{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1518939","name":"Moseley Spur","status":"Abandoned and Sealed","status_date":"2009-10-02","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Bell","nearest_town":"Middlesboro","operator_id":"P19841","operator_name":"Bell County Coal Corporation","controller_id":"C13562","controller_name":"James River Coal Company","district":"C07","office":"Barbourville KY Field Office","employees":0,"latitude":36.616388,"longitude":-83.804722},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":1978},"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":"1518939","name":"Moseley Spur"},"operator":{"type":"operator","id":"P19841","name":"Bell County Coal Corporation"},"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":"controller_controls_mine","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"mine","id":"1518939","name":"Moseley Spur"},"validFrom":"1988-09-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518939|C13562|1988-09-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19841","name":"Bell County Coal Corporation"},"object":{"type":"mine","id":"1518939","name":"Moseley Spur"},"validFrom":"2005-11-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518939|P19841|2005-11-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"operator","id":"P19841","name":"Bell County Coal Corporation"},"validFrom":"2005-11-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518939","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518939|P19841|2005-11-10|C13562|1988-09-28|90348"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":23,"firstDate":"2006-08-14","lastDate":"2009-06-12","metrics":{"daysLost":217,"injuries":14,"fatalities":0,"recentRows":0,"restrictedDays":233,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"139154","DOCUMENT_NO":"220091700003","ACCIDENT_DT":"06/12/2009","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"OTHER","ACCIDENT_TYPE":"Bodily reaction, NEC","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE stated that he was kneeled down adding hydraulic oil to the shuttle car and when he attemted to stand up, his right knee would not straighten.  EE saw the Dr. who applied a motion limiting brace to the knee and he returned to work on the next scheduled shift.","sourceDate":"2009-06-12"},{"SOURCE_ROW_NUMBER":"268200","DOCUMENT_NO":"220092040007","ACCIDENT_DT":"06/08/2009","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"STEPPING OR KNEELING ON OBJECT","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was using the MRS Remote when he stepped on a crib block and strained his left knee.  He continued to work until 7-13-09 when he missed work in preparation for surgery on 7-14-09.","sourceDate":"2009-06-08"},{"SOURCE_ROW_NUMBER":"53129","DOCUMENT_NO":"220091100001","ACCIDENT_DT":"04/14/2009","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was installing cable roof bolts, when a small piece of rock appx 6\" in dia. X 1/8 \" thick fell and struck him on the nose, resulting in 12 stitches to the 1\" long laceration.","sourceDate":"2009-04-14"},{"SOURCE_ROW_NUMBER":"53128","DOCUMENT_NO":"220083370008","ACCIDENT_DT":"11/22/2008","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"82","NARRATIVE":"Employee was assisting in removing the drums from the continuous miner when the bar they were using in the railroad jack slipped causing injured to fall backward.  He was transported to the hospital with a broken knee cap and miniscus.  Employee had surgery on 11-26-08 and is a lost time injury.","sourceDate":"2008-11-22"},{"SOURCE_ROW_NUMBER":"57353","DOCUMENT_NO":"220081760018","ACCIDENT_DT":"06/21/2008","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":"An unintentional roof fall occurred in the #2 entry 60 feet outby spad #717.  The fall was approx. 16 feet wide x 18 feet long x 70 inches thick.  No persons, equipment nor ventilation was affected.  The fall has been inspected by MSHA and roof trusses are being installed as roof support.","sourceDate":"2008-06-21"},{"SOURCE_ROW_NUMBER":"199299","DOCUMENT_NO":"220081570006","ACCIDENT_DT":"05/30/2008","DEGREE_INJURY":"INJURIES DUE TO NATURAL CAUSES","CLASSIFICATION":"OTHER","ACCIDENT_TYPE":"NEC","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was operating the shuttle car when he suffered a heart attack.","sourceDate":"2008-05-30"},{"SOURCE_ROW_NUMBER":"74566","DOCUMENT_NO":"220081340015","ACCIDENT_DT":"05/10/2008","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":"This is a report a continuation of a rock fall reported at spad 511 on 5-6-08.  The rock fall has extended toward the south west mains to spad 601.  The fall has not affected persons, equipment nor ventilation.","sourceDate":"2008-05-10"},{"SOURCE_ROW_NUMBER":"44503","DOCUMENT_NO":"220081270017","ACCIDENT_DT":"05/05/2008","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":"A rock fall was discovered in the  #1 entry 20 feet outby spad 534 in the 2nd sw mains.  The fall was aprox 20' long x1 8' wide x 64 inches thick.  The fall did not affect persons, equipment nor ventilation.","sourceDate":"2008-05-05"},{"SOURCE_ROW_NUMBER":"207983","DOCUMENT_NO":"220081280002","ACCIDENT_DT":"04/30/2008","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":"A roof fall was discovered in the 2nd west mains in the #3 entry at spad 509.  The fall is approximately 20'long x 20' wide x 70\"high.  The fall did not affect persons, equipment nor ventilation.","sourceDate":"2008-04-30"},{"SOURCE_ROW_NUMBER":"70257","DOCUMENT_NO":"220081270020","ACCIDENT_DT":"04/30/2008","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":"A roof fall was discovered 70' outby spad 521 in the #2 entry of the snd sw mains.  The fall was apx.  20'long x 18'wide x 64 \" thick.  The fall did not affect persons, equipment nor ventilation.","sourceDate":"2008-04-30"},{"SOURCE_ROW_NUMBER":"40198","DOCUMENT_NO":"220081280001","ACCIDENT_DT":"04/30/2008","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":"A roof fall was discovered in the #2 entry 20 feet outby spad 511 in the 2nd west mains.  The fall is appx. 18'wide x 20' long x 64 \"high.  No persons, equipment nor ventilation was affected.","sourceDate":"2008-04-30"},{"SOURCE_ROW_NUMBER":"177902","DOCUMENT_NO":"220080650027","ACCIDENT_DT":"03/01/2008","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":"The #1 MRS was 150 inby spad #635 when it became disabled and would not tram.  After attempting to correct the problem the roof conditions deteriorated and fell in on the MRS.  The fall area was approximately 20'x20'x 10 feet thick.  No persons were affected by the fall.  MSHA was contacted and monitored the recovery process.","sourceDate":"2008-03-01"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2009-10-02","lastDate":"2009-10-02","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":376,"firstDate":"2005-12-13","lastDate":"2009-09-29","metrics":{"ss":143,"delinquent":376,"recentRows":0,"paidPenalty":130761,"proposedPenalty":152105,"currentAssessment":130761},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1434701","VIOLATION_NO":"8356483","ISSUE_DT":"09/29/2009","CFR_STANDARD_CD":"75.1711-3","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-29"},{"SOURCE_ROW_NUMBER":"1434620","VIOLATION_NO":"8356401","ISSUE_DT":"06/04/2009","CFR_STANDARD_CD":"75.333(d)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-06-04"},{"SOURCE_ROW_NUMBER":"1434619","VIOLATION_NO":"8320393","ISSUE_DT":"05/19/2009","CFR_STANDARD_CD":"75.380(d)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"425.00","CURRENT_ASSESSMENT_AMT":"425.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-19"},{"SOURCE_ROW_NUMBER":"1434618","VIOLATION_NO":"8320392","ISSUE_DT":"05/14/2009","CFR_STANDARD_CD":"77.1104","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-14"},{"SOURCE_ROW_NUMBER":"1434617","VIOLATION_NO":"8320391","ISSUE_DT":"05/14/2009","CFR_STANDARD_CD":"75.333(d)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-14"},{"SOURCE_ROW_NUMBER":"1434616","VIOLATION_NO":"8320390","ISSUE_DT":"05/11/2009","CFR_STANDARD_CD":"75.1731(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1434615","VIOLATION_NO":"8320389","ISSUE_DT":"05/11/2009","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1434614","VIOLATION_NO":"8320388","ISSUE_DT":"05/11/2009","CFR_STANDARD_CD":"75.208","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"585.00","CURRENT_ASSESSMENT_AMT":"585.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1434613","VIOLATION_NO":"8320387","ISSUE_DT":"05/11/2009","CFR_STANDARD_CD":"75.220(a)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"585.00","CURRENT_ASSESSMENT_AMT":"585.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1434612","VIOLATION_NO":"8320386","ISSUE_DT":"05/11/2009","CFR_STANDARD_CD":"75.1106-5(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1434611","VIOLATION_NO":"8320385","ISSUE_DT":"05/11/2009","CFR_STANDARD_CD":"75.517","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"392.00","CURRENT_ASSESSMENT_AMT":"392.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1434610","VIOLATION_NO":"8320384","ISSUE_DT":"05/06/2009","CFR_STANDARD_CD":"75.512","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"585.00","CURRENT_ASSESSMENT_AMT":"585.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-05-06"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":241,"firstDate":"2007-11-19","lastDate":"2013-05-23","metrics":{"appeals":0,"decisions":241,"recentRows":0,"decisionPenalty":84882,"originalPenalty":130433},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"205056","VIOLATION_NO":"7511105","DOCKET_NO":"KENT 2008-176","DECISION_DT":"05/23/2013","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"1304.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-05-23"},{"SOURCE_ROW_NUMBER":"205055","VIOLATION_NO":"7511103","DOCKET_NO":"KENT 2008-176","DECISION_DT":"05/23/2013","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"1304.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-05-23"},{"SOURCE_ROW_NUMBER":"204900","VIOLATION_NO":"7528593","DOCKET_NO":"KENT 2008-176","DECISION_DT":"05/23/2013","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"6458.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-05-23"},{"SOURCE_ROW_NUMBER":"204899","VIOLATION_NO":"7511107","DOCKET_NO":"KENT 2008-176","DECISION_DT":"05/23/2013","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"1304.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-05-23"},{"SOURCE_ROW_NUMBER":"204374","VIOLATION_NO":"7511102","DOCKET_NO":"KENT 2008-176","DECISION_DT":"05/23/2013","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"1026.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-05-23"},{"SOURCE_ROW_NUMBER":"204373","VIOLATION_NO":"7511101","DOCKET_NO":"KENT 2008-176","DECISION_DT":"05/23/2013","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"1026.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-05-23"},{"SOURCE_ROW_NUMBER":"14473","VIOLATION_NO":"7528592","DOCKET_NO":"KENT 2008-176","DECISION_DT":"05/23/2013","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"1657.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-05-23"},{"SOURCE_ROW_NUMBER":"14420","VIOLATION_NO":"7528600","DOCKET_NO":"KENT 2008-176","DECISION_DT":"05/23/2013","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"1026.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-05-23"},{"SOURCE_ROW_NUMBER":"14419","VIOLATION_NO":"7511108","DOCKET_NO":"KENT 2008-176","DECISION_DT":"05/23/2013","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"1304.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-05-23"},{"SOURCE_ROW_NUMBER":"223124","VIOLATION_NO":"6663213","DOCKET_NO":"KENT 2008-1338","DECISION_DT":"10/23/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1026.00","DECISION_PENALTY_AMT":"872.00","JUDGE_FIRST_NAME":"Jerold","JUDGE_LAST_NAME":"Feldman","sourceDate":"2012-10-23"},{"SOURCE_ROW_NUMBER":"222714","VIOLATION_NO":"6663216","DOCKET_NO":"KENT 2008-1338","DECISION_DT":"10/23/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1026.00","DECISION_PENALTY_AMT":"872.00","JUDGE_FIRST_NAME":"Jerold","JUDGE_LAST_NAME":"Feldman","sourceDate":"2012-10-23"},{"SOURCE_ROW_NUMBER":"222495","VIOLATION_NO":"6663212","DOCKET_NO":"KENT 2008-1338","DECISION_DT":"10/23/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":"685.00","JUDGE_FIRST_NAME":"Jerold","JUDGE_LAST_NAME":"Feldman","sourceDate":"2012-10-23"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":312,"firstDate":"2006-02-17","lastDate":"2009-06-23","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":67,"validSamples":245,"maxConcentration":26.593,"concentrationTotal":183.83},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"140040","CASS_NUM":"51013171","SMP_TAKEN_DT":"6/23/2009","CONC":".251","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":"2009-06-23"},{"SOURCE_ROW_NUMBER":"72960","CASS_NUM":"51013197","SMP_TAKEN_DT":"6/23/2009","CONC":".667","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2009-06-23"},{"SOURCE_ROW_NUMBER":"467049","CASS_NUM":"51013172","SMP_TAKEN_DT":"6/4/2009","CONC":".304","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"EXCESS SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2009-06-04"},{"SOURCE_ROW_NUMBER":"432261","CASS_NUM":"51013162","SMP_TAKEN_DT":"6/3/2009","CONC":"1.666","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":"2009-06-03"},{"SOURCE_ROW_NUMBER":"290529","CASS_NUM":"51013169","SMP_TAKEN_DT":"5/22/2009","CONC":".115","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":"2009-05-22"},{"SOURCE_ROW_NUMBER":"578662","CASS_NUM":"51013188","SMP_TAKEN_DT":"5/21/2009","CONC":".14","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":"2009-05-21"},{"SOURCE_ROW_NUMBER":"320345","CASS_NUM":"51013196","SMP_TAKEN_DT":"5/20/2009","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":"2009-05-20"},{"SOURCE_ROW_NUMBER":"1512832","CASS_NUM":"57794272","SMP_TAKEN_DT":"5/19/2009","CONC":".175","SMP_TYPE_CD_DESC":"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":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2009-05-19"},{"SOURCE_ROW_NUMBER":"1453399","CASS_NUM":"51013209","SMP_TAKEN_DT":"5/19/2009","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":"2009-05-19"},{"SOURCE_ROW_NUMBER":"1354772","CASS_NUM":"57794286","SMP_TAKEN_DT":"5/19/2009","CONC":".076","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":"DISPATCHER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2009-05-19"},{"SOURCE_ROW_NUMBER":"1067760","CASS_NUM":"57794291","SMP_TAKEN_DT":"5/19/2009","CONC":".219","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":"2009-05-19"},{"SOURCE_ROW_NUMBER":"898723","CASS_NUM":"57794268","SMP_TAKEN_DT":"5/19/2009","CONC":".15","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":"2009-05-19"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":11,"firstDate":"2007-01-09","lastDate":"2008-02-05","metrics":{"linkedIssuances":11},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":241,"firstDate":"2006-08-10","lastDate":"2009-05-04","metrics":{"decisions":241,"ssChanged":15,"recentRows":0,"decisionPenalty":84882,"proposedPenalty":130433},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"408326","CITATION_NO":"8320369","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.503","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"407377","CITATION_NO":"8320375","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"351332","CITATION_NO":"8320370","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.1107-16(b)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"349398","CITATION_NO":"8320374","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"72.630(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"634.00","DECISION_PENALTY_AMT":"534.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"238630","CITATION_NO":"8320381","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.1100-3","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"237270","CITATION_NO":"8320371","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.1725(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"392.00","DECISION_PENALTY_AMT":"275.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"182332","CITATION_NO":"8320380","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.1724","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"181147","CITATION_NO":"8320368","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.503","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"125534","CITATION_NO":"8320377","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"125223","CITATION_NO":"8320372","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.503","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"125222","CITATION_NO":"8320373","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"},{"SOURCE_ROW_NUMBER":"123463","CITATION_NO":"8320379","CITATION_ISSUE_DT":"05/04/2009","DOCKET_NO":"KENT 2009-1228","DECISION_DT":"10/22/2010","CFR_STANDARD_CODE":"75.512","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-05-04"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":190,"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":28,"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":1,"firstDate":"2005-11-10","lastDate":"2005-11-10","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":39,"firstDate":"2005-12-05","lastDate":"2009-09-29","metrics":{"inspectors":94,"recentRows":0,"onSiteHours":1600.75,"inspectionHours":2527.25,"inspectionSamples":239},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"305308","EVENT_NO":"4444064","INSPECTION_BEGIN_DT":"09/29/2009","INSPECTION_END_DT":"10/02/2009","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"25","SUM_TOTAL_ON_SITE_HOURS":"12.5","sourceDate":"2009-09-29"},{"SOURCE_ROW_NUMBER":"259738","EVENT_NO":"4217252","INSPECTION_BEGIN_DT":"08/14/2009","INSPECTION_END_DT":"10/22/2009","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"33.5","SUM_TOTAL_ON_SITE_HOURS":"18","sourceDate":"2009-08-14"},{"SOURCE_ROW_NUMBER":"1045045","EVENT_NO":"4444060","INSPECTION_BEGIN_DT":"07/14/2009","INSPECTION_END_DT":"07/17/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"8.5","sourceDate":"2009-07-14"},{"SOURCE_ROW_NUMBER":"634327","EVENT_NO":"4451074","INSPECTION_BEGIN_DT":"04/08/2009","INSPECTION_END_DT":"04/09/2009","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2009-04-08"},{"SOURCE_ROW_NUMBER":"983413","EVENT_NO":"4444053","INSPECTION_BEGIN_DT":"04/02/2009","INSPECTION_END_DT":"06/29/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"195","SUM_TOTAL_ON_SITE_HOURS":"116.5","sourceDate":"2009-04-02"},{"SOURCE_ROW_NUMBER":"127121","EVENT_NO":"4443662","INSPECTION_BEGIN_DT":"03/30/2009","INSPECTION_END_DT":"04/01/2009","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1.75","sourceDate":"2009-03-30"},{"SOURCE_ROW_NUMBER":"815316","EVENT_NO":"4217240","INSPECTION_BEGIN_DT":"01/06/2009","INSPECTION_END_DT":"03/24/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"9","SUM_TOTAL_INSP_HOURS":"218","SUM_TOTAL_ON_SITE_HOURS":"157.5","sourceDate":"2009-01-06"},{"SOURCE_ROW_NUMBER":"908562","EVENT_NO":"4443381","INSPECTION_BEGIN_DT":"12/08/2008","INSPECTION_END_DT":"12/09/2008","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"12","sourceDate":"2008-12-08"},{"SOURCE_ROW_NUMBER":"1058540","EVENT_NO":"4443636","INSPECTION_BEGIN_DT":"10/15/2008","INSPECTION_END_DT":"12/17/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"5","SUM_TOTAL_INSP_HOURS":"187","SUM_TOTAL_ON_SITE_HOURS":"133.5","sourceDate":"2008-10-15"},{"SOURCE_ROW_NUMBER":"347203","EVENT_NO":"4443635","INSPECTION_BEGIN_DT":"10/15/2008","INSPECTION_END_DT":"10/16/2008","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2008-10-15"},{"SOURCE_ROW_NUMBER":"742792","EVENT_NO":"4232076","INSPECTION_BEGIN_DT":"10/14/2008","INSPECTION_END_DT":"10/16/2008","ACTIVITY_CODE":"E22","ACTIVITY":"Health Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"884578","EVENT_NO":"4468414","INSPECTION_BEGIN_DT":"10/06/2008","INSPECTION_END_DT":"10/30/2008","ACTIVITY_CODE":"E19","ACTIVITY":"Electrical Technical Investigation","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"30.5","SUM_TOTAL_ON_SITE_HOURS":"13.5","sourceDate":"2008-10-06"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":47,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2009-Q3":{"hours":14,"employees":1,"production":427},"2009-Q2":{"hours":21669,"employees":39,"production":33954},"2009-Q1":{"hours":24323,"employees":42,"production":63101},"2008-Q4":{"hours":24630,"employees":40,"production":81068},"2008-Q3":{"hours":25121,"employees":41,"production":77837},"2008-Q2":{"hours":25893,"employees":40,"production":82141},"2008-Q1":{"hours":26989,"employees":42,"production":74571},"2007-Q4":{"hours":17927,"employees":43,"production":59593},"2007-Q3":{"hours":25171,"employees":39,"production":85035},"2007-Q2":{"hours":23561,"employees":39,"production":64741},"2007-Q1":{"hours":22570,"employees":38,"production":86017},"2006-Q4":{"hours":21676,"employees":38,"production":72370}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":14,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005":{"hours":1747,"employees":10,"production":1470},"2006":{"hours":70902,"employees":30,"production":262791},"2007":{"hours":89229,"employees":40,"production":295386},"2008":{"hours":102633,"employees":41,"production":315617},"2009":{"hours":46006,"employees":30,"production":97482}},"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":56,"firstDate":"2006-02-17","lastDate":"2009-05-11","metrics":{"recentRows":0,"doseOver100":10,"actDoseTotal":4254,"pelDoseTotal":3342},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"90372","EVENT_NO":"4444053","SURVEY_DATE":"05/11/2009","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"72","PEL_DOSE_90":"56","SURVEY_TYPE":"I","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"90371","EVENT_NO":"4444053","SURVEY_DATE":"05/11/2009","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"114","PEL_DOSE_90":"97","SURVEY_TYPE":"I","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"90370","EVENT_NO":"4444053","SURVEY_DATE":"05/11/2009","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"31","PEL_DOSE_90":"20","SURVEY_TYPE":"I","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"90369","EVENT_NO":"4444053","SURVEY_DATE":"05/11/2009","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"40","PEL_DOSE_90":"25","SURVEY_TYPE":"I","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"90368","EVENT_NO":"4444053","SURVEY_DATE":"05/11/2009","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"60","PEL_DOSE_90":"52","SURVEY_TYPE":"I","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"90326","EVENT_NO":"4217240","SURVEY_DATE":"01/08/2009","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"76","PEL_DOSE_90":"62","SURVEY_TYPE":"I","sourceDate":"2009-01-08"},{"SOURCE_ROW_NUMBER":"90325","EVENT_NO":"4217240","SURVEY_DATE":"01/08/2009","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"70","PEL_DOSE_90":"50","SURVEY_TYPE":"I","sourceDate":"2009-01-08"},{"SOURCE_ROW_NUMBER":"90324","EVENT_NO":"4217240","SURVEY_DATE":"01/08/2009","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"65","PEL_DOSE_90":"52","SURVEY_TYPE":"I","sourceDate":"2009-01-08"},{"SOURCE_ROW_NUMBER":"90323","EVENT_NO":"4217240","SURVEY_DATE":"01/08/2009","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"74","PEL_DOSE_90":"58","SURVEY_TYPE":"I","sourceDate":"2009-01-08"},{"SOURCE_ROW_NUMBER":"90322","EVENT_NO":"4217240","SURVEY_DATE":"01/08/2009","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"82","PEL_DOSE_90":"67","SURVEY_TYPE":"I","sourceDate":"2009-01-08"},{"SOURCE_ROW_NUMBER":"90321","EVENT_NO":"4217240","SURVEY_DATE":"01/08/2009","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"76","PEL_DOSE_90":"62","SURVEY_TYPE":"I","sourceDate":"2009-01-08"},{"SOURCE_ROW_NUMBER":"90320","EVENT_NO":"4217240","SURVEY_DATE":"01/08/2009","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"70","PEL_DOSE_90":"56","SURVEY_TYPE":"I","sourceDate":"2009-01-08"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":14,"firstDate":"2006-02-17","lastDate":"2008-12-19","metrics":{"recentRows":0,"voidSamples":1,"maxQuartzPct":10.9,"validSamples":13,"quartzPctTotal":94},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"139833","CASSETTE_NO":"50955308","SAMPLE_DT":"12/19/2008","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"INSUFFICIENT WEIGHT GAIN","sourceDate":"2008-12-19"},{"SOURCE_ROW_NUMBER":"9409","CASSETTE_NO":"50955261","SAMPLE_DT":"11/18/2008","QUARTZ_PCT":"05.1","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-11-18"},{"SOURCE_ROW_NUMBER":"137601","CASSETTE_NO":"57776872","SAMPLE_DT":"10/24/2008","QUARTZ_PCT":"07.1","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-10-24"},{"SOURCE_ROW_NUMBER":"114236","CASSETTE_NO":"50955221","SAMPLE_DT":"05/19/2008","QUARTZ_PCT":"03.9","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-05-19"},{"SOURCE_ROW_NUMBER":"64437","CASSETTE_NO":"50925593","SAMPLE_DT":"11/12/2007","QUARTZ_PCT":"09.5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-11-12"},{"SOURCE_ROW_NUMBER":"133868","CASSETTE_NO":"57697729","SAMPLE_DT":"10/24/2007","QUARTZ_PCT":"10.9","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-10-24"},{"SOURCE_ROW_NUMBER":"76165","CASSETTE_NO":"57697674","SAMPLE_DT":"10/24/2007","QUARTZ_PCT":"08.4","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-10-24"},{"SOURCE_ROW_NUMBER":"138222","CASSETTE_NO":"57739741","SAMPLE_DT":"08/24/2007","QUARTZ_PCT":"05.9","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-08-24"},{"SOURCE_ROW_NUMBER":"134843","CASSETTE_NO":"57698547","SAMPLE_DT":"06/06/2007","QUARTZ_PCT":"07.2","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-06-06"},{"SOURCE_ROW_NUMBER":"7155","CASSETTE_NO":"50868682","SAMPLE_DT":"08/15/2006","QUARTZ_PCT":"04.8","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2006-08-15"},{"SOURCE_ROW_NUMBER":"82305","CASSETTE_NO":"57646947","SAMPLE_DT":"07/26/2006","QUARTZ_PCT":"07.4","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2006-07-26"},{"SOURCE_ROW_NUMBER":"74379","CASSETTE_NO":"57646849","SAMPLE_DT":"07/26/2006","QUARTZ_PCT":"09.3","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2006-07-26"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":383,"firstDate":"2005-12-13","lastDate":"2009-09-29","metrics":{"ss":143,"amountDue":130761,"contested":231,"amountPaid":130761,"recentRows":0,"section104d":1,"unterminated":1,"proposedPenalty":152105},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1090340","VIOLATION_NO":"8356483","VIOLATION_ISSUE_DT":"09/29/2009","SIG_SUB":"N","PART_SECTION":"75.1711-3","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/02/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-09-29"},{"SOURCE_ROW_NUMBER":"1090209","VIOLATION_NO":"8356401","VIOLATION_ISSUE_DT":"06/04/2009","SIG_SUB":"N","PART_SECTION":"75.333(d)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/09/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-06-04"},{"SOURCE_ROW_NUMBER":"1090208","VIOLATION_NO":"8320393","VIOLATION_ISSUE_DT":"05/19/2009","SIG_SUB":"Y","PART_SECTION":"75.380(d)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/28/2009","PROPOSED_PENALTY":"425","AMOUNT_DUE":"425","AMOUNT_PAID":"425","CONTESTED_IND":"N","sourceDate":"2009-05-19"},{"SOURCE_ROW_NUMBER":"1090207","VIOLATION_NO":"8320392","VIOLATION_ISSUE_DT":"05/14/2009","SIG_SUB":"N","PART_SECTION":"77.1104","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/18/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-05-14"},{"SOURCE_ROW_NUMBER":"1090206","VIOLATION_NO":"8320391","VIOLATION_ISSUE_DT":"05/14/2009","SIG_SUB":"N","PART_SECTION":"75.333(d)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/18/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-05-14"},{"SOURCE_ROW_NUMBER":"1090205","VIOLATION_NO":"8320390","VIOLATION_ISSUE_DT":"05/11/2009","SIG_SUB":"N","PART_SECTION":"75.1731(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/11/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1090204","VIOLATION_NO":"8320389","VIOLATION_ISSUE_DT":"05/11/2009","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/14/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1090203","VIOLATION_NO":"8320388","VIOLATION_ISSUE_DT":"05/11/2009","SIG_SUB":"Y","PART_SECTION":"75.208","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/11/2009","PROPOSED_PENALTY":"585","AMOUNT_DUE":"585","AMOUNT_PAID":"585","CONTESTED_IND":"N","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1090202","VIOLATION_NO":"8320387","VIOLATION_ISSUE_DT":"05/11/2009","SIG_SUB":"Y","PART_SECTION":"75.220(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/11/2009","PROPOSED_PENALTY":"585","AMOUNT_DUE":"585","AMOUNT_PAID":"585","CONTESTED_IND":"N","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1090201","VIOLATION_NO":"8320386","VIOLATION_ISSUE_DT":"05/11/2009","SIG_SUB":"N","PART_SECTION":"75.1106-5(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/11/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1090200","VIOLATION_NO":"8320385","VIOLATION_ISSUE_DT":"05/11/2009","SIG_SUB":"Y","PART_SECTION":"75.517","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/11/2009","PROPOSED_PENALTY":"392","AMOUNT_DUE":"392","AMOUNT_PAID":"392","CONTESTED_IND":"N","sourceDate":"2009-05-11"},{"SOURCE_ROW_NUMBER":"1090199","VIOLATION_NO":"8320384","VIOLATION_ISSUE_DT":"05/06/2009","SIG_SUB":"Y","PART_SECTION":"75.512","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/06/2009","PROPOSED_PENALTY":"585","AMOUNT_DUE":"585","AMOUNT_PAID":"585","CONTESTED_IND":"N","sourceDate":"2009-05-06"}]}],"safety":{"href":"/api/v1/mines/1518939/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1518939/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","heading":"Openings of active mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711-3","part":"75","subchapter":"O","subpart":"R","id":"75.1711-3","citation":"30 CFR 75.1711-3","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","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.333","heading":"Ventilation controls.","id":"75.333","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333","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) For purposes of this section, “doors” include any door frames.\n\n(b) Permanent stoppings or other permanent ventilation control devices constructed after November 15, 1992, shall be built and maintained—\n\n(1) Between intake and return air courses, except temporary controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the room was developed including where continuous face haulage systems are used in such rooms. Unless otherwise approved in the ventilation plan, these stoppings or controls shall be maintained to and including the third connecting crosscut outby the working face;\n\n(2) To separate belt conveyor haulageways from return air courses, except where belt entries in areas of mines developed before March 30, 1970, are used as return air courses;\n\n(3) To separate belt conveyor haulageways from intake air courses when the air in the intake air courses is used to provide air to active working places. Temporary ventilation controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the rooms were developed including where continuous face haulage systems are used in such rooms. When continuous face haulage systems are used, permanent stoppings or other permanent ventilation control devices shall be built and maintained to the outby most point of travel of the dolly or 600 feet from the point of deepest penetration in the conveyor belt entry, whichever distance is closer to the point of deepest penetration, to separate the continuous haulage entry from the intake entries;\n\n(4) To separate the primary escapeway from belt and trolley haulage entries, as required by § 75.380(g). For the purposes of § 75.380(g), the loading point for a continuous haulage system shall be the outby most point of travel of the dolly or 600 feet from the point of deepest penetration, whichever distance is less; and\n\n(5) In return air courses to direct air into adjacent worked-out areas.\n\n(c) Personnel doors shall be constructed of noncombustible material and shall be of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between air courses, and shall be installed as follows in permanent stoppings constructed after November 15, 1992:\n\n(1) The distance between personnel doors shall be no more than 300 feet in seam heights below 48 inches and 600 feet in seam heights 48 inches or higher.\n\n(2) The location of all personnel doors in stoppings along escapeways shall be clearly marked so that the doors may be easily identified by anyone traveling in the escapeway and in the entries on either side of the doors.\n\n(3) When not in use, personnel doors shall be closed.\n\n(4) An airlock shall be established where the air pressure differential between air courses creates a static force exceeding 125 pounds on closed personnel doors along escapeways.\n\n(d) Doors, other than personnel doors, constructed after November 15, 1992, that are used in lieu of permanent stoppings or to control ventilation within an air course shall be:\n\n(1) Made of noncombustible material or coated on all accessible surfaces with flame-retardant materials having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(2) Of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between or within air courses or entries.\n\n(3) Installed in pairs to form an airlock. When an airlock is used, one side of the airlock shall remain closed. When not in use, both sides shall be closed.\n\n(e)(1)(i) Except as provided in paragraphs (e)(2), (3), and (4) of this section, all overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after June 10, 1996, shall be constructed in a traditionally accepted method and of materials that have been demonstrated to perform adequately or in a method and of materials that have been tested and shown to have a minimum strength equal to or greater than the traditionally accepted in-mine controls. Tests may be performed under ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction” (Section 12-Transverse Load-Specimen Vertical, load, only), or the operator may conduct comparative in-mine tests. In-mine tests shall be designed to demonstrate the comparative strength of the proposed construction and a traditionally accepted in-mine control. The publication ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction,” is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(ii) All overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after November 15, 1992, shall be constructed of noncombustible material. Materials that are suitable for the construction of overcasts, undercasts, shaft partitions, permanent stoppings, and regulators include concrete, concrete block, brick, cinder block, tile, or steel. No ventilation controls installed after November 15, 1992, shall be constructed of aluminum.\n\n(2) In anthracite mines, permanent stoppings may be constructed of overlapping layers of hardwood mine boards, if the stoppings are a minimum 2 inches thick.\n\n(3) When timbers are used to create permanent stoppings in heaving or caving areas, the stoppings shall be coated on all accessible surfaces with a flame-retardant material having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(4) In anthracite mines, doors and regulators may be constructed of overlapping layers of hardwood boards, if the doors, door frames, and regulators are a minimum 2 inches thick.\n\n(f) When sealants are applied to ventilation controls, the sealant shall have a flame-spread index of 25 or less under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(g) Before mining is discontinued in an entry or room that is advanced more than 20 feet from the inby rib, a crosscut shall be made or line brattice shall be installed and maintained to provide adequate ventilation. When conditions such as methane liberation warrant a distance less than 20 feet, the approved ventilation plan shall specify the location of such rooms or entries and the maximum distance they will be developed before a crosscut is made or line brattice is installed.\n\n(h) All ventilation controls, including seals, shall be maintained to serve the purpose for which they were built.\n\n[61 FR 9829, Mar. 11, 1996; 61 FR 20877, May 8, 1996; 61 FR 26442, May 28, 1996; 61 FR 29288, 29289, June 10, 1996, as amended at 67 FR 38386, June 4, 2002; 71 FR 16668, Apr. 3, 2006; 73 FR 80612, Dec. 31, 2008; 80 FR 52991, Sept. 2, 2015; 91 FR 9448, Feb. 26, 2026]","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.380","heading":"Escapeways; bituminous and lignite mines.","id":"75.380","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.380","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) Except in situations addressed in § 75.381, § 75.385 and § 75.386, at least two separate and distinct travelable passageways shall be designated as escapeways and shall meet the requirements of this section.\n\n(b) (1) Escapeways shall be provided from each working section, and each area where mechanized mining equipment is being installed or removed, continuous to the surface escape drift opening or continuous to the escape shaft or slope facilities to the surface.\n\n(2) During equipment installation, these escapeways shall begin at the projected location for the section loading point. During equipment removal, they shall begin at the location of the last loading point.\n\n(c) The two separate and distinct escapeways required by this section shall not end at a common shaft, slope, or drift opening, except that multiple compartment shafts or slopes separated by walls constructed of noncombustible material may be used as separate and distinct passageways.\n\n(d) Each escapeway shall be—\n\n(1) Maintained in a safe condition to always assure passage of anyone, including disabled persons;\n\n(2) Clearly marked to show the route and direction of travel to the surface;\n\n(3) Maintained to at least a height of 5 feet from the mine floor to the mine roof, excluding the thickness of any roof support, except that the escapeways shall be maintained to at least the height of the coalbed, excluding the thickness of any roof support, where the coalbed is less than 5 feet. In areas of mines where escapeways pass through doors, the height may be less than 5 feet, provided that sufficient height is maintained to enable miners, including disabled persons, to escape quickly in an emergency. In areas of mines developed before November 16, 1992, where escapeways pass over or under overcasts or undercasts, the height may be less than 5 feet provided that sufficient height is maintained to enable miners, including disabled persons, to escape quickly in an emergency. When there is a need to determine whether sufficient height is provided, MSHA may require a stretcher test where 4 persons carry a miner through the area in question on a stretcher;\n\n(4) Maintained at least 6 feet wide except—\n\n(i) Where necessary supplemental roof support is installed, the escapeway shall not be less than 4 feet wide; or\n\n(ii) Where the route of travel passes through doors or other permanent ventilation controls, the escapeway shall be at least 4 feet wide to enable miners to escape quickly in an emergency, or\n\n(iii) Where the alternate escapeway passes through doors or other permanent ventilation controls or where supplemental roof support is required and sufficient width is maintained to enable miners, including disabled persons, to escape quickly in an emergency. When there is a need to determine whether sufficient width is provided, MSHA may require a stretcher test where 4 persons carry a miner through the area in question on a stretcher, or\n\n(iv) Where mobile equipment near working sections, and other equipment essential to the ongoing operation of longwall sections, is necessary during normal mining operations, such as material cars containing rock dust or roof control supplies, or is to be used for the evacuation of miners off the section in the event of an emergency. In any instance, escapeways shall be of sufficient width to enable miners, including disabled persons, to escape quickly in an emergency. When there is a need to determine whether sufficient width is provided, MSHA may require a stretcher test where 4 persons carry a miner through the area in question on a stretcher;\n\n(5) Located to follow the most direct, safe and practical route to the nearest mine opening suitable for the safe evacuation of miners; and\n\n(6) Provided with ladders, stairways, ramps, or similar facilities where the escapeways cross over obstructions.\n\n(7) Provided with a continuous, durable directional lifeline or equivalent device that shall be—\n\n(i) Installed and maintained throughout the entire length of each escapeway as defined in paragraph (b)(1) of this section;\n\n(ii) Flame-resistant in accordance with the requirements of part 18 of this chapter upon replacement of existing lifelines; but in no case later than June 15, 2009;\n\n(iii) Marked with a reflective material every 25 feet;\n\n(iv) Located in such a manner for miners to use effectively to escape;\n\n(v) Equipped with one directional indicator cone securely attached to the lifeline, signifying the route of escape, placed at intervals not exceeding 100 feet. Cones shall be installed so that the tapered section points inby;\n\n(vi) Equipped with one sphere securely attached to the lifeline at each intersection where personnel doors are installed in adjacent crosscuts;\n\n(vii) Equipped with two securely attached cones, installed consecutively with the tapered section pointing inby, to signify an attached branch line is immediately ahead.\n\n(A) A branch line leading from the lifeline to an SCSR cache will be marked with four cones with the base sections in contact to form two diamond shapes. The cones must be placed within reach of the lifeline.\n\n(B) A branch line leading from the lifeline to a refuge alternative will be marked with a rigid spiraled coil at least eight inches in length. The spiraled coil must be placed within reach of the lifeline (see Illustration 1 below).\n\n(e) Surface openings shall be adequately protected to prevent surface fires, fumes, smoke, and flood water from entering the mine.\n\n(f) Primary escapeway. (1) One escapeway that is ventilated with intake air shall be designated as the primary escapeway. The primary escapeway shall have a higher ventilation pressure than the belt entry unless the mine operator submits an alternative in the mine ventilation plan to protect the integrity of the primary escapeway, based on mine specific conditions, which is approved by the district manager.\n\n(2) Paragraphs (f)(3) through (f)(7) of this section apply as follows:\n\n(i) To all areas of a primary escapeway developed on or after November 16, 1992;\n\n(ii) Effective as of June 10, 1997, to all areas of a primary escapeway developed between March 30, 1970 and November 16, 1992; and\n\n(iii) Effective as of June 10, 1997, to all areas of the primary escapeway developed prior to March 30, 1970 where separation of the belt and trolley haulage entries from the primary escapeway existed prior to November 16, 1992.\n\n(3) The following equipment is not permitted in the primary escapeway:\n\n(i) Mobile equipment hauling coal except for hauling coal incidental to cleanup or maintenance of the primary escapeway.\n\n(ii) Compressors, except—\n\n(A) Compressors necessary to maintain the escapeway in safe, travelable condition;\n\n(B) Compressors that are components of equipment such as locomotives and rock dusting machines; and\n\n(C) Compressors of less than five horsepower.\n\n(iii) Underground transformer stations, battery charging stations, substations, and rectifiers except—\n\n(A) Where necessary to maintain the escapeway in safe, travelable condition; and\n\n(B) Battery charging stations and rectifiers and power centers with transformers that are either dry-type or contain nonflammable liquid, provided they are located on or near a working section and are moved as the section advances or retreats.\n\n(iv) Water pumps, except—\n\n(A) Water pumps necessary to maintain the escapeway in safe, travelable condition;\n\n(B) Submersible pumps;\n\n(C) Permissible pumps and associated permissible switchgear;\n\n(D) Pumps located on or near a working section that are moved as the section advances or retreats;\n\n(E) Pumps installed in anthracite mines; and\n\n(F) Small portable pumps.\n\n(4) Mobile equipment operated in the primary escapeway, except for continuous miners and as provided in paragraphs (f)(5), (f)(6), and (f)(7) of this section, shall be equipped with a fire suppression system installed according to §§ 75.1107-3 through 75.1107-16 that is—\n\n(i) Manually operated and attended continuously by a person trained in the systems function and use, or\n\n(ii) A multipurpose dry chemical type capable of both automatic and manual activation.\n\n(5) Personnel carriers and small mobile equipment designed and used only for carrying people and small hand tools may be operated in primary escapeways if—\n\n(i) The equipment is provided with a multipurpose dry chemical type fire suppression system capable of both automatic and manual activation, and the suppression system is suitable for the intended application and is listed or approved by a nationally recognized independent testing laboratory, or,\n\n(ii) Battery powered and provided with two 10 pound multipurpose dry chemical portable fire extinguishers.\n\n(6) Notwithstanding the requirements of paragraph (f)(3)(i), mobile equipment not provided with a fire suppression system may operate in the primary escapeway if no one is inby except those persons directly engaged in using or moving the equipment.\n\n(7) Notwithstanding the requirements of paragraph (f)(3)(i), mobile equipment designated and used only as emergency vehicles or ambulances, may be operated in the primary escapeway without fire suppression systems.\n\n(g) Except where separation of belt and trolley haulage entries from designated escapeways did not exist before November 15, 1992, and except as provided in § 75.350(c), the primary escapeway must be separated from belt and trolley haulage entries for its entire length, to and including the first connecting crosscut outby each loading point except when a greater or lesser distance for this separation is specified and approved in the mine ventilation plan and does not pose a hazard to miners.\n\n(h) Alternate escapeway. One escapeway shall be designated as the alternate escapeway. The alternate escapeway shall be separated from the primary escapeway for its entire length, except that the alternate and primary escapeways may be ventilated from a common intake air shaft or slope opening.\n\n(i) Mechanical escape facilities shall be provided and maintained for—\n\n(1) Each shaft that is part of a designated escapeway and is greater than 50 feet in depth; and\n\n(2) Each slope from the coal seam to the surface that is part of a designated escapeway and is inclined more than 9 degrees from the horizontal.\n\n(j) Within 30 minutes after mine personnel on the surface have been notified of an emergency requiring evacuation, mechanical escape facilities provided under paragraph (i) of this section shall be operational at the bottom of shaft and slope openings that are part of escapeways.\n\n(k) Except where automatically activated hoisting equipment is used, the bottom of each shaft or slope opening that is part of a designated escapeway shall be equipped with a means of signaling a surface location where a person is always on duty when anyone is underground. When the signal is activated or the evacuation of persons underground is necessary, the person shall assure that mechanical escape facilities are operational as required by paragraph (j) of this section.\n\n(l)(1) Stairways or mechanical escape facilities shall be installed in shafts that are part of the designated escapeways and that are 50 feet or less in depth, except ladders may be used in shafts that are part of the designated escapeways and that are 5 feet or less in depth.\n\n(2) Stairways shall be constructed of concrete or metal, set on an angle not to exceed 45 degrees from the horizontal, and equipped on the open side with handrails. In addition, landing platforms that are at least 2 feet by 4 feet shall be installed at intervals not to exceed 20 vertical feet on the stairways and equipped on the open side with handrails.\n\n(3) Ladders shall be constructed of metal, anchored securely, and set on an angle not to exceed 60 degrees from the horizontal.\n\n(m) A travelway designed to prevent slippage shall be provided in slope and drift openings that are part of designated escapeways, unless mechanical escape facilities are installed.\n\n[61 FR 9829, Mar. 11, 1996; 61 FR 20877, May 8, 1996, as amended at 61 FR 55527, Oct. 25, 1996; 69 FR 17530, Apr. 2, 2004; 71 FR 12269, Mar. 9, 2006; 71 FR 71452, Dec. 8, 2006; 73 FR 80613, Dec. 31, 2008]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1104","heading":"Accumulations of combustible materials.","id":"77.1104","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104","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":"Combustible materials, grease, lubricants, paints, or flammable liquids shall not be allowed to accumulate where they can create a fire hazard.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1731","heading":"Maintenance of belt conveyors and belt conveyor entries.","id":"75.1731","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731","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) Damaged rollers, or other damaged belt conveyor components, which pose a fire hazard must be immediately repaired or replaced. All other damaged rollers, or other damaged belt conveyor components, must be repaired or replaced.\n\n(b) Conveyor belts must be properly aligned to prevent the moving belt from rubbing against the structure or components.\n\n(c) Materials shall not be allowed in the belt conveyor entry where the material may contribute to a frictional heating hazard.\n\n(d) Splicing of any approved conveyor belt must maintain flame-resistant properties of the belt.\n\n[73 FR 80616, Dec. 31, 2008]","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":1},{"chapter":"I","heading":"Warning devices.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.208","part":"75","subchapter":"O","subpart":"C","id":"75.208","citation":"30 CFR 75.208","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 75.220","heading":"Roof control plan.","id":"75.220","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Roof Support","text":"(a)(1) Each mine operator shall develop and follow a roof control plan, approved by the District Manager, that is suitable to the prevailing geological conditions, and the mining system to be used at the mine. Additional measures shall be taken to protect persons if unusual hazards are encountered.\n\n(2) The proposed roof control plan and any revisions to the plan shall be submitted, in writing, to the District Manager. When revisions to a roof control plan are proposed, only the revised pages need to be submitted unless otherwise specified by the District Manager.\n\n(b)(1) The mine operator will be notified in writing of the approval or denial of approval of a proposed roof control plan or proposed revision.\n\n(2) When approval of a proposed plan or revision is denied, the deficiencies of the plan or revision and recommended changes will be specified and the mine operator will be afforded an opportunity to discuss the deficiencies and changes with the District Manager.\n\n(3) Before new support materials, devices or systems other than roof bolts and accessories, are used as the only means of roof support, the District Manager may require that their effectiveness be demonstrated by experimental installations.\n\n(c) No proposed roof control plan or revision to a roof control plan shall be implemented before it is approved.\n\n(d) Before implementing an approved revision to a roof control plan, all persons who are affected by the revision shall be instructed in its provisions.\n\n(e) The approved roof control plan and any revisions shall be available to the miners and representative of miners at the mine.\n\n[53 FR 2375, Jan. 27, 1988; 53 FR 11395, Apr. 6, 1988, as amended at 60 FR 33723, June 29, 1995; 71 FR 16668, Apr. 3, 2006]","occurrenceCount":1},{"chapter":"I","heading":"Maintenance and tests of liquefied and nonliquefied compressed gas cylinders; accessories and equipment; requirements.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1106-5","part":"75","subchapter":"O","subpart":"L","id":"75.1106-5","citation":"30 CFR 75.1106-5","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 75.517","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},{"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1518939","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}