{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4406915","name":"Mine No 4","status":"Abandoned and Sealed","status_date":"2006-03-29","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"VA","county":"Wise","nearest_town":"Norton","operator_id":"P19062","operator_name":"Falcon Coal Corp","controller_id":"C09013","controller_name":"Jerry  Skeens; Eddie  Skeens","district":"C05","office":"Norton VA Field Office","employees":0,"latitude":37.028333,"longitude":-82.654166},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":1963},"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":"4406915","name":"Mine No 4"},"operator":{"type":"operator","id":"P19062","name":"Falcon Coal Corp"},"controller":{"type":"controller","id":"C09013","name":"Jerry  Skeens; Eddie  Skeens"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08192","name":"Thyssen Schachtbau Gmbh"},"object":{"type":"mine","id":"4406915","name":"Mine No 4"},"validFrom":"1982-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406915|C08192|1982-03-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09013","name":"Jerry  Skeens  et al"},"object":{"type":"mine","id":"4406915","name":"Mine No 4"},"validFrom":"1987-06-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406915|C09013|1987-06-19|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13084","name":"Betty B Coal Company Inc"},"object":{"type":"mine","id":"4406915","name":"Mine No 4"},"validFrom":"1998-06-01","validTo":"1999-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406915|P13084|1998-06-01|1999-04-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08192","name":"Thyssen Schachtbau Gmbh"},"object":{"type":"operator","id":"P13084","name":"Betty B Coal Company Inc"},"validFrom":"1998-06-01","validTo":"1999-04-30","current":false,"derived":true,"evidenceMineId":"4406915","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406915|P13084|1998-06-01|C08192|1982-03-01|76685"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19062","name":"Falcon Coal Corp"},"object":{"type":"mine","id":"4406915","name":"Mine No 4"},"validFrom":"1999-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406915|P19062|1999-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09013","name":"Jerry  Skeens  et al"},"object":{"type":"operator","id":"P19062","name":"Falcon Coal Corp"},"validFrom":"1999-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4406915","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406915|P19062|1999-05-01|C09013|1987-06-19|78703"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09013","name":"Eddie  Skeens  et al"},"object":{"type":"operator","id":"P19062","name":"Falcon Coal Corp"},"validFrom":"1999-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4406915","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406915|P19062|1999-05-01|C09013|1987-06-19|78704"}}],"coverage":{"historyRecords":3,"edgeCount":7,"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":21,"firstDate":"2000-04-06","lastDate":"2005-08-08","metrics":{"daysLost":691,"injuries":16,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"166791","DOCUMENT_NO":"220052300065","ACCIDENT_DT":"08/08/2005","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck by powered moving object","OCCUPATION":"Continuous miner operator, Coal mole operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"The shuttle car was tramming away from miner up an incline of app. 6 degrees. The shuttle car came off point while tramming and drifted backward hitting the rib and miner before stopping. As the shuttle car hit the miner and rib, the employee was also hit.","sourceDate":"2005-08-08"},{"SOURCE_ROW_NUMBER":"196707","DOCUMENT_NO":"220050530121","ACCIDENT_DT":"02/12/2005","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was found lying on his back. We assume that he slipped and fell on the ice while he was cleaning up at the mine site.","sourceDate":"2005-02-12"},{"SOURCE_ROW_NUMBER":"16225","DOCUMENT_NO":"220042580026","ACCIDENT_DT":"09/07/2004","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"A ROOF FALL 20 FEET LONG, 8-10 FEET IN HEIGHT, 20 FEET WIDE WAS FOUND ON 9/7/04 AT 3:30 AM IN NO. 6 ENTRY 1 BREAK INBY SPAD #2935 APPROXIMATELY 3500 FT OUTBY FACE AREA.","sourceDate":"2004-09-07"},{"SOURCE_ROW_NUMBER":"123502","DOCUMENT_NO":"220033210091","ACCIDENT_DT":"11/10/2003","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"NO VALUE FOUND","ACCIDENT_TYPE":"No Value Found","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"160","NARRATIVE":"IN THE PROCESS OF LOADING A BELT MOTOR TO BRING OUTSIDE, WHEN EE'S ARM WAS CAUGHT BETWEEN THE MANTRIP AND BELT MOTOR.","sourceDate":"2003-11-10"},{"SOURCE_ROW_NUMBER":"93498","DOCUMENT_NO":"220031680047","ACCIDENT_DT":"06/04/2003","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Continuous miner operator, Coal mole operator","NO_INJURIES":"1","DAYS_LOST":"121","NARRATIVE":"EE WAS SITTING IN THE LAST OPEN CROSSCUT, WHEN A ROCK FELL OUT BETWEEN THE BOLTS.","sourceDate":"2003-06-04"},{"SOURCE_ROW_NUMBER":"3407","DOCUMENT_NO":"220030940014","ACCIDENT_DT":"03/19/2003","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":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"32","NARRATIVE":"EMPLOYEE WAS RAISING CANOPY ON SHUTTLE CAR WHEN THE CANOPY SLIPPED AND MASHED HIS FINGER.","sourceDate":"2003-03-19"},{"SOURCE_ROW_NUMBER":"244223","DOCUMENT_NO":"220030580033","ACCIDENT_DT":"02/17/2003","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"47","NARRATIVE":"OPERATING ROOFBOLTER, WHEN A ROCK FELL CATCHING HIS LEG BETWEEN TWO ROCKS.","sourceDate":"2003-02-17"},{"SOURCE_ROW_NUMBER":"24941","DOCUMENT_NO":"220022970031","ACCIDENT_DT":"10/21/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"A ROOF FALL 70 FEET LONG, 6 FEET IN HEIGHT AND 20 FEET WIDE WAS FOUND ON 10/21/02 AT 9:30 A.M. 60 FEET OUTBY SPAD NO. 204.","sourceDate":"2002-10-21"},{"SOURCE_ROW_NUMBER":"261546","DOCUMENT_NO":"220022400015","ACCIDENT_DT":"08/22/2002","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"32","NARRATIVE":"EE PULLED THE ROOF BOLTER INTO THE FACE AREA; HE THEN SET THE ATRS. A ROCK FELL IN BETWEEN THE ROOF BOLTER AND CANOPY, HITTING HIM ON THE HEAD/NECK AREA.","sourceDate":"2002-08-22"},{"SOURCE_ROW_NUMBER":"183995","DOCUMENT_NO":"220020560084","ACCIDENT_DT":"02/18/2002","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Caught in, under or between NEC","OCCUPATION":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"15","NARRATIVE":"THE MINER WAS MOVING FROM 13 TO 12 HEADING. THE MINER BACKED OUT PAST THE LAST OPEN XCUT. WHEN PULLING FORWARD AND TURNING LEFT, EE WENT TO THE OFF SIDE OF THE MINER TO HOLD THE CABLE UP, SO T HE MINER WOULD NOT GET ON THE CABLE. WHILE MINER MOVED FORWARD, A PIECE OF ROCK ON TOP OF THE MINER CAUGHT THE RIGHT RIB, PUSHING ROCK ACROSS MINER AND PUSHING EE AGAINST RIB.","sourceDate":"2002-02-18"},{"SOURCE_ROW_NUMBER":"214117","DOCUMENT_NO":"220020030014","ACCIDENT_DT":"12/21/2001","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"A ROOF FALL 60'-70' LONG, 6' HIGH, 18' WIDE WAS FOUND AT CROSSCUT INBY SPAD NO. 952.","sourceDate":"2001-12-21"},{"SOURCE_ROW_NUMBER":"93497","DOCUMENT_NO":"220020280179","ACCIDENT_DT":"11/13/2001","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","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":"23","NARRATIVE":"AS THE BOLTER WAS BEING TRAMMED BACKWARDS IN A NARROW PLACE, EE TRIED TO GET BY THE BOLTER AS ITWAS MOVING AND GOT CAUGHT BETWEEN THE BOLTER ANDRIB.","sourceDate":"2001-11-13"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2006-03-29","lastDate":"2006-03-29","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":322,"firstDate":"2000-02-15","lastDate":"2006-01-11","metrics":{"ss":139,"delinquent":298,"recentRows":0,"paidPenalty":33939,"proposedPenalty":33939,"currentAssessment":33939},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"926266","VIOLATION_NO":"7310331","ISSUE_DT":"01/11/2006","CFR_STANDARD_CD":"48.27","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"221.00","CURRENT_ASSESSMENT_AMT":"221.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-01-11"},{"SOURCE_ROW_NUMBER":"926265","VIOLATION_NO":"7310330","ISSUE_DT":"01/11/2006","CFR_STANDARD_CD":"77.208(d)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"203.00","CURRENT_ASSESSMENT_AMT":"203.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-01-11"},{"SOURCE_ROW_NUMBER":"926207","VIOLATION_NO":"7309770","ISSUE_DT":"10/25/2005","CFR_STANDARD_CD":"77.1605(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"926206","VIOLATION_NO":"7309769","ISSUE_DT":"10/25/2005","CFR_STANDARD_CD":"77.504","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"165.00","CURRENT_ASSESSMENT_AMT":"165.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"926205","VIOLATION_NO":"7309768","ISSUE_DT":"10/25/2005","CFR_STANDARD_CD":"77.1607(p)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"926204","VIOLATION_NO":"7309767","ISSUE_DT":"10/25/2005","CFR_STANDARD_CD":"77.1103","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"926203","VIOLATION_NO":"7309766","ISSUE_DT":"10/25/2005","CFR_STANDARD_CD":"77.205(e)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"926202","VIOLATION_NO":"7309765","ISSUE_DT":"10/25/2005","CFR_STANDARD_CD":"77.1109(c)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"926201","VIOLATION_NO":"7309761","ISSUE_DT":"10/19/2005","CFR_STANDARD_CD":"77.903","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"375.00","CURRENT_ASSESSMENT_AMT":"375.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-19"},{"SOURCE_ROW_NUMBER":"926200","VIOLATION_NO":"7309760","ISSUE_DT":"10/19/2005","CFR_STANDARD_CD":"77.511","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-19"},{"SOURCE_ROW_NUMBER":"926199","VIOLATION_NO":"7309759","ISSUE_DT":"10/19/2005","CFR_STANDARD_CD":"77.513","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-19"},{"SOURCE_ROW_NUMBER":"926198","VIOLATION_NO":"7309758","ISSUE_DT":"10/19/2005","CFR_STANDARD_CD":"77.502","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"165.00","CURRENT_ASSESSMENT_AMT":"165.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-19"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":676,"firstDate":"2000-01-06","lastDate":"2005-09-07","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":52,"validSamples":624,"maxConcentration":86.755,"concentrationTotal":507.493},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"763485","CASS_NUM":"50808665","SMP_TAKEN_DT":"9/7/2005","CONC":"1.915","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-09-07"},{"SOURCE_ROW_NUMBER":"524365","CASS_NUM":"50808682","SMP_TAKEN_DT":"9/6/2005","CONC":".342","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-09-06"},{"SOURCE_ROW_NUMBER":"288379","CASS_NUM":"50808638","SMP_TAKEN_DT":"9/5/2005","CONC":"1.045","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-09-05"},{"SOURCE_ROW_NUMBER":"593155","CASS_NUM":"50808632","SMP_TAKEN_DT":"9/2/2005","CONC":"1.019","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-09-02"},{"SOURCE_ROW_NUMBER":"696256","CASS_NUM":"50808656","SMP_TAKEN_DT":"9/1/2005","CONC":".999","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-09-01"},{"SOURCE_ROW_NUMBER":"147099","CASS_NUM":"50808174","SMP_TAKEN_DT":"8/17/2005","CONC":".03","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-08-17"},{"SOURCE_ROW_NUMBER":"97930","CASS_NUM":"50808158","SMP_TAKEN_DT":"8/17/2005","CONC":"1.473","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-08-17"},{"SOURCE_ROW_NUMBER":"11031","CASS_NUM":"50808690","SMP_TAKEN_DT":"8/17/2005","CONC":".606","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-08-17"},{"SOURCE_ROW_NUMBER":"1421077","CASS_NUM":"57572132","SMP_TAKEN_DT":"8/8/2005","CONC":".886","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-08-08"},{"SOURCE_ROW_NUMBER":"1323651","CASS_NUM":"57572189","SMP_TAKEN_DT":"8/8/2005","CONC":".15","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-08-08"},{"SOURCE_ROW_NUMBER":"1114404","CASS_NUM":"57572159","SMP_TAKEN_DT":"8/8/2005","CONC":".137","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-08-08"},{"SOURCE_ROW_NUMBER":"1093155","CASS_NUM":"57572143","SMP_TAKEN_DT":"8/8/2005","CONC":".085","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SCOOP CAR OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-08-08"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":3,"firstDate":"2002-04-25","lastDate":"2004-12-20","metrics":{"linkedIssuances":3},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":213,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":2,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":37,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":2,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":3,"firstDate":"1998-06-01","lastDate":"1999-05-01","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":137,"firstDate":"2000-01-06","lastDate":"2006-03-27","metrics":{"inspectors":192,"recentRows":0,"onSiteHours":2407.75,"inspectionHours":3863,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"210385","EVENT_NO":"4156870","INSPECTION_BEGIN_DT":"03/27/2006","INSPECTION_END_DT":"03/27/2006","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2006-03-27"},{"SOURCE_ROW_NUMBER":"190033","EVENT_NO":"4156866","INSPECTION_BEGIN_DT":"03/02/2006","INSPECTION_END_DT":"03/02/2006","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2006-03-02"},{"SOURCE_ROW_NUMBER":"271978","EVENT_NO":"4156863","INSPECTION_BEGIN_DT":"01/03/2006","INSPECTION_END_DT":"01/30/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2006-01-03"},{"SOURCE_ROW_NUMBER":"1008911","EVENT_NO":"4156859","INSPECTION_BEGIN_DT":"12/22/2005","INSPECTION_END_DT":"12/28/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"6.25","sourceDate":"2005-12-22"},{"SOURCE_ROW_NUMBER":"934699","EVENT_NO":"4155468","INSPECTION_BEGIN_DT":"12/12/2005","INSPECTION_END_DT":"12/13/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2005-12-12"},{"SOURCE_ROW_NUMBER":"455549","EVENT_NO":"4156856","INSPECTION_BEGIN_DT":"10/07/2005","INSPECTION_END_DT":"11/17/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"44.5","SUM_TOTAL_ON_SITE_HOURS":"29.75","sourceDate":"2005-10-07"},{"SOURCE_ROW_NUMBER":"150547","EVENT_NO":"4155457","INSPECTION_BEGIN_DT":"09/19/2005","INSPECTION_END_DT":"09/19/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2005-09-19"},{"SOURCE_ROW_NUMBER":"382657","EVENT_NO":"4158199","INSPECTION_BEGIN_DT":"08/09/2005","INSPECTION_END_DT":"09/01/2005","ACTIVITY_CODE":"E07","ACTIVITY":"Non-Fatal Accident Investigation","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"32","SUM_TOTAL_ON_SITE_HOURS":"17.5","sourceDate":"2005-08-09"},{"SOURCE_ROW_NUMBER":"164777","EVENT_NO":"4154882","INSPECTION_BEGIN_DT":"07/05/2005","INSPECTION_END_DT":"09/20/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"6","SUM_TOTAL_INSP_HOURS":"238.25","SUM_TOTAL_ON_SITE_HOURS":"145.25","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"558693","EVENT_NO":"4154879","INSPECTION_BEGIN_DT":"06/27/2005","INSPECTION_END_DT":"07/05/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.5","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2005-06-27"},{"SOURCE_ROW_NUMBER":"10731","EVENT_NO":"4126134","INSPECTION_BEGIN_DT":"06/06/2005","INSPECTION_END_DT":"06/22/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"25","SUM_TOTAL_ON_SITE_HOURS":"16.5","sourceDate":"2005-06-06"},{"SOURCE_ROW_NUMBER":"174821","EVENT_NO":"4126126","INSPECTION_BEGIN_DT":"04/28/2005","INSPECTION_END_DT":"05/05/2005","ACTIVITY_CODE":"E22","ACTIVITY":"Health Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"11.5","sourceDate":"2005-04-28"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":50,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2006-Q1":{"hours":1823,"employees":9,"production":0},"2005-Q4":{"hours":6597,"employees":13,"production":73},"2005-Q3":{"hours":16149,"employees":31,"production":30464},"2005-Q2":{"hours":18140,"employees":32,"production":28389},"2005-Q1":{"hours":17396,"employees":31,"production":30047},"2004-Q4":{"hours":17008,"employees":30,"production":32899},"2004-Q3":{"hours":17999,"employees":33,"production":33053},"2004-Q2":{"hours":17220,"employees":31,"production":34835},"2004-Q1":{"hours":17056,"employees":32,"production":33219},"2003-Q4":{"hours":20270,"employees":34,"production":36291},"2003-Q3":{"hours":17163,"employees":33,"production":25976},"2003-Q2":{"hours":18145,"employees":33,"production":45946}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":13,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":108434,"employees":51,"production":278542},"2001":{"hours":82263,"employees":40,"production":204950},"2002":{"hours":70045,"employees":32,"production":196408},"2003":{"hours":72144,"employees":33,"production":150681},"2004":{"hours":69283,"employees":32,"production":134006},"2005":{"hours":58282,"employees":27,"production":88973},"2006":{"hours":1823,"employees":9,"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":39,"firstDate":"2000-02-29","lastDate":"2005-06-28","metrics":{"recentRows":0,"doseOver100":10,"actDoseTotal":3019,"pelDoseTotal":2393},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"203340","EVENT_NO":"4154879","SURVEY_DATE":"06/28/2005","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"38","MANUFACTURER_CD":"098","ACT_DOSE_85":"73","PEL_DOSE_90":"43","SURVEY_TYPE":"I","sourceDate":"2005-06-28"},{"SOURCE_ROW_NUMBER":"203339","EVENT_NO":"4154879","SURVEY_DATE":"06/28/2005","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"48","PEL_DOSE_90":"29","SURVEY_TYPE":"I","sourceDate":"2005-06-28"},{"SOURCE_ROW_NUMBER":"203338","EVENT_NO":"4154879","SURVEY_DATE":"06/28/2005","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"38","PEL_DOSE_90":"20","SURVEY_TYPE":"I","sourceDate":"2005-06-28"},{"SOURCE_ROW_NUMBER":"203337","EVENT_NO":"4154879","SURVEY_DATE":"06/28/2005","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"51","PEL_DOSE_90":"33","SURVEY_TYPE":"I","sourceDate":"2005-06-28"},{"SOURCE_ROW_NUMBER":"203336","EVENT_NO":"4154879","SURVEY_DATE":"06/28/2005","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"30","PEL_DOSE_90":"17","SURVEY_TYPE":"I","sourceDate":"2005-06-28"},{"SOURCE_ROW_NUMBER":"203335","EVENT_NO":"4154879","SURVEY_DATE":"06/28/2005","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"92","PEL_DOSE_90":"80","SURVEY_TYPE":"I","sourceDate":"2005-06-28"},{"SOURCE_ROW_NUMBER":"203334","EVENT_NO":"4154529","SURVEY_DATE":"03/03/2004","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"39","PEL_DOSE_90":"20","SURVEY_TYPE":"I","sourceDate":"2004-03-03"},{"SOURCE_ROW_NUMBER":"203333","EVENT_NO":"4154529","SURVEY_DATE":"03/03/2004","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"47","PEL_DOSE_90":"31","SURVEY_TYPE":"I","sourceDate":"2004-03-03"},{"SOURCE_ROW_NUMBER":"203332","EVENT_NO":"4154529","SURVEY_DATE":"03/03/2004","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"81","PEL_DOSE_90":"54","SURVEY_TYPE":"I","sourceDate":"2004-03-03"},{"SOURCE_ROW_NUMBER":"203331","EVENT_NO":"4154529","SURVEY_DATE":"03/03/2004","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"38","MANUFACTURER_CD":"039","ACT_DOSE_85":"93","PEL_DOSE_90":"68","SURVEY_TYPE":"I","sourceDate":"2004-03-03"},{"SOURCE_ROW_NUMBER":"203330","EVENT_NO":"4154529","SURVEY_DATE":"03/03/2004","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"187","PEL_DOSE_90":"175","SURVEY_TYPE":"I","sourceDate":"2004-03-03"},{"SOURCE_ROW_NUMBER":"203346","EVENT_NO":"4155922","SURVEY_DATE":"11/13/2003","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"119","ACT_DOSE_85":"7","PEL_DOSE_90":"0","SURVEY_TYPE":"I","sourceDate":"2003-11-13"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":119,"firstDate":"2000-01-06","lastDate":"2005-08-08","metrics":{"recentRows":0,"voidSamples":17,"maxQuartzPct":17.3,"validSamples":102,"quartzPctTotal":839.3},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"159625","CASSETTE_NO":"57572132","SAMPLE_DT":"08/08/2005","QUARTZ_PCT":"08.1","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-08-08"},{"SOURCE_ROW_NUMBER":"28189","CASSETTE_NO":"50809536","SAMPLE_DT":"06/22/2005","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"OVERSIZE PARTICLES","sourceDate":"2005-06-22"},{"SOURCE_ROW_NUMBER":"83899","CASSETTE_NO":"57577634","SAMPLE_DT":"06/08/2005","QUARTZ_PCT":"07.1","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-06-08"},{"SOURCE_ROW_NUMBER":"7843","CASSETTE_NO":"57577295","SAMPLE_DT":"06/08/2005","QUARTZ_PCT":"06.6","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-06-08"},{"SOURCE_ROW_NUMBER":"72720","CASSETTE_NO":"50772645","SAMPLE_DT":"04/29/2005","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"INSUFFICIENT WEIGHT GAIN","sourceDate":"2005-04-29"},{"SOURCE_ROW_NUMBER":"112869","CASSETTE_NO":"57554927","SAMPLE_DT":"04/19/2005","QUARTZ_PCT":"07.0","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-04-19"},{"SOURCE_ROW_NUMBER":"164554","CASSETTE_NO":"50772643","SAMPLE_DT":"04/11/2005","QUARTZ_PCT":"02.3","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-04-11"},{"SOURCE_ROW_NUMBER":"120571","CASSETTE_NO":"50714104","SAMPLE_DT":"12/22/2004","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"CONTAMINATED","sourceDate":"2004-12-22"},{"SOURCE_ROW_NUMBER":"39501","CASSETTE_NO":"57554397","SAMPLE_DT":"12/01/2004","QUARTZ_PCT":"09.9","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-12-01"},{"SOURCE_ROW_NUMBER":"157288","CASSETTE_NO":"50760026","SAMPLE_DT":"11/12/2004","QUARTZ_PCT":"03.4","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-11-12"},{"SOURCE_ROW_NUMBER":"80370","CASSETTE_NO":"50760060","SAMPLE_DT":"10/25/2004","QUARTZ_PCT":"02.2","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-10-25"},{"SOURCE_ROW_NUMBER":"140420","CASSETTE_NO":"50733765","SAMPLE_DT":"09/01/2004","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"INSUFFICIENT WEIGHT GAIN","sourceDate":"2004-09-01"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":328,"firstDate":"2000-02-15","lastDate":"2006-01-11","metrics":{"ss":141,"amountDue":33939,"contested":0,"amountPaid":33939,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":33939},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2381141","VIOLATION_NO":"7310331","VIOLATION_ISSUE_DT":"01/11/2006","SIG_SUB":"Y","PART_SECTION":"48.27","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/11/2006","PROPOSED_PENALTY":"221","AMOUNT_DUE":"221","AMOUNT_PAID":"221","CONTESTED_IND":"N","sourceDate":"2006-01-11"},{"SOURCE_ROW_NUMBER":"2381140","VIOLATION_NO":"7310330","VIOLATION_ISSUE_DT":"01/11/2006","SIG_SUB":"Y","PART_SECTION":"77.208(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/11/2006","PROPOSED_PENALTY":"203","AMOUNT_DUE":"203","AMOUNT_PAID":"203","CONTESTED_IND":"N","sourceDate":"2006-01-11"},{"SOURCE_ROW_NUMBER":"2381427","VIOLATION_NO":"7309770","VIOLATION_ISSUE_DT":"10/25/2005","SIG_SUB":"N","PART_SECTION":"77.1605(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/25/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"2381426","VIOLATION_NO":"7309769","VIOLATION_ISSUE_DT":"10/25/2005","SIG_SUB":"Y","PART_SECTION":"77.504","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/25/2005","PROPOSED_PENALTY":"165","AMOUNT_DUE":"165","AMOUNT_PAID":"165","CONTESTED_IND":"N","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"2381425","VIOLATION_NO":"7309768","VIOLATION_ISSUE_DT":"10/25/2005","SIG_SUB":"N","PART_SECTION":"77.1607(p)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/25/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"2381424","VIOLATION_NO":"7309767","VIOLATION_ISSUE_DT":"10/25/2005","SIG_SUB":"N","PART_SECTION":"77.1103","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/25/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"2381423","VIOLATION_NO":"7309766","VIOLATION_ISSUE_DT":"10/25/2005","SIG_SUB":"N","PART_SECTION":"77.205(e)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/25/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"2381422","VIOLATION_NO":"7309765","VIOLATION_ISSUE_DT":"10/25/2005","SIG_SUB":"N","PART_SECTION":"77.1109(c)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/25/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"2381421","VIOLATION_NO":"7309761","VIOLATION_ISSUE_DT":"10/19/2005","SIG_SUB":"N","PART_SECTION":"77.903","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"10/19/2005","PROPOSED_PENALTY":"375","AMOUNT_DUE":"375","AMOUNT_PAID":"375","CONTESTED_IND":"N","sourceDate":"2005-10-19"},{"SOURCE_ROW_NUMBER":"2381420","VIOLATION_NO":"7309760","VIOLATION_ISSUE_DT":"10/19/2005","SIG_SUB":"N","PART_SECTION":"77.511","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/19/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-10-19"},{"SOURCE_ROW_NUMBER":"2381419","VIOLATION_NO":"7309759","VIOLATION_ISSUE_DT":"10/19/2005","SIG_SUB":"N","PART_SECTION":"77.513","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/19/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-10-19"},{"SOURCE_ROW_NUMBER":"2381418","VIOLATION_NO":"7309758","VIOLATION_ISSUE_DT":"10/19/2005","SIG_SUB":"Y","PART_SECTION":"77.502","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/19/2005","PROPOSED_PENALTY":"165","AMOUNT_DUE":"165","AMOUNT_PAID":"165","CONTESTED_IND":"N","sourceDate":"2005-10-19"}]}],"safety":{"href":"/api/v1/mines/4406915/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4406915/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":"Training of miners assigned to a task in which they have had no previous experience; minimum courses of instruction.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.27","part":"48","subchapter":"H","subpart":"B","id":"48.27","citation":"30 CFR 48.27","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 48—TRAINING AND RETRAINING OF MINERS","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.208","heading":"Storage of materials.","id":"77.208","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208","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":"C","subpartHeading":"Subpart C—Surface Installations","text":"(a) Materials shall be stored and stacked in a manner which minimizes stumbling or fall-of-material hazards.\n\n(b) Materials that can create hazards if accidentally liberated from their containers shall be stored in a manner that minimizes the dangers.\n\n(c) Containers holding hazardous materials must be of a type approved for such use by recognized agencies.\n\n(d) Compressed and liquid gas cylinders shall be secured in a safe manner.\n\n(e) Valves on compressed gas cylinders shall be protected by covers when being transported or stored, and by a safe location when the cylinders are in use.\n\n[36 FR 9364, May 22, 1971, as amended at 67 FR 42389, June 21, 2002]","occurrenceCount":1},{"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":1},{"chapter":"I","heading":"Electrical connections or splices; suitability.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.504","part":"77","subchapter":"O","subpart":"F","id":"77.504","citation":"30 CFR 77.504","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","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1607","heading":"Loading and haulage equipment; operation.","id":"77.1607","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607","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) Vehicles shall follow at a safe distance; passing shall be limited to areas of adequate clearance and visibility.\n\n(b) Mobile equipment operators shall have full control of the equipment while it is in motion.\n\n(c) Equipment operating speeds shall be prudent and consistent with conditions of roadway, grades, clearance, visibility, traffic, and the type of equipment used.\n\n(d) Cabs of mobile equipment shall be kept free of extraneous materials.\n\n(e) Operators shall sit facing the direction of travel while operating equipment with dual controls.\n\n(f) When an equipment operator is present, men shall notify him before getting on or off equipment.\n\n(g) Equipment operators shall be certain, by signal or other means, that all persons are clear before starting or moving equipment.\n\n(h) Where possible, aerial tramways shall not be started until the tramway operator has ascertained that everyone is in the clear.\n\n(i) Dust control measures shall be taken where dust significantly reduces visibility of equipment operators.\n\n(j) Dippers, buckets, loading booms, or heavy suspended loads shall not be swung over the cabs of haulage vehicles until the drivers are out of the cabs and in safe locations, unless the trucks are designed specifically to protect the drivers from falling material.\n\n(k) Men shall not work or pass under the buckets or booms of loaders in operation.\n\n(l) Tires shall be deflated before repairs on them are started and adequate means shall be provided to prevent wheel locking rims from creating a hazard during tire inflation.\n\n(m) Electrically powered mobile equipment shall not be left unattended unless the master switch is in the off position, all operating controls are in the neutral position, and the brakes are set or other equivalent precautions are taken against rolling.\n\n(n) Mobile equipment shall not be left unattended unless the brakes are set. The wheels shall be turned into a bank or berm, or shall be blocked, when such equipment is parked on a grade.\n\n(o) Lights, flares, or other warning devices shall be posted when parked equipment creates a hazard to vehicular traffic.\n\n(p) Dippers, buckets, scraper blades, and similar movable parts shall be secured or lowered to the ground when not in use.\n\n(q) Shovel trailing cables shall not be moved with the shovel dipper unless cable slings or sleds are used.\n\n(r) Equipment which is to be hauled shall be loaded and protected so as to prevent sliding or spillage.\n\n(s) When moving between work areas, the equipment shall be secured in the travel position.\n\n(t) Any load extending more than 4 feet beyond the rear of the vehicle body should be marked clearly with a red flag by day and a red light at night.\n\n(u) Tow bars shall be used to tow heavy equipment and a safety chain shall be used in conjunction with each tow bar.\n\n(v) Railroad cars shall be kept under control at all times by the car dropper. Cars shall be dropped at a safe rate and in a manner that will insure that the car dropper maintains a safe position while working and traveling around the cars.\n\n(w) Railroad cars shall not be coupled or uncoupled manually from the inside of curves unless the railroad and cars are so designed to eliminate any hazard from coupling or uncoupling cars from inside of curves.\n\n(x) Persons shall wear safety belts when dropping railroad cars.\n\n(y) Railcars shall not be left on sidetracks unless ample clearance is provided for traffic on adjacent tracks.\n\n(z) Parked railcars, unless held effectively by brakes, shall be blocked securely.\n\n(aa) Railroad cars and all trucks shall be trimmed properly when they have been loaded higher than the confines of their cargo space.\n\n(bb) When the entire length of a conveyor is visible from the starting switch, the operator shall visually check to make certain that all persons are in the clear before starting the conveyor. When the entire length of the conveyor is not visible from the starting switch, a positive audible or visible warning system shall be installed and operated to warn persons that the conveyor will be started.\n\n(cc) Unguarded conveyors with walkways shall be equipped with emergency stop devices or cords along their full length.\n\n(dd) Adequate backstops or brakes shall be installed on inclined-conveyor drive units to prevent conveyors from running in reverse if a hazard to personnel would be caused.\n\n(ee) Aerial tram conveyor buckets shall not be overloaded, and feed shall be regulated to prevent spillage.","occurrenceCount":1},{"chapter":"I","heading":"Flammable liquids; storage.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103","part":"77","subchapter":"O","subpart":"L","id":"77.1103","citation":"30 CFR 77.1103","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","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.205","heading":"Travelways at surface installations.","id":"77.205","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205","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":"C","subpartHeading":"Subpart C—Surface Installations","text":"(a) Safe means of access shall be provided and maintained to all working places.\n\n(b) Travelways and platforms or other means of access to areas where persons are required to travel or work, shall be kept clear of all extraneous material and other stumbling or slipping hazards.\n\n(c) Inclined travelways shall be constructed of nonskid material or equipped with cleats.\n\n(d) Regularly used travelways shall be sanded, salted, or cleared of snow and ice as soon as practicable.\n\n(e) Crossovers, elevated walkways, elevated ramps, and stairways shall be of substantial construction, provided with handrails, and maintained in good condition. Where necessary toeboards shall be provided.\n\n(f) Crossovers shall be provided where it is necessary to cross conveyors.\n\n(g) Moving conveyors shall be crossed only at designated crossover points.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1109","heading":"Quantity and location of firefighting equipment.","id":"77.1109","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109","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":"Preparation plants, dryer plants, tipples, drawoff tunnels, shops, and other surface installations shall be equipped with the following firefighting equipment.\n\n(a) Each structure presenting a fire hazard shall be provided with portable fire extinguishers commensurate with the potential fire hazard at the structure in accordance with the recommendations of the National Fire Protection Association.\n\n(b) Preparation plants shall be equipped with waterlines, with outlet valves on each floor, and with sufficient fire hose to project a water stream to any point in the plant. However, where freezing conditions exist or water is not available, a 125-pound multipurpose dry powder extinguisher may be substituted for the purposes of this paragraph (b) for each 2,500 square feet of floor space in a wooden or other flammable structure, or for each 5,000 square feet of floor space in a metal, concrete-block, or other type of non-flammable construction.\n\n(c)(1) Mobile equipment, including trucks, front-end loaders, bulldozers, portable welding units, and augers, shall be equipped with at least one portable fire extinguisher.\n\n(2) Power shovels, draglines, and other large equipment shall be equipped with at least one portable fire extinguisher; however, additional fire extinguishers may be required by an authorized representative of the Secretary.\n\n(3) Auxiliary equipment such as portable drills, sweepers, and scrapers, when operated more than 600 feet from equipment required to have portable fire extinguishers, shall be equipped with at least one fire extinguisher.\n\n(d) Fire extinguishers shall be provided at permanent electrical installations commensurate with the potential fire hazard at such installation in accordance with the recommendations of the National Fire Protection Association.\n\n(e) Two portable fire extinguishers, or the equivalent, shall be provided at each of the following combustible liquid storage installations:\n\n(1) Near each above ground or unburied combustible liquid storage station; and,\n\n(2) Near the transfer pump of each buried combustible liquid storage tank.\n\n(f) Vehicles transporting explosives and blasting agents shall be equipped with fire protection as recommended in Code 495, section 20, National Fire Protection Association Handbook, 12th Edition, 1962.","occurrenceCount":1},{"chapter":"I","heading":"Disconnecting devices.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-J/section-77.903","part":"77","subchapter":"O","subpart":"J","id":"77.903","citation":"30 CFR 77.903","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":"Danger signs at electrical installations.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.511","part":"77","subchapter":"O","subpart":"F","id":"77.511","citation":"30 CFR 77.511","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":"Insulating mats at power switches.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.513","part":"77","subchapter":"O","subpart":"F","id":"77.513","citation":"30 CFR 77.513","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","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4406915","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}