT":"11/30/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"77.404(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"461.00","sourceDate":"2011-11-30"},{"SOURCE_ROW_NUMBER":"309335","CITATION_NO":"8399927","CITATION_ISSUE_DT":"11/21/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.204(c)(1)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"461.00","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"253991","CITATION_NO":"8399923","CITATION_ISSUE_DT":"11/21/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.1702-1","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"253390","CITATION_NO":"8399926","CITATION_ISSUE_DT":"11/21/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.1722(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"461.00","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"139351","CITATION_NO":"8399925","CITATION_ISSUE_DT":"11/21/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1530.00","DECISION_PENALTY_AMT":"1025.00","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"424084","CITATION_NO":"8399910","CITATION_ISSUE_DT":"11/02/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.512","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"243.00","DECISION_PENALTY_AMT":"170.00","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"311042","CITATION_NO":"8399913","CITATION_ISSUE_DT":"11/02/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1530.00","DECISION_PENALTY_AMT":"1025.00","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"310509","CITATION_NO":"8399914","CITATION_ISSUE_DT":"11/02/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.604(b)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"138.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"253389","CITATION_NO":"8399907","CITATION_ISSUE_DT":"11/02/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.1714-3(b)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":"105.00","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"196685","CITATION_NO":"8399915","CITATION_ISSUE_DT":"11/02/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.512","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"243.00","DECISION_PENALTY_AMT":"170.00","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"143151","CITATION_NO":"8399909","CITATION_ISSUE_DT":"11/02/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"461.00","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"140612","CITATION_NO":"8399912","CITATION_ISSUE_DT":"11/02/2011","DOCKET_NO":"KENT 2012-483","DECISION_DT":"03/22/2013","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"461.00","sourceDate":"2011-11-02"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":70,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"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":15,"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":2,"firstDate":"2008-08-12","lastDate":"2008-08-12","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":44,"firstDate":"2008-09-02","lastDate":"2013-07-02","metrics":{"inspectors":80,"recentRows":0,"onSiteHours":1424,"inspectionHours":2331.25,"inspectionSamples":202},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"954554","EVENT_NO":"6427931","INSPECTION_BEGIN_DT":"07/02/2013","INSPECTION_END_DT":"07/10/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2013-07-02"},{"SOURCE_ROW_NUMBER":"494321","EVENT_NO":"4452377","INSPECTION_BEGIN_DT":"06/18/2013","INSPECTION_END_DT":"06/19/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2013-06-18"},{"SOURCE_ROW_NUMBER":"640919","EVENT_NO":"4452317","INSPECTION_BEGIN_DT":"03/18/2013","INSPECTION_END_DT":"03/19/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2013-03-18"},{"SOURCE_ROW_NUMBER":"317123","EVENT_NO":"4452313","INSPECTION_BEGIN_DT":"11/28/2012","INSPECTION_END_DT":"12/10/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2012-11-28"},{"SOURCE_ROW_NUMBER":"899790","EVENT_NO":"4444292","INSPECTION_BEGIN_DT":"09/06/2012","INSPECTION_END_DT":"09/24/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2012-09-06"},{"SOURCE_ROW_NUMBER":"151561","EVENT_NO":"4444287","INSPECTION_BEGIN_DT":"06/07/2012","INSPECTION_END_DT":"06/27/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.75","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2012-06-07"},{"SOURCE_ROW_NUMBER":"288891","EVENT_NO":"6425698","INSPECTION_BEGIN_DT":"03/22/2012","INSPECTION_END_DT":"03/22/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2012-03-22"},{"SOURCE_ROW_NUMBER":"1045609","EVENT_NO":"6425690","INSPECTION_BEGIN_DT":"10/12/2011","INSPECTION_END_DT":"12/22/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"150","SUM_TOTAL_ON_SITE_HOURS":"97.5","sourceDate":"2011-10-12"},{"SOURCE_ROW_NUMBER":"744194","EVENT_NO":"6425689","INSPECTION_BEGIN_DT":"10/11/2011","INSPECTION_END_DT":"10/12/2011","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"9.75","sourceDate":"2011-10-11"},{"SOURCE_ROW_NUMBER":"463176","EVENT_NO":"4444268","INSPECTION_BEGIN_DT":"09/22/2011","INSPECTION_END_DT":"09/22/2011","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2011-09-22"},{"SOURCE_ROW_NUMBER":"64343","EVENT_NO":"4451439","INSPECTION_BEGIN_DT":"07/05/2011","INSPECTION_END_DT":"08/15/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"136","SUM_TOTAL_ON_SITE_HOURS":"95.5","sourceDate":"2011-07-05"},{"SOURCE_ROW_NUMBER":"255346","EVENT_NO":"4444264","INSPECTION_BEGIN_DT":"04/21/2011","INSPECTION_END_DT":"06/07/2011","ACTIVITY_CODE":"E07","ACTIVITY":"Non-Fatal Accident Investigation","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"20.5","SUM_TOTAL_ON_SITE_HOURS":"9.5","sourceDate":"2011-04-21"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":76,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2013-Q2":{"hours":0,"employees":0,"production":0},"2012-Q4":{"hours":0,"employees":0,"production":0},"2012-Q3":{"hours":0,"employees":0,"production":0},"2012-Q2":{"hours":0,"employees":0,"production":0},"2012-Q1":{"hours":0,"employees":0,"production":0},"2011-Q4":{"hours":19397,"employees":36,"production":19582},"2011-Q3":{"hours":21033,"employees":33,"production":38818},"2011-Q2":{"hours":22230,"employees":32,"production":23283},"2011-Q1":{"hours":22456,"employees":34,"production":38658},"2010-Q4":{"hours":21723,"employees":26,"production":24791},"2010-Q3":{"hours":21815,"employees":34,"production":21821},"2010-Q2":{"hours":13713,"employees":24,"production":8560}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":8,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2008":{"hours":19972,"employees":18,"production":53234},"2009":{"hours":71808,"employees":32,"production":125267},"2010":{"hours":57251,"employees":28,"production":55172},"2011":{"hours":85116,"employees":34,"production":120341}},"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":44,"firstDate":"2008-09-22","lastDate":"2011-10-19","metrics":{"recentRows":0,"doseOver100":12,"actDoseTotal":3125,"pelDoseTotal":2396},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"99770","EVENT_NO":"6425690","SURVEY_DATE":"10/19/2011","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"066","ACT_DOSE_85":"112","PEL_DOSE_90":"97","SURVEY_TYPE":"I","sourceDate":"2011-10-19"},{"SOURCE_ROW_NUMBER":"99769","EVENT_NO":"6425690","SURVEY_DATE":"10/19/2011","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"70","PEL_DOSE_90":"50","SURVEY_TYPE":"I","sourceDate":"2011-10-19"},{"SOURCE_ROW_NUMBER":"99768","EVENT_NO":"6425690","SURVEY_DATE":"10/19/2011","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"39","PEL_DOSE_90":"10","SURVEY_TYPE":"I","sourceDate":"2011-10-19"},{"SOURCE_ROW_NUMBER":"99759","EVENT_NO":"4451439","SURVEY_DATE":"08/02/2011","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"066","ACT_DOSE_85":"86","PEL_DOSE_90":"46","SURVEY_TYPE":"I","sourceDate":"2011-08-02"},{"SOURCE_ROW_NUMBER":"99758","EVENT_NO":"4451439","SURVEY_DATE":"08/02/2011","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"066","ACT_DOSE_85":"56","PEL_DOSE_90":"53","SURVEY_TYPE":"I","sourceDate":"2011-08-02"},{"SOURCE_ROW_NUMBER":"99757","EVENT_NO":"4451439","SURVEY_DATE":"08/02/2011","OCCUPATION_CD_DESC":"CONTINUOUS MINER HELPER","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"14","PEL_DOSE_90":"10","SURVEY_TYPE":"I","sourceDate":"2011-08-02"},{"SOURCE_ROW_NUMBER":"99756","EVENT_NO":"4451439","SURVEY_DATE":"08/02/2011","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"23","PEL_DOSE_90":"14","SURVEY_TYPE":"I","sourceDate":"2011-08-02"},{"SOURCE_ROW_NUMBER":"99755","EVENT_NO":"4451439","SURVEY_DATE":"08/02/2011","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"19","PEL_DOSE_90":"13","SURVEY_TYPE":"I","sourceDate":"2011-08-02"},{"SOURCE_ROW_NUMBER":"99754","EVENT_NO":"4451437","SURVEY_DATE":"06/06/2011","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"194","PEL_DOSE_90":"177","SURVEY_TYPE":"I","sourceDate":"2011-06-06"},{"SOURCE_ROW_NUMBER":"99753","EVENT_NO":"4451437","SURVEY_DATE":"06/06/2011","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"066","ACT_DOSE_85":"119","PEL_DOSE_90":"106","SURVEY_TYPE":"I","sourceDate":"2011-06-06"},{"SOURCE_ROW_NUMBER":"99752","EVENT_NO":"4451437","SURVEY_DATE":"06/06/2011","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"066","ACT_DOSE_85":"121","PEL_DOSE_90":"110","SURVEY_TYPE":"I","sourceDate":"2011-06-06"},{"SOURCE_ROW_NUMBER":"99751","EVENT_NO":"4451437","SURVEY_DATE":"06/06/2011","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"59","PEL_DOSE_90":"40","SURVEY_TYPE":"I","sourceDate":"2011-06-06"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":6,"firstDate":"2008-11-25","lastDate":"2011-08-02","metrics":{"recentRows":0,"voidSamples":0,"maxQuartzPct":7.7,"validSamples":6,"quartzPctTotal":36.3},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"113822","CASSETTE_NO":"57896345","SAMPLE_DT":"08/02/2011","QUARTZ_PCT":"06.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-08-02"},{"SOURCE_ROW_NUMBER":"4761","CASSETTE_NO":"57861902","SAMPLE_DT":"06/06/2011","QUARTZ_PCT":"07.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-06-06"},{"SOURCE_ROW_NUMBER":"61649","CASSETTE_NO":"57862211","SAMPLE_DT":"03/21/2011","QUARTZ_PCT":"05.6","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-03-21"},{"SOURCE_ROW_NUMBER":"144182","CASSETTE_NO":"57815951","SAMPLE_DT":"09/01/2009","QUARTZ_PCT":"06.5","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2009-09-01"},{"SOURCE_ROW_NUMBER":"106371","CASSETTE_NO":"57760338","SAMPLE_DT":"01/21/2009","QUARTZ_PCT":"04.7","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2009-01-21"},{"SOURCE_ROW_NUMBER":"48150","CASSETTE_NO":"57758111","SAMPLE_DT":"11/25/2008","QUARTZ_PCT":"05.1","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-11-25"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":310,"firstDate":"2008-09-15","lastDate":"2011-11-30","metrics":{"ss":113,"amountDue":90372,"contested":94,"amountPaid":87067.27,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":115302},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1140084","VIOLATION_NO":"8399931","VIOLATION_ISSUE_DT":"11/30/2011","SIG_SUB":"Y","PART_SECTION":"77.404(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/22/2011","PROPOSED_PENALTY":"687","AMOUNT_DUE":"461","AMOUNT_PAID":"461","CONTESTED_IND":"N","sourceDate":"2011-11-30"},{"SOURCE_ROW_NUMBER":"1140083","VIOLATION_NO":"8399930","VIOLATION_ISSUE_DT":"11/30/2011","SIG_SUB":"N","PART_SECTION":"77.1605(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/06/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2011-11-30"},{"SOURCE_ROW_NUMBER":"1140082","VIOLATION_NO":"8399929","VIOLATION_ISSUE_DT":"11/30/2011","SIG_SUB":"N","PART_SECTION":"77.1110","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/30/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-30"},{"SOURCE_ROW_NUMBER":"1140081","VIOLATION_NO":"8399927","VIOLATION_ISSUE_DT":"11/21/2011","SIG_SUB":"Y","PART_SECTION":"75.204(c)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/21/2011","PROPOSED_PENALTY":"687","AMOUNT_DUE":"461","AMOUNT_PAID":"461","CONTESTED_IND":"N","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1140080","VIOLATION_NO":"8399926","VIOLATION_ISSUE_DT":"11/21/2011","SIG_SUB":"Y","PART_SECTION":"75.1722(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/21/2011","PROPOSED_PENALTY":"687","AMOUNT_DUE":"461","AMOUNT_PAID":"461","CONTESTED_IND":"N","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1140079","VIOLATION_NO":"8399925","VIOLATION_ISSUE_DT":"11/21/2011","SIG_SUB":"Y","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/21/2011","PROPOSED_PENALTY":"1530","AMOUNT_DUE":"1025","AMOUNT_PAID":"1025","CONTESTED_IND":"N","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1140078","VIOLATION_NO":"8399924","VIOLATION_ISSUE_DT":"11/21/2011","SIG_SUB":"N","PART_SECTION":"75.360(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/30/2011","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1140077","VIOLATION_NO":"8399923","VIOLATION_ISSUE_DT":"11/21/2011","SIG_SUB":"N","PART_SECTION":"75.1702-1","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/30/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1140076","VIOLATION_NO":"8399915","VIOLATION_ISSUE_DT":"11/02/2011","SIG_SUB":"N","PART_SECTION":"75.512","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/02/2011","PROPOSED_PENALTY":"243","AMOUNT_DUE":"170","AMOUNT_PAID":"170","CONTESTED_IND":"N","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"1140075","VIOLATION_NO":"8399914","VIOLATION_ISSUE_DT":"11/02/2011","SIG_SUB":"N","PART_SECTION":"75.604(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/02/2011","PROPOSED_PENALTY":"138","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"1140074","VIOLATION_NO":"8399913","VIOLATION_ISSUE_DT":"11/02/2011","SIG_SUB":"Y","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/03/2011","PROPOSED_PENALTY":"1530","AMOUNT_DUE":"1025","AMOUNT_PAID":"1025","CONTESTED_IND":"N","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"1140073","VIOLATION_NO":"8399912","VIOLATION_ISSUE_DT":"11/02/2011","SIG_SUB":"Y","PART_SECTION":"75.517","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/02/2011","PROPOSED_PENALTY":"687","AMOUNT_DUE":"461","AMOUNT_PAID":"461","CONTESTED_IND":"N","sourceDate":"2011-11-02"}]}],"safety":{"href":"/api/v1/mines/1519290/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1519290/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 77.404","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 77.1605","heading":"Loading and haulage equipment; installations.","id":"77.1605","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605","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":"Q","subpartHeading":"Subpart Q—Loading and Haulage","text":"(a) Cab windows shall be of safety glass or equivalent, in good condition and shall be kept clean.\n\n(b) Mobile equipment shall be equipped with adequate brakes, and all trucks and front-end loaders shall also be equipped with parking brakes.\n\n(c) Positive-action type brakes shall be provided on aerial tramways.\n\n(d) Mobile equipment shall be provided with audible warning devices. Lights shall be provided on both ends when required.\n\n(e) Guard nets or other suitable protection shall be provided where tramways pass over roadways, walkways, or buildings.\n\n(f) Guards shall be installed to prevent swaying buckets from hitting towers.\n\n(g) Aerial tramway cable connections shall be designed to offer minimum obstruction to the passage of wheels.\n\n(h) Rocker-bottom or bottom-dump cars shall be equipped with positive locking devices, or other suitable devices.\n\n(i) Ramps and dumps shall be of solid construction, of ample width, have ample clearance and headroom, and be kept reasonably free of spillage.\n\n(j) Chute-loading installations shall be designed so that the men pulling chutes are not required to be in a hazardous position during loading operations.\n\n(k) Berms or guards shall be provided on the outer bank of elevated roadways.\n\n(l) Berms, bumper blocks, safety hooks, or similar means shall be provided to prevent overtravel and overturning at dumping locations.\n\n(m) Roadbeds, rails, joints, switches, frogs, and other elements on railroads shall be designed, installed, and maintained in a safe manner consistent with the speed and type of haulage.\n\n(n) Where practicable, a minimum of 30 inches continuous clearance from the farthest projection of moving railroad equipment shall be provided on at least one side of the tracks; all places where it is not possible to provide 30-inch clearance shall be marked conspicuously.\n\n(o) Track guardrails, lead rails, and frogs shall be protected or blocked so as to prevent a person's foot from becoming wedged.\n\n(p) Positive-acting stop-blocks, derail devices, track skates, or other adequate means shall be installed wherever necessary to protect persons from runaway or moving railroad equipment.\n\n(q) Switch throws shall be installed so as to provide adequate clearance for switchmen.\n\n(r) Where necessary, bumper blocks or the equivalent shall be provided at all track dead ends.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1110","heading":"Examination and maintenance of firefighting equipment.","id":"77.1110","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110","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":"Firefighting equipment shall be continuously maintained in a usable and operative condition. Fire extinguishers shall be examined at least once every 6 months and the date of such examination shall be recorded on a permanent tag attached to the extinguisher.\n\n(Pub. L. No. 96-511, 94 Stat. 2812 (44 U.S.C. 3501 et seq.))\n\n[36 FR 9364, May 22, 1971, as amended at 60 FR 33723, June 29, 1995]","occurrenceCount":1},{"chapter":"I","heading":"Roof bolting.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.204","part":"75","subchapter":"O","subpart":"C","id":"75.204","citation":"30 CFR 75.204","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 75.1722","heading":"Mechanical equipment guards.","id":"75.1722","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1722","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"R","subpartHeading":"Subpart R—Miscellaneous","text":"(a) Gears; sprockets; chains; drive, head, tail, and takeup pulleys; flywheels; couplings, shafts; sawblades; fan inlets; and similar exposed moving machine parts which may be contacted by persons, and which may cause injury to persons shall be guarded.\n\n(b) Guards at conveyor-drive, conveyor-head, and conveyor-tail pulleys shall extend a distance sufficient to prevent a person from reaching behind the guard and becoming caught between the belt and the pulley.\n\n(c) Except when testing the machinery, guards shall be securely in place while machinery is being operated.\n\n[38 FR 4976, Feb. 23, 1973]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.400","heading":"Accumulation of combustible materials.","id":"75.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"Coal dust, including float coal dust deposited on rock-dusted surfaces, loose coal, and other combustible materials, shall be cleaned up and not be permitted to accumulate in active workings, or on diesel-powered and electric equipment therein.\n\n[61 FR 55527, Oct. 25, 1996]","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.360","heading":"Preshift examination at fixed intervals.","id":"75.360","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360","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) Except as provided in paragraph (a)(2) of this section, a certified person designated by the operator must make a preshift examination within 3 hours preceding the beginning of any 8-hour interval during which any person is scheduled to work or travel underground. No person other than certified examiners may enter or remain in any underground area unless a preshift examination has been completed for the established 8-hour interval. The operator must establish 8-hour intervals of time subject to the required preshift examinations.\n\n(2) Preshift examinations of areas where pumpers are scheduled to work or travel shall not be required prior to the pumper entering the areas if the pumper is a certified person and the pumper conducts an examination for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(11) of this section, tests for methane and oxygen deficiency, and determines if the air is moving in its proper direction in the area where the pumper works or travels. The examination of the area must be completed before the pumper performs any other work. A record of all hazardous conditions and violations of the mandatory health or safety standards found by the pumper shall be made and retained in accordance with § 75.363 of this part.\n\n(b) The person conducting the preshift examination shall examine for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(11) of this section, test for methane and oxygen deficiency, and determine if the air is moving in its proper direction at the following locations:\n\n(1) Roadways, travelways and track haulageways where persons are scheduled, prior to the beginning of the preshift examination, to work or travel during the oncoming shift.\n\n(2) Belt conveyors that will be used to transport persons during the oncoming shift and the entries in which these belt conveyors are located.\n\n(3) Working sections and areas where mechanized mining equipment is being installed or removed, if anyone is scheduled to work on the section or in the area during the oncoming shift. The scope of the examination shall include the working places, approaches to worked-out areas and ventilation controls on these sections and in these areas, and the examination shall include tests of the roof, face and rib conditions on these sections and in these areas.\n\n(4) Approaches to worked-out areas along intake air courses and at the entries used to carry air into worked-out areas if the intake air passing the approaches is used to ventilate working sections where anyone is scheduled to work during the oncoming shift. The examination of the approaches to the worked-out areas shall be made in the intake air course immediately inby and outby each entry used to carry air into the worked-out area. An examination of the entries used to carry air into the worked-out areas shall be conducted at a point immediately inby the intersection of each entry with the intake air course.\n\n(5) Seals along intake air courses where intake air passes by a seal to ventilate working sections where anyone is scheduled to work during the oncoming shift.\n\n(6)(i) Entries and rooms developed after November 15, 1992, and developed more than 2 crosscuts off an intake air course without permanent ventilation controls where intake air passes through or by these entries or rooms to reach a working section where anyone is scheduled to work during the oncoming shift; and,\n\n(ii) Entries and rooms developed after November 15, 1992, and driven more than 20 feet off an intake air course without a crosscut and without permanent ventilation controls where intake air passes through or by these entries or rooms to reach a working section where anyone is scheduled to work during the oncoming shift.\n\n(7) Areas where trolley wires or trolley feeder wires are to be or will remain energized during the oncoming shift.\n\n(8) High spots along intake air courses where methane is likely to accumulate, if equipment will be operated in the area during the shift.\n\n(9) Underground electrical installations referred to in § 75.340(a), except those pumps listed in § 75.340 (b)(2) through (b)(6), and areas where compressors subject to § 75.344 are installed if the electrical installation or compressor is or will be energized during the shift.\n\n(10) Other areas where work or travel during the oncoming shift is scheduled prior to the beginning of the preshift examination.\n\n(11) Preshift examinations shall include examinations to identify violations of the standards listed below:\n\n(i) §§ 75.202(a) and 75.220(a)(1)—roof control;\n\n(ii) §§ 75.333(h) and 75.370(a)(1)—ventilation, methane;\n\n(iii) §§ 75.400 and 75.403—accumulations of combustible materials and application of rock dust;\n\n(iv) § 75.1403—other safeguards, limited to maintenance of travelways along belt conveyors, off track haulage roadways, and track haulage, track switches, and other components for haulage;\n\n(v) § 75.1722(a)—guarding moving machine parts; and\n\n(vi) § 75.1731(a)—maintenance of belt conveyor components.\n\n(c) The person conducting the preshift examination shall determine the volume of air entering each of the following areas if anyone is scheduled to work in the areas during the oncoming shift:\n\n(1) In the last open crosscut of each set of entries or rooms on each working section and areas where mechanized mining equipment is being installed or removed. The last open crosscut is the crosscut in the line of pillars containing the permanent stoppings that separate the intake air courses and the return air courses.\n\n(2) On each longwall or shortwall in the intake entry or entries at the intake end of the longwall or shortwall face immediately outby the face and the velocity of air at each end of the face at the locations specified in the approved ventilation plan.\n\n(3) At the intake end of any pillar line—\n\n(i) If a single split of air is used, in the intake entry furthest from the return air course, immediately outby the first open crosscut outby the line of pillars being mined; or\n\n(ii) If a split system is used, in the intake entries of each split immediately inby the split point.\n\n(d) The person conducting the preshift examination shall check the refuge alternative for damage, the integrity of the tamper-evident seal and the mechanisms required to deploy the refuge alternative, and the ready availability of compressed oxygen and air.\n\n(e) The district manager may require the operator to examine other areas of the mine or examine for other hazards and violations of other mandatory health or safety standards found during the preshift examination.\n\n(f) Certification. At each working place examined, the person doing the preshift examination shall certify by initials, date, and the time, that the examination was made. In areas required to be examined outby a working section, the certified person shall certify by initials, date, and the time at enough locations to show that the entire area has been examined.\n\n(g) Recordkeeping. A record of the results of each preshift examination, including a record of hazardous conditions and violations of the nine mandatory health or safety standards and their locations found by the examiner during each examination, and of the results and locations of air and methane measurements, shall be made on the surface before any persons, other than certified persons conducting examinations required by this subpart, enter any underground area of the mine. The results of methane tests shall be recorded as the percentage of methane measured by the examiner. The record shall be made by the certified person who made the examination or by a person designated by the operator. If the record is made by someone other than the examiner, the examiner shall verify the record by initials and date by or at the end of the shift for which the examination was made. A record shall also be made by a certified person of the action taken to correct hazardous conditions and violations of mandatory health or safety standards found during the preshift examination. All preshift and corrective action records shall be countersigned by the mine foreman or equivalent mine official by the end of the mine foreman's or equivalent mine official's next regularly scheduled working shift. The records required by this section shall be made in a secure book that is not susceptible to alteration or electronically in a computer system so as to be secure and not susceptible to alteration.\n\n(h) Retention period. Records shall be retained at a surface location at the mine for at least 1 year and shall be made available for inspection by authorized representatives of the Secretary and the representative of miners.\n\n[61 FR 9829, Mar. 11, 1996, as amended at 61 FR 55527, Oct. 25, 1996; 62 FR 35085, June 30, 1997; 64 FR 45170, Aug. 19, 1999; 73 FR 80697, Dec. 31, 2008; 77 FR 20714, Apr. 6, 2012]","occurrenceCount":1},{"chapter":"I","heading":"Smoking programs.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1702-1","part":"75","subchapter":"O","subpart":"R","id":"75.1702-1","citation":"30 CFR 75.1702-1","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","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 75.604","heading":"Permanent splicing of trailing cables.","id":"75.604","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.604","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"G","subpartHeading":"Subpart G—Trailing Cables","text":"[Statutory Provisions]\n\nWhen permanent splices in trailing cables are made, they shall be:\n\n(a) Mechanically strong with adequate electrical conductivity and flexibility;\n\n(b) Effectively insulated and sealed so as to exclude moisture; and\n\n(c) Vulcanized or otherwise treated with suitable materials to provide flame-resistant qualities and good bonding to the outer jacket.\n\n(d) Made using splice kits accepted or approved by MSHA as flame resistant.\n\n[35 FR 17890, Nov. 20, 1970, as amended at 57 FR 61223, Dec. 23, 1992]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.517","heading":"Power wires and cables; insulation and protection.","id":"75.517","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517","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 Provisions]\n\nPower wires and cables, except trolley wires, trolley feeder wires, and bare signal wires, shall be insulated adequately and fully protected.","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1519290","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}