{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4608268","name":"No. 6","status":"Abandoned","status_date":"2018-07-27","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Logan","nearest_town":"Man","operator_id":"P24390","operator_name":"Rockhouse Creek Development LLC","controller_id":"C13562","controller_name":"James River Coal Company","district":"C04","office":"Beckley District","employees":0,"latitude":37.73,"longitude":-81.890833},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":3043},"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":"4608268","name":"No. 6"},"operator":{"type":"operator","id":"P24390","name":"Rockhouse Creek Development LLC"},"controller":{"type":"controller","id":"C13562","name":"James River Coal Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21983","name":"Kazin Coal Inc"},"object":{"type":"mine","id":"4608268","name":"No. 6"},"validFrom":"1992-02-01","validTo":"1993-10-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|P21983|1992-02-01|1993-10-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13742","name":"Stephen  Hairston"},"object":{"type":"mine","id":"4608268","name":"No. 6"},"validFrom":"1992-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|C13742|1992-02-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13742","name":"Stephen  Hairston"},"object":{"type":"operator","id":"P21983","name":"Kazin Coal Inc"},"validFrom":"1992-02-01","validTo":"1993-10-12","current":false,"derived":true,"evidenceMineId":"4608268","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|P21983|1992-02-01|C13742|1992-02-01|91019"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22519","name":"Bar-B Trucking Inc"},"object":{"type":"mine","id":"4608268","name":"No. 6"},"validFrom":"1993-10-13","validTo":"2004-09-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|P22519|1993-10-13|2004-09-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14930","name":"Huffman Glen A Jr"},"object":{"type":"mine","id":"4608268","name":"No. 6"},"validFrom":"1993-10-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|C14930|1993-10-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14930","name":"Huffman Glen A Jr"},"object":{"type":"operator","id":"P22519","name":"Bar-B Trucking Inc"},"validFrom":"1993-10-13","validTo":"2004-09-08","current":false,"derived":true,"evidenceMineId":"4608268","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|P22519|1993-10-13|C14930|1993-10-13|94283"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13442","name":"International Industries Inc"},"object":{"type":"mine","id":"4608268","name":"No. 6"},"validFrom":"1999-06-01","validTo":"2007-07-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|C13442|1999-06-01|2007-07-15"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24390","name":"Rockhouse Creek Development LLC"},"object":{"type":"mine","id":"4608268","name":"No. 6"},"validFrom":"2004-09-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|P24390|2004-09-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13442","name":"International Industries Inc"},"object":{"type":"operator","id":"P24390","name":"Rockhouse Creek Development LLC"},"validFrom":"2004-09-09","validTo":"2007-07-15","current":false,"derived":true,"evidenceMineId":"4608268","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|P24390|2004-09-09|C13442|1999-06-01|90005"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0069031","name":"International Resources LLC"},"object":{"type":"mine","id":"4608268","name":"No. 6"},"validFrom":"2007-07-16","validTo":"2011-04-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|0069031|2007-07-16|2011-04-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0069031","name":"International Resources LLC"},"object":{"type":"operator","id":"P24390","name":"Rockhouse Creek Development LLC"},"validFrom":"2007-07-16","validTo":"2011-04-17","current":false,"derived":true,"evidenceMineId":"4608268","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|P24390|2004-09-09|0069031|2007-07-16|9755"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"mine","id":"4608268","name":"No. 6"},"validFrom":"2011-04-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|C13562|2011-04-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"operator","id":"P24390","name":"Rockhouse Creek Development LLC"},"validFrom":"2011-04-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608268","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608268|P24390|2004-09-09|C13562|2011-04-18|90473"}}],"coverage":{"historyRecords":5,"edgeCount":13,"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":45,"firstDate":"2005-05-13","lastDate":"2013-01-11","metrics":{"daysLost":614,"injuries":39,"fatalities":0,"recentRows":0,"restrictedDays":128,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"20946","DOCUMENT_NO":"220131650012","ACCIDENT_DT":"01/11/2013","DEGREE_INJURY":"OCCUPATNAL ILLNESS NOT DEG 1-6","CLASSIFICATION":"DUST DISEASE OF LUNGS","ACCIDENT_TYPE":"Inhalation of radiations, caustics, toxic and noxious substances","OCCUPATION":"Bull gang foreman, Labor foreman, Leadman, Section foreman, Shift boss","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Occupational Pneumoconiosis","sourceDate":"2013-01-11"},{"SOURCE_ROW_NUMBER":"136961","DOCUMENT_NO":"220123320021","ACCIDENT_DT":"11/15/2012","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck by powered moving object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"75","NARRATIVE":"EE was operating a 3 wheeled personnel carrier and the tram petal stuck running under a separate ride.","sourceDate":"2012-11-15"},{"SOURCE_ROW_NUMBER":"111031","DOCUMENT_NO":"220123060018","ACCIDENT_DT":"10/18/2012","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"9","NARRATIVE":"EE was duck walking looking for bad places in a piece of cable. The ee slipped on a wet piece of draw rock falling aprox 26\" hitting his elbow.","sourceDate":"2012-10-18"},{"SOURCE_ROW_NUMBER":"46749","DOCUMENT_NO":"220122620048","ACCIDENT_DT":"09/14/2012","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"128","NARRATIVE":"EE was tramming 3 wheeled personal carrier to the outside. The ee stated that he drove through the flypads holding them up with his foot. His foot got caught in the top.","sourceDate":"2012-09-14"},{"SOURCE_ROW_NUMBER":"171514","DOCUMENT_NO":"220121980046","ACCIDENT_DT":"07/14/2012","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was crawling off the top of a set of scoop batteries after putting them on charge. Swung leg over side and caught a piece of metal.","sourceDate":"2012-07-14"},{"SOURCE_ROW_NUMBER":"266110","DOCUMENT_NO":"220121920014","ACCIDENT_DT":"07/09/2012","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"The EE was loading tool boxes into scoop bucket. He pulled one end of the box  around and felt something pull in his back.","sourceDate":"2012-07-09"},{"SOURCE_ROW_NUMBER":"115393","DOCUMENT_NO":"220121660014","ACCIDENT_DT":"06/12/2012","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE ran into corner with S/C causing the corner of the rib to roll off. The EE got out of the S/C to move the the rock out of the way and the rest of the corner fell hitting him in front of the right ear.","sourceDate":"2012-06-12"},{"SOURCE_ROW_NUMBER":"171513","DOCUMENT_NO":"220121530025","ACCIDENT_DT":"05/30/2012","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"88","NARRATIVE":"Employee had changed a pressure gauge on the continuous mining machine, employee was positioned at the rear bumper of the machine, he asked the machine operator to start the machine, the machine operator bowed the head of the machine causing the machine to go to the mine floor mashing the employee's foot.","sourceDate":"2012-05-30"},{"SOURCE_ROW_NUMBER":"38219","DOCUMENT_NO":"220120660051","ACCIDENT_DT":"03/05/2012","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was repairing the shuttle car cable when his knife slipped and cut his hand.","sourceDate":"2012-03-05"},{"SOURCE_ROW_NUMBER":"236071","DOCUMENT_NO":"220120520090","ACCIDENT_DT":"02/20/2012","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Apprentice, Trainee","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"The EE was greasing the feeder and was getting up and felt a pop in his right elbow.","sourceDate":"2012-02-20"},{"SOURCE_ROW_NUMBER":"162891","DOCUMENT_NO":"220120330026","ACCIDENT_DT":"02/01/2012","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Bull gang foreman, Labor foreman, Leadman, Section foreman, Shift boss","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Removing belt structure from under old belt set up @ old 10 head, employee slipped and fell breaking his ankle.","sourceDate":"2012-02-01"},{"SOURCE_ROW_NUMBER":"123876","DOCUMENT_NO":"220120190021","ACCIDENT_DT":"01/18/2012","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"The EE was working on a s/c and his wrench broke hitting his arm with sharp edge.","sourceDate":"2012-01-18"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2018-07-27","lastDate":"2018-07-27","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":662,"firstDate":"2005-03-17","lastDate":"2013-02-06","metrics":{"ss":122,"delinquent":630,"recentRows":0,"paidPenalty":329248.25,"proposedPenalty":600138,"currentAssessment":329320.25},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1842662","VIOLATION_NO":"7170319","ISSUE_DT":"02/06/2013","CFR_STANDARD_CD":"77.404(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"190.00","CURRENT_ASSESSMENT_AMT":"190.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-02-06"},{"SOURCE_ROW_NUMBER":"1842661","VIOLATION_NO":"7170307","ISSUE_DT":"01/23/2013","CFR_STANDARD_CD":"75.403","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-23"},{"SOURCE_ROW_NUMBER":"1842660","VIOLATION_NO":"7170306","ISSUE_DT":"01/23/2013","CFR_STANDARD_CD":"75.351(n)(3)(i)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"150.00","CURRENT_ASSESSMENT_AMT":"150.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-23"},{"SOURCE_ROW_NUMBER":"1842659","VIOLATION_NO":"7170305","ISSUE_DT":"01/18/2013","CFR_STANDARD_CD":"75.370(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"460.00","CURRENT_ASSESSMENT_AMT":"460.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-18"},{"SOURCE_ROW_NUMBER":"1842658","VIOLATION_NO":"7170304","ISSUE_DT":"01/17/2013","CFR_STANDARD_CD":"75.370(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"190.00","CURRENT_ASSESSMENT_AMT":"190.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-17"},{"SOURCE_ROW_NUMBER":"1842657","VIOLATION_NO":"7170303","ISSUE_DT":"01/15/2013","CFR_STANDARD_CD":"72.630(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1203.00","CURRENT_ASSESSMENT_AMT":"1023.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"1842656","VIOLATION_NO":"7170302","ISSUE_DT":"01/15/2013","CFR_STANDARD_CD":"75.1725(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"745.00","CURRENT_ASSESSMENT_AMT":"745.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"1842655","VIOLATION_NO":"7170301","ISSUE_DT":"01/15/2013","CFR_STANDARD_CD":"75.523-3(b)(5)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"745.00","CURRENT_ASSESSMENT_AMT":"559.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"1842654","VIOLATION_NO":"7170300","ISSUE_DT":"01/15/2013","CFR_STANDARD_CD":"75.1107-3(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":"2013-01-15"},{"SOURCE_ROW_NUMBER":"1842653","VIOLATION_NO":"7170299","ISSUE_DT":"01/15/2013","CFR_STANDARD_CD":"75.1725(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"745.00","CURRENT_ASSESSMENT_AMT":"633.25","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"1842652","VIOLATION_NO":"7170298","ISSUE_DT":"01/10/2013","CFR_STANDARD_CD":"75.1725(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"745.00","CURRENT_ASSESSMENT_AMT":"745.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-10"},{"SOURCE_ROW_NUMBER":"1842651","VIOLATION_NO":"7170297","ISSUE_DT":"01/10/2013","CFR_STANDARD_CD":"75.808","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"499.00","CURRENT_ASSESSMENT_AMT":"499.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-01-10"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":274,"firstDate":"2007-03-26","lastDate":"2015-06-03","metrics":{"appeals":0,"decisions":274,"recentRows":0,"decisionPenalty":222416.25,"originalPenalty":596071},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"330996","VIOLATION_NO":"7271291","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1203.00","DECISION_PENALTY_AMT":"1203.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"330190","VIOLATION_NO":"7271303","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1412.00","DECISION_PENALTY_AMT":"1412.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"330189","VIOLATION_NO":"7271289","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1304.00","DECISION_PENALTY_AMT":"1304.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"330188","VIOLATION_NO":"7271282","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1530.00","DECISION_PENALTY_AMT":"1530.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"330104","VIOLATION_NO":"8138664","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"3143.00","DECISION_PENALTY_AMT":"1500.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"329997","VIOLATION_NO":"7271294","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"634.00","DECISION_PENALTY_AMT":"634.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"329996","VIOLATION_NO":"7271293","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"540.00","DECISION_PENALTY_AMT":"540.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"329926","VIOLATION_NO":"7271296","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1530.00","DECISION_PENALTY_AMT":"1000.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"89900","VIOLATION_NO":"8146598","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1111.00","DECISION_PENALTY_AMT":"1111.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"89899","VIOLATION_NO":"8146572","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1530.00","DECISION_PENALTY_AMT":"1530.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"89898","VIOLATION_NO":"7271297","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1530.00","DECISION_PENALTY_AMT":"1530.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"89897","VIOLATION_NO":"7271278","DOCKET_NO":"WEVA 2012-1596","DECISION_DT":"06/03/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2106.00","DECISION_PENALTY_AMT":"1000.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2015-06-03"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":519,"firstDate":"2000-02-15","lastDate":"2013-05-02","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":79,"validSamples":440,"maxConcentration":74.423,"concentrationTotal":433.128},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"341813","CASS_NUM":"51239939","SMP_TAKEN_DT":"5/2/2013","CONC":"1.305","SMP_TYPE_CD_DESC":"PART 90 MINER","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BELT MAN/CONVEYOR MAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2013-05-02"},{"SOURCE_ROW_NUMBER":"1288906","CASS_NUM":"51222555","SMP_TAKEN_DT":"4/24/2013","CONC":".152","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":"2013-04-24"},{"SOURCE_ROW_NUMBER":"545387","CASS_NUM":"51222786","SMP_TAKEN_DT":"3/25/2013","CONC":".074","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"UNREPRESENTATIVE SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2013-03-25"},{"SOURCE_ROW_NUMBER":"1262839","CASS_NUM":"51222796","SMP_TAKEN_DT":"3/22/2013","CONC":".668","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":"2013-03-22"},{"SOURCE_ROW_NUMBER":"1270275","CASS_NUM":"51222873","SMP_TAKEN_DT":"3/21/2013","CONC":".264","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":"2013-03-21"},{"SOURCE_ROW_NUMBER":"1368150","CASS_NUM":"51222559","SMP_TAKEN_DT":"3/20/2013","CONC":".524","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":"2013-03-20"},{"SOURCE_ROW_NUMBER":"396685","CASS_NUM":"51222872","SMP_TAKEN_DT":"3/19/2013","CONC":".165","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":"2013-03-19"},{"SOURCE_ROW_NUMBER":"1129491","CASS_NUM":"51193138","SMP_TAKEN_DT":"3/4/2013","CONC":".077","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":"2013-03-04"},{"SOURCE_ROW_NUMBER":"407172","CASS_NUM":"51223021","SMP_TAKEN_DT":"3/1/2013","CONC":".372","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":"2013-03-01"},{"SOURCE_ROW_NUMBER":"1151273","CASS_NUM":"51222837","SMP_TAKEN_DT":"2/22/2013","CONC":".168","SMP_TYPE_CD_DESC":"PART 90 MINER","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BELT MAN/CONVEYOR MAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2013-02-22"},{"SOURCE_ROW_NUMBER":"1402393","CASS_NUM":"51222821","SMP_TAKEN_DT":"2/21/2013","CONC":".576","SMP_TYPE_CD_DESC":"PART 90 MINER","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BELT MAN/CONVEYOR MAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2013-02-21"},{"SOURCE_ROW_NUMBER":"1489298","CASS_NUM":"51222847","SMP_TAKEN_DT":"2/20/2013","CONC":".779","SMP_TYPE_CD_DESC":"PART 90 MINER","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BELT MAN/CONVEYOR MAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2013-02-20"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":33,"firstDate":"2007-01-30","lastDate":"2012-07-03","metrics":{"linkedIssuances":33},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":274,"firstDate":"2006-08-10","lastDate":"2013-01-15","metrics":{"decisions":274,"ssChanged":95,"recentRows":0,"decisionPenalty":222416.25,"proposedPenalty":596071},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"200545","CITATION_NO":"7170299","CITATION_ISSUE_DT":"01/15/2013","DOCKET_NO":"WEVA 2013-1162","DECISION_DT":"03/28/2014","CFR_STANDARD_CODE":"75.1725(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"633.25","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"31231","CITATION_NO":"7170303","CITATION_ISSUE_DT":"01/15/2013","DOCKET_NO":"WEVA 2013-735","DECISION_DT":"09/30/2013","CFR_STANDARD_CODE":"72.630(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1203.00","DECISION_PENALTY_AMT":"1023.00","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"30862","CITATION_NO":"7170301","CITATION_ISSUE_DT":"01/15/2013","DOCKET_NO":"WEVA 2013-735","DECISION_DT":"09/30/2013","CFR_STANDARD_CODE":"75.523-3(b)(5)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"559.00","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"200830","CITATION_NO":"7170297","CITATION_ISSUE_DT":"01/10/2013","DOCKET_NO":"WEVA 2013-587","DECISION_DT":"11/26/2013","CFR_STANDARD_CODE":"75.808","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"499.00","DECISION_PENALTY_AMT":"499.00","sourceDate":"2013-01-10"},{"SOURCE_ROW_NUMBER":"143986","CITATION_NO":"7170296","CITATION_ISSUE_DT":"01/10/2013","DOCKET_NO":"WEVA 2013-587","DECISION_DT":"11/26/2013","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1412.00","DECISION_PENALTY_AMT":"1412.00","sourceDate":"2013-01-10"},{"SOURCE_ROW_NUMBER":"427638","CITATION_NO":"7170293","CITATION_ISSUE_DT":"01/09/2013","DOCKET_NO":"WEVA 2013-587","DECISION_DT":"11/26/2013","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2473.00","DECISION_PENALTY_AMT":"1235.00","sourceDate":"2013-01-09"},{"SOURCE_ROW_NUMBER":"371636","CITATION_NO":"7170283","CITATION_ISSUE_DT":"01/08/2013","DOCKET_NO":"WEVA 2013-587","DECISION_DT":"11/26/2013","CFR_STANDARD_CODE":"75.701","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"1412.00","DECISION_PENALTY_AMT":"828.00","sourceDate":"2013-01-08"},{"SOURCE_ROW_NUMBER":"368705","CITATION_NO":"7170284","CITATION_ISSUE_DT":"01/08/2013","DOCKET_NO":"WEVA 2013-587","DECISION_DT":"11/26/2013","CFR_STANDARD_CODE":"75.1403","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"2106.00","DECISION_PENALTY_AMT":"1569.00","sourceDate":"2013-01-08"},{"SOURCE_ROW_NUMBER":"260955","CITATION_NO":"7170287","CITATION_ISSUE_DT":"01/08/2013","DOCKET_NO":"WEVA 2013-587","DECISION_DT":"11/26/2013","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"1412.00","DECISION_PENALTY_AMT":"317.00","sourceDate":"2013-01-08"},{"SOURCE_ROW_NUMBER":"200832","CITATION_NO":"7170289","CITATION_ISSUE_DT":"01/08/2013","DOCKET_NO":"WEVA 2013-587","DECISION_DT":"11/26/2013","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"1412.00","DECISION_PENALTY_AMT":"317.00","sourceDate":"2013-01-08"},{"SOURCE_ROW_NUMBER":"200831","CITATION_NO":"7170288","CITATION_ISSUE_DT":"01/08/2013","DOCKET_NO":"WEVA 2013-587","DECISION_DT":"11/26/2013","CFR_STANDARD_CODE":"75.503","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"207.00","DECISION_PENALTY_AMT":"207.00","sourceDate":"2013-01-08"},{"SOURCE_ROW_NUMBER":"31230","CITATION_NO":"7170285","CITATION_ISSUE_DT":"01/08/2013","DOCKET_NO":"WEVA 2013-587","DECISION_DT":"11/26/2013","CFR_STANDARD_CODE":"75.503","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"207.00","DECISION_PENALTY_AMT":"207.00","sourceDate":"2013-01-08"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":280,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":4,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":53,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":4,"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":5,"firstDate":"1992-02-01","lastDate":"2004-09-09","metrics":{"recentRows":0,"currentOperatorTenures":3,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":58,"firstDate":"2000-09-21","lastDate":"2013-06-20","metrics":{"inspectors":103,"recentRows":0,"onSiteHours":2589,"inspectionHours":4242,"inspectionSamples":287},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"737412","EVENT_NO":"6297678","INSPECTION_BEGIN_DT":"06/20/2013","INSPECTION_END_DT":"06/20/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2013-06-20"},{"SOURCE_ROW_NUMBER":"544568","EVENT_NO":"6301651","INSPECTION_BEGIN_DT":"05/20/2013","INSPECTION_END_DT":"05/31/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2013-05-20"},{"SOURCE_ROW_NUMBER":"5368","EVENT_NO":"6301151","INSPECTION_BEGIN_DT":"03/28/2013","INSPECTION_END_DT":"03/28/2013","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2013-03-28"},{"SOURCE_ROW_NUMBER":"438223","EVENT_NO":"6297074","INSPECTION_BEGIN_DT":"03/27/2013","INSPECTION_END_DT":"03/27/2013","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2013-03-27"},{"SOURCE_ROW_NUMBER":"175453","EVENT_NO":"6298160","INSPECTION_BEGIN_DT":"01/02/2013","INSPECTION_END_DT":"02/07/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"135","SUM_TOTAL_ON_SITE_HOURS":"82.25","sourceDate":"2013-01-02"},{"SOURCE_ROW_NUMBER":"743554","EVENT_NO":"6296975","INSPECTION_BEGIN_DT":"11/05/2012","INSPECTION_END_DT":"11/05/2012","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2012-11-05"},{"SOURCE_ROW_NUMBER":"166239","EVENT_NO":"6298157","INSPECTION_BEGIN_DT":"10/01/2012","INSPECTION_END_DT":"11/26/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"153.5","SUM_TOTAL_ON_SITE_HOURS":"89","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"291539","EVENT_NO":"6296706","INSPECTION_BEGIN_DT":"08/15/2012","INSPECTION_END_DT":"09/27/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"128.25","SUM_TOTAL_ON_SITE_HOURS":"92","sourceDate":"2012-08-15"},{"SOURCE_ROW_NUMBER":"11952","EVENT_NO":"6296704","INSPECTION_BEGIN_DT":"05/17/2012","INSPECTION_END_DT":"06/20/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"130","SUM_TOTAL_ON_SITE_HOURS":"96.5","sourceDate":"2012-05-17"},{"SOURCE_ROW_NUMBER":"1010340","EVENT_NO":"6296612","INSPECTION_BEGIN_DT":"02/27/2012","INSPECTION_END_DT":"02/27/2012","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2012-02-27"},{"SOURCE_ROW_NUMBER":"25160","EVENT_NO":"6289936","INSPECTION_BEGIN_DT":"01/03/2012","INSPECTION_END_DT":"02/07/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"7","SUM_TOTAL_INSP_HOURS":"185.5","SUM_TOTAL_ON_SITE_HOURS":"141.25","sourceDate":"2012-01-03"},{"SOURCE_ROW_NUMBER":"982985","EVENT_NO":"6292737","INSPECTION_BEGIN_DT":"12/23/2011","INSPECTION_END_DT":"12/28/2011","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.25","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2011-12-23"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":98,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2014-Q3":{"hours":0,"employees":0,"production":0},"2014-Q2":{"hours":0,"employees":0,"production":0},"2014-Q1":{"hours":0,"employees":0,"production":0},"2013-Q4":{"hours":0,"employees":0,"production":0},"2013-Q3":{"hours":5,"employees":1,"production":147},"2013-Q2":{"hours":11774,"employees":39,"production":9651},"2013-Q1":{"hours":32728,"employees":55,"production":38845},"2012-Q4":{"hours":30443,"employees":56,"production":38080},"2012-Q3":{"hours":29922,"employees":52,"production":29384},"2012-Q2":{"hours":31754,"employees":51,"production":34654},"2012-Q1":{"hours":31989,"employees":50,"production":29942},"2011-Q4":{"hours":29563,"employees":54,"production":21980}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":21,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2004":{"hours":2516,"employees":5,"production":0},"2005":{"hours":67451,"employees":31,"production":80120},"2006":{"hours":89904,"employees":42,"production":149796},"2007":{"hours":99530,"employees":44,"production":158690},"2008":{"hours":116879,"employees":49,"production":128917},"2009":{"hours":50277,"employees":30,"production":71390},"2010":{"hours":55964,"employees":27,"production":43398},"2011":{"hours":119606,"employees":51,"production":109956},"2012":{"hours":124108,"employees":53,"production":132060},"2013":{"hours":44507,"employees":33,"production":48643}},"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":20,"firstDate":"2008-05-14","lastDate":"2012-11-14","metrics":{"recentRows":0,"doseOver100":0,"actDoseTotal":1011,"pelDoseTotal":832},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"235960","EVENT_NO":"6298157","SURVEY_DATE":"11/14/2012","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"38","MANUFACTURER_CD":"038","ACT_DOSE_85":"20","PEL_DOSE_90":"18","SURVEY_TYPE":"I","sourceDate":"2012-11-14"},{"SOURCE_ROW_NUMBER":"235959","EVENT_NO":"6298157","SURVEY_DATE":"11/14/2012","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"120","ACT_DOSE_85":"51","PEL_DOSE_90":"46","SURVEY_TYPE":"I","sourceDate":"2012-11-14"},{"SOURCE_ROW_NUMBER":"235958","EVENT_NO":"6298157","SURVEY_DATE":"11/14/2012","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"55","PEL_DOSE_90":"50","SURVEY_TYPE":"I","sourceDate":"2012-11-14"},{"SOURCE_ROW_NUMBER":"235957","EVENT_NO":"6298157","SURVEY_DATE":"11/14/2012","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"48","PEL_DOSE_90":"42","SURVEY_TYPE":"I","sourceDate":"2012-11-14"},{"SOURCE_ROW_NUMBER":"235956","EVENT_NO":"6298157","SURVEY_DATE":"11/14/2012","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"70","PEL_DOSE_90":"63","SURVEY_TYPE":"I","sourceDate":"2012-11-14"},{"SOURCE_ROW_NUMBER":"235950","EVENT_NO":"6289936","SURVEY_DATE":"01/25/2012","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"62","PEL_DOSE_90":"54","SURVEY_TYPE":"I","sourceDate":"2012-01-25"},{"SOURCE_ROW_NUMBER":"235949","EVENT_NO":"6289936","SURVEY_DATE":"01/25/2012","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"22","PEL_DOSE_90":"19","SURVEY_TYPE":"I","sourceDate":"2012-01-25"},{"SOURCE_ROW_NUMBER":"235948","EVENT_NO":"6289936","SURVEY_DATE":"01/25/2012","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"38","MANUFACTURER_CD":"038","ACT_DOSE_85":"13","PEL_DOSE_90":"11","SURVEY_TYPE":"I","sourceDate":"2012-01-25"},{"SOURCE_ROW_NUMBER":"235947","EVENT_NO":"6289936","SURVEY_DATE":"01/25/2012","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"84","PEL_DOSE_90":"75","SURVEY_TYPE":"I","sourceDate":"2012-01-25"},{"SOURCE_ROW_NUMBER":"235946","EVENT_NO":"6289936","SURVEY_DATE":"01/25/2012","OCCUPATION_CD_DESC":"ROOF BOLTER (SINGLE HEAD)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"82","PEL_DOSE_90":"69","SURVEY_TYPE":"I","sourceDate":"2012-01-25"},{"SOURCE_ROW_NUMBER":"235955","EVENT_NO":"6295102","SURVEY_DATE":"07/20/2011","OCCUPATION_CD_DESC":"CONTINUOUS MINER HELPER","MACHINE_CD":"06","MANUFACTURER_CD":"033","ACT_DOSE_85":"50","PEL_DOSE_90":"42","SURVEY_TYPE":"I","sourceDate":"2011-07-20"},{"SOURCE_ROW_NUMBER":"235954","EVENT_NO":"6295102","SURVEY_DATE":"07/20/2011","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"66","PEL_DOSE_90":"53","SURVEY_TYPE":"I","sourceDate":"2011-07-20"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":32,"firstDate":"2005-05-26","lastDate":"2013-01-22","metrics":{"recentRows":0,"voidSamples":2,"maxQuartzPct":32,"validSamples":30,"quartzPctTotal":248.7},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"54006","CASSETTE_NO":"58006658","SAMPLE_DT":"01/22/2013","QUARTZ_PCT":"03.0","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2013-01-22"},{"SOURCE_ROW_NUMBER":"143485","CASSETTE_NO":"57972801","SAMPLE_DT":"11/07/2012","QUARTZ_PCT":"05.0","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2012-11-07"},{"SOURCE_ROW_NUMBER":"6352","CASSETTE_NO":"57972859","SAMPLE_DT":"11/07/2012","QUARTZ_PCT":"06.2","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2012-11-07"},{"SOURCE_ROW_NUMBER":"95413","CASSETTE_NO":"57972744","SAMPLE_DT":"09/25/2012","QUARTZ_PCT":"03.2","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2012-09-25"},{"SOURCE_ROW_NUMBER":"19275","CASSETTE_NO":"51138963","SAMPLE_DT":"09/21/2011","QUARTZ_PCT":"00.5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-09-21"},{"SOURCE_ROW_NUMBER":"105392","CASSETTE_NO":"51120555","SAMPLE_DT":"08/02/2011","QUARTZ_PCT":"00.7","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":"135402","CASSETTE_NO":"57853843","SAMPLE_DT":"12/08/2010","QUARTZ_PCT":"10.8","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2010-12-08"},{"SOURCE_ROW_NUMBER":"93129","CASSETTE_NO":"51074054","SAMPLE_DT":"09/17/2010","QUARTZ_PCT":"09.6","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2010-09-17"},{"SOURCE_ROW_NUMBER":"127514","CASSETTE_NO":"57723964","SAMPLE_DT":"07/23/2009","QUARTZ_PCT":"14.8","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2009-07-23"},{"SOURCE_ROW_NUMBER":"83536","CASSETTE_NO":"57723985","SAMPLE_DT":"07/23/2009","QUARTZ_PCT":"08.7","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2009-07-23"},{"SOURCE_ROW_NUMBER":"135967","CASSETTE_NO":"51001597","SAMPLE_DT":"07/10/2009","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"INSUFFICIENT WEIGHT GAIN","sourceDate":"2009-07-10"},{"SOURCE_ROW_NUMBER":"70575","CASSETTE_NO":"51001592","SAMPLE_DT":"07/09/2009","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"INSUFFICIENT WEIGHT GAIN","sourceDate":"2009-07-09"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":667,"firstDate":"2005-03-17","lastDate":"2013-02-06","metrics":{"ss":119,"amountDue":329320.25,"contested":152,"amountPaid":329248.25,"recentRows":0,"section104d":7,"unterminated":0,"proposedPenalty":600138},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2706840","VIOLATION_NO":"7170319","VIOLATION_ISSUE_DT":"02/06/2013","SIG_SUB":"Y","PART_SECTION":"77.404(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/06/2013","PROPOSED_PENALTY":"190","AMOUNT_DUE":"190","AMOUNT_PAID":"190","CONTESTED_IND":"N","sourceDate":"2013-02-06"},{"SOURCE_ROW_NUMBER":"2706839","VIOLATION_NO":"7170307","VIOLATION_ISSUE_DT":"01/23/2013","SIG_SUB":"N","PART_SECTION":"75.403","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"02/11/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2013-01-23"},{"SOURCE_ROW_NUMBER":"2706838","VIOLATION_NO":"7170306","VIOLATION_ISSUE_DT":"01/23/2013","SIG_SUB":"N","PART_SECTION":"75.351(n)(3)(i)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/23/2013","PROPOSED_PENALTY":"150","AMOUNT_DUE":"150","AMOUNT_PAID":"150","CONTESTED_IND":"N","sourceDate":"2013-01-23"},{"SOURCE_ROW_NUMBER":"2706837","VIOLATION_NO":"7170305","VIOLATION_ISSUE_DT":"01/18/2013","SIG_SUB":"N","PART_SECTION":"75.370(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"7","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/18/2013","PROPOSED_PENALTY":"460","AMOUNT_DUE":"460","AMOUNT_PAID":"460","CONTESTED_IND":"N","sourceDate":"2013-01-18"},{"SOURCE_ROW_NUMBER":"2706836","VIOLATION_NO":"7170304","VIOLATION_ISSUE_DT":"01/17/2013","SIG_SUB":"N","PART_SECTION":"75.370(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/17/2013","PROPOSED_PENALTY":"190","AMOUNT_DUE":"190","AMOUNT_PAID":"190","CONTESTED_IND":"N","sourceDate":"2013-01-17"},{"SOURCE_ROW_NUMBER":"2706835","VIOLATION_NO":"7170303","VIOLATION_ISSUE_DT":"01/15/2013","SIG_SUB":"Y","PART_SECTION":"72.630(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"2","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"01/17/2013","PROPOSED_PENALTY":"1203","AMOUNT_DUE":"1023","AMOUNT_PAID":"1023","CONTESTED_IND":"N","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"2706834","VIOLATION_NO":"7170302","VIOLATION_ISSUE_DT":"01/15/2013","SIG_SUB":"Y","PART_SECTION":"75.1725(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/18/2013","PROPOSED_PENALTY":"745","AMOUNT_DUE":"745","AMOUNT_PAID":"745","CONTESTED_IND":"N","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"2706833","VIOLATION_NO":"7170301","VIOLATION_ISSUE_DT":"01/15/2013","SIG_SUB":"N","PART_SECTION":"75.523-3(b)(5)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/18/2013","PROPOSED_PENALTY":"745","AMOUNT_DUE":"559","AMOUNT_PAID":"559","CONTESTED_IND":"N","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"2706832","VIOLATION_NO":"7170300","VIOLATION_ISSUE_DT":"01/15/2013","SIG_SUB":"N","PART_SECTION":"75.1107-3(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/17/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"2706831","VIOLATION_NO":"7170299","VIOLATION_ISSUE_DT":"01/15/2013","SIG_SUB":"Y","PART_SECTION":"75.1725(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/18/2013","PROPOSED_PENALTY":"745","AMOUNT_DUE":"633.25","AMOUNT_PAID":"633.25","CONTESTED_IND":"N","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"2706830","VIOLATION_NO":"7170298","VIOLATION_ISSUE_DT":"01/10/2013","SIG_SUB":"Y","PART_SECTION":"75.1725(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/15/2013","PROPOSED_PENALTY":"745","AMOUNT_DUE":"745","AMOUNT_PAID":"745","CONTESTED_IND":"N","sourceDate":"2013-01-10"},{"SOURCE_ROW_NUMBER":"2706829","VIOLATION_NO":"7170297","VIOLATION_ISSUE_DT":"01/10/2013","SIG_SUB":"N","PART_SECTION":"75.808","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/14/2013","PROPOSED_PENALTY":"499","AMOUNT_DUE":"499","AMOUNT_PAID":"499","CONTESTED_IND":"N","sourceDate":"2013-01-10"}]}],"safety":{"href":"/api/v1/mines/4608268/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4608268/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 75.403","heading":"Maintenance of incombustible content of rock dust.","id":"75.403","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403","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":"Where rock dust is required to be applied, it shall be distributed upon the top, floor, and sides of all underground areas of a coal mine and maintained in such quantities that the incombustible content of the combined coal dust, rock dust, and other dust shall be not less than 80 percent. Where methane is present in any ventilating current, the percent of incombustible content of such combined dust shall be increased 0.4 percent for each 0.1 percent of methane.\n\n[75 FR 57857, Sept. 23, 2010; 76 FR 35978, June 21, 2011]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.351","heading":"Atmospheric monitoring systems.","id":"75.351","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.351","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) AMS operation. Whenever personnel are underground and an AMS is used to fulfill the requirements of §§ 75.323(d)(1)(ii), 75.340(a)(1)(ii), 75.340(a)(2)(ii), 75.350(b), 75.350(d), or 75.362(f), the AMS must be operating and a designated AMS operator must be on duty at a location on the surface of the mine where audible and visual signals from the AMS must be seen or heard and the AMS operator can promptly respond to these signals.\n\n(b) Designated surface location and AMS operator. When an AMS is used to comply with §§ 75.323(d)(1)(ii), 75.340(a)(1)(ii), 75.340(a)(2)(ii), 75.350(b), 75.350(d), or 75.362(f), the following requirements apply:\n\n(1) The mine operator must designate a surface location at the mine where signals from the AMS will be received and two-way voice communication is maintained with each working section, with areas where mechanized mining equipment is being installed or removed, and with other areas designated in the approved emergency evacuation and firefighting program of instruction (§ 75.1502).\n\n(2) The mine operator must designate an AMS operator to monitor and promptly respond to all AMS signals. The AMS operator must have as a primary duty the responsibility to monitor the malfunction, alert and alarm signals of the AMS, and to notify appropriate personnel of these signals. In the event of an emergency, the sole responsibility of the AMS operator shall be to respond to the emergency.\n\n(3) A map or schematic must be provided at the designated surface location that shows the locations and type of AMS sensor at each location, and the intended air flow direction at these locations. This map or schematic must be updated within 24 hours of any change in this information.\n\n(4) The names of the designated AMS operators and other appropriate personnel, including the designated person responsible for initiating an emergency mine evacuation under § 75.1501, and the method to contact these persons, must be provided at the designated surface location.\n\n(c) Minimum operating requirements. AMSs used to comply with §§ 75.323(d)(1)(ii), 75.340(a)(1)(ii), 75.340(a)(2)(ii), 75.350(b), 75.350(d), or 75.362(f) must:\n\n(1) Automatically provide visual and audible signals at the designated surface location for any interruption of circuit continuity and any electrical malfunction of the system. These signals must be of sufficient magnitude to be seen or heard by the AMS operator.\n\n(2) Automatically provide visual and audible signals at the designated surface location when the carbon monoxide concentration or methane concentration at any sensor reaches the alert level as specified in § 75.351(i). These signals must be of sufficient magnitude to be seen or heard by the AMS operator.\n\n(3) Automatically provide visual and audible signals at the designated surface location distinguishable from alert signals when the carbon monoxide, smoke, or methane concentration at any sensor reaches the alarm level as specified in § 75.351(i). These signals must be of sufficient magnitude to be seen or heard by the AMS operator.\n\n(4) Automatically provide visual and audible signals at all affected working sections and at all affected areas where mechanized mining equipment is being installed or removed when the carbon monoxide, smoke, or methane concentration at any sensor reaches the alarm level as specified in § 75.351(i). These signals must be of sufficient magnitude to be seen or heard by miners working at these locations. Methane signals must be distinguishable from other signals.\n\n(5) Automatically provide visual and audible signals at other locations as specified in Mine Emergency Evacuation and Firefighting Program of Instruction (§ 75.1502) when the carbon monoxide, smoke, or methane concentration at any sensor reaches the alarm level as specified in § 75.351(i). These signals must be seen or heard by miners working at these locations. Methane alarms must be distinguishable from other signals.\n\n(6) Identify at the designated surface location the operational status of all sensors.\n\n(7) Automatically provide visual and audible alarm signals at the designated surface location, at all affected working sections, and at all affected areas where mechanized mining equipment is being installed or removed when the carbon monoxide level at any two consecutive sensors alert at the same time. These signals must be seen or heard by the AMS operator and miners working at these locations.\n\n(d) Location and installation of AMS sensors. (1) All AMS sensors, as specified in §§ 75.351(e) through 75.351(h), must be located such that measurements are representative of the mine atmosphere in these locations.\n\n(2) Carbon monoxide or smoke sensors must be installed near the center in the upper third of the entry, in a location that does not expose personnel working on the system to unsafe conditions. Sensors must not be located in abnormally high areas or in other locations where air flow patterns do not permit products of combustion to be carried to the sensors.\n\n(3) Methane sensors must be installed near the center of the entry, at least 12 inches from the roof, ribs, and floor, in a location that would not expose personnel working on the system to unsafe conditions.\n\n(e) Location of sensors-belt air course. (1) In addition to the requirements of paragraph (d) of this section, any AMS used to monitor belt air courses under § 75.350(b) must have approved sensors to monitor for carbon monoxide at the following locations:\n\n(i) At or near the working section belt tailpiece in the air stream ventilating the belt entry. In longwall mining systems the sensor must be located upwind in the belt entry at a distance no greater than 150 feet from the mixing point where intake air is mixed with the belt air at or near the tailpiece;\n\n(ii) No more than 50 feet upwind from the point where the belt air course is combined with another air course or splits into multiple air courses;\n\n(iii) At intervals not to exceed 1,000 feet along each belt entry. However, in areas along each belt entry where air velocities are between 50 and 100 feet per minute, spacing of sensors must not exceed 500 feet. In areas along each belt entry where air velocities are less than 50 feet per minute, the sensor spacing must not exceed 350 feet;\n\n(iv) Not more than 100 feet downwind of each belt drive unit, each tailpiece, transfer point, and each belt take-up. If the belt drive, tailpiece, and/or take-up for a single transfer point are installed together in the same air course, and the distance between the units is less than 100 feet, they may be monitored with one sensor downwind of the last component. If the distance between the units exceeds 100 feet, additional sensors are required downwind of each belt drive unit, each tailpiece, transfer point, and each belt take-up; and\n\n(v) At other locations in any entry that is part of the belt air course as required and specified in the mine ventilation plan.\n\n(2) Smoke sensors must be installed to monitor the belt entry under § 75.350(b) at the following locations:\n\n(i) At or near the working section belt tailpiece in the air stream ventilating the belt entry. In longwall mining systems the sensor must be located upwind in the belt entry at a distance no greater than 150 feet from the mixing point where intake air is mixed with the belt air at or near the tailpiece;\n\n(ii) Not more than 100 feet downwind of each belt drive unit, each tailpiece transfer point, and each belt take-up. If the belt drive, tailpiece, and/or take-up for a single transfer point are installed together in the same air course, and the distance between the units is less than 100 feet, they may be monitored with one sensor downwind of the last component. If the distance between the units exceeds 100 feet, additional sensors are required downwind of each belt drive unit, each tailpiece, transfer point, and each belt take-up; and\n\n(iii) At intervals not to exceed 3,000 feet along each belt entry.\n\n(iv) This provision shall be effective one year after the Secretary has determined that a smoke sensor is available to reliably detect fire in underground coal mines.\n\n(f) Locations of sensors—the primary escapeway. When used to monitor the primary escapeway under § 75.350(b)(4), carbon monoxide or smoke sensors must be located in the primary escapeway within 500 feet of the working section and areas where mechanized mining equipment is being installed or removed. In addition, another sensor must be located within 500 feet inby the beginning of the panel. The point-feed sensor required by § 75.350(d)(1) may be used as the sensor at the beginning of the panel if it is located within 500 feet inby the beginning of the panel.\n\n(g) Location of sensors—return air splits. (1) If used to monitor return air splits under § 75.362(f), a methane sensor must be installed in the return air split between the last working place, longwall or shortwall face ventilated by that air split, and the junction of the return air split with another air split, seal, or worked out area.\n\n(2) If used to monitor a return air split under § 75.323(d)(1)(ii), the methane sensors must be installed at the following locations:\n\n(i) In the return air course opposite the section loading point, or, if exhausting auxiliary fan(s) are used, in the return air course no closer than 300 feet downwind from the fan exhaust and at a point opposite or immediately outby the section loading point; and\n\n(ii) Immediately upwind from the location where the return air split meets another air split or immediately upwind of the location where an air split is used to ventilate seals or worked-out areas.\n\n(h) Location of sensors—electrical installations. When monitoring the intake air ventilating underground transformer stations, battery charging stations, substations, rectifiers, or water pumps under § 75.340(a)(1)(ii) or § 75.340(a)(2)(ii), at least one sensor must be installed to monitor the mine atmosphere for carbon monoxide or smoke, located downwind and not greater than 50 feet from the electrical installation being monitored.\n\n(i) Establishing alert and alarm levels. An AMS installed in accordance with the following paragraphs must initiate alert and alarm signals at the specified levels, as indicated:\n\n(1) For § 75.323(d)(1)(ii) alarm at 1.5% methane.\n\n(2) For §§ 75.340(a)(1)(ii), 75.340(a)(2)(ii), 75.350(b), and 75.350(d), alert at 5 ppm carbon monoxide above the ambient level and alarm at 10 ppm carbon monoxide above the ambient level when carbon monoxide sensors are used; and alarm at a smoke optical density of 0.022 per meter when smoke sensors are used. Reduced alert and alarm settings approved by the district manager may be required for carbon monoxide sensors identified in the mine ventilation plan, § 75.371(nn).\n\n(3) For § 75.362(f), alert at 1.0% methane and alarm at 1.5% methane.\n\n(j) Establishing carbon monoxide ambient levels. Carbon monoxide ambient levels and the means to determine these levels must be approved in the mine ventilation plan (§ 75.371(hh)) for monitors installed in accordance with §§ 75.340(a)(1)(ii), 75.340(a)(2)(ii), 75.350(b), and 75.350(d).\n\n(k) Installation and maintenance. An AMS installed in accordance with §§ 75.323(d)(1)(ii), 75.340(a)(1)(ii), 75.340(a)(2)(ii), 75.350(b), 75.350(d), or 75.362(f) must be installed and maintained by personnel trained in the installation and maintenance of the system. The system must be maintained in proper operating condition.\n\n(l) Sensors. Sensors used to monitor for carbon monoxide, methane, and smoke must be either of a type listed and installed in accordance with the recommendations of a nationally recognized testing laboratory approved by the Secretary; or these sensors must be of a type, and installed in a manner, approved by the Secretary.\n\n(m) Time delays. When a demonstrated need exists, time delays may be incorporated into the AMS. These time delays must only be used to account for non-fire related carbon monoxide alert and alarm sensor signals. These time delays are limited to no more than three minutes. The use and length of any time delays, or other techniques or methods which eliminate or reduce the need for time delays, must be specified and approved in the mine ventilation plan.\n\n(n) Examination, testing, and calibration. (1) At least once each shift when belts are operated as part of a production shift, sensors used to detect carbon monoxide or smoke in accordance with §§ 75.350(b), and 75.350(d), and alarms installed in accordance with § 75.350(b) must be visually examined.\n\n(2) At least once every seven days, alarms for AMS installed in accordance with §§ 75.350(b), and 75.350(d) must be functionally tested for proper operation.\n\n(3) At intervals not to exceed 31 days—\n\n(i) Each carbon monoxide sensor installed in accordance with §§ 75.340(a)(1)(ii), 75.340(a)(2)(ii), 75.350(b), or 75.350(d) must be calibrated in accordance with the manufacturer's calibration specifications. Calibration must be done with a known concentration of carbon monoxide in air sufficient to activate the alarm;\n\n(ii) Each smoke sensor installed in accordance with §§ 75.340(a)(1)(ii), 75.340(a)(2)(ii), 75.350(b), or 75.350(d) must be functionally tested in accordance with the manufacturer's calibration specifications;\n\n(iii) Each methane sensor installed in accordance with §§ 75.323(d)(1)(ii) or 75.362(f) must be calibrated in accordance with the manufacturer's calibration specifications. Calibration must be done with a known concentration of methane in air sufficient to activate an alarm.\n\n(iv) If the alert or alarm signals will be activated during calibration of sensors, the AMS operator must be notified prior to and upon completion of calibration. The AMS operator must notify miners on affected working sections, areas where mechanized mining equipment is being installed or removed, or other areas designated in the approved emergency evacuation and firefighting program of instruction (§ 75.1502) when calibration will activate alarms and when calibration is completed.\n\n(4) Gases used for the testing and calibration of AMS sensors must be traceable to the National Institute of Standards and Technology reference standard for the specific gas. When these reference standards are not available for a specific gas, calibration gases must be traceable to an analytical standard which is prepared using a method traceable to the National Institute of Standards and Technology. Calibration gases must be within ±2.0 percent of the indicated gas concentration.\n\n(o) Recordkeeping. (1) When an AMS is used to comply with §§ 75.323(d)(1)(ii), 75.340(a)(1)(ii), 75.340(a)(2)(ii), 75.350(b), 75.350(d), or 75.362(f), individuals designated by the operator must make the following records by the end of the shift in which the following event(s) occur:\n\n(i) If an alert or alarm signal occurs, a record of the date, time, location and type of sensor, and the cause for the activation.\n\n(ii) If an AMS malfunctions, a record of the date, the extent and cause of the malfunction, and the corrective action taken to return the system to proper operation.\n\n(iii) A record of the seven-day tests of alert and alarm signals; calibrations; and maintenance of the AMS must be made by the person(s) performing these actions.\n\n(2) The person entering the record must include their name, date, and signature in the record.\n\n(3) The records required by this section must be kept either in a secure book that is not susceptible to alteration, or electronically in a computer system that is secure and not susceptible to alteration. These records must be maintained separately from other records and identifiable by a title, such as the ‘AMS log.’\n\n(p) Retention period. Records must be retained for at least one year at a surface location at the mine and made available for inspection by miners and authorized representatives of the Secretary.\n\n(q) Training. (1) All AMS operators must be trained annually in the proper operation of the AMS. This training must include the following subjects:\n\n(i) Familiarity with underground mining systems;\n\n(ii) Basic atmospheric monitoring system requirements;\n\n(iii) The mine emergency evacuation and firefighting program of instruction;\n\n(iv) The mine ventilation system including planned air directions;\n\n(v) Appropriate response to alert, alarm and malfunction signals;\n\n(vi) Use of mine communication systems including emergency notification procedures; and\n\n(vii) AMS recordkeeping requirements.\n\n(2) At least once every six months, all AMS operators must travel to all working sections.\n\n(3) A record of the content of training, the person conducting the training, and the date the training was conducted, must be maintained at the mine for at least one year by the mine operator.\n\n(r) Communications. When an AMS is used to comply with § 75.350(b), a two-way voice communication system required by § 75.1600 must be installed in an entry that is separate from the entry in which the AMS is installed no later than August 2, 2004. The two-way voice communication system may be installed in the entry where the intake sensors required by §§ 75.350(b)(4) or 75.350(d)(1) are installed.\n\n[69 FR 17527, Apr. 2, 2004, as amended at 73 FR 80612, Dec. 31, 2008]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.370","heading":"Mine ventilation plan; submission and approval.","id":"75.370","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370","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) The operator shall develop and follow a ventilation plan approved by the district manager. The plan shall be designed to control methane and respirable dust and shall be suitable to the conditions and mining system at the mine. The ventilation plan shall consist of two parts, the plan content as prescribed in § 75.371 and the ventilation map with information as prescribed in § 75.372. Only that portion of the map which contains information required under § 75.371 will be subject to approval by the district manager.\n\n(2) The proposed ventilation plan and any revision to the plan shall be submitted in writing to the district manager. When revisions to a ventilation plan are proposed, only the revised pages, maps, or sketches of the plan need to be submitted. When required in writing by the district manager, the operator shall submit a fully revised plan by consolidating the plan and all revisions in an orderly manner and by deleting all outdated material.\n\n(3) (i) The mine operator shall notify the representative of miners at least 5 days prior to submission of a mine ventilation plan and any revision to a mine ventilation plan. If requested, the mine operator shall provide a copy to the representative of miners at the time of notification. In the event of a situation requiring immediate action on a plan revision, notification of the revision shall be given, and if requested, a copy of the revision shall be provided, to the representative of miners by the operator at the time of submittal;\n\n(ii) A copy of the proposed ventilation plan, and a copy of any proposed revision, submitted for approval shall be made available for inspection by the representative of miners; and\n\n(iii) A copy of the proposed ventilation plan, and a copy of any proposed revision, submitted for approval shall be posted on the mine bulletin board at the time of submittal. The proposed plan or proposed revision shall remain posted until it is approved, withdrawn or denied.\n\n(b) Following receipt of the proposed plan or proposed revision, the representative of miners may submit timely comments to the district manager, in writing, for consideration during the review process. A copy of these comments shall also be provided to the operator by the district manager upon request.\n\n(c) (1) The district manager will notify the operator in writing of the approval or denial of approval of a proposed ventilation plan or proposed revision. A copy of this notification will be sent to the representative of miners by the district manager.\n\n(2) If the district manager denies approval of a proposed plan or revision, the deficiencies of the plan or revision shall be specified in writing and the operator will be provided an opportunity to discuss the deficiencies with the district manager.\n\n(d) No proposed ventilation plan shall be implemented before it is approved by the district manager. Any intentional change to the ventilation system that alters the main air current or any split of the main air current in a manner that could materially affect the safety and health of the miners, or any change to the information required in § 75.371 shall be submitted to and approved by the district manager before implementation.\n\n(e) Before implementing an approved ventilation plan or a revision to a ventilation plan, persons affected by the revision shall be instructed by the operator in its provisions.\n\n(f) The approved ventilation plan and any revisions shall be—\n\n(1) Provided upon request to the representative of miners by the operator following notification of approval;\n\n(2) Made available for inspection by the representative of miners; and\n\n(3) Posted on the mine bulletin board within 1 working day following notification of approval. The approved plan and revisions shall remain posted on the bulletin board for the period that they are in effect.\n\n(g) The ventilation plan for each mine shall be reviewed every 6 months by an authorized representative of the Secretary to assure that it is suitable to current conditions in the mine.","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 72.630","heading":"Drill dust control at underground areas of underground mines.","id":"72.630","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.630","part":"72","partHeading":"PART 72—HEALTH STANDARDS FOR COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Miscellaneous","text":"(a) Dust resulting from drilling in rock shall be controlled by use of permissible dust collectors, or by water, or water with a wetting agent, or by ventilation, or by any other method or device approved by the Secretary that is as effective in controlling the dust.\n\n(b) Dust collectors. Dust collectors shall be maintained in permissible and operating condition. Dust collectors approved under Part 33—Dust Collectors for Use in Connection with Rock Drilling in Coal Mines of this title or under Bureau of Mines Schedule 25B are permissible dust collectors for the purpose of this section.\n\n(c) Water control. Water used to control dust from drilling rock shall be applied through a hollow drill steel or stem or by the flooding of vertical drill holes in the floor.\n\n(d) Ventilation control. To adequately control dust from drilling rock, the air current shall be so directed that the dust is readily dispersed and carried away from the drill operator or any other miners in the area.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1725","heading":"Machinery and equipment; operation and maintenance.","id":"75.1725","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725","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) 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 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 manually while in motion, unless equipped with extended fittings or cups.\n\n[38 FR 4976, Feb. 23, 1973]","occurrenceCount":3},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.523-3","heading":"Automatic emergency-parking brakes.","id":"75.523-3","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.523-3","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":"(a) Except for personnel carriers, rubber-tired, self-propelled electric haulage equipment used in the active workings of underground coal mines shall be equipped with automatic emergency-parking brakes in accordance with the following schedule.\n\n(1) On and after May 23, 1989—\n\n(i) All new equipment ordered; and\n\n(ii) All equipment originally furnished with or retrofitted with automatic emergency-parking brakes which meet the requirements of this section.\n\n(2) On and after May 23, 1991, all other equipment.\n\n(b) Automatic emergency-parking brakes shall—\n\n(1) Be activated immediately by the emergency deenergization device required by 30 CFR 75.523-1 and 75.523-2;\n\n(2) Engage automatically within 5.0 seconds when the equipment is deenergized;\n\n(3) Safely bring the equipment when fully loaded to a complete stop on the maximum grade on which it is operated;\n\n(4) Hold the equipment stationary despite any contraction of brake parts, exhaustion of any non-mechanical source of energy, or leakage; and\n\n(5) Release only by a manual control that does not operate any other equipment function.\n\n(c) Automatic emergency-parking brakes shall include a means in the equipment operator's compartment to—\n\n(1) Apply the brakes manually without deenergizing the equipment; and\n\n(2) Release and reengage the brakes without energizing the equipment.\n\n(d) On and after November 24, 1989, rubber-tired, self-propelled electric face equipment not covered by paragraph (a) of this section shall be equipped with a means incorporated on the equipment and operable from each tramming station to hold the equipment stationary—\n\n(1) On the maximum grade on which it is operated; and\n\n(2) Despite any contraction of components, exhaustion of any non-mechanical source of energy, or leakage.\n\n(e) The brake systems required by paragraphs (a) or (d) of this section shall be applied when the equipment operator is not at the controls of the equipment, except during movement of disabled equipment.\n\n[54 FR 12412, Mar. 24, 1989]","occurrenceCount":1},{"chapter":"I","heading":"Fire suppression devices; approved components; installation requirements.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-3","part":"75","subchapter":"O","subpart":"L","id":"75.1107-3","citation":"30 CFR 75.1107-3","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","heading":"Disconnecting devices.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-I/section-75.808","part":"75","subchapter":"O","subpart":"I","id":"75.808","citation":"30 CFR 75.808","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4608268","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}