{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"0103278","name":"BRC Alabama No. 3 LLC","status":"Abandoned","status_date":"2015-06-15","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"AL","county":"Jefferson","nearest_town":"Adger","operator_id":"0126757","operator_name":"BRC Alabama No. 3 LLC","controller_id":"0107723","controller_name":"Steve  Rickmeier","district":"M3","office":"Birmingham AL Field Office (A)","employees":0,"latitude":33.386944,"longitude":-87.124167},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":316},"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":"2026-10-17T05:35:58.500035+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":"0103278","name":"BRC Alabama No. 3 LLC"},"operator":{"type":"operator","id":"0126757","name":"BRC Alabama No. 3 LLC"},"controller":{"type":"controller","id":"0107723","name":"Steve  Rickmeier"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051679","name":"Eagle North America Inc"},"object":{"type":"mine","id":"0103278","name":"BRC Alabama No. 3 LLC"},"validFrom":"2003-11-14","validTo":"2006-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0051679|2003-11-14|2006-04-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042289","name":"Darrell J  Turner  et al"},"object":{"type":"mine","id":"0103278","name":"BRC Alabama No. 3 LLC"},"validFrom":"2003-11-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0042289|2003-11-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042289","name":"Darrell J  Turner  et al"},"object":{"type":"operator","id":"0051679","name":"Eagle North America Inc"},"validFrom":"2003-11-14","validTo":"2006-04-30","current":false,"derived":true,"evidenceMineId":"0103278","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0051679|2003-11-14|0042289|2003-11-14|3836"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042289","name":"Marvin E  Brown  et al"},"object":{"type":"operator","id":"0051679","name":"Eagle North America Inc"},"validFrom":"2003-11-14","validTo":"2006-04-30","current":false,"derived":true,"evidenceMineId":"0103278","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0051679|2003-11-14|0042289|2003-11-14|3837"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0048309","name":"Headwaters Inc"},"object":{"type":"mine","id":"0103278","name":"BRC Alabama No. 3 LLC"},"validFrom":"2005-02-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0048309|2005-02-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0058037","name":"Covol Engineered Fuels LC"},"object":{"type":"mine","id":"0103278","name":"BRC Alabama No. 3 LLC"},"validFrom":"2006-05-01","validTo":"2011-12-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0058037|2006-05-01|2011-12-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0048309","name":"Headwaters Inc"},"object":{"type":"operator","id":"0058037","name":"Covol Engineered Fuels LC"},"validFrom":"2006-05-01","validTo":"2011-12-19","current":false,"derived":true,"evidenceMineId":"0103278","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0058037|2006-05-01|0048309|2005-02-10|6020"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0120529","name":"Covol Fuels Alabama No.3, LLC"},"object":{"type":"mine","id":"0103278","name":"BRC Alabama No. 3 LLC"},"validFrom":"2011-12-20","validTo":"2013-01-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0120529|2011-12-20|2013-01-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0048309","name":"Headwaters Inc"},"object":{"type":"mine","id":"0103278","name":"BRC Alabama No. 3 LLC"},"validFrom":"2011-12-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0048309|2011-12-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0048309","name":"Headwaters Inc"},"object":{"type":"operator","id":"0120529","name":"Covol Fuels Alabama No.3, LLC"},"validFrom":"2011-12-20","validTo":"2013-01-15","current":false,"derived":true,"evidenceMineId":"0103278","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0120529|2011-12-20|0048309|2011-12-20|6035"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0126757","name":"BRC Alabama No. 3 LLC"},"object":{"type":"mine","id":"0103278","name":"BRC Alabama No. 3 LLC"},"validFrom":"2013-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0126757|2013-01-16|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0107723","name":"Steve  Rickmeier et al"},"object":{"type":"mine","id":"0103278","name":"BRC Alabama No. 3 LLC"},"validFrom":"2013-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0107723|2013-01-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0107723","name":"Steve  Rickmeier et al"},"object":{"type":"operator","id":"0126757","name":"BRC Alabama No. 3 LLC"},"validFrom":"2013-01-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"0103278","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0103278|0126757|2013-01-16|0107723|2013-01-16|19308"}}],"coverage":{"historyRecords":5,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":6,"firstDate":"2004-01-26","lastDate":"2008-07-02","metrics":{"daysLost":3,"injuries":4,"fatalities":0,"recentRows":0,"restrictedDays":280,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"116089","DOCUMENT_NO":"220082170031","ACCIDENT_DT":"07/02/2008","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"IMPOUNDMENT","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"Slurry is entering the streambed at 3 locations approximately 1/4 mile downstream of the dam. The flow rate is estimated to be 600 to 800 gallons a minute. The flow is contained and being pumped back into slurry impoundment #5. MSHA has done a full investigation of the accident and has released the impoundment for work to resume as normal.","sourceDate":"2008-07-02"},{"SOURCE_ROW_NUMBER":"133315","DOCUMENT_NO":"220080430031","ACCIDENT_DT":"02/03/2008","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Barge/Boat/Dredge/Towbarge/Towboat/Leach operator, Riverman, Deck hand","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Dredging was in place at the #4 pond 150 to 200 feet from the upstream side of the dam when the material along with part of the dam structure collasped into the pond capsizing the dredge causing facial and head injuries to the operator. The operator was removed from the pond by rescue from employees. He and another employee also were hypothermic.","sourceDate":"2008-02-03"},{"SOURCE_ROW_NUMBER":"38908","DOCUMENT_NO":"220080430032","ACCIDENT_DT":"02/03/2008","DEGREE_INJURY":"ALL OTHER CASES (INCL 1ST AID)","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Contact with cold","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Dredge capsized from a collapse of material causing the ejection of the operator and an employee took off his clothes, put on a life preserver and went into the water to help rescue and expedite the removal of the injured operator from the water that left this man hypothermic.","sourceDate":"2008-02-03"},{"SOURCE_ROW_NUMBER":"124566","DOCUMENT_NO":"220042260058","ACCIDENT_DT":"07/28/2004","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","DAYS_LOST":"3","NARRATIVE":"THE INJURED WAS CHANGING THE MOTOR SHEAVE ON THE VIBRATOR. HE WAS PULLING ON THE SHEAVE TO REMOVE IT. WHEN THE SHEAVE PULLED FREE, THE INJURED LOST HIS BALANCE. THE SHEAVE FELL, MASHING THE INJURED'S FINGERS AGAINST THE MOTOR MOUNT. THE  BACK OF HIS HAND WAS LACERATED NEAR THE BASE OF THE LITTLE & RING FINGERS.","sourceDate":"2004-07-28"},{"SOURCE_ROW_NUMBER":"98902","DOCUMENT_NO":"220040960014","ACCIDENT_DT":"03/26/2004","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FIRE","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"Workers were preparing to move an abandoned fuel tank. The tank had been previously drained and flushed. The workers were preparing lifting using a torch. Stray sparks from the torch ignited pine saw in the area. The fire spread quickly due to windy and dry conditions.","sourceDate":"2004-03-26"},{"SOURCE_ROW_NUMBER":"176550","DOCUMENT_NO":"220040400085","ACCIDENT_DT":"01/26/2004","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall onto or against objects","OCCUPATION":"Welder (shop)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"THE INJURED WAS DESCENDING A LADDER. HIS LEG BECAME TANGLED IN THE LANYARD OF HIS SAFETY HARNES, CAUSING HIM TO MISS THE NEXT RUNG OF THE LADDER. THE INJURED FELL FROM THE LADDER AND STRUCK HIS FACE ON THE CMF CENTRIFUGE BELOW. THE INJURED RECEIVED LACERATIONS TO THE INSIDE OF HIS LOWER LIP. HE WAS TRANSPORTED BY COMPANY VEHICLE TO THE HOSPITAL WHERE HE WAS TREATED & RELEASED.","sourceDate":"2004-01-26"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2015-06-15","lastDate":"2015-06-15","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":36,"firstDate":"2004-09-02","lastDate":"2011-12-16","metrics":{"ss":6,"delinquent":36,"recentRows":0,"paidPenalty":3512,"proposedPenalty":3512,"currentAssessment":3512},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1578745","VIOLATION_NO":"8523104","ISSUE_DT":"12/16/2011","CFR_STANDARD_CD":"77.1605(k)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-12-16"},{"SOURCE_ROW_NUMBER":"1577728","VIOLATION_NO":"8521024","ISSUE_DT":"07/21/2011","CFR_STANDARD_CD":"77.502","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"243.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-07-21"},{"SOURCE_ROW_NUMBER":"1573431","VIOLATION_NO":"6698997","ISSUE_DT":"12/06/2010","CFR_STANDARD_CD":"77.400(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"334.00","CURRENT_ASSESSMENT_AMT":"334.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-12-06"},{"SOURCE_ROW_NUMBER":"1575599","VIOLATION_NO":"7694195","ISSUE_DT":"03/03/2010","CFR_STANDARD_CD":"77.400(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":"2010-03-03"},{"SOURCE_ROW_NUMBER":"1575598","VIOLATION_NO":"6699154","ISSUE_DT":"02/22/2010","CFR_STANDARD_CD":"77.1605(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-02-22"},{"SOURCE_ROW_NUMBER":"1575597","VIOLATION_NO":"6699153","ISSUE_DT":"02/22/2010","CFR_STANDARD_CD":"77.1110","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-02-22"},{"SOURCE_ROW_NUMBER":"1305415","VIOLATION_NO":"7699918","ISSUE_DT":"08/03/2009","CFR_STANDARD_CD":"77.400(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-08-03"},{"SOURCE_ROW_NUMBER":"1302638","VIOLATION_NO":"7693057","ISSUE_DT":"02/04/2008","CFR_STANDARD_CD":"77.1004(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"308.00","CURRENT_ASSESSMENT_AMT":"308.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-02-04"},{"SOURCE_ROW_NUMBER":"1302637","VIOLATION_NO":"7693056","ISSUE_DT":"02/04/2008","CFR_STANDARD_CD":"77.1004(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":"2008-02-04"},{"SOURCE_ROW_NUMBER":"1302636","VIOLATION_NO":"7693055","ISSUE_DT":"02/04/2008","CFR_STANDARD_CD":"77.216-2(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":"2008-02-04"},{"SOURCE_ROW_NUMBER":"1295205","VIOLATION_NO":"7692144","ISSUE_DT":"09/27/2007","CFR_STANDARD_CD":"77.1104","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-09-27"},{"SOURCE_ROW_NUMBER":"1295204","VIOLATION_NO":"7692143","ISSUE_DT":"09/26/2007","CFR_STANDARD_CD":"77.506","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-09-26"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":96,"firstDate":"2004-09-08","lastDate":"2011-12-19","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":3,"validSamples":93,"maxConcentration":2.869,"concentrationTotal":21.089},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1547048","CASS_NUM":"57952672","SMP_TAKEN_DT":"12/19/2011","CONC":".092","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":"AUGER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"1238018","CASS_NUM":"57952837","SMP_TAKEN_DT":"12/19/2011","CONC":".182","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"952473","CASS_NUM":"57952666","SMP_TAKEN_DT":"12/19/2011","CONC":".163","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":"FINE COAL PLANT OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"654088","CASS_NUM":"57952679","SMP_TAKEN_DT":"12/19/2011","CONC":".025","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":"SUPERINTENDENT","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"68228","CASS_NUM":"57952673","SMP_TAKEN_DT":"12/19/2011","CONC":".081","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":"LABORER/BLACKSMITH","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"1544961","CASS_NUM":"57855666","SMP_TAKEN_DT":"6/30/2011","CONC":".04","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":"CLEANING PLANT OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-06-30"},{"SOURCE_ROW_NUMBER":"809124","CASS_NUM":"57855671","SMP_TAKEN_DT":"6/30/2011","CONC":".068","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":"2011-06-30"},{"SOURCE_ROW_NUMBER":"747028","CASS_NUM":"57855670","SMP_TAKEN_DT":"6/30/2011","CONC":".045","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":"MECHANIC","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-06-30"},{"SOURCE_ROW_NUMBER":"589954","CASS_NUM":"57855680","SMP_TAKEN_DT":"6/30/2011","CONC":".11","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":"PREPARATION PLANT FOREMAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-06-30"},{"SOURCE_ROW_NUMBER":"1279900","CASS_NUM":"57881661","SMP_TAKEN_DT":"10/18/2010","CONC":".297","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":"2010-10-18"},{"SOURCE_ROW_NUMBER":"814905","CASS_NUM":"57881687","SMP_TAKEN_DT":"10/18/2010","CONC":".066","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":"OUTSIDE FOREMAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2010-10-18"},{"SOURCE_ROW_NUMBER":"746491","CASS_NUM":"57881660","SMP_TAKEN_DT":"10/18/2010","CONC":".475","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":"FINE COAL PLANT OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2010-10-18"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":5,"firstDate":"2003-11-14","lastDate":"2013-01-16","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":4},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":44,"firstDate":"2004-08-24","lastDate":"2013-12-02","metrics":{"inspectors":63,"recentRows":0,"onSiteHours":547,"inspectionHours":877.25,"inspectionSamples":122},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"366027","EVENT_NO":"4496854","INSPECTION_BEGIN_DT":"12/02/2013","INSPECTION_END_DT":"12/02/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2013-12-02"},{"SOURCE_ROW_NUMBER":"621369","EVENT_NO":"4496822","INSPECTION_BEGIN_DT":"03/21/2013","INSPECTION_END_DT":"03/21/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.75","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2013-03-21"},{"SOURCE_ROW_NUMBER":"636036","EVENT_NO":"4494487","INSPECTION_BEGIN_DT":"08/20/2012","INSPECTION_END_DT":"08/20/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2012-08-20"},{"SOURCE_ROW_NUMBER":"598416","EVENT_NO":"4494817","INSPECTION_BEGIN_DT":"12/19/2011","INSPECTION_END_DT":"12/19/2011","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"560987","EVENT_NO":"4495714","INSPECTION_BEGIN_DT":"12/16/2011","INSPECTION_END_DT":"12/16/2011","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2011-12-16"},{"SOURCE_ROW_NUMBER":"217668","EVENT_NO":"4494459","INSPECTION_BEGIN_DT":"11/10/2011","INSPECTION_END_DT":"11/15/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18.25","SUM_TOTAL_ON_SITE_HOURS":"12.75","sourceDate":"2011-11-10"},{"SOURCE_ROW_NUMBER":"209618","EVENT_NO":"4495219","INSPECTION_BEGIN_DT":"06/29/2011","INSPECTION_END_DT":"07/21/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"42.25","SUM_TOTAL_ON_SITE_HOURS":"25.5","sourceDate":"2011-06-29"},{"SOURCE_ROW_NUMBER":"1001643","EVENT_NO":"4492927","INSPECTION_BEGIN_DT":"10/18/2010","INSPECTION_END_DT":"12/06/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"29.25","SUM_TOTAL_ON_SITE_HOURS":"21.5","sourceDate":"2010-10-18"},{"SOURCE_ROW_NUMBER":"473414","EVENT_NO":"4494603","INSPECTION_BEGIN_DT":"08/04/2010","INSPECTION_END_DT":"08/04/2010","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2010-08-04"},{"SOURCE_ROW_NUMBER":"677245","EVENT_NO":"4493025","INSPECTION_BEGIN_DT":"06/23/2010","INSPECTION_END_DT":"06/30/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.5","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2010-06-23"},{"SOURCE_ROW_NUMBER":"1054556","EVENT_NO":"4491829","INSPECTION_BEGIN_DT":"03/31/2010","INSPECTION_END_DT":"03/31/2010","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2010-03-31"},{"SOURCE_ROW_NUMBER":"419745","EVENT_NO":"4494108","INSPECTION_BEGIN_DT":"02/22/2010","INSPECTION_END_DT":"03/11/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"38.25","SUM_TOTAL_ON_SITE_HOURS":"28.25","sourceDate":"2010-02-22"}]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":24,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2004":{"hours":45515,"employees":19,"production":50355},"2005":{"hours":54993,"employees":23,"production":90616},"2006":{"hours":45284,"employees":18,"production":34901},"2007":{"hours":52104,"employees":22,"production":127815},"2008":{"hours":64309,"employees":24,"production":192999},"2009":{"hours":35330,"employees":19,"production":63240},"2010":{"hours":32121,"employees":16,"production":60226},"2011":{"hours":31279,"employees":13,"production":50806}},"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":65,"firstDate":"2004-09-08","lastDate":"2011-12-19","metrics":{"recentRows":0,"doseOver100":4,"actDoseTotal":2746,"pelDoseTotal":1579},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"9572","EVENT_NO":"4494817","SURVEY_DATE":"12/19/2011","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"063","ACT_DOSE_85":"15","PEL_DOSE_90":"4","SURVEY_TYPE":"I","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"9571","EVENT_NO":"4494817","SURVEY_DATE":"12/19/2011","OCCUPATION_CD_DESC":"FINE COAL PLANT OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"8","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"9570","EVENT_NO":"4494817","SURVEY_DATE":"12/19/2011","OCCUPATION_CD_DESC":"AUGER OPERATOR","MACHINE_CD":"13","MANUFACTURER_CD":"119","ACT_DOSE_85":"28","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"9569","EVENT_NO":"4494817","SURVEY_DATE":"12/19/2011","OCCUPATION_CD_DESC":"LABORER/BLACKSMITH","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"2","PEL_DOSE_90":"0","SURVEY_TYPE":"I","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"9568","EVENT_NO":"4494817","SURVEY_DATE":"12/19/2011","OCCUPATION_CD_DESC":"SUPERINTENDENT","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"2","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2011-12-19"},{"SOURCE_ROW_NUMBER":"9567","EVENT_NO":"4492927","SURVEY_DATE":"10/18/2010","OCCUPATION_CD_DESC":"OUTSIDE FOREMAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"3","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2010-10-18"},{"SOURCE_ROW_NUMBER":"9566","EVENT_NO":"4492927","SURVEY_DATE":"10/18/2010","OCCUPATION_CD_DESC":"BARGE ATTENDANT","MACHINE_CD":"13","MANUFACTURER_CD":"119","ACT_DOSE_85":"119","PEL_DOSE_90":"102","SURVEY_TYPE":"I","sourceDate":"2010-10-18"},{"SOURCE_ROW_NUMBER":"9565","EVENT_NO":"4492927","SURVEY_DATE":"10/18/2010","OCCUPATION_CD_DESC":"ROTARY BUCKET EXCAVATOR OPERATOR","MACHINE_CD":"17","MANUFACTURER_CD":"063","ACT_DOSE_85":"2","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2010-10-18"},{"SOURCE_ROW_NUMBER":"9564","EVENT_NO":"4492927","SURVEY_DATE":"10/18/2010","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"063","ACT_DOSE_85":"27","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2010-10-18"},{"SOURCE_ROW_NUMBER":"9563","EVENT_NO":"4492927","SURVEY_DATE":"10/18/2010","OCCUPATION_CD_DESC":"FINE COAL PLANT OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"4","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2010-10-18"},{"SOURCE_ROW_NUMBER":"9562","EVENT_NO":"4492927","SURVEY_DATE":"10/18/2010","OCCUPATION_CD_DESC":"MECHANIC","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"32","PEL_DOSE_90":"23","SURVEY_TYPE":"I","sourceDate":"2010-10-18"},{"SOURCE_ROW_NUMBER":"9561","EVENT_NO":"4492927","SURVEY_DATE":"10/18/2010","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"23","PEL_DOSE_90":"8","SURVEY_TYPE":"I","sourceDate":"2010-10-18"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":38,"firstDate":"2004-09-02","lastDate":"2011-12-16","metrics":{"ss":6,"amountDue":3512,"contested":0,"amountPaid":3512,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":3512},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"87710","VIOLATION_NO":"8523104","VIOLATION_ISSUE_DT":"12/16/2011","SIG_SUB":"N","PART_SECTION":"77.1605(k)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/16/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-12-16"},{"SOURCE_ROW_NUMBER":"87687","VIOLATION_NO":"8521024","VIOLATION_ISSUE_DT":"07/21/2011","SIG_SUB":"Y","PART_SECTION":"77.502","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/21/2011","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"243","CONTESTED_IND":"N","sourceDate":"2011-07-21"},{"SOURCE_ROW_NUMBER":"87706","VIOLATION_NO":"6698997","VIOLATION_ISSUE_DT":"12/06/2010","SIG_SUB":"Y","PART_SECTION":"77.400(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/06/2010","PROPOSED_PENALTY":"334","AMOUNT_DUE":"334","AMOUNT_PAID":"334","CONTESTED_IND":"N","sourceDate":"2010-12-06"},{"SOURCE_ROW_NUMBER":"87683","VIOLATION_NO":"7694195","VIOLATION_ISSUE_DT":"03/03/2010","SIG_SUB":"N","PART_SECTION":"77.400(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/03/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-03-03"},{"SOURCE_ROW_NUMBER":"87682","VIOLATION_NO":"6699154","VIOLATION_ISSUE_DT":"02/22/2010","SIG_SUB":"N","PART_SECTION":"77.1605(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/22/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-02-22"},{"SOURCE_ROW_NUMBER":"87681","VIOLATION_NO":"6699153","VIOLATION_ISSUE_DT":"02/22/2010","SIG_SUB":"N","PART_SECTION":"77.1110","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/22/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-02-22"},{"SOURCE_ROW_NUMBER":"87689","VIOLATION_NO":"7699918","VIOLATION_ISSUE_DT":"08/03/2009","SIG_SUB":"N","PART_SECTION":"77.400(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/03/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-08-03"},{"SOURCE_ROW_NUMBER":"87688","VIOLATION_NO":"7696310","VIOLATION_ISSUE_DT":"07/02/2008","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"07/16/2008","CONTESTED_IND":"N","sourceDate":"2008-07-02"},{"SOURCE_ROW_NUMBER":"87676","VIOLATION_NO":"7693057","VIOLATION_ISSUE_DT":"02/04/2008","SIG_SUB":"Y","PART_SECTION":"77.1004(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/04/2008","PROPOSED_PENALTY":"308","AMOUNT_DUE":"308","AMOUNT_PAID":"308","CONTESTED_IND":"N","sourceDate":"2008-02-04"},{"SOURCE_ROW_NUMBER":"87675","VIOLATION_NO":"7693056","VIOLATION_ISSUE_DT":"02/04/2008","SIG_SUB":"N","PART_SECTION":"77.1004(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/04/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-02-04"},{"SOURCE_ROW_NUMBER":"87674","VIOLATION_NO":"7693055","VIOLATION_ISSUE_DT":"02/04/2008","SIG_SUB":"N","PART_SECTION":"77.216-2(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/04/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-02-04"},{"SOURCE_ROW_NUMBER":"87673","VIOLATION_NO":"7694337","VIOLATION_ISSUE_DT":"02/03/2008","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"11/20/2008","CONTESTED_IND":"N","sourceDate":"2008-02-03"}]}],"safety":{"href":"/api/v1/mines/0103278/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0103278/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1605","heading":"Loading and haulage equipment; installations.","id":"77.1605","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"Q","subpartHeading":"Subpart Q—Loading and Haulage","text":"(a) Cab windows shall be of safety glass or equivalent, in good condition and shall be kept clean.\n\n(b) Mobile equipment shall be equipped with adequate brakes, and all trucks and front-end loaders shall also be equipped with parking brakes.\n\n(c) Positive-action type brakes shall be provided on aerial tramways.\n\n(d) Mobile equipment shall be provided with audible warning devices. Lights shall be provided on both ends when required.\n\n(e) Guard nets or other suitable protection shall be provided where tramways pass over roadways, walkways, or buildings.\n\n(f) Guards shall be installed to prevent swaying buckets from hitting towers.\n\n(g) Aerial tramway cable connections shall be designed to offer minimum obstruction to the passage of wheels.\n\n(h) Rocker-bottom or bottom-dump cars shall be equipped with positive locking devices, or other suitable devices.\n\n(i) Ramps and dumps shall be of solid construction, of ample width, have ample clearance and headroom, and be kept reasonably free of spillage.\n\n(j) Chute-loading installations shall be designed so that the men pulling chutes are not required to be in a hazardous position during loading operations.\n\n(k) Berms or guards shall be provided on the outer bank of elevated roadways.\n\n(l) Berms, bumper blocks, safety hooks, or similar means shall be provided to prevent overtravel and overturning at dumping locations.\n\n(m) Roadbeds, rails, joints, switches, frogs, and other elements on railroads shall be designed, installed, and maintained in a safe manner consistent with the speed and type of haulage.\n\n(n) Where practicable, a minimum of 30 inches continuous clearance from the farthest projection of moving railroad equipment shall be provided on at least one side of the tracks; all places where it is not possible to provide 30-inch clearance shall be marked conspicuously.\n\n(o) Track guardrails, lead rails, and frogs shall be protected or blocked so as to prevent a person's foot from becoming wedged.\n\n(p) Positive-acting stop-blocks, derail devices, track skates, or other adequate means shall be installed wherever necessary to protect persons from runaway or moving railroad equipment.\n\n(q) Switch throws shall be installed so as to provide adequate clearance for switchmen.\n\n(r) Where necessary, bumper blocks or the equivalent shall be provided at all track dead ends.","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.502","heading":"Electric equipment; examination, testing, and maintenance.","id":"77.502","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"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.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.400","heading":"Mechanical equipment guards.","id":"77.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Safeguards for Mechanical Equipment","text":"(a) 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) Overhead belts shall be guarded if the whipping action from a broken line would be hazardous to persons below.\n\n(c) 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(d) Except when testing the machinery, guards shall be securely in place while machinery is being operated.","occurrenceCount":3},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1110","heading":"Examination and maintenance of firefighting equipment.","id":"77.1110","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"Firefighting equipment shall be continuously maintained in a usable and operative condition. Fire extinguishers shall be examined at least once every 6 months and the date of such examination shall be recorded on a permanent tag attached to the extinguisher.\n\n(Pub. L. No. 96-511, 94 Stat. 2812 (44 U.S.C. 3501 et seq.))\n\n[36 FR 9364, May 22, 1971, as amended at 60 FR 33723, June 29, 1995]","occurrenceCount":1},{"chapter":"I","heading":"Ground control; inspection and maintenance; general.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1004","part":"77","subchapter":"O","subpart":"K","id":"77.1004","citation":"30 CFR 77.1004","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":2},{"chapter":"I","heading":"Water, sediment, or slurry impoundments and impounding structures; minimum plan requirements; changes or modifications; certification.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216-2","part":"77","subchapter":"O","subpart":"C","id":"77.216-2","citation":"30 CFR 77.216-2","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"0103278","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}