{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-18T09:31:49.615Z","identity":{"mine_id":"1202103","name":"Air Quality Hart Street South","status":"Abandoned and Sealed","status_date":"2006-02-15","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"IN","county":"Knox","nearest_town":"Monroe City","operator_id":"P23854","operator_name":"Peabody Midwest Mining, LLC","controller_id":"C15833","controller_name":"Peabody Energy Corporation","district":"C08","office":"Vincennes IN Field Office","employees":0,"latitude":38.616667,"longitude":-87.340556},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":2476},"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":"2026-10-18T09:31:49.615908+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":"1202103","name":"Air Quality Hart Street South"},"operator":{"type":"operator","id":"P23854","name":"Peabody Midwest Mining, LLC"},"controller":{"type":"controller","id":"C15833","name":"Peabody Energy Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22595","name":"Solar Sources Underground L L C"},"object":{"type":"mine","id":"1202103","name":"Air Quality Hart Street South"},"validFrom":"1991-07-01","validTo":"2005-12-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1202103|P22595|1991-07-01|2005-12-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05973","name":"Felson  Bowman"},"object":{"type":"mine","id":"1202103","name":"Air Quality Hart Street South"},"validFrom":"1991-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1202103|C05973|1991-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05973","name":"Felson  Bowman"},"object":{"type":"operator","id":"P22595","name":"Solar Sources Underground L L C"},"validFrom":"1991-07-01","validTo":"2005-12-20","current":false,"derived":true,"evidenceMineId":"1202103","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1202103|P22595|1991-07-01|C05973|1991-07-01|70494"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15833","name":"Peabody Energy Corporation"},"object":{"type":"mine","id":"1202103","name":"Air Quality Hart Street South"},"validFrom":"1997-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1202103|C15833|1997-11-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23854","name":"Peabody Midwest Mining, LLC"},"object":{"type":"mine","id":"1202103","name":"Air Quality Hart Street South"},"validFrom":"2005-12-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1202103|P23854|2005-12-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15833","name":"Peabody Energy Corporation"},"object":{"type":"operator","id":"P23854","name":"Peabody Midwest Mining, LLC"},"validFrom":"2005-12-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"1202103","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1202103|P23854|2005-12-21|C15833|1997-11-01|96923"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":77,"firstDate":"2000-01-18","lastDate":"2006-05-30","metrics":{"daysLost":838,"injuries":57,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":1},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"207486","DOCUMENT_NO":"220061520039","ACCIDENT_DT":"05/30/2006","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":"On 5/30/06, an unintentional roof fall occurred at the #6 crosscut in #7 entry, this was located in the 1st West/4th North, return. The area was initially supported with 10' point anchor roof bolts, the fall measured 21' X 17' X 10' high and the roof fall will be cleaned up.","sourceDate":"2006-05-30"},{"SOURCE_ROW_NUMBER":"1031","DOCUMENT_NO":"220060480002","ACCIDENT_DT":"02/15/2006","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 occurred on the Main North in entry #5 between crosscut 70 and 71.  This fall was in the travelway and the travelway was re-routed around the fall.  The cause of the fall was weak laminated shale.  This fall is in an area of the Solar Sources mine that Black Beauty recently purchased.","sourceDate":"2006-02-15"},{"SOURCE_ROW_NUMBER":"35459","DOCUMENT_NO":"220043360021","ACCIDENT_DT":"11/28/2004","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":"ROOF FALL OCCURRED ON THE MAIN NORTH ENTRIES IN #6 ENTRY BETWEEN #69 AND 70 CROSSCUT. ROOF FALL WAS 40' X 18' X 5-6'. ROOF FALL WILL BE CLEANED UP. INITIALLY THE AREA WAS BOLTED WITH 4' FULLY GROUTED ROOF BOLTS AND METAL STRAPS BETWEEN ROOF BOLT PATTERNS. ROOF MATERIAL CONSISTED OF LAMINATIONS OF BLACK SHALE AND SAND STONE.","sourceDate":"2004-11-28"},{"SOURCE_ROW_NUMBER":"194463","DOCUMENT_NO":"220043200028","ACCIDENT_DT":"11/08/2004","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EMPLOYEE WAS OPERATING A DOUBLE BOOM ROOF BOLTER & AS HE WAS IN THE PROCESS OF INSTALLING A TUBE OF RESIN INTO A DRILLED HOLE A SMALL PIECE OF ROCK THAT FEATHERED OUT ON ONE SIDE TO A FINE EDGE FELL FROM ROOF & STRUCK EE ON THE LT. FOREARM. HE RECEIVED FIVE SUTURES TO CLOSE THE LACERATION. HE RETURNED TO WORK HIS NEXT SHIFT, MISSING NO SCHEDULED WORK TIME.","sourceDate":"2004-11-08"},{"SOURCE_ROW_NUMBER":"61185","DOCUMENT_NO":"220042710105","ACCIDENT_DT":"09/21/2004","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"STRIKING OR BUMPING","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Miner was walking next to a double boom roof bolter located in the face area of the number three production section and as he passed beside the roof bolting supplies loaded on the roof bolter he brushed his right hand against the loose end of a metal band. Caused laceration on the top of his hand requiring 4 sutures.","sourceDate":"2004-09-21"},{"SOURCE_ROW_NUMBER":"104014","DOCUMENT_NO":"220042810069","ACCIDENT_DT":"08/26/2004","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Absorption of radiations, caustics, toxic and noxious substances","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While checking the oil on the continuous miner, oil shot out and went into his left eye.","sourceDate":"2004-08-26"},{"SOURCE_ROW_NUMBER":"48281","DOCUMENT_NO":"220042330027","ACCIDENT_DT":"08/16/2004","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Continuous miner operator, Coal mole operator","NO_INJURIES":"1","DAYS_LOST":"110","NARRATIVE":"EE WAS LOCATED UNDER SUPPORTED ROOF LOCATED NEAR THE SECOND ROW OF SUPPORTS, OUTBY FROM AN UNSUPPORTED CUT WHERE THE MINING MACHINE WAS WORKING. HE WAS IN A KNEELING POSITION, OPERATING THE MINING MACHINE WHEN AN AREA OF MINE ROOF FELL OUT FROM BETWEEN PERMANENTLY INSTALLED ROOF BOLTS STRIKING HIM. THE ROCK CAUSED A FRACTURE TO HIS LEFT INDEX FINGER & A DEEP BRUISE TO HIS THIGH.","sourceDate":"2004-08-16"},{"SOURCE_ROW_NUMBER":"216134","DOCUMENT_NO":"220042120048","ACCIDENT_DT":"07/22/2004","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"5","NARRATIVE":"He was lifting and pulling a continuous miner power cable when he injured his left knee.","sourceDate":"2004-07-22"},{"SOURCE_ROW_NUMBER":"39724","DOCUMENT_NO":"220042040027","ACCIDENT_DT":"07/19/2004","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":"AN UNINTENTIONAL ROOF FALL OCCURRED IN THE #2 ENTRY, AT THE #8 X-CUT LOCATED IN THE PANEL 8 EAST RETURN AIR COURSE. THE ROOF FALL WAS 40'LONG X 18'WIDE X 8'HIGH. SUPPLEMENTAL SUPPORTS HAVE BEEN INSTALLED AROUND THE ROOF FALL & THE ROOF FALL WILL NOT BE CLEANED UP. INITIALLY BOLTED WITH 4'FULLY GROUTED ROOF BOLTS. THE ROOF MATERIAL CONSISTED OF LAMINATED BLACK SHALE & A SAND STONE.","sourceDate":"2004-07-19"},{"SOURCE_ROW_NUMBER":"13973","DOCUMENT_NO":"220042010108","ACCIDENT_DT":"07/15/2004","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":"UNINTENTIONAL ROOF FALL OCCURRED ON THE 001 SECT. BETWEEN #7 & #8 ENTRY AT #38 CROSSCUT.  FALL WAS 25' LONG X 18' WIDE, AND 3' - 6' HIGH.  FALL WILL NOT BE CLEANED UP.  INITIALLY THE AREA WAS BOLTED WITH 4' FULLY-GROUTED ROOF BOLTS. AREA HAD BEEN DANGERED OFF AND TIMBERED.  ROCK HAD BEEN FALLING FROM BETWEEN THE ROOF BOLTS BUT ONLY FOUND TO BE ABOVE THE ANCHOR POINT ON 7/15/04.","sourceDate":"2004-07-15"},{"SOURCE_ROW_NUMBER":"91214","DOCUMENT_NO":"220041980071","ACCIDENT_DT":"07/06/2004","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":"AN UNINTENTIONAL ROOF FALL OCCURRED IN THE #5 ENTRY, AT THE #69 CROSSCUT LOCATED IN THE MAIN NORTH SECONDARY ESCAPEWAY.  THE ROOF FALL WAS 20' LONG X 18' WIDE, AND 4.5 TO 6' HIGH.  THE ROOF FALL WILL BE CLEANED UP AND THE AREA RE-SUPPORTED.  INITIALLY THE AREA WAS BOLTED WITH 4' AND 6' FULLY-GROUTED ROOF BOLTS.","sourceDate":"2004-07-06"},{"SOURCE_ROW_NUMBER":"250573","DOCUMENT_NO":"220041940038","ACCIDENT_DT":"07/01/2004","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"ELECTRICAL","ACCIDENT_TYPE":"Contact with electrical current","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"8","NARRATIVE":"EMPLOYEE WAS INSTALLING A RELAY IN A BATTERY. AS HE WAS CUTTING OFF TIE WRAP ENDS HIS WIRE CUTTERS SHORTED TWO TERMINALS. EMPLOYEE HAD DISCONNECTED & LOCKED OUT THE POWER TO THE CHARGER BUT FORGOT TO DISCONNECT THE SCOOP BATTERY FROM THE CHARGER.","sourceDate":"2004-07-01"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2006-02-15","lastDate":"2006-02-15","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":293,"firstDate":"2000-01-12","lastDate":"2006-03-02","metrics":{"ss":65,"delinquent":277,"recentRows":0,"paidPenalty":30720,"proposedPenalty":31876,"currentAssessment":30720},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1610309","VIOLATION_NO":"7485646","ISSUE_DT":"03/02/2006","CFR_STANDARD_CD":"77.1601(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"203.00","CURRENT_ASSESSMENT_AMT":"203.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-02"},{"SOURCE_ROW_NUMBER":"1610308","VIOLATION_NO":"7485645","ISSUE_DT":"03/02/2006","CFR_STANDARD_CD":"77.215-1","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-02"},{"SOURCE_ROW_NUMBER":"1591902","VIOLATION_NO":"7598765","ISSUE_DT":"08/11/2005","CFR_STANDARD_CD":"77.410(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-11"},{"SOURCE_ROW_NUMBER":"1608530","VIOLATION_NO":"7597150","ISSUE_DT":"04/04/2005","CFR_STANDARD_CD":"75.342(a)(4)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-04-04"},{"SOURCE_ROW_NUMBER":"1607145","VIOLATION_NO":"7597269","ISSUE_DT":"03/08/2005","CFR_STANDARD_CD":"77.502","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-03-08"},{"SOURCE_ROW_NUMBER":"1607144","VIOLATION_NO":"7597268","ISSUE_DT":"03/08/2005","CFR_STANDARD_CD":"77.502","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-03-08"},{"SOURCE_ROW_NUMBER":"1607143","VIOLATION_NO":"7597133","ISSUE_DT":"02/24/2005","CFR_STANDARD_CD":"75.523-3(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-02-24"},{"SOURCE_ROW_NUMBER":"1607140","VIOLATION_NO":"7596487","ISSUE_DT":"02/22/2005","CFR_STANDARD_CD":"75.333(e)(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":"2005-02-22"},{"SOURCE_ROW_NUMBER":"1607139","VIOLATION_NO":"7596486","ISSUE_DT":"02/22/2005","CFR_STANDARD_CD":"75.202(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"217.00","CURRENT_ASSESSMENT_AMT":"217.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-02-22"},{"SOURCE_ROW_NUMBER":"1607138","VIOLATION_NO":"7596485","ISSUE_DT":"02/22/2005","CFR_STANDARD_CD":"75.370(a)(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":"2005-02-22"},{"SOURCE_ROW_NUMBER":"1607137","VIOLATION_NO":"7596484","ISSUE_DT":"02/22/2005","CFR_STANDARD_CD":"75.1722(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-02-22"},{"SOURCE_ROW_NUMBER":"1607136","VIOLATION_NO":"7596483","ISSUE_DT":"02/22/2005","CFR_STANDARD_CD":"75.604(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-02-22"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":4,"firstDate":"2000-08-28","lastDate":"2005-04-15","metrics":{"appeals":0,"decisions":4,"recentRows":0,"decisionPenalty":3120,"originalPenalty":4155},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"246758","VIOLATION_NO":"7595896","DOCKET_NO":"LAKE 2005-48","DECISION_DT":"04/15/2005","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"3000.00","DECISION_PENALTY_AMT":"2100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2005-04-15"},{"SOURCE_ROW_NUMBER":"472428","VIOLATION_NO":"7562320","DOCKET_NO":"LAKE20010081","DECISION_DT":"07/23/2003","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"340.00","DECISION_PENALTY_AMT":"340.00","JUDGE_FIRST_NAME":"Gary","JUDGE_LAST_NAME":"Melick","sourceDate":"2003-07-23"},{"SOURCE_ROW_NUMBER":"231771","VIOLATION_NO":"7562321","DOCKET_NO":"LAKE20010081","DECISION_DT":"07/23/2003","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"340.00","DECISION_PENALTY_AMT":"340.00","JUDGE_FIRST_NAME":"Gary","JUDGE_LAST_NAME":"Melick","sourceDate":"2003-07-23"},{"SOURCE_ROW_NUMBER":"230624","VIOLATION_NO":"7588057","DOCKET_NO":"LAKE20000114","DECISION_DT":"08/28/2000","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"475.00","DECISION_PENALTY_AMT":"340.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2000-08-28"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":1202,"firstDate":"2000-01-04","lastDate":"2005-04-21","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":64,"validSamples":1138,"maxConcentration":10.986,"concentrationTotal":1642.235},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1597321","CASS_NUM":"57546507","SMP_TAKEN_DT":"4/21/2005","CONC":".407","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-04-21"},{"SOURCE_ROW_NUMBER":"1164129","CASS_NUM":"57546491","SMP_TAKEN_DT":"4/21/2005","CONC":"1.136","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":"2005-04-21"},{"SOURCE_ROW_NUMBER":"1047412","CASS_NUM":"57546511","SMP_TAKEN_DT":"4/21/2005","CONC":"1.215","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":"2005-04-21"},{"SOURCE_ROW_NUMBER":"671602","CASS_NUM":"57546525","SMP_TAKEN_DT":"4/21/2005","CONC":"1.752","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":"2005-04-21"},{"SOURCE_ROW_NUMBER":"396186","CASS_NUM":"57546528","SMP_TAKEN_DT":"4/21/2005","CONC":"1.001","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":"2005-04-21"},{"SOURCE_ROW_NUMBER":"237743","CASS_NUM":"57546454","SMP_TAKEN_DT":"4/21/2005","CONC":"2.704","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":"2005-04-21"},{"SOURCE_ROW_NUMBER":"159027","CASS_NUM":"50760720","SMP_TAKEN_DT":"4/20/2005","CONC":".159","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":"2005-04-20"},{"SOURCE_ROW_NUMBER":"203336","CASS_NUM":"50760727","SMP_TAKEN_DT":"4/19/2005","CONC":".274","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":"2005-04-19"},{"SOURCE_ROW_NUMBER":"112295","CASS_NUM":"50760763","SMP_TAKEN_DT":"4/19/2005","CONC":".306","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":"2005-04-19"},{"SOURCE_ROW_NUMBER":"1365274","CASS_NUM":"50754134","SMP_TAKEN_DT":"4/18/2005","CONC":"1.142","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":"2005-04-18"},{"SOURCE_ROW_NUMBER":"160652","CASS_NUM":"50754125","SMP_TAKEN_DT":"4/18/2005","CONC":".363","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":"2005-04-18"},{"SOURCE_ROW_NUMBER":"1527006","CASS_NUM":"57546518","SMP_TAKEN_DT":"3/23/2005","CONC":"1.116","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":"2005-03-23"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":12,"firstDate":"2000-11-27","lastDate":"2006-04-12","metrics":{"linkedIssuances":12},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":1,"firstDate":"2004-10-05","lastDate":"2004-10-05","metrics":{"decisions":1,"ssChanged":0,"recentRows":0,"decisionPenalty":2100,"proposedPenalty":3000},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"340518","CITATION_NO":"7595896","CITATION_ISSUE_DT":"10/05/2004","DOCKET_NO":"LAKE 2005-48","DECISION_DT":"04/15/2005","CFR_STANDARD_CODE":"75.202(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"3000.00","DECISION_PENALTY_AMT":"2100.00","sourceDate":"2004-10-05"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":71,"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":29,"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":2,"firstDate":"1991-07-01","lastDate":"2005-12-21","metrics":{"recentRows":0,"currentOperatorTenures":1,"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":"2000-01-12","lastDate":"2008-04-16","metrics":{"inspectors":199,"recentRows":0,"onSiteHours":3977.25,"inspectionHours":5494.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"354055","EVENT_NO":"4244755","INSPECTION_BEGIN_DT":"04/16/2008","INSPECTION_END_DT":"04/16/2008","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2008-04-16"},{"SOURCE_ROW_NUMBER":"883265","EVENT_NO":"4244738","INSPECTION_BEGIN_DT":"06/15/2007","INSPECTION_END_DT":"06/15/2007","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2007-06-15"},{"SOURCE_ROW_NUMBER":"918685","EVENT_NO":"4245101","INSPECTION_BEGIN_DT":"04/11/2006","INSPECTION_END_DT":"04/11/2006","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2006-04-11"},{"SOURCE_ROW_NUMBER":"15002","EVENT_NO":"6139457","INSPECTION_BEGIN_DT":"03/23/2006","INSPECTION_END_DT":"03/23/2006","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2006-03-23"},{"SOURCE_ROW_NUMBER":"1048698","EVENT_NO":"6139430","INSPECTION_BEGIN_DT":"02/05/2006","INSPECTION_END_DT":"03/02/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"26","SUM_TOTAL_ON_SITE_HOURS":"20.75","sourceDate":"2006-02-05"},{"SOURCE_ROW_NUMBER":"665542","EVENT_NO":"6049678","INSPECTION_BEGIN_DT":"10/25/2005","INSPECTION_END_DT":"10/25/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"283065","EVENT_NO":"6049688","INSPECTION_BEGIN_DT":"08/11/2005","INSPECTION_END_DT":"08/11/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2005-08-11"},{"SOURCE_ROW_NUMBER":"782616","EVENT_NO":"6138017","INSPECTION_BEGIN_DT":"04/04/2005","INSPECTION_END_DT":"06/02/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"87","SUM_TOTAL_ON_SITE_HOURS":"65.5","sourceDate":"2005-04-04"},{"SOURCE_ROW_NUMBER":"623117","EVENT_NO":"6136720","INSPECTION_BEGIN_DT":"01/24/2005","INSPECTION_END_DT":"03/24/2005","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"7","SUM_TOTAL_INSP_HOURS":"153","SUM_TOTAL_ON_SITE_HOURS":"112","sourceDate":"2005-01-24"},{"SOURCE_ROW_NUMBER":"317046","EVENT_NO":"6137869","INSPECTION_BEGIN_DT":"10/29/2004","INSPECTION_END_DT":"11/03/2004","ACTIVITY_CODE":"CCA","ACTIVITY":"ROOF CONTROL TECHNICAL INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":"13.5","sourceDate":"2004-10-29"},{"SOURCE_ROW_NUMBER":"247528","EVENT_NO":"6138485","INSPECTION_BEGIN_DT":"10/04/2004","INSPECTION_END_DT":"12/22/2004","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"155.5","SUM_TOTAL_ON_SITE_HOURS":"122.5","sourceDate":"2004-10-04"},{"SOURCE_ROW_NUMBER":"217200","EVENT_NO":"6137833","INSPECTION_BEGIN_DT":"07/21/2004","INSPECTION_END_DT":"07/21/2004","ACTIVITY_CODE":"CDA","ACTIVITY":"ROOF CONTROL SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2004-07-21"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":72,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005-Q4":{"hours":3078,"employees":6,"production":0},"2005-Q3":{"hours":3183,"employees":6,"production":0},"2005-Q2":{"hours":17772,"employees":44,"production":53119},"2005-Q1":{"hours":32774,"employees":79,"production":153358},"2004-Q4":{"hours":45195,"employees":96,"production":185314},"2004-Q3":{"hours":52837,"employees":109,"production":220325},"2004-Q2":{"hours":48080,"employees":121,"production":228086},"2004-Q1":{"hours":52426,"employees":129,"production":265255},"2003-Q4":{"hours":57025,"employees":133,"production":236379},"2003-Q3":{"hours":61917,"employees":148,"production":243245},"2003-Q2":{"hours":60843,"employees":148,"production":242445},"2003-Q1":{"hours":70181,"employees":141,"production":292170}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":18,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":294096,"employees":141,"production":1506550},"2001":{"hours":284545,"employees":143,"production":1332270},"2002":{"hours":276103,"employees":144,"production":1140713},"2003":{"hours":249966,"employees":143,"production":1014239},"2004":{"hours":198538,"employees":114,"production":898980},"2005":{"hours":56807,"employees":35,"production":206477}},"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":93,"firstDate":"2000-02-23","lastDate":"2004-01-06","metrics":{"recentRows":0,"doseOver100":33,"actDoseTotal":8692,"pelDoseTotal":7232},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"29575","EVENT_NO":"6136352","SURVEY_DATE":"01/06/2004","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"067","ACT_DOSE_85":"53","PEL_DOSE_90":"37","SURVEY_TYPE":"I","sourceDate":"2004-01-06"},{"SOURCE_ROW_NUMBER":"29574","EVENT_NO":"6136352","SURVEY_DATE":"01/06/2004","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"38","MANUFACTURER_CD":"067","ACT_DOSE_85":"46","PEL_DOSE_90":"28","SURVEY_TYPE":"I","sourceDate":"2004-01-06"},{"SOURCE_ROW_NUMBER":"29573","EVENT_NO":"6136352","SURVEY_DATE":"01/06/2004","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"067","ACT_DOSE_85":"90","PEL_DOSE_90":"81","SURVEY_TYPE":"I","sourceDate":"2004-01-06"},{"SOURCE_ROW_NUMBER":"29572","EVENT_NO":"6136352","SURVEY_DATE":"01/06/2004","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"067","ACT_DOSE_85":"63","PEL_DOSE_90":"43","SURVEY_TYPE":"I","sourceDate":"2004-01-06"},{"SOURCE_ROW_NUMBER":"29571","EVENT_NO":"6136352","SURVEY_DATE":"01/06/2004","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"93","PEL_DOSE_90":"87","SURVEY_TYPE":"I","sourceDate":"2004-01-06"},{"SOURCE_ROW_NUMBER":"29550","EVENT_NO":"6057386","SURVEY_DATE":"12/10/2003","OCCUPATION_CD_DESC":"MECHANIC","MACHINE_CD":"40","MANUFACTURER_CD":"120","ACT_DOSE_85":"11","PEL_DOSE_90":"6","SURVEY_TYPE":"I","sourceDate":"2003-12-10"},{"SOURCE_ROW_NUMBER":"29549","EVENT_NO":"6057386","SURVEY_DATE":"12/10/2003","OCCUPATION_CD_DESC":"ROAD GRADER OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"018","ACT_DOSE_85":"36","PEL_DOSE_90":"10","SURVEY_TYPE":"I","sourceDate":"2003-12-10"},{"SOURCE_ROW_NUMBER":"29570","EVENT_NO":"6135730","SURVEY_DATE":"10/01/2003","OCCUPATION_CD_DESC":"MECHANIC","ACT_DOSE_85":"17","PEL_DOSE_90":"10","SURVEY_TYPE":"I","sourceDate":"2003-10-01"},{"SOURCE_ROW_NUMBER":"29569","EVENT_NO":"6135730","SURVEY_DATE":"10/01/2003","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"38","MANUFACTURER_CD":"067","ACT_DOSE_85":"32","PEL_DOSE_90":"15","SURVEY_TYPE":"I","sourceDate":"2003-10-01"},{"SOURCE_ROW_NUMBER":"29568","EVENT_NO":"6135730","SURVEY_DATE":"10/01/2003","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"067","ACT_DOSE_85":"37","PEL_DOSE_90":"26","SURVEY_TYPE":"I","sourceDate":"2003-10-01"},{"SOURCE_ROW_NUMBER":"29567","EVENT_NO":"6135730","SURVEY_DATE":"10/01/2003","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"067","ACT_DOSE_85":"55","PEL_DOSE_90":"39","SURVEY_TYPE":"I","sourceDate":"2003-10-01"},{"SOURCE_ROW_NUMBER":"29566","EVENT_NO":"6135730","SURVEY_DATE":"10/01/2003","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"80","PEL_DOSE_90":"70","SURVEY_TYPE":"I","sourceDate":"2003-10-01"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":160,"firstDate":"2000-01-05","lastDate":"2005-04-21","metrics":{"recentRows":0,"voidSamples":2,"maxQuartzPct":12.6,"validSamples":158,"quartzPctTotal":802.3},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"25769","CASSETTE_NO":"57546454","SAMPLE_DT":"04/21/2005","QUARTZ_PCT":"04.5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-04-21"},{"SOURCE_ROW_NUMBER":"75010","CASSETTE_NO":"57546526","SAMPLE_DT":"03/23/2005","QUARTZ_PCT":"03.9","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-03-23"},{"SOURCE_ROW_NUMBER":"48841","CASSETTE_NO":"57546499","SAMPLE_DT":"03/07/2005","QUARTZ_PCT":"03.9","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-03-07"},{"SOURCE_ROW_NUMBER":"40270","CASSETTE_NO":"57546446","SAMPLE_DT":"03/07/2005","QUARTZ_PCT":"00.1","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-03-07"},{"SOURCE_ROW_NUMBER":"137259","CASSETTE_NO":"57537701","SAMPLE_DT":"11/17/2004","QUARTZ_PCT":"06.0","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-11-17"},{"SOURCE_ROW_NUMBER":"13624","CASSETTE_NO":"57537718","SAMPLE_DT":"11/17/2004","QUARTZ_PCT":"03.8","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-11-17"},{"SOURCE_ROW_NUMBER":"59196","CASSETTE_NO":"57537681","SAMPLE_DT":"11/16/2004","QUARTZ_PCT":"03.5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-11-16"},{"SOURCE_ROW_NUMBER":"150441","CASSETTE_NO":"57537411","SAMPLE_DT":"09/01/2004","QUARTZ_PCT":"07.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-09-01"},{"SOURCE_ROW_NUMBER":"145659","CASSETTE_NO":"57537427","SAMPLE_DT":"09/01/2004","QUARTZ_PCT":"05.9","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-09-01"},{"SOURCE_ROW_NUMBER":"104536","CASSETTE_NO":"57537429","SAMPLE_DT":"08/24/2004","QUARTZ_PCT":"06.6","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-08-24"},{"SOURCE_ROW_NUMBER":"48220","CASSETTE_NO":"57537465","SAMPLE_DT":"08/24/2004","QUARTZ_PCT":"03.9","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-08-24"},{"SOURCE_ROW_NUMBER":"70097","CASSETTE_NO":"57495767","SAMPLE_DT":"06/22/2004","QUARTZ_PCT":"08.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-06-22"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":303,"firstDate":"2000-01-12","lastDate":"2006-03-02","metrics":{"ss":65,"amountDue":30720,"contested":4,"amountPaid":30720,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":31876},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"599043","VIOLATION_NO":"7485646","VIOLATION_ISSUE_DT":"03/02/2006","SIG_SUB":"Y","PART_SECTION":"77.1601(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Highly","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/02/2006","PROPOSED_PENALTY":"203","AMOUNT_DUE":"203","AMOUNT_PAID":"203","CONTESTED_IND":"N","sourceDate":"2006-03-02"},{"SOURCE_ROW_NUMBER":"599042","VIOLATION_NO":"7485645","VIOLATION_ISSUE_DT":"03/02/2006","SIG_SUB":"N","PART_SECTION":"77.215-1","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/23/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2006-03-02"},{"SOURCE_ROW_NUMBER":"599041","VIOLATION_NO":"7485644","VIOLATION_ISSUE_DT":"03/02/2006","SIG_SUB":"N","PART_SECTION":"77.215(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/23/2006","CONTESTED_IND":"N","sourceDate":"2006-03-02"},{"SOURCE_ROW_NUMBER":"599040","VIOLATION_NO":"7485643","VIOLATION_ISSUE_DT":"03/02/2006","SIG_SUB":"N","PART_SECTION":"77.215(h)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/26/2009","CONTESTED_IND":"N","sourceDate":"2006-03-02"},{"SOURCE_ROW_NUMBER":"599039","VIOLATION_NO":"7485642","VIOLATION_ISSUE_DT":"03/02/2006","SIG_SUB":"N","PART_SECTION":"77.215(e)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/26/2009","CONTESTED_IND":"N","sourceDate":"2006-03-02"},{"SOURCE_ROW_NUMBER":"599167","VIOLATION_NO":"7598765","VIOLATION_ISSUE_DT":"08/11/2005","SIG_SUB":"N","PART_SECTION":"77.410(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/11/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-08-11"},{"SOURCE_ROW_NUMBER":"599053","VIOLATION_NO":"7597150","VIOLATION_ISSUE_DT":"04/04/2005","SIG_SUB":"N","PART_SECTION":"75.342(a)(4)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/04/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-04-04"},{"SOURCE_ROW_NUMBER":"599037","VIOLATION_NO":"7597269","VIOLATION_ISSUE_DT":"03/08/2005","SIG_SUB":"N","PART_SECTION":"77.502","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/08/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-03-08"},{"SOURCE_ROW_NUMBER":"599036","VIOLATION_NO":"7597268","VIOLATION_ISSUE_DT":"03/08/2005","SIG_SUB":"N","PART_SECTION":"77.502","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/08/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-03-08"},{"SOURCE_ROW_NUMBER":"599035","VIOLATION_NO":"7597133","VIOLATION_ISSUE_DT":"02/24/2005","SIG_SUB":"N","PART_SECTION":"75.523-3(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/24/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-02-24"},{"SOURCE_ROW_NUMBER":"599032","VIOLATION_NO":"7596487","VIOLATION_ISSUE_DT":"02/22/2005","SIG_SUB":"N","PART_SECTION":"75.333(e)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"10","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/24/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-02-22"},{"SOURCE_ROW_NUMBER":"599031","VIOLATION_NO":"7596486","VIOLATION_ISSUE_DT":"02/22/2005","SIG_SUB":"Y","PART_SECTION":"75.202(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/22/2005","PROPOSED_PENALTY":"217","AMOUNT_DUE":"217","AMOUNT_PAID":"217","CONTESTED_IND":"N","sourceDate":"2005-02-22"}]}],"safety":{"href":"/api/v1/mines/1202103/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1202103/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":"Transportation of persons; restrictions.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1601","part":"77","subchapter":"O","subpart":"Q","id":"77.1601","citation":"30 CFR 77.1601","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":"Refuse piles; identification.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.215-1","part":"77","subchapter":"O","subpart":"C","id":"77.215-1","citation":"30 CFR 77.215-1","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":"Refuse piles; construction requirements.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.215","part":"77","subchapter":"O","subpart":"C","id":"77.215","citation":"30 CFR 77.215","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":3},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.410","heading":"Mobile equipment; automatic warning devices.","id":"77.410","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410","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) Mobile equipment such as front-end loaders, forklifts, tractors, graders, and trucks, except pickup trucks with an unobstructed rear view, shall be equipped with a warning device that—\n\n(1) Gives an audible alarm when the equipment is put in reverse; or\n\n(2) Uses infrared light, ultrasonic waves, radar, or other effective devices to detect objects or persons at the rear of the equipment, and sounds an audible alarm when a person or object is detected. This type of discriminating warning device shall—\n\n(i) Have a sensing area of a sufficient size that would allow endangered persons adequate time to get out of the danger zone.\n\n(ii) Give audible and visual alarms inside the operator's compartment and an audible alarm outside of the operator's compartment when a person or object is detected in the sensing area; and\n\n(iii) When the equipment is put in reverse, activate and give a one-time audible and visual alarm inside the operator's compartment and a one-time audible alarm outside the operator's compartment.\n\n(b) Alarms shall be audible above the surrounding noise levels.\n\n(c) Warning devices shall be maintained in functional condition.\n\n(d) An automatic reverse-activated strobe light may be substituted for an audible alarm when mobile equipment is operated at night.\n\n[54 FR 30517, July 20, 1989]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.342","heading":"Methane monitors.","id":"75.342","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.342","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"D","subpartHeading":"Subpart D—Ventilation","text":"(a)(1) MSHA approved methane monitors shall be installed on all face cutting machines, continuous miners, longwall face equipment, loading machines, and other mechanized equipment used to extract or load coal within the working place.\n\n(2) The sensing device for methane monitors on longwall shearing machines shall be installed at the return air end of the longwall face. An additional sensing device also shall be installed on the longwall shearing machine, downwind and as close to the cutting head as practicable. An alternative location or locations for the sensing device required on the longwall shearing machine may be approved in the ventilation plan.\n\n(3) The sensing devices of methane monitors shall be installed as close to the working face as practicable.\n\n(4) Methane monitors shall be maintained in permissible and proper operating condition and shall be calibrated with a known air-methane mixture at least once every 31 days. To assure that methane monitors are properly maintained and calibrated, the operator shall:\n\n(i) Use persons properly trained in the maintenance, calibration, and permissibility of methane monitors to calibrate and maintain the devices.\n\n(ii) Maintain a record of all calibration tests of methane monitors. Records shall be maintained in a secure book that is not susceptible to alteration or electronically in a computer system so as to be secure and not susceptible to alteration.\n\n(iii) Retain the record of calibration tests for 1 year from the date of the test. Records shall be retained at a surface location at the mine and made available for inspection by authorized representatives of the Secretary and the representative of miners.\n\n(b)(1) When the methane concentration at any methane monitor reaches 1.0 percent the monitor shall give a warning signal.\n\n(2) The warning signal device of the methane monitor shall be visible to a person who can deenergize electric equipment or shut down diesel-powered equipment on which the monitor is mounted.\n\n(c) The methane monitor shall automatically deenergize electric equipment or shut down diesel-powered equipment on which it is mounted when—\n\n(1) The methane concentration at any methane monitor reaches 2.0 percent; or\n\n(2) The monitor is not operating properly.\n\n[61 FR 9829, Mar. 11, 1996, as amended at 61 FR 55527, Oct. 25, 1996]","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":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.523-3","heading":"Automatic emergency-parking brakes.","id":"75.523-3","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.523-3","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"(a) Except for personnel carriers, rubber-tired, self-propelled electric haulage equipment used in the active workings of underground coal mines shall be equipped with automatic emergency-parking brakes in accordance with the following schedule.\n\n(1) On and after May 23, 1989—\n\n(i) All new equipment ordered; and\n\n(ii) All equipment originally furnished with or retrofitted with automatic emergency-parking brakes which meet the requirements of this section.\n\n(2) On and after May 23, 1991, all other equipment.\n\n(b) Automatic emergency-parking brakes shall—\n\n(1) Be activated immediately by the emergency deenergization device required by 30 CFR 75.523-1 and 75.523-2;\n\n(2) Engage automatically within 5.0 seconds when the equipment is deenergized;\n\n(3) Safely bring the equipment when fully loaded to a complete stop on the maximum grade on which it is operated;\n\n(4) Hold the equipment stationary despite any contraction of brake parts, exhaustion of any non-mechanical source of energy, or leakage; and\n\n(5) Release only by a manual control that does not operate any other equipment function.\n\n(c) Automatic emergency-parking brakes shall include a means in the equipment operator's compartment to—\n\n(1) Apply the brakes manually without deenergizing the equipment; and\n\n(2) Release and reengage the brakes without energizing the equipment.\n\n(d) On and after November 24, 1989, rubber-tired, self-propelled electric face equipment not covered by paragraph (a) of this section shall be equipped with a means incorporated on the equipment and operable from each tramming station to hold the equipment stationary—\n\n(1) On the maximum grade on which it is operated; and\n\n(2) Despite any contraction of components, exhaustion of any non-mechanical source of energy, or leakage.\n\n(e) The brake systems required by paragraphs (a) or (d) of this section shall be applied when the equipment operator is not at the controls of the equipment, except during movement of disabled equipment.\n\n[54 FR 12412, Mar. 24, 1989]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.333","heading":"Ventilation controls.","id":"75.333","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"D","subpartHeading":"Subpart D—Ventilation","text":"(a) For purposes of this section, “doors” include any door frames.\n\n(b) Permanent stoppings or other permanent ventilation control devices constructed after November 15, 1992, shall be built and maintained—\n\n(1) Between intake and return air courses, except temporary controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the room was developed including where continuous face haulage systems are used in such rooms. Unless otherwise approved in the ventilation plan, these stoppings or controls shall be maintained to and including the third connecting crosscut outby the working face;\n\n(2) To separate belt conveyor haulageways from return air courses, except where belt entries in areas of mines developed before March 30, 1970, are used as return air courses;\n\n(3) To separate belt conveyor haulageways from intake air courses when the air in the intake air courses is used to provide air to active working places. Temporary ventilation controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the rooms were developed including where continuous face haulage systems are used in such rooms. When continuous face haulage systems are used, permanent stoppings or other permanent ventilation control devices shall be built and maintained to the outby most point of travel of the dolly or 600 feet from the point of deepest penetration in the conveyor belt entry, whichever distance is closer to the point of deepest penetration, to separate the continuous haulage entry from the intake entries;\n\n(4) To separate the primary escapeway from belt and trolley haulage entries, as required by § 75.380(g). For the purposes of § 75.380(g), the loading point for a continuous haulage system shall be the outby most point of travel of the dolly or 600 feet from the point of deepest penetration, whichever distance is less; and\n\n(5) In return air courses to direct air into adjacent worked-out areas.\n\n(c) Personnel doors shall be constructed of noncombustible material and shall be of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between air courses, and shall be installed as follows in permanent stoppings constructed after November 15, 1992:\n\n(1) The distance between personnel doors shall be no more than 300 feet in seam heights below 48 inches and 600 feet in seam heights 48 inches or higher.\n\n(2) The location of all personnel doors in stoppings along escapeways shall be clearly marked so that the doors may be easily identified by anyone traveling in the escapeway and in the entries on either side of the doors.\n\n(3) When not in use, personnel doors shall be closed.\n\n(4) An airlock shall be established where the air pressure differential between air courses creates a static force exceeding 125 pounds on closed personnel doors along escapeways.\n\n(d) Doors, other than personnel doors, constructed after November 15, 1992, that are used in lieu of permanent stoppings or to control ventilation within an air course shall be:\n\n(1) Made of noncombustible material or coated on all accessible surfaces with flame-retardant materials having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(2) Of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between or within air courses or entries.\n\n(3) Installed in pairs to form an airlock. When an airlock is used, one side of the airlock shall remain closed. When not in use, both sides shall be closed.\n\n(e)(1)(i) Except as provided in paragraphs (e)(2), (3), and (4) of this section, all overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after June 10, 1996, shall be constructed in a traditionally accepted method and of materials that have been demonstrated to perform adequately or in a method and of materials that have been tested and shown to have a minimum strength equal to or greater than the traditionally accepted in-mine controls. Tests may be performed under ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction” (Section 12-Transverse Load-Specimen Vertical, load, only), or the operator may conduct comparative in-mine tests. In-mine tests shall be designed to demonstrate the comparative strength of the proposed construction and a traditionally accepted in-mine control. The publication ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction,” is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(ii) All overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after November 15, 1992, shall be constructed of noncombustible material. Materials that are suitable for the construction of overcasts, undercasts, shaft partitions, permanent stoppings, and regulators include concrete, concrete block, brick, cinder block, tile, or steel. No ventilation controls installed after November 15, 1992, shall be constructed of aluminum.\n\n(2) In anthracite mines, permanent stoppings may be constructed of overlapping layers of hardwood mine boards, if the stoppings are a minimum 2 inches thick.\n\n(3) When timbers are used to create permanent stoppings in heaving or caving areas, the stoppings shall be coated on all accessible surfaces with a flame-retardant material having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(4) In anthracite mines, doors and regulators may be constructed of overlapping layers of hardwood boards, if the doors, door frames, and regulators are a minimum 2 inches thick.\n\n(f) When sealants are applied to ventilation controls, the sealant shall have a flame-spread index of 25 or less under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(g) Before mining is discontinued in an entry or room that is advanced more than 20 feet from the inby rib, a crosscut shall be made or line brattice shall be installed and maintained to provide adequate ventilation. When conditions such as methane liberation warrant a distance less than 20 feet, the approved ventilation plan shall specify the location of such rooms or entries and the maximum distance they will be developed before a crosscut is made or line brattice is installed.\n\n(h) All ventilation controls, including seals, shall be maintained to serve the purpose for which they were built.\n\n[61 FR 9829, Mar. 11, 1996; 61 FR 20877, May 8, 1996; 61 FR 26442, May 28, 1996; 61 FR 29288, 29289, June 10, 1996, as amended at 67 FR 38386, June 4, 2002; 71 FR 16668, Apr. 3, 2006; 73 FR 80612, Dec. 31, 2008; 80 FR 52991, Sept. 2, 2015; 91 FR 9448, Feb. 26, 2026]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.202","heading":"Protection from falls of roof, face and ribs.","id":"75.202","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Roof Support","text":"(a) The roof, face and ribs of areas where persons work or travel shall be supported or otherwise controlled to protect persons from hazards related to falls of the roof, face or ribs and coal or rock bursts.\n\n(b) No person shall work or travel under unsupported roof unless in accordance with this subpart.","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1202103","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666}}