{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3609468","name":"Long Run","status":"Abandoned","status_date":"2021-06-02","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"PA","county":"Armstrong","nearest_town":"Worthington","operator_id":"P09635","operator_name":"Rosebud Mining Company","controller_id":"C07485","controller_name":"J Clifford  Forrest III","district":"C03","office":"Indiana PA Field Office","employees":0,"latitude":40.863889,"longitude":-79.617222},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":1216},"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":"3609468","name":"Long Run"},"operator":{"type":"operator","id":"P09635","name":"Rosebud Mining Company"},"controller":{"type":"controller","id":"C07485","name":"J Clifford  Forrest III"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07485","name":"J Clifford  Forrest III"},"object":{"type":"mine","id":"3609468","name":"Long Run"},"validFrom":"1979-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609468|C07485|1979-08-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09635","name":"Rosebud Mining Company"},"object":{"type":"mine","id":"3609468","name":"Long Run"},"validFrom":"2010-12-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609468|P09635|2010-12-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07485","name":"J Clifford  Forrest III"},"object":{"type":"operator","id":"P09635","name":"Rosebud Mining Company"},"validFrom":"2010-12-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"3609468","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609468|P09635|2010-12-29|C07485|1979-08-01|74814"}}],"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":20,"firstDate":"2011-12-06","lastDate":"2017-04-14","metrics":{"daysLost":220,"injuries":17,"fatalities":0,"recentRows":0,"restrictedDays":90,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"127348","DOCUMENT_NO":"220171110001","ACCIDENT_DT":"04/14/2017","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"10","NARRATIVE":"While working on a pump in a sump, employees foot got stuck in the mud. EE tried to twist out but fell over breaking ee leg.","sourceDate":"2017-04-14"},{"SOURCE_ROW_NUMBER":"269495","DOCUMENT_NO":"220150890005","ACCIDENT_DT":"03/23/2015","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While pulling a rock out of bridge conveyor chain. a sharp edge of the rock cut his hand.","sourceDate":"2015-03-23"},{"SOURCE_ROW_NUMBER":"196205","DOCUMENT_NO":"220143070013","ACCIDENT_DT":"10/27/2014","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"Roof fall from clay vein above bolts","sourceDate":"2014-10-27"},{"SOURCE_ROW_NUMBER":"28684","DOCUMENT_NO":"220150750001","ACCIDENT_DT":"10/20/2014","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Rubbed or abraded","OCCUPATION":"Beltman, Conveyor man,  Conveyor belt worker, Mobile bridge carrierman, Feeder operator, Conveyor rider","NO_INJURIES":"1","DAYS_LOST":"17","NARRATIVE":"Excessive crawling","sourceDate":"2014-10-20"},{"SOURCE_ROW_NUMBER":"157671","DOCUMENT_NO":"220142510012","ACCIDENT_DT":"08/22/2014","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Beltman, Conveyor man,  Conveyor belt worker, Mobile bridge carrierman, Feeder operator, Conveyor rider","NO_INJURIES":"1","DAYS_LOST":"25","NARRATIVE":"Employee crossed over small supply car tongue and tripped, twisting his knee.","sourceDate":"2014-08-22"},{"SOURCE_ROW_NUMBER":"50124","DOCUMENT_NO":"220132730014","ACCIDENT_DT":"09/24/2013","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Discontinued 1/31/2014.  Several other codes cover Scoop Car Operator","NO_INJURIES":"1","DAYS_LOST":"59","NARRATIVE":"While setting 5X5 posts, one fell down striking him down the back.","sourceDate":"2013-09-24"},{"SOURCE_ROW_NUMBER":"136049","DOCUMENT_NO":"220132690007","ACCIDENT_DT":"09/18/2013","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"21","NARRATIVE":"Employee was building a brattice wall with 4\" tongue & groove cement blocks. He slammed his thumb between two cement blocks cutting his thumb.","sourceDate":"2013-09-18"},{"SOURCE_ROW_NUMBER":"110141","DOCUMENT_NO":"220132690008","ACCIDENT_DT":"09/18/2013","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While putting bottom rollers into hanging brackets, the bottom roller slipped out and caused the bracket to fly up and strike him in the cheek. 3 stitches.","sourceDate":"2013-09-18"},{"SOURCE_ROW_NUMBER":"261026","DOCUMENT_NO":"220132460007","ACCIDENT_DT":"08/27/2013","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"21","NARRATIVE":"While unloading rock dust off of a supply car, the car ran over his foot.","sourceDate":"2013-08-27"},{"SOURCE_ROW_NUMBER":"75956","DOCUMENT_NO":"220130360005","ACCIDENT_DT":"01/12/2013","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Beltman, Conveyor man,  Conveyor belt worker, Mobile bridge carrierman, Feeder operator, Conveyor rider","NO_INJURIES":"1","DAYS_LOST":"4","NARRATIVE":"While getting on and off MBC seat EE twisted his knee.","sourceDate":"2013-01-12"},{"SOURCE_ROW_NUMBER":"101581","DOCUMENT_NO":"220130140005","ACCIDENT_DT":"01/02/2013","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"STEPPING OR KNEELING ON OBJECT","ACCIDENT_TYPE":"Rubbed or abraded","OCCUPATION":"Beltman, Conveyor man,  Conveyor belt worker, Mobile bridge carrierman, Feeder operator, Conveyor rider","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Knee swelled up from excessive crawling. Knee was drained on 1/7/13","sourceDate":"2013-01-02"},{"SOURCE_ROW_NUMBER":"24397","DOCUMENT_NO":"220130030001","ACCIDENT_DT":"12/21/2012","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from machine","OCCUPATION":"Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"Employee was climbing down ladder of hi-lift. His hand slipped off and he fell to the ground.","sourceDate":"2012-12-21"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2021-06-02","lastDate":"2021-06-02","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":156,"firstDate":"2011-03-24","lastDate":"2020-10-21","metrics":{"ss":51,"delinquent":154,"recentRows":0,"paidPenalty":38698,"proposedPenalty":42361,"currentAssessment":38698},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1658836","VIOLATION_NO":"9072531","ISSUE_DT":"10/21/2020","CFR_STANDARD_CD":"77.1102","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"1658413","VIOLATION_NO":"9072012","ISSUE_DT":"04/17/2018","CFR_STANDARD_CD":"75.1711","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-04-17"},{"SOURCE_ROW_NUMBER":"1658482","VIOLATION_NO":"9072093","ISSUE_DT":"12/18/2017","CFR_STANDARD_CD":"75.1711-3","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"177.00","CURRENT_ASSESSMENT_AMT":"177.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-12-18"},{"SOURCE_ROW_NUMBER":"1658340","VIOLATION_NO":"7031349","ISSUE_DT":"08/09/2017","CFR_STANDARD_CD":"75.515","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-08-09"},{"SOURCE_ROW_NUMBER":"1658316","VIOLATION_NO":"7031431","ISSUE_DT":"04/19/2017","CFR_STANDARD_CD":"75.512","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-04-19"},{"SOURCE_ROW_NUMBER":"1658272","VIOLATION_NO":"7031069","ISSUE_DT":"12/15/2016","CFR_STANDARD_CD":"41.12","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-12-15"},{"SOURCE_ROW_NUMBER":"1658302","VIOLATION_NO":"7031406","ISSUE_DT":"07/12/2016","CFR_STANDARD_CD":"75.512","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-07-12"},{"SOURCE_ROW_NUMBER":"1658104","VIOLATION_NO":"7031268","ISSUE_DT":"03/22/2016","CFR_STANDARD_CD":"75.333(c)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"157.00","CURRENT_ASSESSMENT_AMT":"157.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-03-22"},{"SOURCE_ROW_NUMBER":"1658100","VIOLATION_NO":"7031101","ISSUE_DT":"03/21/2016","CFR_STANDARD_CD":"75.1714-4(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"460.00","CURRENT_ASSESSMENT_AMT":"460.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-03-21"},{"SOURCE_ROW_NUMBER":"1658103","VIOLATION_NO":"7031267","ISSUE_DT":"03/10/2016","CFR_STANDARD_CD":"75.320(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":"2016-03-10"},{"SOURCE_ROW_NUMBER":"1658102","VIOLATION_NO":"7031264","ISSUE_DT":"03/01/2016","CFR_STANDARD_CD":"75.1731(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-03-01"},{"SOURCE_ROW_NUMBER":"1658101","VIOLATION_NO":"7031263","ISSUE_DT":"03/01/2016","CFR_STANDARD_CD":"75.1505(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"150.00","CURRENT_ASSESSMENT_AMT":"150.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-03-01"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":34,"firstDate":"2012-09-27","lastDate":"2017-01-05","metrics":{"appeals":0,"decisions":34,"recentRows":0,"decisionPenalty":19259,"originalPenalty":22922},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"385937","VIOLATION_NO":"7031268","DOCKET_NO":"PENN 2016-0298","DECISION_DT":"01/05/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"157.00","DECISION_PENALTY_AMT":"157.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2017-01-05"},{"SOURCE_ROW_NUMBER":"379237","VIOLATION_NO":"7029684","DOCKET_NO":"PENN 2016-0076","DECISION_DT":"10/07/2016","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2901.00","DECISION_PENALTY_AMT":"2030.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Lewis","sourceDate":"2016-10-07"},{"SOURCE_ROW_NUMBER":"383892","VIOLATION_NO":"7031101","DOCKET_NO":"PENN 2016-0234","DECISION_DT":"10/04/2016","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"460.00","DECISION_PENALTY_AMT":"460.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Lewis","sourceDate":"2016-10-04"},{"SOURCE_ROW_NUMBER":"383449","VIOLATION_NO":"7031039","DOCKET_NO":"PENN 2016-0234","DECISION_DT":"10/04/2016","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"285.00","DECISION_PENALTY_AMT":"200.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Lewis","sourceDate":"2016-10-04"},{"SOURCE_ROW_NUMBER":"377595","VIOLATION_NO":"7031151","DOCKET_NO":"PENN 2016-0025","DECISION_DT":"03/07/2016","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"255.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2016-03-07"},{"SOURCE_ROW_NUMBER":"116528","VIOLATION_NO":"7031006","DOCKET_NO":"PENN 2015-0284","DECISION_DT":"02/02/2016","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2106.00","DECISION_PENALTY_AMT":"1474.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2016-02-02"},{"SOURCE_ROW_NUMBER":"371896","VIOLATION_NO":"7026632","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"425.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-12-08"},{"SOURCE_ROW_NUMBER":"371841","VIOLATION_NO":"7026633","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"425.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-12-08"},{"SOURCE_ROW_NUMBER":"371840","VIOLATION_NO":"7026631","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"425.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-12-08"},{"SOURCE_ROW_NUMBER":"371839","VIOLATION_NO":"7026630","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"425.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-12-08"},{"SOURCE_ROW_NUMBER":"114734","VIOLATION_NO":"7026726","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"425.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-12-08"},{"SOURCE_ROW_NUMBER":"114733","VIOLATION_NO":"7026629","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1412.00","DECISION_PENALTY_AMT":"1412.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-12-08"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":376,"firstDate":"2011-03-25","lastDate":"2021-01-19","metrics":{"recentRows":1,"cpdmSamples":0,"voidSamples":23,"validSamples":353,"maxConcentration":23.313,"concentrationTotal":192.621},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1567711","CASS_NUM":"51539153","SMP_TAKEN_DT":"1/19/2021","CONC":".082","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2021-01-19"},{"SOURCE_ROW_NUMBER":"1153805","CASS_NUM":"51538783","SMP_TAKEN_DT":"12/9/2020","CONC":".017","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2020-12-09"},{"SOURCE_ROW_NUMBER":"1533658","CASS_NUM":"58403312","SMP_TAKEN_DT":"10/21/2020","CONC":".004","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":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"1462535","CASS_NUM":"58403328","SMP_TAKEN_DT":"10/21/2020","CONC":"0","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":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"1305737","CASS_NUM":"58403290","SMP_TAKEN_DT":"10/21/2020","CONC":".014","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"824523","CASS_NUM":"58403666","SMP_TAKEN_DT":"10/21/2020","CONC":".02","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"823864","CASS_NUM":"58403316","SMP_TAKEN_DT":"10/21/2020","CONC":"0","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":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"723155","CASS_NUM":"58279085","SMP_TAKEN_DT":"8/22/2016","CONC":".053","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":"FORKLIFT OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-08-22"},{"SOURCE_ROW_NUMBER":"1110616","CASS_NUM":"51402124","SMP_TAKEN_DT":"7/8/2016","CONC":".034","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-07-08"},{"SOURCE_ROW_NUMBER":"596233","CASS_NUM":"51402112","SMP_TAKEN_DT":"4/1/2016","CONC":".02","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-04-01"},{"SOURCE_ROW_NUMBER":"593591","CASS_NUM":"58248173","SMP_TAKEN_DT":"3/15/2016","CONC":".061","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":"CLERK/TIMEKEEPER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-15"},{"SOURCE_ROW_NUMBER":"437322","CASS_NUM":"58248169","SMP_TAKEN_DT":"3/15/2016","CONC":".031","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-15"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":2,"firstDate":"2012-06-27","lastDate":"2018-06-06","metrics":{"linkedIssuances":2},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":34,"firstDate":"2011-11-16","lastDate":"2016-03-22","metrics":{"decisions":34,"ssChanged":6,"recentRows":0,"decisionPenalty":19259,"proposedPenalty":22922},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"148634","CITATION_NO":"7031268","CITATION_ISSUE_DT":"03/22/2016","DOCKET_NO":"PENN 2016-0298","DECISION_DT":"01/05/2017","CFR_STANDARD_CODE":"75.333(c)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"157.00","DECISION_PENALTY_AMT":"157.00","sourceDate":"2016-03-22"},{"SOURCE_ROW_NUMBER":"205756","CITATION_NO":"7031101","CITATION_ISSUE_DT":"03/21/2016","DOCKET_NO":"PENN 2016-0234","DECISION_DT":"10/04/2016","CFR_STANDARD_CODE":"75.1714-4(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"460.00","DECISION_PENALTY_AMT":"460.00","sourceDate":"2016-03-21"},{"SOURCE_ROW_NUMBER":"40875","CITATION_NO":"7031039","CITATION_ISSUE_DT":"10/19/2015","DOCKET_NO":"PENN 2016-0234","DECISION_DT":"10/04/2016","CFR_STANDARD_CODE":"75.370(a)(1)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"285.00","DECISION_PENALTY_AMT":"200.00","sourceDate":"2015-10-19"},{"SOURCE_ROW_NUMBER":"38662","CITATION_NO":"7031151","CITATION_ISSUE_DT":"07/22/2015","DOCKET_NO":"PENN 2016-0025","DECISION_DT":"03/07/2016","CFR_STANDARD_CODE":"75.503","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"255.00","sourceDate":"2015-07-22"},{"SOURCE_ROW_NUMBER":"153119","CITATION_NO":"7031006","CITATION_ISSUE_DT":"05/26/2015","DOCKET_NO":"PENN 2015-0284","DECISION_DT":"02/02/2016","CFR_STANDARD_CODE":"75.1504(c)(1)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2106.00","DECISION_PENALTY_AMT":"1474.00","sourceDate":"2015-05-26"},{"SOURCE_ROW_NUMBER":"209952","CITATION_NO":"7029684","CITATION_ISSUE_DT":"04/21/2015","DOCKET_NO":"PENN 2016-0076","DECISION_DT":"10/07/2016","CFR_STANDARD_CODE":"75.1725(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2901.00","DECISION_PENALTY_AMT":"2030.00","sourceDate":"2015-04-21"},{"SOURCE_ROW_NUMBER":"376994","CITATION_NO":"7026630","CITATION_ISSUE_DT":"02/09/2015","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","CFR_STANDARD_CODE":"75.1710","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"425.00","sourceDate":"2015-02-09"},{"SOURCE_ROW_NUMBER":"94474","CITATION_NO":"7026631","CITATION_ISSUE_DT":"02/09/2015","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","CFR_STANDARD_CODE":"75.1710","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"425.00","sourceDate":"2015-02-09"},{"SOURCE_ROW_NUMBER":"39981","CITATION_NO":"7026633","CITATION_ISSUE_DT":"02/09/2015","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","CFR_STANDARD_CODE":"75.1710","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"425.00","sourceDate":"2015-02-09"},{"SOURCE_ROW_NUMBER":"39681","CITATION_NO":"7026632","CITATION_ISSUE_DT":"02/09/2015","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","CFR_STANDARD_CODE":"75.1710","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"425.00","DECISION_PENALTY_AMT":"425.00","sourceDate":"2015-02-09"},{"SOURCE_ROW_NUMBER":"373224","CITATION_NO":"7026629","CITATION_ISSUE_DT":"02/04/2015","DOCKET_NO":"PENN 2015-0197","DECISION_DT":"12/08/2015","CFR_STANDARD_CODE":"75.523-3(b)(3)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1412.00","DECISION_PENALTY_AMT":"1412.00","sourceDate":"2015-02-04"},{"SOURCE_ROW_NUMBER":"150458","CITATION_NO":"7026541","CITATION_ISSUE_DT":"10/20/2014","DOCKET_NO":"PENN 2015-0244","DECISION_DT":"11/03/2015","CFR_STANDARD_CODE":"75.1725(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"190.00","DECISION_PENALTY_AMT":"190.00","sourceDate":"2014-10-20"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":125,"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":43,"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":"2010-12-29","lastDate":"2010-12-29","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":90,"firstDate":"2011-03-24","lastDate":"2021-06-02","metrics":{"inspectors":146,"recentRows":1,"onSiteHours":3229.5,"inspectionHours":4745.25,"inspectionSamples":659},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"937508","EVENT_NO":"6232254","INSPECTION_BEGIN_DT":"06/02/2021","INSPECTION_END_DT":"06/02/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2021-06-02"},{"SOURCE_ROW_NUMBER":"207697","EVENT_NO":"6232243","INSPECTION_BEGIN_DT":"10/15/2020","INSPECTION_END_DT":"10/22/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"31","SUM_TOTAL_ON_SITE_HOURS":"22.5","sourceDate":"2020-10-15"},{"SOURCE_ROW_NUMBER":"207415","EVENT_NO":"6228174","INSPECTION_BEGIN_DT":"10/13/2020","INSPECTION_END_DT":"10/13/2020","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2020-10-13"},{"SOURCE_ROW_NUMBER":"92925","EVENT_NO":"6232239","INSPECTION_BEGIN_DT":"09/30/2020","INSPECTION_END_DT":"09/30/2020","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"14.75","SUM_TOTAL_ON_SITE_HOURS":"12.5","sourceDate":"2020-09-30"},{"SOURCE_ROW_NUMBER":"847247","EVENT_NO":"6232216","INSPECTION_BEGIN_DT":"08/06/2020","INSPECTION_END_DT":"09/28/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"27.25","SUM_TOTAL_ON_SITE_HOURS":"20","sourceDate":"2020-08-06"},{"SOURCE_ROW_NUMBER":"254895","EVENT_NO":"6232231","INSPECTION_BEGIN_DT":"04/09/2020","INSPECTION_END_DT":"04/09/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"6.75","sourceDate":"2020-04-09"},{"SOURCE_ROW_NUMBER":"501042","EVENT_NO":"6232046","INSPECTION_BEGIN_DT":"03/27/2020","INSPECTION_END_DT":"03/27/2020","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"6.75","sourceDate":"2020-03-27"},{"SOURCE_ROW_NUMBER":"462485","EVENT_NO":"6232203","INSPECTION_BEGIN_DT":"01/30/2020","INSPECTION_END_DT":"01/30/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"7.25","sourceDate":"2020-01-30"},{"SOURCE_ROW_NUMBER":"966866","EVENT_NO":"6232038","INSPECTION_BEGIN_DT":"11/25/2019","INSPECTION_END_DT":"11/25/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2019-11-25"},{"SOURCE_ROW_NUMBER":"910670","EVENT_NO":"6227435","INSPECTION_BEGIN_DT":"10/09/2019","INSPECTION_END_DT":"10/16/2019","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2019-10-09"},{"SOURCE_ROW_NUMBER":"779713","EVENT_NO":"6232076","INSPECTION_BEGIN_DT":"08/29/2019","INSPECTION_END_DT":"08/29/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"7.25","sourceDate":"2019-08-29"},{"SOURCE_ROW_NUMBER":"395292","EVENT_NO":"6232027","INSPECTION_BEGIN_DT":"05/29/2019","INSPECTION_END_DT":"06/06/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"13.5","sourceDate":"2019-05-29"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":93,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2021-Q1":{"hours":0,"employees":0,"production":0},"2020-Q4":{"hours":108,"employees":3,"production":0},"2020-Q3":{"hours":0,"employees":0,"production":0},"2020-Q2":{"hours":0,"employees":0,"production":0},"2020-Q1":{"hours":0,"employees":0,"production":0},"2019-Q4":{"hours":0,"employees":0,"production":0},"2019-Q3":{"hours":0,"employees":0,"production":0},"2019-Q2":{"hours":0,"employees":0,"production":0},"2019-Q1":{"hours":30,"employees":1,"production":0},"2018-Q4":{"hours":130,"employees":1,"production":3740},"2018-Q3":{"hours":0,"employees":0,"production":0},"2018-Q2":{"hours":0,"employees":0,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":17,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011":{"hours":23665,"employees":15,"production":31842},"2012":{"hours":103493,"employees":44,"production":291878},"2013":{"hours":85532,"employees":35,"production":398656},"2014":{"hours":50235,"employees":22,"production":296191},"2015":{"hours":41129,"employees":21,"production":195619},"2016":{"hours":10323,"employees":6,"production":24670},"2017":{"hours":4292,"employees":4,"production":155},"2018":{"hours":130,"employees":1,"production":3740},"2019":{"hours":30,"employees":1,"production":0},"2020":{"hours":108,"employees":3,"production":0}},"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":48,"firstDate":"2011-03-25","lastDate":"2020-10-21","metrics":{"recentRows":0,"doseOver100":6,"actDoseTotal":2880,"pelDoseTotal":2194},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"174037","EVENT_NO":"6232243","SURVEY_DATE":"10/21/2020","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"018","ACT_DOSE_85":"10","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"174036","EVENT_NO":"6232243","SURVEY_DATE":"10/21/2020","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"018","ACT_DOSE_85":"14","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"174035","EVENT_NO":"6232243","SURVEY_DATE":"10/21/2020","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":"2020-10-21"},{"SOURCE_ROW_NUMBER":"174034","EVENT_NO":"6232243","SURVEY_DATE":"10/21/2020","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"54","PEL_DOSE_90":"14","SURVEY_TYPE":"I","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"174033","EVENT_NO":"6232243","SURVEY_DATE":"10/21/2020","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"84","PEL_DOSE_90":"33","SURVEY_TYPE":"I","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"174032","EVENT_NO":"6231460","SURVEY_DATE":"03/15/2016","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"10","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2016-03-15"},{"SOURCE_ROW_NUMBER":"174031","EVENT_NO":"6231460","SURVEY_DATE":"03/15/2016","OCCUPATION_CD_DESC":"CLERK/TIMEKEEPER","MACHINE_CD":"17","MANUFACTURER_CD":"017","ACT_DOSE_85":"8","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2016-03-15"},{"SOURCE_ROW_NUMBER":"174027","EVENT_NO":"6231326","SURVEY_DATE":"03/16/2015","OCCUPATION_CD_DESC":"MOBILE BRIDGE OPERATOR","MACHINE_CD":"08","MANUFACTURER_CD":"067","ACT_DOSE_85":"91","PEL_DOSE_90":"75","SURVEY_TYPE":"I","sourceDate":"2015-03-16"},{"SOURCE_ROW_NUMBER":"174026","EVENT_NO":"6231326","SURVEY_DATE":"03/16/2015","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"134","PEL_DOSE_90":"119","SURVEY_TYPE":"I","sourceDate":"2015-03-16"},{"SOURCE_ROW_NUMBER":"174025","EVENT_NO":"6231326","SURVEY_DATE":"03/16/2015","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"20","MANUFACTURER_CD":"029","ACT_DOSE_85":"139","PEL_DOSE_90":"115","SURVEY_TYPE":"I","sourceDate":"2015-03-16"},{"SOURCE_ROW_NUMBER":"174024","EVENT_NO":"6231326","SURVEY_DATE":"03/16/2015","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"80","PEL_DOSE_90":"67","SURVEY_TYPE":"I","sourceDate":"2015-03-16"},{"SOURCE_ROW_NUMBER":"174023","EVENT_NO":"6231326","SURVEY_DATE":"03/16/2015","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"94","PEL_DOSE_90":"70","SURVEY_TYPE":"I","sourceDate":"2015-03-16"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":17,"firstDate":"2011-06-07","lastDate":"2016-03-02","metrics":{"recentRows":0,"voidSamples":0,"maxQuartzPct":26.6,"validSamples":17,"quartzPctTotal":63.5},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"58326","CASSETTE_NO":"58248024","SAMPLE_DT":"03/02/2016","QUARTZ_PCT":"00.9","QUARTZ_MICROGRAMS":"2","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2016-03-02"},{"SOURCE_ROW_NUMBER":"8499","CASSETTE_NO":"58248005","SAMPLE_DT":"03/02/2016","QUARTZ_PCT":"02.2","QUARTZ_MICROGRAMS":"18","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2016-03-02"},{"SOURCE_ROW_NUMBER":"98475","CASSETTE_NO":"58247914","SAMPLE_DT":"10/13/2015","QUARTZ_PCT":"01.5","QUARTZ_MICROGRAMS":"4","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-10-13"},{"SOURCE_ROW_NUMBER":"34091","CASSETTE_NO":"58248006","SAMPLE_DT":"10/13/2015","QUARTZ_PCT":"02.0","QUARTZ_MICROGRAMS":"11","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-10-13"},{"SOURCE_ROW_NUMBER":"108015","CASSETTE_NO":"58248275","SAMPLE_DT":"09/01/2015","QUARTZ_PCT":"02.7","QUARTZ_MICROGRAMS":"12","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-09-01"},{"SOURCE_ROW_NUMBER":"147053","CASSETTE_NO":"58215873","SAMPLE_DT":"04/22/2015","QUARTZ_PCT":"04.5","QUARTZ_MICROGRAMS":"39","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-04-22"},{"SOURCE_ROW_NUMBER":"133598","CASSETTE_NO":"58199795","SAMPLE_DT":"02/17/2015","QUARTZ_PCT":"03.2","QUARTZ_MICROGRAMS":"24","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-02-17"},{"SOURCE_ROW_NUMBER":"161060","CASSETTE_NO":"58126863","SAMPLE_DT":"11/17/2014","QUARTZ_PCT":"01.8","QUARTZ_MICROGRAMS":"4","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2014-11-17"},{"SOURCE_ROW_NUMBER":"85793","CASSETTE_NO":"58126855","SAMPLE_DT":"11/17/2014","QUARTZ_PCT":"01.6","QUARTZ_MICROGRAMS":"4","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2014-11-17"},{"SOURCE_ROW_NUMBER":"44451","CASSETTE_NO":"58126728","SAMPLE_DT":"11/17/2014","QUARTZ_PCT":"02.4","QUARTZ_MICROGRAMS":"11","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2014-11-17"},{"SOURCE_ROW_NUMBER":"88369","CASSETTE_NO":"58126946","SAMPLE_DT":"08/27/2014","QUARTZ_PCT":"01.8","QUARTZ_MICROGRAMS":"5","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2014-08-27"},{"SOURCE_ROW_NUMBER":"60320","CASSETTE_NO":"58126961","SAMPLE_DT":"08/27/2014","QUARTZ_PCT":"03.9","QUARTZ_MICROGRAMS":"36","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2014-08-27"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":158,"firstDate":"2011-03-24","lastDate":"2020-10-21","metrics":{"ss":51,"amountDue":38698,"contested":0,"amountPaid":38698,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":42361},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1988579","VIOLATION_NO":"9072531","VIOLATION_ISSUE_DT":"10/21/2020","SIG_SUB":"N","PART_SECTION":"77.1102","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/21/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-10-21"},{"SOURCE_ROW_NUMBER":"1988520","VIOLATION_NO":"9072012","VIOLATION_ISSUE_DT":"04/17/2018","SIG_SUB":"N","PART_SECTION":"75.1711","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/07/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-04-17"},{"SOURCE_ROW_NUMBER":"1988570","VIOLATION_NO":"9072093","VIOLATION_ISSUE_DT":"12/18/2017","SIG_SUB":"N","PART_SECTION":"75.1711-3","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/27/2017","PROPOSED_PENALTY":"177","AMOUNT_DUE":"177","AMOUNT_PAID":"177","CONTESTED_IND":"N","sourceDate":"2017-12-18"},{"SOURCE_ROW_NUMBER":"1988542","VIOLATION_NO":"7031349","VIOLATION_ISSUE_DT":"08/09/2017","SIG_SUB":"N","PART_SECTION":"75.515","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/09/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"116","CONTESTED_IND":"N","sourceDate":"2017-08-09"},{"SOURCE_ROW_NUMBER":"1988519","VIOLATION_NO":"7031431","VIOLATION_ISSUE_DT":"04/19/2017","SIG_SUB":"N","PART_SECTION":"75.512","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/19/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"116","CONTESTED_IND":"N","sourceDate":"2017-04-19"},{"SOURCE_ROW_NUMBER":"1988569","VIOLATION_NO":"7031069","VIOLATION_ISSUE_DT":"12/15/2016","SIG_SUB":"N","PART_SECTION":"41.12","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"12/15/2016","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"116","CONTESTED_IND":"N","sourceDate":"2016-12-15"},{"SOURCE_ROW_NUMBER":"1988555","VIOLATION_NO":"7031406","VIOLATION_ISSUE_DT":"07/12/2016","SIG_SUB":"N","PART_SECTION":"75.512","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/12/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-07-12"},{"SOURCE_ROW_NUMBER":"1988452","VIOLATION_NO":"7031268","VIOLATION_ISSUE_DT":"03/22/2016","SIG_SUB":"Y","PART_SECTION":"75.333(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/22/2016","PROPOSED_PENALTY":"157","AMOUNT_DUE":"157","AMOUNT_PAID":"157","CONTESTED_IND":"N","sourceDate":"2016-03-22"},{"SOURCE_ROW_NUMBER":"1988448","VIOLATION_NO":"7031101","VIOLATION_ISSUE_DT":"03/21/2016","SIG_SUB":"Y","PART_SECTION":"75.1714-4(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/21/2016","PROPOSED_PENALTY":"460","AMOUNT_DUE":"460","AMOUNT_PAID":"460","CONTESTED_IND":"N","sourceDate":"2016-03-21"},{"SOURCE_ROW_NUMBER":"1988451","VIOLATION_NO":"7031267","VIOLATION_ISSUE_DT":"03/10/2016","SIG_SUB":"N","PART_SECTION":"75.320(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/10/2016","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2016-03-10"},{"SOURCE_ROW_NUMBER":"1988450","VIOLATION_NO":"7031264","VIOLATION_ISSUE_DT":"03/01/2016","SIG_SUB":"N","PART_SECTION":"75.1731(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/01/2016","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2016-03-01"},{"SOURCE_ROW_NUMBER":"1988449","VIOLATION_NO":"7031263","VIOLATION_ISSUE_DT":"03/01/2016","SIG_SUB":"N","PART_SECTION":"75.1505(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"7","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/01/2016","PROPOSED_PENALTY":"150","AMOUNT_DUE":"150","AMOUNT_PAID":"150","CONTESTED_IND":"N","sourceDate":"2016-03-01"}]}],"safety":{"href":"/api/v1/mines/3609468/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3609468/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":"Warning signs; smoking and open flame.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1102","part":"77","subchapter":"O","subpart":"L","id":"77.1102","citation":"30 CFR 77.1102","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Sealing of mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711","part":"75","subchapter":"O","subpart":"R","id":"75.1711","citation":"30 CFR 75.1711","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"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 75.515","heading":"Cable fittings; suitability.","id":"75.515","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.515","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\nCables shall enter metal frames of motors, splice boxes, and electric compartments only through proper fittings. When insulated wires other than cables pass through metal frames, the holes shall be substantially bushed with insulated bushings.","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":2},{"chapter":"I","heading":"Changes; notification by operator.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12","part":"41","subchapter":"G","subpart":"B","id":"41.12","citation":"30 CFR 41.12","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER G—FILING AND OTHER ADMINISTRATIVE REQUIREMENTS","partHeading":"PART 41—NOTIFICATION OF LEGAL IDENTITY","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":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1714-4","heading":"Additional self-contained self-rescuers (SCSRs).","id":"75.1714-4","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-4","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) Additional SCSRs in work places. In addition to the requirements in §§ 75.1714, 75.1714-1, 75.1714-2, and 75.1714-3 of this part, the mine operator shall provide the following:\n\n(1) At least one additional SCSR, which provides protection for a period of one hour or longer, for each person at a fixed underground work location.\n\n(2) Additional SCSRs along the normal travel routes for pumpers, examiners, and other persons who do not have a fixed work location to be stored at a distance an average miner could walk in 30 minutes. The SCSR storage locations shall be determined by using one of the methods found under paragraph (c)(2) of this section.\n\n(b) Additional SCSRs on mantrips. If a mantrip or mobile equipment is used to enter or exit the mine, at least one additional SCSR, which provides protection for a period of one hour or longer, shall be available for each person who uses such transportation from portal to portal.\n\n(c) Additional SCSRs in escapeways. When each person underground cannot safely evacuate the mine within 30 minutes, the mine operator shall provide additional SCSRs stored in each required escapeway.\n\n(1) Each storage location shall contain at least one SCSR, which provides protection for a period of one hour or longer, for every person who will be inby that location.\n\n(2) Storage locations shall be spaced along each escapeway at 30-minute travel distances no greater than the distances determined by—\n\n(i) Calculating the distance an average miner walks in 30 minutes by using the time necessary for each miner in a sample of typical miners to walk a typical length of each escapeway; or\n\n(ii) Using the SCSR storage location spacing specified in the following table, except for escapeways with grades over 5 percent.\n\nAverage entry height Maximum distancebetween SCSR storage locations (in ft.) <40 in. (Crawl) 2,200 >40-<50 in. (Duck Walk) 3,300 >50-<65 in. (Walk Head Bent) 4,400 >65 in. (Walk Erect) 5,700\n\n(d) Additional SCSRs in hardened rooms. As an alternative to providing SCSR storage locations in each escapeway, the mine operator may store SCSRs in a hardened room located between adjacent escapeways.\n\n(1) The hardened room shall be designed and constructed to the same explosion force criteria as seals.\n\n(2) The hardened room shall include a means to provide independent, positive pressure ventilation from the surface during an emergency.\n\n(3) The District Manager shall approve the design and construction of hardened rooms in the ventilation plan.\n\n(4) These SCSR storage locations shall be spaced in accordance with paragraph (c) of this section.\n\n(e) Storage location accessibility. All SCSRs required under this section shall be stored according to the manufacturers' instructions, in conspicuous locations readily accessible by each person in the mine.\n\n(f) Storage location signs. A sign made of reflective material with the words “SCSRs” or “SELF-RESCUERS” shall be conspicuously posted at each storage location. Direction signs made of a reflective material shall be posted leading to each storage location.\n\n[71 FR 71454, Dec. 8, 2006]","occurrenceCount":1},{"chapter":"I","heading":"Air quality detectors and measurement devices.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.320","part":"75","subchapter":"O","subpart":"D","id":"75.320","citation":"30 CFR 75.320","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 75.1731","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 75.1505","heading":"Escapeway maps.","id":"75.1505","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1505","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"P","subpartHeading":"Subpart P—Mine Emergencies","text":"(a) Content and accessibility. An escapeway map shall show the designated escapeways from the working sections or the miners' work stations to the surface or the exits at the bottom of the shaft or slope, refuge alternatives, and SCSR storage locations. The escapeway map shall be posted or readily accessible for all miners—\n\n(1) In each working section;\n\n(2) In each area where mechanized mining equipment is being installed or removed;\n\n(3) At the refuge alternative; and\n\n(4) At a surface location of the mine where miners congregate, such as at the mine bulletin board, bathhouse, or waiting room.\n\n(b) Keeping maps current. All maps shall be kept up-to-date and any change in route of travel, location of doors, location of refuge alternatives, or direction of airflow shall be shown on the maps by the end of the shift on which the change is made.\n\n(c) Informing affected miners. Miners underground on a shift when any such change is made shall be notified immediately of the change and other affected miners shall be informed of the change before entering the underground areas of the mine.\n\n[71 FR 71452, Dec. 8, 2006, as amended at 73 FR 80698, Dec. 31, 2008]","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3609468","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}