{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4608756","name":"Plum Mine","status":"Abandoned","status_date":"2013-09-03","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Preston","nearest_town":"Tunnelton","operator_id":"P23421","operator_name":"Double H Mining Co Inc","controller_id":"C15396","controller_name":"Terry  Hovatter","district":"C03","office":"Morgantown District","employees":0,"latitude":39.401388,"longitude":-79.8025},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":1931},"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":"4608756","name":"Plum Mine"},"operator":{"type":"operator","id":"P23421","name":"Double H Mining Co Inc"},"controller":{"type":"controller","id":"C15396","name":"Terry  Hovatter"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12488","name":"James L  Laurita Jr  et al"},"object":{"type":"mine","id":"4608756","name":"Plum Mine"},"validFrom":"1991-01-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|C12488|1991-01-15|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15396","name":"Terry  Hovatter"},"object":{"type":"mine","id":"4608756","name":"Plum Mine"},"validFrom":"1996-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|C15396|1996-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21358","name":"Dana Mining Company Inc"},"object":{"type":"mine","id":"4608756","name":"Plum Mine"},"validFrom":"1999-01-01","validTo":"2003-02-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|P21358|1999-01-01|2003-02-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12488","name":"James L  Laurita Jr  et al"},"object":{"type":"operator","id":"P21358","name":"Dana Mining Company Inc"},"validFrom":"1999-01-01","validTo":"2003-02-28","current":false,"derived":true,"evidenceMineId":"4608756","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|P21358|1999-01-01|C12488|1991-01-15|87100"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12488","name":"Thomas A  Laurita  et al"},"object":{"type":"operator","id":"P21358","name":"Dana Mining Company Inc"},"validFrom":"1999-01-01","validTo":"2003-02-28","current":false,"derived":true,"evidenceMineId":"4608756","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|P21358|1999-01-01|C12488|1991-01-15|87101"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051319","name":"PC Mining LLC"},"object":{"type":"mine","id":"4608756","name":"Plum Mine"},"validFrom":"2003-03-01","validTo":"2007-09-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|0051319|2003-03-01|2007-09-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041795","name":"Randall G  Wilkerson"},"object":{"type":"mine","id":"4608756","name":"Plum Mine"},"validFrom":"2003-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|0041795|2003-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041795","name":"Randall G  Wilkerson"},"object":{"type":"operator","id":"0051319","name":"PC Mining LLC"},"validFrom":"2003-03-01","validTo":"2007-09-11","current":false,"derived":true,"evidenceMineId":"4608756","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|0051319|2003-03-01|0041795|2003-03-01|3092"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23421","name":"Double H Mining Co Inc"},"object":{"type":"mine","id":"4608756","name":"Plum Mine"},"validFrom":"2007-09-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|P23421|2007-09-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15396","name":"Terry  Hovatter"},"object":{"type":"operator","id":"P23421","name":"Double H Mining Co Inc"},"validFrom":"2007-09-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608756","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608756|P23421|2007-09-12|C15396|1996-03-01|95471"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":14,"firstDate":"2003-12-30","lastDate":"2011-06-30","metrics":{"daysLost":430,"injuries":10,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"167321","DOCUMENT_NO":"220111890031","ACCIDENT_DT":"06/30/2011","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"6","NARRATIVE":"EE and co-worker were handling buckets of plaster across a shuttle car cable. He slipped causing his right elbow to bend in a backwards direction when it hit the side of his leg. He notified company of injury at 6:25 AM on 7/5/11.","sourceDate":"2011-06-30"},{"SOURCE_ROW_NUMBER":"93998","DOCUMENT_NO":"220111110039","ACCIDENT_DT":"04/15/2011","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","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":"180","NARRATIVE":"While drilling hole to install roof bolt. Rock broke around drill steel. Dislodging rock and fell between operators canopy and ATRS support falling onto operator left leg. Rock measured approx 29'L X 23\"W X 11\"Thick.","sourceDate":"2011-04-15"},{"SOURCE_ROW_NUMBER":"218954","DOCUMENT_NO":"220110940042","ACCIDENT_DT":"03/31/2011","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":"While cutting a 3 way intersection, #5 entry into #6 entry. Completed. The top roof rock fell across #6 entry, pulling roof bolts. The roof fall measures approx. 16'W x 16'L x 8'H.","sourceDate":"2011-03-31"},{"SOURCE_ROW_NUMBER":"158700","DOCUMENT_NO":"220102320037","ACCIDENT_DT":"08/14/2010","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Bull gang foreman, Labor foreman, Leadman, Section foreman, Shift boss","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While preparing S & S feeder to be moved, EE was moving cable he stepped on a piece of rock causing him to fall. When he fell his knee went in the opposite direction if his body causing him to twist his knee.","sourceDate":"2010-08-14"},{"SOURCE_ROW_NUMBER":"249050","DOCUMENT_NO":"220102180034","ACCIDENT_DT":"07/30/2010","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"2 blocks inby spad #806 area had potted out some. While setting additional timbers around the area, more rocks came loose pulling bolts. Total area measured 20' W 20' L and 10' H approx. There were more timbers set and area posted and dangered off. Additional supports are being set around the block due to additional rock potting out.","sourceDate":"2010-07-30"},{"SOURCE_ROW_NUMBER":"270515","DOCUMENT_NO":"220100740052","ACCIDENT_DT":"03/08/2010","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"While traveling our return air course to EP's 1 state inspector and 1 msha inspector found a roof fall located left of spad 338 in the old panel at an intersection mined around Nov. 2003. Area posted off and danger sign hung.","sourceDate":"2010-03-08"},{"SOURCE_ROW_NUMBER":"46856","DOCUMENT_NO":"220092430044","ACCIDENT_DT":"08/14/2009","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"During inspection of our travel road, also our secondary escape way. A roof fall of the intersection 1 block outby spad 641 was noticed. Fall measured approx 8'H x 17'w X 24'L. There were no visual warnings. However there was a slip in the strata that may have contributed to the fall. The fall has been cleaned up and area timbered around.","sourceDate":"2009-08-14"},{"SOURCE_ROW_NUMBER":"175930","DOCUMENT_NO":"220090200094","ACCIDENT_DT":"01/15/2009","DEGREE_INJURY":"PERM TOT OR PERM PRTL DISABLTY","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":"23","NARRATIVE":"While installing roof bolt a piece of rock came loose and smashed finger on bolting machine frame rail.","sourceDate":"2009-01-15"},{"SOURCE_ROW_NUMBER":"158699","DOCUMENT_NO":"220083500059","ACCIDENT_DT":"12/08/2008","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Discontinued 1/31/2014.  Several other codes cover Scoop Car Operator","NO_INJURIES":"1","DAYS_LOST":"4","NARRATIVE":"Canopy was lowered and employee hit his ear on it.","sourceDate":"2008-12-08"},{"SOURCE_ROW_NUMBER":"106745","DOCUMENT_NO":"220081440043","ACCIDENT_DT":"05/14/2008","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","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":"102","NARRATIVE":"Put his hand in tray on roof bolter and a small piece of slate hit his finger.","sourceDate":"2008-05-14"},{"SOURCE_ROW_NUMBER":"180221","DOCUMENT_NO":"220041950019","ACCIDENT_DT":"06/15/2004","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"CUT RIGHT MIDDLE FINGER WITH KNIFE, REQUIRED SUTURES.","sourceDate":"2004-06-15"},{"SOURCE_ROW_NUMBER":"38317","DOCUMENT_NO":"220040770012","ACCIDENT_DT":"03/15/2004","DEGREE_INJURY":"PERM TOT OR PERM PRTL DISABLTY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Caught in, under or between NEC","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"38","NARRATIVE":"THE EE WAS WATCHING THE BOLTER OPERATOR BOLT AND UPON LEAVING PUT HIS HAND ON THE ARMS THAT ATTACHED TO THE HEAD.  AT THE SAME TIME THE BOLTER OPERATOR RAISED THE HEAD, THUS CRUSHING THE LEFT PINKIE FINGER OF THE EE.  ONCE AT THE HOSPITAL, THE DOCTORS ADVISED THAT THE FINGER BE REMOVED BELOW THE FIRST KNUCKLE.","sourceDate":"2004-03-15"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2013-09-03","lastDate":"2013-09-03","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":498,"firstDate":"2000-01-10","lastDate":"2012-06-26","metrics":{"ss":166,"delinquent":498,"recentRows":0,"paidPenalty":91281.19,"proposedPenalty":121328,"currentAssessment":116399},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1702404","VIOLATION_NO":"7113897","ISSUE_DT":"06/26/2012","CFR_STANDARD_CD":"71.220(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-06-26"},{"SOURCE_ROW_NUMBER":"1702403","VIOLATION_NO":"7113815","ISSUE_DT":"04/30/2012","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":"2012-04-30"},{"SOURCE_ROW_NUMBER":"1702402","VIOLATION_NO":"7113814","ISSUE_DT":"04/24/2012","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":"2012-04-24"},{"SOURCE_ROW_NUMBER":"1702401","VIOLATION_NO":"7113813","ISSUE_DT":"04/24/2012","CFR_STANDARD_CD":"75.220(a)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"263.00","CURRENT_ASSESSMENT_AMT":"263.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-24"},{"SOURCE_ROW_NUMBER":"1702400","VIOLATION_NO":"7113812","ISSUE_DT":"04/24/2012","CFR_STANDARD_CD":"75.1725(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"117.00","CURRENT_ASSESSMENT_AMT":"117.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-24"},{"SOURCE_ROW_NUMBER":"1702399","VIOLATION_NO":"7113807","ISSUE_DT":"04/18/2012","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"162.00","CURRENT_ASSESSMENT_AMT":"162.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-18"},{"SOURCE_ROW_NUMBER":"1702398","VIOLATION_NO":"7113806","ISSUE_DT":"04/18/2012","CFR_STANDARD_CD":"75.503","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"150.00","CURRENT_ASSESSMENT_AMT":"150.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-18"},{"SOURCE_ROW_NUMBER":"1721675","VIOLATION_NO":"7106249","ISSUE_DT":"04/16/2012","CFR_STANDARD_CD":"75.202(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"263.00","CURRENT_ASSESSMENT_AMT":"263.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"1702397","VIOLATION_NO":"7113803","ISSUE_DT":"04/11/2012","CFR_STANDARD_CD":"75.1722(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":"2012-04-11"},{"SOURCE_ROW_NUMBER":"1702396","VIOLATION_NO":"7113802","ISSUE_DT":"04/11/2012","CFR_STANDARD_CD":"75.512","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"540.00","CURRENT_ASSESSMENT_AMT":"540.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"1702395","VIOLATION_NO":"7113801","ISSUE_DT":"04/11/2012","CFR_STANDARD_CD":"75.503","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"138.00","CURRENT_ASSESSMENT_AMT":"138.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"1701714","VIOLATION_NO":"7113951","ISSUE_DT":"03/14/2012","CFR_STANDARD_CD":"75.523-1(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"263.00","CURRENT_ASSESSMENT_AMT":"263.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-03-14"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":8,"firstDate":"2011-11-07","lastDate":"2012-02-15","metrics":{"appeals":0,"decisions":8,"recentRows":0,"decisionPenalty":4899,"originalPenalty":9828},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"272970","VIOLATION_NO":"8024989","DOCKET_NO":"WEVA 2010-949","DECISION_DT":"02/15/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"1026.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2012-02-15"},{"SOURCE_ROW_NUMBER":"55675","VIOLATION_NO":"8024990","DOCKET_NO":"WEVA 2010-949","DECISION_DT":"02/15/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2536.00","DECISION_PENALTY_AMT":"2282.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2012-02-15"},{"SOURCE_ROW_NUMBER":"280873","VIOLATION_NO":"8025428","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"117.00","DECISION_PENALTY_AMT":"117.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2011-11-07"},{"SOURCE_ROW_NUMBER":"280872","VIOLATION_NO":"8025426","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"117.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2011-11-07"},{"SOURCE_ROW_NUMBER":"280871","VIOLATION_NO":"8025425","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1944.00","DECISION_PENALTY_AMT":"392.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2011-11-07"},{"SOURCE_ROW_NUMBER":"280640","VIOLATION_NO":"8025430","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"263.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2011-11-07"},{"SOURCE_ROW_NUMBER":"280639","VIOLATION_NO":"8025275","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1944.00","DECISION_PENALTY_AMT":"585.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2011-11-07"},{"SOURCE_ROW_NUMBER":"280465","VIOLATION_NO":"8025429","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"117.00","DECISION_PENALTY_AMT":"117.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2011-11-07"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":459,"firstDate":"2000-01-06","lastDate":"2012-04-16","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":92,"validSamples":367,"maxConcentration":12.148,"concentrationTotal":214.234},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1562655","CASS_NUM":"51160470","SMP_TAKEN_DT":"4/16/2012","CONC":".5","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":"2012-04-16"},{"SOURCE_ROW_NUMBER":"871544","CASS_NUM":"51160515","SMP_TAKEN_DT":"4/16/2012","CONC":".135","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":"2012-04-16"},{"SOURCE_ROW_NUMBER":"1561449","CASS_NUM":"51172379","SMP_TAKEN_DT":"4/13/2012","CONC":".444","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":"2012-04-13"},{"SOURCE_ROW_NUMBER":"130721","CASS_NUM":"51160477","SMP_TAKEN_DT":"4/12/2012","CONC":".301","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":"2012-04-12"},{"SOURCE_ROW_NUMBER":"746351","CASS_NUM":"51172766","SMP_TAKEN_DT":"4/11/2012","CONC":".409","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":"2012-04-11"},{"SOURCE_ROW_NUMBER":"947775","CASS_NUM":"51172369","SMP_TAKEN_DT":"4/10/2012","CONC":".357","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":"2012-04-10"},{"SOURCE_ROW_NUMBER":"1413511","CASS_NUM":"51172364","SMP_TAKEN_DT":"4/9/2012","CONC":".74","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":"2012-04-09"},{"SOURCE_ROW_NUMBER":"1484371","CASS_NUM":"57969196","SMP_TAKEN_DT":"2/29/2012","CONC":".142","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-02-29"},{"SOURCE_ROW_NUMBER":"1311154","CASS_NUM":"57969254","SMP_TAKEN_DT":"2/29/2012","CONC":"1.666","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":"2012-02-29"},{"SOURCE_ROW_NUMBER":"1240672","CASS_NUM":"57969548","SMP_TAKEN_DT":"2/29/2012","CONC":".23","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":"2012-02-29"},{"SOURCE_ROW_NUMBER":"1183472","CASS_NUM":"57969075","SMP_TAKEN_DT":"2/29/2012","CONC":".398","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-02-29"},{"SOURCE_ROW_NUMBER":"846832","CASS_NUM":"57969144","SMP_TAKEN_DT":"2/29/2012","CONC":".439","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-02-29"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":27,"firstDate":"2004-03-19","lastDate":"2016-08-05","metrics":{"linkedIssuances":27},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":8,"firstDate":"2010-02-22","lastDate":"2010-05-18","metrics":{"decisions":8,"ssChanged":2,"recentRows":0,"decisionPenalty":4899,"proposedPenalty":9828},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"355308","CITATION_NO":"8025426","CITATION_ISSUE_DT":"05/18/2010","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"117.00","sourceDate":"2010-05-18"},{"SOURCE_ROW_NUMBER":"299147","CITATION_NO":"8025275","CITATION_ISSUE_DT":"05/18/2010","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1944.00","DECISION_PENALTY_AMT":"585.00","sourceDate":"2010-05-18"},{"SOURCE_ROW_NUMBER":"186637","CITATION_NO":"8025429","CITATION_ISSUE_DT":"05/18/2010","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"117.00","DECISION_PENALTY_AMT":"117.00","sourceDate":"2010-05-18"},{"SOURCE_ROW_NUMBER":"185669","CITATION_NO":"8025430","CITATION_ISSUE_DT":"05/18/2010","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"263.00","sourceDate":"2010-05-18"},{"SOURCE_ROW_NUMBER":"73439","CITATION_NO":"8025428","CITATION_ISSUE_DT":"05/18/2010","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"117.00","DECISION_PENALTY_AMT":"117.00","sourceDate":"2010-05-18"},{"SOURCE_ROW_NUMBER":"17326","CITATION_NO":"8025425","CITATION_ISSUE_DT":"05/18/2010","DOCKET_NO":"WEVA 2010-1394","DECISION_DT":"11/07/2011","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"1944.00","DECISION_PENALTY_AMT":"392.00","sourceDate":"2010-05-18"},{"SOURCE_ROW_NUMBER":"356346","CITATION_NO":"8024989","CITATION_ISSUE_DT":"02/22/2010","DOCKET_NO":"WEVA 2010-949","DECISION_DT":"02/15/2012","CFR_STANDARD_CODE":"75.512","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"1026.00","sourceDate":"2010-02-22"},{"SOURCE_ROW_NUMBER":"299621","CITATION_NO":"8024990","CITATION_ISSUE_DT":"02/22/2010","DOCKET_NO":"WEVA 2010-949","DECISION_DT":"02/15/2012","CFR_STANDARD_CODE":"75.503","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2536.00","DECISION_PENALTY_AMT":"2282.00","sourceDate":"2010-02-22"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":137,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":2,"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":19,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":2,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":4,"firstDate":"1999-01-01","lastDate":"2007-09-12","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":3},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":100,"firstDate":"2000-01-03","lastDate":"2013-01-03","metrics":{"inspectors":174,"recentRows":0,"onSiteHours":2397.5,"inspectionHours":4138.5,"inspectionSamples":205},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"583747","EVENT_NO":"6259506","INSPECTION_BEGIN_DT":"01/03/2013","INSPECTION_END_DT":"01/03/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2013-01-03"},{"SOURCE_ROW_NUMBER":"950421","EVENT_NO":"6264677","INSPECTION_BEGIN_DT":"10/23/2012","INSPECTION_END_DT":"10/23/2012","ACTIVITY_CODE":"E21","ACTIVITY":"Ventilation Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2012-10-23"},{"SOURCE_ROW_NUMBER":"604086","EVENT_NO":"6259435","INSPECTION_BEGIN_DT":"10/16/2012","INSPECTION_END_DT":"10/16/2012","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2012-10-16"},{"SOURCE_ROW_NUMBER":"827296","EVENT_NO":"6259528","INSPECTION_BEGIN_DT":"09/11/2012","INSPECTION_END_DT":"09/11/2012","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2012-09-11"},{"SOURCE_ROW_NUMBER":"592804","EVENT_NO":"6259523","INSPECTION_BEGIN_DT":"07/02/2012","INSPECTION_END_DT":"07/17/2012","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2012-07-02"},{"SOURCE_ROW_NUMBER":"501807","EVENT_NO":"6264669","INSPECTION_BEGIN_DT":"05/16/2012","INSPECTION_END_DT":"05/16/2012","ACTIVITY_CODE":"E21","ACTIVITY":"Ventilation Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2012-05-16"},{"SOURCE_ROW_NUMBER":"1156063","EVENT_NO":"6264696","INSPECTION_BEGIN_DT":"04/03/2012","INSPECTION_END_DT":"05/18/2012","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15.5","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2012-04-03"},{"SOURCE_ROW_NUMBER":"1022294","EVENT_NO":"6259521","INSPECTION_BEGIN_DT":"04/03/2012","INSPECTION_END_DT":"06/26/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"123.25","SUM_TOTAL_ON_SITE_HOURS":"79","sourceDate":"2012-04-03"},{"SOURCE_ROW_NUMBER":"325643","EVENT_NO":"6264560","INSPECTION_BEGIN_DT":"02/14/2012","INSPECTION_END_DT":"02/14/2012","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2012-02-14"},{"SOURCE_ROW_NUMBER":"746546","EVENT_NO":"6259423","INSPECTION_BEGIN_DT":"01/03/2012","INSPECTION_END_DT":"03/29/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"152.5","SUM_TOTAL_ON_SITE_HOURS":"105.25","sourceDate":"2012-01-03"},{"SOURCE_ROW_NUMBER":"978384","EVENT_NO":"6264545","INSPECTION_BEGIN_DT":"11/16/2011","INSPECTION_END_DT":"11/16/2011","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2011-11-16"},{"SOURCE_ROW_NUMBER":"441995","EVENT_NO":"6261159","INSPECTION_BEGIN_DT":"10/05/2011","INSPECTION_END_DT":"10/26/2011","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"13","sourceDate":"2011-10-05"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":76,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2013-Q2":{"hours":0,"employees":0,"production":0},"2013-Q1":{"hours":0,"employees":0,"production":0},"2012-Q4":{"hours":0,"employees":0,"production":0},"2012-Q3":{"hours":80,"employees":1,"production":0},"2012-Q2":{"hours":5217,"employees":13,"production":1643},"2012-Q1":{"hours":12753,"employees":24,"production":3429},"2011-Q4":{"hours":11403,"employees":23,"production":5422},"2011-Q3":{"hours":11307,"employees":22,"production":3356},"2011-Q2":{"hours":12136,"employees":24,"production":13004},"2011-Q1":{"hours":11211,"employees":23,"production":7803},"2010-Q4":{"hours":11364,"employees":22,"production":18000},"2010-Q3":{"hours":10978,"employees":22,"production":22251}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":18,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":10515,"employees":11,"production":16073},"2001":{"hours":109,"employees":1,"production":0},"2003":{"hours":10068,"employees":12,"production":11553},"2004":{"hours":7984,"employees":9,"production":17556},"2005":{"hours":8760,"employees":3,"production":0},"2008":{"hours":54227,"employees":26,"production":171048},"2009":{"hours":35541,"employees":19,"production":92551},"2010":{"hours":42193,"employees":22,"production":88443},"2011":{"hours":46057,"employees":23,"production":29585},"2012":{"hours":18050,"employees":18,"production":5072}},"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":34,"firstDate":"2000-01-10","lastDate":"2012-05-15","metrics":{"recentRows":0,"doseOver100":2,"actDoseTotal":1525,"pelDoseTotal":1110},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"242255","EVENT_NO":"6259521","SURVEY_DATE":"05/15/2012","OCCUPATION_CD_DESC":"FIRE BOSS PRE-SHIFT EXAMINER","MACHINE_CD":"04","MANUFACTURER_CD":"001","ACT_DOSE_85":"12","PEL_DOSE_90":"4","SURVEY_TYPE":"I","sourceDate":"2012-05-15"},{"SOURCE_ROW_NUMBER":"242254","EVENT_NO":"6259521","SURVEY_DATE":"05/15/2012","OCCUPATION_CD_DESC":"ELECTRICIAN","MACHINE_CD":"04","MANUFACTURER_CD":"001","ACT_DOSE_85":"5","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2012-05-15"},{"SOURCE_ROW_NUMBER":"242248","EVENT_NO":"6255040","SURVEY_DATE":"03/21/2011","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"8","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2011-03-21"},{"SOURCE_ROW_NUMBER":"242247","EVENT_NO":"6255040","SURVEY_DATE":"02/28/2011","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"56","PEL_DOSE_90":"42","SURVEY_TYPE":"I","sourceDate":"2011-02-28"},{"SOURCE_ROW_NUMBER":"242246","EVENT_NO":"6255040","SURVEY_DATE":"02/28/2011","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"42","PEL_DOSE_90":"28","SURVEY_TYPE":"I","sourceDate":"2011-02-28"},{"SOURCE_ROW_NUMBER":"242245","EVENT_NO":"6255040","SURVEY_DATE":"02/28/2011","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"38","MANUFACTURER_CD":"098","ACT_DOSE_85":"43","PEL_DOSE_90":"27","SURVEY_TYPE":"I","sourceDate":"2011-02-28"},{"SOURCE_ROW_NUMBER":"242244","EVENT_NO":"6255040","SURVEY_DATE":"02/28/2011","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"72","PEL_DOSE_90":"43","SURVEY_TYPE":"I","sourceDate":"2011-02-28"},{"SOURCE_ROW_NUMBER":"242243","EVENT_NO":"6255040","SURVEY_DATE":"02/28/2011","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"113","PEL_DOSE_90":"93","SURVEY_TYPE":"I","sourceDate":"2011-02-28"},{"SOURCE_ROW_NUMBER":"242259","EVENT_NO":"6259660","SURVEY_DATE":"05/10/2010","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"65","PEL_DOSE_90":"29","SURVEY_TYPE":"I","sourceDate":"2010-05-10"},{"SOURCE_ROW_NUMBER":"242258","EVENT_NO":"6259660","SURVEY_DATE":"05/10/2010","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"31","PEL_DOSE_90":"30","SURVEY_TYPE":"I","sourceDate":"2010-05-10"},{"SOURCE_ROW_NUMBER":"242257","EVENT_NO":"6259660","SURVEY_DATE":"05/10/2010","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"41","PEL_DOSE_90":"39","SURVEY_TYPE":"I","sourceDate":"2010-05-10"},{"SOURCE_ROW_NUMBER":"242256","EVENT_NO":"6259660","SURVEY_DATE":"05/10/2010","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"58","PEL_DOSE_90":"53","SURVEY_TYPE":"I","sourceDate":"2010-05-10"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":18,"firstDate":"2000-01-06","lastDate":"2011-11-16","metrics":{"recentRows":0,"voidSamples":2,"maxQuartzPct":7.5,"validSamples":16,"quartzPctTotal":72.1},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"84482","CASSETTE_NO":"57960984","SAMPLE_DT":"11/16/2011","QUARTZ_PCT":"04.0","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-11-16"},{"SOURCE_ROW_NUMBER":"294","CASSETTE_NO":"57961044","SAMPLE_DT":"11/16/2011","QUARTZ_PCT":"04.4","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-11-16"},{"SOURCE_ROW_NUMBER":"61654","CASSETTE_NO":"57916340","SAMPLE_DT":"02/09/2011","QUARTZ_PCT":"05.8","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-02-09"},{"SOURCE_ROW_NUMBER":"81932","CASSETTE_NO":"57877277","SAMPLE_DT":"09/27/2010","QUARTZ_PCT":"05.4","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2010-09-27"},{"SOURCE_ROW_NUMBER":"16471","CASSETTE_NO":"51067637","SAMPLE_DT":"07/01/2010","QUARTZ_PCT":"03.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2010-07-01"},{"SOURCE_ROW_NUMBER":"96798","CASSETTE_NO":"51067650","SAMPLE_DT":"06/15/2010","QUARTZ_PCT":"00.9","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2010-06-15"},{"SOURCE_ROW_NUMBER":"6542","CASSETTE_NO":"57855916","SAMPLE_DT":"06/02/2010","QUARTZ_PCT":"07.2","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2010-06-02"},{"SOURCE_ROW_NUMBER":"65673","CASSETTE_NO":"57813239","SAMPLE_DT":"07/28/2009","QUARTZ_PCT":"02.1","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2009-07-28"},{"SOURCE_ROW_NUMBER":"85497","CASSETTE_NO":"50980675","SAMPLE_DT":"03/12/2009","QUARTZ_PCT":"01.1","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2009-03-12"},{"SOURCE_ROW_NUMBER":"9423","CASSETTE_NO":"50980687","SAMPLE_DT":"02/12/2009","QUARTZ_PCT":"00.7","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2009-02-12"},{"SOURCE_ROW_NUMBER":"107117","CASSETTE_NO":"57767625","SAMPLE_DT":"09/17/2008","QUARTZ_PCT":"04.9","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"INVALID CERTIFICATION NUMBER","sourceDate":"2008-09-17"},{"SOURCE_ROW_NUMBER":"118692","CASSETTE_NO":"50912216","SAMPLE_DT":"05/28/2008","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"INSUFFICIENT WEIGHT GAIN","sourceDate":"2008-05-28"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":509,"firstDate":"2000-01-10","lastDate":"2012-06-26","metrics":{"ss":167,"amountDue":116399,"contested":8,"amountPaid":91281.19,"recentRows":0,"section104d":6,"unterminated":8,"proposedPenalty":121328},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2770221","VIOLATION_NO":"7113897","VIOLATION_ISSUE_DT":"06/26/2012","SIG_SUB":"N","PART_SECTION":"71.220(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"5","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/26/2012","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2012-06-26"},{"SOURCE_ROW_NUMBER":"2770220","VIOLATION_NO":"7113815","VIOLATION_ISSUE_DT":"04/30/2012","SIG_SUB":"N","PART_SECTION":"75.403","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/30/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-04-30"},{"SOURCE_ROW_NUMBER":"2770219","VIOLATION_NO":"7113814","VIOLATION_ISSUE_DT":"04/24/2012","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/24/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-04-24"},{"SOURCE_ROW_NUMBER":"2770218","VIOLATION_NO":"7113813","VIOLATION_ISSUE_DT":"04/24/2012","SIG_SUB":"Y","PART_SECTION":"75.220(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/24/2012","PROPOSED_PENALTY":"263","AMOUNT_DUE":"263","AMOUNT_PAID":"263","CONTESTED_IND":"N","sourceDate":"2012-04-24"},{"SOURCE_ROW_NUMBER":"2770217","VIOLATION_NO":"7113812","VIOLATION_ISSUE_DT":"04/24/2012","SIG_SUB":"Y","PART_SECTION":"75.1725(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/24/2012","PROPOSED_PENALTY":"117","AMOUNT_DUE":"117","AMOUNT_PAID":"117","CONTESTED_IND":"N","sourceDate":"2012-04-24"},{"SOURCE_ROW_NUMBER":"2770216","VIOLATION_NO":"7113807","VIOLATION_ISSUE_DT":"04/18/2012","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/18/2012","PROPOSED_PENALTY":"162","AMOUNT_DUE":"162","AMOUNT_PAID":"162","CONTESTED_IND":"N","sourceDate":"2012-04-18"},{"SOURCE_ROW_NUMBER":"2770215","VIOLATION_NO":"7113806","VIOLATION_ISSUE_DT":"04/18/2012","SIG_SUB":"N","PART_SECTION":"75.503","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/18/2012","PROPOSED_PENALTY":"150","AMOUNT_DUE":"150","AMOUNT_PAID":"150","CONTESTED_IND":"N","sourceDate":"2012-04-18"},{"SOURCE_ROW_NUMBER":"2770211","VIOLATION_NO":"7106249","VIOLATION_ISSUE_DT":"04/16/2012","SIG_SUB":"Y","PART_SECTION":"75.202(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/16/2012","PROPOSED_PENALTY":"263","AMOUNT_DUE":"263","AMOUNT_PAID":"263","CONTESTED_IND":"N","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"2770214","VIOLATION_NO":"7113803","VIOLATION_ISSUE_DT":"04/11/2012","SIG_SUB":"Y","PART_SECTION":"75.1722(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2012","PROPOSED_PENALTY":"745","AMOUNT_DUE":"745","AMOUNT_PAID":"745","CONTESTED_IND":"N","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"2770213","VIOLATION_NO":"7113802","VIOLATION_ISSUE_DT":"04/11/2012","SIG_SUB":"Y","PART_SECTION":"75.512","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2012","PROPOSED_PENALTY":"540","AMOUNT_DUE":"540","AMOUNT_PAID":"540","CONTESTED_IND":"N","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"2770212","VIOLATION_NO":"7113801","VIOLATION_ISSUE_DT":"04/11/2012","SIG_SUB":"N","PART_SECTION":"75.503","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2012","PROPOSED_PENALTY":"138","AMOUNT_DUE":"138","AMOUNT_PAID":"138","CONTESTED_IND":"N","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"2770094","VIOLATION_NO":"7113951","VIOLATION_ISSUE_DT":"03/14/2012","SIG_SUB":"Y","PART_SECTION":"75.523-1(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/21/2012","PROPOSED_PENALTY":"263","AMOUNT_DUE":"263","AMOUNT_PAID":"263","CONTESTED_IND":"N","sourceDate":"2012-03-14"}]}],"safety":{"href":"/api/v1/mines/4608756/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4608756/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 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 75.400","heading":"Accumulation of combustible materials.","id":"75.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"Coal dust, including float coal dust deposited on rock-dusted surfaces, loose coal, and other combustible materials, shall be cleaned up and not be permitted to accumulate in active workings, or on diesel-powered and electric equipment therein.\n\n[61 FR 55527, Oct. 25, 1996]","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.220","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","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":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.503","heading":"Permissible electric face equipment; maintenance.","id":"75.503","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503","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\nThe operator of each coal mine shall maintain in permissible condition all electric face equipment required by §§ 75.500, 75.501, 75.504 to be permissible which is taken into or used inby the last open crosscut of any such mine.","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.202","heading":"Protection from falls of roof, face and ribs.","id":"75.202","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202","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) The roof, face and ribs of areas where persons work or travel shall be supported or otherwise controlled to protect persons from hazards related to falls of the roof, face or ribs and coal or rock bursts.\n\n(b) No person shall work or travel under unsupported roof unless in accordance with this subpart.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1722","heading":"Mechanical equipment guards.","id":"75.1722","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1722","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"R","subpartHeading":"Subpart R—Miscellaneous","text":"(a) Gears; sprockets; chains; drive, head, tail, and takeup pulleys; flywheels; couplings, shafts; sawblades; fan inlets; and similar exposed moving machine parts which may be contacted by persons, and which may cause injury to persons shall be guarded.\n\n(b) Guards at conveyor-drive, conveyor-head, and conveyor-tail pulleys shall extend a distance sufficient to prevent a person from reaching behind the guard and becoming caught between the belt and the pulley.\n\n(c) Except when testing the machinery, guards shall be securely in place while machinery is being operated.\n\n[38 FR 4976, Feb. 23, 1973]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.512","heading":"Electric equipment; examination, testing and maintenance.","id":"75.512","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"[Statutory Provision]\n\nAll electric equipment shall be frequently examined, tested, and properly maintained by a qualified person to assure safe operating conditions. When a potentially dangerous condition is found on electric equipment, such equipment shall be removed from service until such condition is corrected. A record of such examinations shall be kept and made available to an authorized representative of the Secretary and to the miners in such mine.\n\n[35 FR 17890, Nov. 20, 1970, as amended at 60 FR 33723, June 29, 1995]","occurrenceCount":1},{"chapter":"I","heading":"Deenergization of self-propelled electric face equipment installation requirements.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.523-1","part":"75","subchapter":"O","subpart":"F","id":"75.523-1","citation":"30 CFR 75.523-1","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4608756","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}