{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1517515","name":"Island Mine #1","status":"Abandoned and Sealed","status_date":"2003-07-25","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Hopkins","nearest_town":"Madisonville, Ky","operator_id":"P23879","operator_name":"Hopkins County Coal LLC","controller_id":"C15455","controller_name":"Alliance Resource Partners LP","district":"C10","office":"Madisonville KY Field Office","employees":0,"latitude":37.327504,"longitude":-87.487673},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":1321},"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":"1517515","name":"Island Mine #1"},"operator":{"type":"operator","id":"P23879","name":"Hopkins County Coal LLC"},"controller":{"type":"controller","id":"C15455","name":"Alliance Resource Partners LP"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06602","name":"Andalex Resources B V"},"object":{"type":"mine","id":"1517515","name":"Island Mine #1"},"validFrom":"1950-01-01","validTo":"2006-08-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517515|C06602|1950-01-01|2006-08-08"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17573","name":"Andalex Resources Inc"},"object":{"type":"mine","id":"1517515","name":"Island Mine #1"},"validFrom":"1994-03-01","validTo":"1998-01-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517515|P17573|1994-03-01|1998-01-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06602","name":"Andalex Resources B V"},"object":{"type":"operator","id":"P17573","name":"Andalex Resources Inc"},"validFrom":"1994-03-01","validTo":"1998-01-23","current":false,"derived":true,"evidenceMineId":"1517515","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517515|P17573|1994-03-01|C06602|1950-01-01|72240"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23879","name":"Hopkins County Coal LLC"},"object":{"type":"mine","id":"1517515","name":"Island Mine #1"},"validFrom":"1998-01-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517515|P23879|1998-01-24|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15455","name":"Alliance Resource Partners LP"},"object":{"type":"mine","id":"1517515","name":"Island Mine #1"},"validFrom":"1998-01-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517515|C15455|1998-01-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15455","name":"Alliance Resource Partners LP"},"object":{"type":"operator","id":"P23879","name":"Hopkins County Coal LLC"},"validFrom":"1998-01-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517515","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517515|P23879|1998-01-24|C15455|1998-01-24|95655"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"mine","id":"1517515","name":"Island Mine #1"},"validFrom":"2006-08-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517515|C13408|2006-08-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"operator","id":"P17573","name":"Andalex Resources Inc"},"validFrom":"2006-08-09","validTo":"1998-01-23","current":false,"derived":true,"evidenceMineId":"1517515","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517515|P17573|1994-03-01|C13408|2006-08-09|89600"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":1,"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":90,"firstDate":"2000-01-07","lastDate":"2003-04-21","metrics":{"daysLost":414,"injuries":24,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"134566","DOCUMENT_NO":"220031140065","ACCIDENT_DT":"04/21/2003","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"1 A X C 33 #8 ENTRY 20 X 20 X 6 FT. MIDDLE INTAKE JULY 98","sourceDate":"2003-04-21"},{"SOURCE_ROW_NUMBER":"169077","DOCUMENT_NO":"220030870003","ACCIDENT_DT":"03/24/2003","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","NARRATIVE":"EE WAS WORKING ON A CABLE REEL ON SHUTTLE CAR, & A SCREWDRIVER HE WAS WORKING WITH SLIPPED & HIT EE OVER THE EYE CAUSING A LACERATION.","sourceDate":"2003-03-24"},{"SOURCE_ROW_NUMBER":"250900","DOCUMENT_NO":"220030070055","ACCIDENT_DT":"01/02/2003","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"#1 UNIT SPAD 7+46 INTERSECTION #6 ENTRY. 30 X 18 X 6.","sourceDate":"2003-01-02"},{"SOURCE_ROW_NUMBER":"220730","DOCUMENT_NO":"220023380012","ACCIDENT_DT":"11/25/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"3 RD NW SUBMAIN XCUT 40 BETWEEN 4 & 5 ENTRY. 30' X 18' X 5'. JULY 02.","sourceDate":"2002-11-25"},{"SOURCE_ROW_NUMBER":"216468","DOCUMENT_NO":"220023160044","ACCIDENT_DT":"11/07/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"3RD NW SUB MAIN X CUT 55 #2 ENTRY 70 BY 20 BY 7.OCT 2002.","sourceDate":"2002-11-07"},{"SOURCE_ROW_NUMBER":"237943","DOCUMENT_NO":"220023120001","ACCIDENT_DT":"11/04/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"1ST S.E. SUB PANEL #5 ENTRY X-CUT 12 SPAD 7+04 20 X 18 X 6. OCT. 2002","sourceDate":"2002-11-04"},{"SOURCE_ROW_NUMBER":"95819","DOCUMENT_NO":"220023100020","ACCIDENT_DT":"10/31/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"WEST MAINS 1-A X CUT 16 RETURN #2 ENTRY 30X20X6.","sourceDate":"2002-10-31"},{"SOURCE_ROW_NUMBER":"70087","DOCUMENT_NO":"220023080071","ACCIDENT_DT":"10/30/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"1ST SW RETURN XCUT 47-51, 28 X 20 X 6'. #1 & 2 ENTRY.","sourceDate":"2002-10-30"},{"SOURCE_ROW_NUMBER":"100102","DOCUMENT_NO":"220023080070","ACCIDENT_DT":"10/29/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"NWA RETURN XCUT 38 SPAD 19+21 #2 ENTRY XOUT.","sourceDate":"2002-10-29"},{"SOURCE_ROW_NUMBER":"169076","DOCUMENT_NO":"220023040024","ACCIDENT_DT":"10/24/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"1A-A RETURN XCUT 16 #2 ENTRY. 7200 FROM OUTSIDE. 30 X 18 X 6 .","sourceDate":"2002-10-24"},{"SOURCE_ROW_NUMBER":"83101","DOCUMENT_NO":"220023010103","ACCIDENT_DT":"10/23/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"N LW X CUT #6 ENTRY, CONTINUATION OF A FALL FROM9-6-02.","sourceDate":"2002-10-23"},{"SOURCE_ROW_NUMBER":"91566","DOCUMENT_NO":"220023010106","ACCIDENT_DT":"10/22/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"THIRD N.W. SUBMAINS XCUT 45 SPAD 24+31, 2 & 3 ENTRY. 60' X 19'W X 6'H.","sourceDate":"2002-10-22"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2003-07-25","lastDate":"2003-07-25","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":231,"firstDate":"2000-01-10","lastDate":"2003-04-09","metrics":{"ss":25,"delinquent":231,"recentRows":0,"paidPenalty":16352,"proposedPenalty":25591,"currentAssessment":16352},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1262509","VIOLATION_NO":"7652524","ISSUE_DT":"04/09/2003","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"340.00","CURRENT_ASSESSMENT_AMT":"340.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-04-09"},{"SOURCE_ROW_NUMBER":"1262508","VIOLATION_NO":"7652523","ISSUE_DT":"04/09/2003","CFR_STANDARD_CD":"75.403","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"340.00","CURRENT_ASSESSMENT_AMT":"340.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-04-09"},{"SOURCE_ROW_NUMBER":"1260805","VIOLATION_NO":"7652389","ISSUE_DT":"03/09/2003","CFR_STANDARD_CD":"75.360(f)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1500.00","CURRENT_ASSESSMENT_AMT":"0.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"1260804","VIOLATION_NO":"7652388","ISSUE_DT":"03/09/2003","CFR_STANDARD_CD":"75.606","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"340.00","CURRENT_ASSESSMENT_AMT":"340.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"1260803","VIOLATION_NO":"7652387","ISSUE_DT":"03/09/2003","CFR_STANDARD_CD":"75.402","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"3800.00","CURRENT_ASSESSMENT_AMT":"0.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"1260802","VIOLATION_NO":"7652386","ISSUE_DT":"03/09/2003","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"3800.00","CURRENT_ASSESSMENT_AMT":"0.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"1260801","VIOLATION_NO":"7652382","ISSUE_DT":"03/05/2003","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-05"},{"SOURCE_ROW_NUMBER":"1260800","VIOLATION_NO":"7652381","ISSUE_DT":"03/05/2003","CFR_STANDARD_CD":"75.1100-3","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-05"},{"SOURCE_ROW_NUMBER":"1260799","VIOLATION_NO":"7652379","ISSUE_DT":"02/26/2003","CFR_STANDARD_CD":"75.1909(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-02-26"},{"SOURCE_ROW_NUMBER":"1260798","VIOLATION_NO":"7652187","ISSUE_DT":"01/29/2003","CFR_STANDARD_CD":"75.321(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-01-29"},{"SOURCE_ROW_NUMBER":"1260797","VIOLATION_NO":"7652184","ISSUE_DT":"01/15/2003","CFR_STANDARD_CD":"77.1607(i)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-01-15"},{"SOURCE_ROW_NUMBER":"1260796","VIOLATION_NO":"7652183","ISSUE_DT":"01/14/2003","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-01-14"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":14,"firstDate":"2000-07-10","lastDate":"2004-06-15","metrics":{"appeals":0,"decisions":14,"recentRows":0,"decisionPenalty":2862,"originalPenalty":12609},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"181782","VIOLATION_NO":"7652386","DOCKET_NO":"KENT 2004-81","DECISION_DT":"06/15/2004","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"3800.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2004-06-15"},{"SOURCE_ROW_NUMBER":"181724","VIOLATION_NO":"7652387","DOCKET_NO":"KENT 2004-81","DECISION_DT":"06/15/2004","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"3800.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2004-06-15"},{"SOURCE_ROW_NUMBER":"675","VIOLATION_NO":"7652389","DOCKET_NO":"KENT 2004-81","DECISION_DT":"06/15/2004","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1500.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2004-06-15"},{"SOURCE_ROW_NUMBER":"471336","VIOLATION_NO":"7645838","DOCKET_NO":"KENT20010238","DECISION_DT":"02/20/2003","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"277.00","DECISION_PENALTY_AMT":"138.00","JUDGE_FIRST_NAME":"Irwin","JUDGE_LAST_NAME":"Schroeder","sourceDate":"2003-02-20"},{"SOURCE_ROW_NUMBER":"471334","VIOLATION_NO":"7637124","DOCKET_NO":"KENT20000096","DECISION_DT":"10/03/2000","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"557.00","DECISION_PENALTY_AMT":"400.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2000-10-03"},{"SOURCE_ROW_NUMBER":"174171","VIOLATION_NO":"7637084","DOCKET_NO":"KENT20000096","DECISION_DT":"10/03/2000","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"55.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2000-10-03"},{"SOURCE_ROW_NUMBER":"471678","VIOLATION_NO":"7639140","DOCKET_NO":"KENT20000096","DECISION_DT":"10/02/2000","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"750.00","DECISION_PENALTY_AMT":"750.00","JUDGE_FIRST_NAME":"Gary","JUDGE_LAST_NAME":"Melick","sourceDate":"2000-10-02"},{"SOURCE_ROW_NUMBER":"470826","VIOLATION_NO":"7639139","DOCKET_NO":"KENT20000096","DECISION_DT":"10/02/2000","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"500.00","DECISION_PENALTY_AMT":"500.00","JUDGE_FIRST_NAME":"Gary","JUDGE_LAST_NAME":"Melick","sourceDate":"2000-10-02"},{"SOURCE_ROW_NUMBER":"174172","VIOLATION_NO":"7639141","DOCKET_NO":"KENT20000096","DECISION_DT":"10/02/2000","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"750.00","DECISION_PENALTY_AMT":"750.00","JUDGE_FIRST_NAME":"Gary","JUDGE_LAST_NAME":"Melick","sourceDate":"2000-10-02"},{"SOURCE_ROW_NUMBER":"472221","VIOLATION_NO":"7640374","DOCKET_NO":"KENT20000182","DECISION_DT":"09/19/2000","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"55.00","DECISION_PENALTY_AMT":"55.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2000-09-19"},{"SOURCE_ROW_NUMBER":"472109","VIOLATION_NO":"7640556","DOCKET_NO":"KENT20000098","DECISION_DT":"07/10/2000","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"196.00","DECISION_PENALTY_AMT":"55.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2000-07-10"},{"SOURCE_ROW_NUMBER":"471335","VIOLATION_NO":"7640459","DOCKET_NO":"KENT20000097","DECISION_DT":"07/10/2000","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"55.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2000-07-10"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":456,"firstDate":"2000-01-04","lastDate":"2003-04-02","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":36,"validSamples":420,"maxConcentration":7.651,"concentrationTotal":465.425},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1583237","CASS_NUM":"57524135","SMP_TAKEN_DT":"4/2/2003","CONC":".153","SMP_TYPE_CD_DESC":"INTAKE AIR","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2003-04-02"},{"SOURCE_ROW_NUMBER":"989067","CASS_NUM":"57524167","SMP_TAKEN_DT":"4/2/2003","CONC":"1.067","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":"2003-04-02"},{"SOURCE_ROW_NUMBER":"869708","CASS_NUM":"57524159","SMP_TAKEN_DT":"4/2/2003","CONC":"1.233","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":"2003-04-02"},{"SOURCE_ROW_NUMBER":"752348","CASS_NUM":"57524169","SMP_TAKEN_DT":"4/2/2003","CONC":"1.221","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":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2003-04-02"},{"SOURCE_ROW_NUMBER":"541411","CASS_NUM":"57524163","SMP_TAKEN_DT":"4/2/2003","CONC":"2.426","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":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2003-04-02"},{"SOURCE_ROW_NUMBER":"513095","CASS_NUM":"57524165","SMP_TAKEN_DT":"4/2/2003","CONC":".511","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2003-04-02"},{"SOURCE_ROW_NUMBER":"197146","CASS_NUM":"57524113","SMP_TAKEN_DT":"4/2/2003","CONC":"1.457","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":"2003-04-02"},{"SOURCE_ROW_NUMBER":"100075","CASS_NUM":"57524174","SMP_TAKEN_DT":"4/2/2003","CONC":".89","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":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2003-04-02"},{"SOURCE_ROW_NUMBER":"1641987","CASS_NUM":"50666880","SMP_TAKEN_DT":"3/5/2003","CONC":"1.469","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":"2003-03-05"},{"SOURCE_ROW_NUMBER":"918122","CASS_NUM":"50666907","SMP_TAKEN_DT":"3/4/2003","CONC":"1.808","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":"2003-03-04"},{"SOURCE_ROW_NUMBER":"858681","CASS_NUM":"50666872","SMP_TAKEN_DT":"3/4/2003","CONC":".253","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":"2003-03-04"},{"SOURCE_ROW_NUMBER":"1165193","CASS_NUM":"50666873","SMP_TAKEN_DT":"3/3/2003","CONC":"2.492","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":"2003-03-03"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":13,"firstDate":"2000-02-08","lastDate":"2003-05-08","metrics":{"linkedIssuances":13},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":3,"firstDate":"2003-03-09","lastDate":"2003-03-09","metrics":{"decisions":3,"ssChanged":0,"recentRows":0,"decisionPenalty":0,"proposedPenalty":9100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"112705","CITATION_NO":"7652389","CITATION_ISSUE_DT":"03/09/2003","DOCKET_NO":"KENT 2004-81","DECISION_DT":"06/15/2004","CFR_STANDARD_CODE":"75.360(f)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1500.00","DECISION_PENALTY_AMT":".00","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"56433","CITATION_NO":"7652386","CITATION_ISSUE_DT":"03/09/2003","DOCKET_NO":"KENT 2004-81","DECISION_DT":"06/15/2004","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"3800.00","DECISION_PENALTY_AMT":".00","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"61","CITATION_NO":"7652387","CITATION_ISSUE_DT":"03/09/2003","DOCKET_NO":"KENT 2004-81","DECISION_DT":"06/15/2004","CFR_STANDARD_CODE":"75.402","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"3800.00","DECISION_PENALTY_AMT":".00","sourceDate":"2003-03-09"}]},{"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":"1994-03-01","lastDate":"1998-01-24","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":115,"firstDate":"2000-01-04","lastDate":"2003-10-28","metrics":{"inspectors":165,"recentRows":0,"onSiteHours":2961.25,"inspectionHours":4868,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"660388","EVENT_NO":"4284246","INSPECTION_BEGIN_DT":"10/28/2003","INSPECTION_END_DT":"10/28/2003","ACTIVITY_CODE":"CBC","ACTIVITY":"ELECTRICAL SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2003-10-28"},{"SOURCE_ROW_NUMBER":"336343","EVENT_NO":"4284690","INSPECTION_BEGIN_DT":"07/01/2003","INSPECTION_END_DT":"09/30/2003","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2003-07-01"},{"SOURCE_ROW_NUMBER":"356333","EVENT_NO":"4283853","INSPECTION_BEGIN_DT":"04/02/2003","INSPECTION_END_DT":"04/10/2003","ACTIVITY_CODE":"BAB","ACTIVITY":"RESP DUST TECH INSP - U. G. MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2003-04-02"},{"SOURCE_ROW_NUMBER":"169380","EVENT_NO":"4283548","INSPECTION_BEGIN_DT":"04/01/2003","INSPECTION_END_DT":"06/20/2003","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"71","SUM_TOTAL_ON_SITE_HOURS":"42","sourceDate":"2003-04-01"},{"SOURCE_ROW_NUMBER":"482941","EVENT_NO":"4283933","INSPECTION_BEGIN_DT":"01/22/2003","INSPECTION_END_DT":"02/06/2003","ACTIVITY_CODE":"BAB","ACTIVITY":"RESP DUST TECH INSP - U. G. MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.75","SUM_TOTAL_ON_SITE_HOURS":"10.25","sourceDate":"2003-01-22"},{"SOURCE_ROW_NUMBER":"996469","EVENT_NO":"4282910","INSPECTION_BEGIN_DT":"01/02/2003","INSPECTION_END_DT":"03/25/2003","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"7","SUM_TOTAL_INSP_HOURS":"303.5","SUM_TOTAL_ON_SITE_HOURS":"213.5","sourceDate":"2003-01-02"},{"SOURCE_ROW_NUMBER":"495653","EVENT_NO":"4283657","INSPECTION_BEGIN_DT":"11/07/2002","INSPECTION_END_DT":"11/15/2002","ACTIVITY_CODE":"CCC","ACTIVITY":"VENTILATION TECHNICAL INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"28","SUM_TOTAL_ON_SITE_HOURS":"17.25","sourceDate":"2002-11-07"},{"SOURCE_ROW_NUMBER":"518149","EVENT_NO":"4283829","INSPECTION_BEGIN_DT":"11/06/2002","INSPECTION_END_DT":"11/14/2002","ACTIVITY_CODE":"BAB","ACTIVITY":"RESP DUST TECH INSP - U. G. MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"9.25","sourceDate":"2002-11-06"},{"SOURCE_ROW_NUMBER":"507794","EVENT_NO":"4283828","INSPECTION_BEGIN_DT":"11/05/2002","INSPECTION_END_DT":"11/14/2002","ACTIVITY_CODE":"BAB","ACTIVITY":"RESP DUST TECH INSP - U. G. MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.75","SUM_TOTAL_ON_SITE_HOURS":"9.25","sourceDate":"2002-11-05"},{"SOURCE_ROW_NUMBER":"549378","EVENT_NO":"4283827","INSPECTION_BEGIN_DT":"11/04/2002","INSPECTION_END_DT":"12/09/2002","ACTIVITY_CODE":"BAB","ACTIVITY":"RESP DUST TECH INSP - U. G. MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"9.25","sourceDate":"2002-11-04"},{"SOURCE_ROW_NUMBER":"366322","EVENT_NO":"4283878","INSPECTION_BEGIN_DT":"11/01/2002","INSPECTION_END_DT":"11/14/2002","ACTIVITY_CODE":"BAB","ACTIVITY":"RESP DUST TECH INSP - U. G. MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"24.5","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2002-11-01"},{"SOURCE_ROW_NUMBER":"49977","EVENT_NO":"4283879","INSPECTION_BEGIN_DT":"11/01/2002","INSPECTION_END_DT":"11/14/2002","ACTIVITY_CODE":"BAB","ACTIVITY":"RESP DUST TECH INSP - U. G. MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"9.25","sourceDate":"2002-11-01"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":46,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2003-Q3":{"hours":0,"employees":0,"production":0},"2003-Q2":{"hours":6368,"employees":52,"production":32232},"2003-Q1":{"hours":37181,"employees":53,"production":142180},"2002-Q4":{"hours":36037,"employees":63,"production":143921},"2002-Q3":{"hours":36710,"employees":57,"production":131409},"2002-Q2":{"hours":39096,"employees":63,"production":144173},"2002-Q1":{"hours":43019,"employees":64,"production":153130},"2001-Q4":{"hours":38932,"employees":64,"production":158866},"2001-Q3":{"hours":38102,"employees":64,"production":148427},"2001-Q2":{"hours":39628,"employees":65,"production":163918},"2001-Q1":{"hours":44132,"employees":65,"production":184347},"2000-Q4":{"hours":42583,"employees":65,"production":157774}},"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":229398,"employees":94,"production":1319430},"2001":{"hours":160794,"employees":69,"production":655558},"2002":{"hours":154862,"employees":63,"production":572633},"2003":{"hours":43549,"employees":55,"production":174412}},"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":"2002-06-25","metrics":{"recentRows":0,"doseOver100":7,"actDoseTotal":2726,"pelDoseTotal":1997},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"60716","EVENT_NO":"4283167","SURVEY_DATE":"06/25/2002","OCCUPATION_CD_DESC":"SUPPLY MAN","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"40","PEL_DOSE_90":"28","SURVEY_TYPE":"I","sourceDate":"2002-06-25"},{"SOURCE_ROW_NUMBER":"60715","EVENT_NO":"4283136","SURVEY_DATE":"06/12/2002","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"20","MANUFACTURER_CD":"120","ACT_DOSE_85":"22","PEL_DOSE_90":"10","SURVEY_TYPE":"I","sourceDate":"2002-06-12"},{"SOURCE_ROW_NUMBER":"60714","EVENT_NO":"4283136","SURVEY_DATE":"06/12/2002","OCCUPATION_CD_DESC":"SUPPLY MAN","MACHINE_CD":"38","MANUFACTURER_CD":"119","ACT_DOSE_85":"134","PEL_DOSE_90":"126","SURVEY_TYPE":"I","sourceDate":"2002-06-12"},{"SOURCE_ROW_NUMBER":"60713","EVENT_NO":"4283136","SURVEY_DATE":"06/12/2002","OCCUPATION_CD_DESC":"BELT MAN/CONVEYOR MAN","MACHINE_CD":"20","MANUFACTURER_CD":"120","ACT_DOSE_85":"32","PEL_DOSE_90":"14","SURVEY_TYPE":"I","sourceDate":"2002-06-12"},{"SOURCE_ROW_NUMBER":"60712","EVENT_NO":"4283134","SURVEY_DATE":"06/10/2002","OCCUPATION_CD_DESC":"ROOF BOLTER (SINGLE HEAD)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"65","PEL_DOSE_90":"45","SURVEY_TYPE":"I","sourceDate":"2002-06-10"},{"SOURCE_ROW_NUMBER":"60711","EVENT_NO":"4283134","SURVEY_DATE":"06/10/2002","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"140","PEL_DOSE_90":"130","SURVEY_TYPE":"I","sourceDate":"2002-06-10"},{"SOURCE_ROW_NUMBER":"60710","EVENT_NO":"4283134","SURVEY_DATE":"06/10/2002","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"130","PEL_DOSE_90":"116","SURVEY_TYPE":"I","sourceDate":"2002-06-10"},{"SOURCE_ROW_NUMBER":"60709","EVENT_NO":"4283134","SURVEY_DATE":"06/10/2002","OCCUPATION_CD_DESC":"ROOF BOLTER (SINGLE HEAD)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"85","PEL_DOSE_90":"59","SURVEY_TYPE":"I","sourceDate":"2002-06-10"},{"SOURCE_ROW_NUMBER":"60708","EVENT_NO":"4283134","SURVEY_DATE":"06/10/2002","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"186","PEL_DOSE_90":"129","SURVEY_TYPE":"I","sourceDate":"2002-06-10"},{"SOURCE_ROW_NUMBER":"60707","EVENT_NO":"4282533","SURVEY_DATE":"10/02/2001","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"59","PEL_DOSE_90":"36","SURVEY_TYPE":"I","sourceDate":"2001-10-02"},{"SOURCE_ROW_NUMBER":"60706","EVENT_NO":"4282533","SURVEY_DATE":"10/02/2001","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"68","PEL_DOSE_90":"41","SURVEY_TYPE":"I","sourceDate":"2001-10-02"},{"SOURCE_ROW_NUMBER":"60705","EVENT_NO":"4282533","SURVEY_DATE":"10/02/2001","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"58","PEL_DOSE_90":"33","SURVEY_TYPE":"I","sourceDate":"2001-10-02"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":60,"firstDate":"2000-02-23","lastDate":"2003-04-02","metrics":{"recentRows":0,"voidSamples":0,"maxQuartzPct":8.9,"validSamples":60,"quartzPctTotal":123.4},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"159975","CASSETTE_NO":"57524159","SAMPLE_DT":"04/02/2003","QUARTZ_PCT":"01.5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2003-04-02"},{"SOURCE_ROW_NUMBER":"65070","CASSETTE_NO":"57524113","SAMPLE_DT":"04/02/2003","QUARTZ_PCT":"03.0","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2003-04-02"},{"SOURCE_ROW_NUMBER":"78837","CASSETTE_NO":"57427463","SAMPLE_DT":"01/22/2003","QUARTZ_PCT":"01.4","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2003-01-22"},{"SOURCE_ROW_NUMBER":"24541","CASSETTE_NO":"57427467","SAMPLE_DT":"01/22/2003","QUARTZ_PCT":"00.6","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2003-01-22"},{"SOURCE_ROW_NUMBER":"1109","CASSETTE_NO":"57427447","SAMPLE_DT":"01/22/2003","QUARTZ_PCT":"00.4","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2003-01-22"},{"SOURCE_ROW_NUMBER":"135113","CASSETTE_NO":"57415631","SAMPLE_DT":"11/05/2002","QUARTZ_PCT":"01.4","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2002-11-05"},{"SOURCE_ROW_NUMBER":"109406","CASSETTE_NO":"57415640","SAMPLE_DT":"11/05/2002","QUARTZ_PCT":"01.5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2002-11-05"},{"SOURCE_ROW_NUMBER":"49544","CASSETTE_NO":"57415713","SAMPLE_DT":"11/05/2002","QUARTZ_PCT":"01.6","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2002-11-05"},{"SOURCE_ROW_NUMBER":"50700","CASSETTE_NO":"57415694","SAMPLE_DT":"11/04/2002","QUARTZ_PCT":"02.4","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2002-11-04"},{"SOURCE_ROW_NUMBER":"155630","CASSETTE_NO":"57416553","SAMPLE_DT":"10/02/2002","QUARTZ_PCT":"02.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2002-10-02"},{"SOURCE_ROW_NUMBER":"148244","CASSETTE_NO":"57416141","SAMPLE_DT":"10/02/2002","QUARTZ_PCT":"02.0","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2002-10-02"},{"SOURCE_ROW_NUMBER":"63473","CASSETTE_NO":"57416386","SAMPLE_DT":"08/12/2002","QUARTZ_PCT":"03.2","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2002-08-12"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":236,"firstDate":"2000-01-10","lastDate":"2003-04-09","metrics":{"ss":26,"amountDue":16352,"contested":4,"amountPaid":16352,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":25591},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"894888","VIOLATION_NO":"7652524","VIOLATION_ISSUE_DT":"04/09/2003","SIG_SUB":"Y","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"14","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/09/2003","PROPOSED_PENALTY":"340","AMOUNT_DUE":"340","AMOUNT_PAID":"340","CONTESTED_IND":"N","sourceDate":"2003-04-09"},{"SOURCE_ROW_NUMBER":"894887","VIOLATION_NO":"7652523","VIOLATION_ISSUE_DT":"04/09/2003","SIG_SUB":"Y","PART_SECTION":"75.403","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"14","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/10/2003","PROPOSED_PENALTY":"340","AMOUNT_DUE":"340","AMOUNT_PAID":"340","CONTESTED_IND":"N","sourceDate":"2003-04-09"},{"SOURCE_ROW_NUMBER":"894847","VIOLATION_NO":"7652389","VIOLATION_ISSUE_DT":"03/09/2003","SIG_SUB":"Y","PART_SECTION":"75.360(f)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"13","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/09/2003","PROPOSED_PENALTY":"1500","AMOUNT_DUE":"0","AMOUNT_PAID":"0","CONTESTED_IND":"Y","DOCKET_NO":"KENT 2004-81","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"894846","VIOLATION_NO":"7652388","VIOLATION_ISSUE_DT":"03/09/2003","SIG_SUB":"Y","PART_SECTION":"75.606","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"03/10/2003","PROPOSED_PENALTY":"340","AMOUNT_DUE":"340","AMOUNT_PAID":"340","CONTESTED_IND":"N","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"894845","VIOLATION_NO":"7652387","VIOLATION_ISSUE_DT":"03/09/2003","SIG_SUB":"Y","PART_SECTION":"75.402","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"13","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"03/10/2003","PROPOSED_PENALTY":"3800","AMOUNT_DUE":"0","AMOUNT_PAID":"0","CONTESTED_IND":"Y","DOCKET_NO":"KENT 2004-81","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"894844","VIOLATION_NO":"7652386","VIOLATION_ISSUE_DT":"03/09/2003","SIG_SUB":"Y","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"13","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"03/10/2003","PROPOSED_PENALTY":"3800","AMOUNT_DUE":"0","AMOUNT_PAID":"0","CONTESTED_IND":"Y","DOCKET_NO":"KENT 2004-81","sourceDate":"2003-03-09"},{"SOURCE_ROW_NUMBER":"894843","VIOLATION_NO":"7652382","VIOLATION_ISSUE_DT":"03/05/2003","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/25/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-03-05"},{"SOURCE_ROW_NUMBER":"894842","VIOLATION_NO":"7652381","VIOLATION_ISSUE_DT":"03/05/2003","SIG_SUB":"N","PART_SECTION":"75.1100-3","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/05/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-03-05"},{"SOURCE_ROW_NUMBER":"894841","VIOLATION_NO":"7652379","VIOLATION_ISSUE_DT":"02/26/2003","SIG_SUB":"N","PART_SECTION":"75.1909(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/26/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-02-26"},{"SOURCE_ROW_NUMBER":"894840","VIOLATION_NO":"7652187","VIOLATION_ISSUE_DT":"01/29/2003","SIG_SUB":"N","PART_SECTION":"75.321(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/04/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-01-29"},{"SOURCE_ROW_NUMBER":"894839","VIOLATION_NO":"7652184","VIOLATION_ISSUE_DT":"01/15/2003","SIG_SUB":"N","PART_SECTION":"77.1607(i)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/15/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-01-15"},{"SOURCE_ROW_NUMBER":"894838","VIOLATION_NO":"7652183","VIOLATION_ISSUE_DT":"01/14/2003","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/21/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-01-14"}]}],"safety":{"href":"/api/v1/mines/1517515/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1517515/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.400","heading":"Accumulation of combustible materials.","id":"75.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"Coal dust, including float coal dust deposited on rock-dusted surfaces, loose coal, and other combustible materials, shall be cleaned up and not be permitted to accumulate in active workings, or on diesel-powered and electric equipment therein.\n\n[61 FR 55527, Oct. 25, 1996]","occurrenceCount":4},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.403","heading":"Maintenance of incombustible content of rock dust.","id":"75.403","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"Where rock dust is required to be applied, it shall be distributed upon the top, floor, and sides of all underground areas of a coal mine and maintained in such quantities that the incombustible content of the combined coal dust, rock dust, and other dust shall be not less than 80 percent. Where methane is present in any ventilating current, the percent of incombustible content of such combined dust shall be increased 0.4 percent for each 0.1 percent of methane.\n\n[75 FR 57857, Sept. 23, 2010; 76 FR 35978, June 21, 2011]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.360","heading":"Preshift examination at fixed intervals.","id":"75.360","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360","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) Except as provided in paragraph (a)(2) of this section, a certified person designated by the operator must make a preshift examination within 3 hours preceding the beginning of any 8-hour interval during which any person is scheduled to work or travel underground. No person other than certified examiners may enter or remain in any underground area unless a preshift examination has been completed for the established 8-hour interval. The operator must establish 8-hour intervals of time subject to the required preshift examinations.\n\n(2) Preshift examinations of areas where pumpers are scheduled to work or travel shall not be required prior to the pumper entering the areas if the pumper is a certified person and the pumper conducts an examination for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(11) of this section, tests for methane and oxygen deficiency, and determines if the air is moving in its proper direction in the area where the pumper works or travels. The examination of the area must be completed before the pumper performs any other work. A record of all hazardous conditions and violations of the mandatory health or safety standards found by the pumper shall be made and retained in accordance with § 75.363 of this part.\n\n(b) The person conducting the preshift examination shall examine for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(11) of this section, test for methane and oxygen deficiency, and determine if the air is moving in its proper direction at the following locations:\n\n(1) Roadways, travelways and track haulageways where persons are scheduled, prior to the beginning of the preshift examination, to work or travel during the oncoming shift.\n\n(2) Belt conveyors that will be used to transport persons during the oncoming shift and the entries in which these belt conveyors are located.\n\n(3) Working sections and areas where mechanized mining equipment is being installed or removed, if anyone is scheduled to work on the section or in the area during the oncoming shift. The scope of the examination shall include the working places, approaches to worked-out areas and ventilation controls on these sections and in these areas, and the examination shall include tests of the roof, face and rib conditions on these sections and in these areas.\n\n(4) Approaches to worked-out areas along intake air courses and at the entries used to carry air into worked-out areas if the intake air passing the approaches is used to ventilate working sections where anyone is scheduled to work during the oncoming shift. The examination of the approaches to the worked-out areas shall be made in the intake air course immediately inby and outby each entry used to carry air into the worked-out area. An examination of the entries used to carry air into the worked-out areas shall be conducted at a point immediately inby the intersection of each entry with the intake air course.\n\n(5) Seals along intake air courses where intake air passes by a seal to ventilate working sections where anyone is scheduled to work during the oncoming shift.\n\n(6)(i) Entries and rooms developed after November 15, 1992, and developed more than 2 crosscuts off an intake air course without permanent ventilation controls where intake air passes through or by these entries or rooms to reach a working section where anyone is scheduled to work during the oncoming shift; and,\n\n(ii) Entries and rooms developed after November 15, 1992, and driven more than 20 feet off an intake air course without a crosscut and without permanent ventilation controls where intake air passes through or by these entries or rooms to reach a working section where anyone is scheduled to work during the oncoming shift.\n\n(7) Areas where trolley wires or trolley feeder wires are to be or will remain energized during the oncoming shift.\n\n(8) High spots along intake air courses where methane is likely to accumulate, if equipment will be operated in the area during the shift.\n\n(9) Underground electrical installations referred to in § 75.340(a), except those pumps listed in § 75.340 (b)(2) through (b)(6), and areas where compressors subject to § 75.344 are installed if the electrical installation or compressor is or will be energized during the shift.\n\n(10) Other areas where work or travel during the oncoming shift is scheduled prior to the beginning of the preshift examination.\n\n(11) Preshift examinations shall include examinations to identify violations of the standards listed below:\n\n(i) §§ 75.202(a) and 75.220(a)(1)—roof control;\n\n(ii) §§ 75.333(h) and 75.370(a)(1)—ventilation, methane;\n\n(iii) §§ 75.400 and 75.403—accumulations of combustible materials and application of rock dust;\n\n(iv) § 75.1403—other safeguards, limited to maintenance of travelways along belt conveyors, off track haulage roadways, and track haulage, track switches, and other components for haulage;\n\n(v) § 75.1722(a)—guarding moving machine parts; and\n\n(vi) § 75.1731(a)—maintenance of belt conveyor components.\n\n(c) The person conducting the preshift examination shall determine the volume of air entering each of the following areas if anyone is scheduled to work in the areas during the oncoming shift:\n\n(1) In the last open crosscut of each set of entries or rooms on each working section and areas where mechanized mining equipment is being installed or removed. The last open crosscut is the crosscut in the line of pillars containing the permanent stoppings that separate the intake air courses and the return air courses.\n\n(2) On each longwall or shortwall in the intake entry or entries at the intake end of the longwall or shortwall face immediately outby the face and the velocity of air at each end of the face at the locations specified in the approved ventilation plan.\n\n(3) At the intake end of any pillar line—\n\n(i) If a single split of air is used, in the intake entry furthest from the return air course, immediately outby the first open crosscut outby the line of pillars being mined; or\n\n(ii) If a split system is used, in the intake entries of each split immediately inby the split point.\n\n(d) The person conducting the preshift examination shall check the refuge alternative for damage, the integrity of the tamper-evident seal and the mechanisms required to deploy the refuge alternative, and the ready availability of compressed oxygen and air.\n\n(e) The district manager may require the operator to examine other areas of the mine or examine for other hazards and violations of other mandatory health or safety standards found during the preshift examination.\n\n(f) Certification. At each working place examined, the person doing the preshift examination shall certify by initials, date, and the time, that the examination was made. In areas required to be examined outby a working section, the certified person shall certify by initials, date, and the time at enough locations to show that the entire area has been examined.\n\n(g) Recordkeeping. A record of the results of each preshift examination, including a record of hazardous conditions and violations of the nine mandatory health or safety standards and their locations found by the examiner during each examination, and of the results and locations of air and methane measurements, shall be made on the surface before any persons, other than certified persons conducting examinations required by this subpart, enter any underground area of the mine. The results of methane tests shall be recorded as the percentage of methane measured by the examiner. The record shall be made by the certified person who made the examination or by a person designated by the operator. If the record is made by someone other than the examiner, the examiner shall verify the record by initials and date by or at the end of the shift for which the examination was made. A record shall also be made by a certified person of the action taken to correct hazardous conditions and violations of mandatory health or safety standards found during the preshift examination. All preshift and corrective action records shall be countersigned by the mine foreman or equivalent mine official by the end of the mine foreman's or equivalent mine official's next regularly scheduled working shift. The records required by this section shall be made 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(h) Retention period. Records shall be retained at a surface location at the mine for at least 1 year and shall be made available for inspection by authorized representatives of the Secretary and the representative of miners.\n\n[61 FR 9829, Mar. 11, 1996, as amended at 61 FR 55527, Oct. 25, 1996; 62 FR 35085, June 30, 1997; 64 FR 45170, Aug. 19, 1999; 73 FR 80697, Dec. 31, 2008; 77 FR 20714, Apr. 6, 2012]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.606","heading":"Protection of trailing cables.","id":"75.606","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.606","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"G","subpartHeading":"Subpart G—Trailing Cables","text":"[Statutory Provisions]\n\nTrailing cables shall be adequately protected to prevent damage by mobile equipment.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.402","heading":"Rock dusting.","id":"75.402","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.402","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"[Statutory Provision]\n\nAll underground areas of a coal mine, except those areas in which the dust is too wet or too high in incombustible content to propagate an explosion, shall be rock dusted to within 40 feet of all working faces, unless such areas are inaccessible or unsafe to enter or unless the Secretary or his authorized representative permits an exception upon his finding that such exception will not pose a hazard to the miners. All crosscuts that are less than 40 feet from a working face shall also be rock dusted.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1100-3","heading":"Condition and examination of firefighting equipment.","id":"75.1100-3","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"All firefighting equipment shall be maintained in a usable and operative condition. Chemical extinguishers shall be examined every 6 months and the date of the examination shall be written on a permanent tag attached to the extinguisher.\n\n[35 FR 17890, Nov. 20, 1970, as amended at 60 FR 33723, June 29, 1995]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1909","heading":"Nonpermissible diesel-powered equipment; design and performance requirements.","id":"75.1909","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-T/section-75.1909","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"T","subpartHeading":"Subpart T—Diesel-Powered Equipment","text":"(a) Nonpermissible diesel-powered equipment, except for the special category of equipment under § 75.1908(d), must be equipped with the following features:\n\n(1) An engine approved under subpart E of part 7 of this title equipped with an air filter sized in accordance with the engine manufacturer's recommendations, and an air filter service indicator set in accordance with the engine manufacturer's recommendations;\n\n(2) At least one portable multipurpose dry chemical type (ABC) fire extinguisher listed or approved by a nationally recognized independent testing laboratory with a 10A:60B:C or higher rating. The fire extinguisher must be located within easy reach of the equipment operator and protected from damage;\n\n(3) A fuel system specifically designed for diesel fuel meeting the following requirements:\n\n(i) A fuel tank and fuel lines that do not leak;\n\n(ii) A fuel tank that is substantially constructed and protected against damage by collision;\n\n(iii) A vent opening that maintains atmospheric pressure in the fuel tank, and that is designed to prevent fuel from splashing out of the vent opening;\n\n(iv) A self-closing filler cap on the fuel tank;\n\n(v) The fuel tank, filler and vent must be located so that leaks or spillage during refueling will not contact hot surfaces;\n\n(vi) Fuel line piping must be either steel-wire reinforced; synthetic elastomer-covered hose suitable for use with diesel fuel that has been tested and has been determined to be fire-resistant by the manufacturer; or metal;\n\n(vii) Fuel line piping must be clamped;\n\n(viii) Primary fuel lines must be located so that fuel line leaks do not contact hot surfaces;\n\n(ix) The fuel lines must be separated from electrical wiring and protected from damage in ordinary use;\n\n(x) A manual shutoff valve must be installed in the fuel system as close as practicable to the tank; and\n\n(xi) A water separator and fuel filter(s) must be provided.\n\n(4) A sensor to monitor the temperature and provide a visual warning of an overheated cylinder head on air-cooled engines;\n\n(5) Guarding to protect fuel, hydraulic, and electric lines when such lines pass near rotating parts or in the event of shaft failure;\n\n(6) Hydraulic tanks, fillers, vents, and lines located to prevent spillage or leaks from contacting hot surfaces;\n\n(7) Reflectors or warning lights mounted on the equipment which can be readily seen in all directions;\n\n(8) A means to direct exhaust gas away from the equipment operator, persons on board the machine, and combustible machine components;\n\n(9) A means to prevent unintentional free and uncontrolled descent of personnel-elevating work platforms; and\n\n(10) A means to prevent the spray from ruptured hydraulic or lubricating oil lines from being ignited by contact with engine exhaust system component surfaces.\n\n(b) Self-propelled nonpermissible diesel-powered equipment must have the following features in addition to those in paragraph (a):\n\n(1) A means to ensure that no stored hydraulic energy that will cause machine articulation is available after the engine is shut down;\n\n(2) A neutral start feature which ensures that engine cranking torque will not be transmitted through the powertrain and cause machine movement on vehicles utilizing fluid power transmissions;\n\n(3) For machines with steering wheels, brake pedals, and accelerator pedals, controls which are of automobile orientation;\n\n(4) An audible warning device conveniently located near the equipment operator;\n\n(5) Lights provided and maintained on both ends of the equipment. Equipment normally operated in both directions must be equipped with headlights for both directions;\n\n(6) Service brakes that act on each wheel of the vehicle and that are designed such that failure of any single component, except the brake actuation pedal or other similar actuation device, must not result in a complete loss of service braking capability;\n\n(7) Service brakes that safely bring the fully loaded vehicle to a complete stop on the maximum grade on which it is operated; and\n\n(8) No device that traps a column of fluid to hold the brake in the applied position shall be installed in any brake system, unless the trapped column of fluid is released when the equipment operator is no longer in contact with the brake activation device.\n\n(c) Self-propelled nonpermissible heavy-duty diesel-powered equipment under § 75.1908(a), except rail-mounted equipment, shall be provided with a supplemental braking system that:\n\n(1) Engages automatically within 5 seconds of the shutdown of the engine;\n\n(2) Safely brings the equipment when fully loaded to a complete stop on the maximum grade on which it is operated;\n\n(3) Holds the equipment stationary, despite any contraction of brake parts, exhaustion of any nonmechanical source of energy, or leakage;\n\n(4) Releases only by a manual control that does not operate any other equipment function;\n\n(5) Has a means in the equipment operator's compartment to apply the brakes manually without shutting down the engine, and a means to release and reengage the brakes without the engine operating; and\n\n(6) Has a means to ensure that the supplemental braking system is released before the equipment can be trammed, and is designed to ensure the brake is fully released at all times while the equipment is trammed.\n\n(d) Self-propelled nonpermissible light-duty diesel-powered equipment under § 75.1908(b), except rail-mounted equipment, must be provided with a parking brake that holds the fully loaded equipment stationary on the maximum grade on which it is operated despite any contraction of the brake parts, exhaustion of any nonmechanical source of energy, or leakage.\n\n(e) The supplemental and park brake systems required by paragraphs (c) and (d) must be applied when the equipment operator is not at the controls of the equipment, except during movement of disabled equipment.\n\n(f) Self-propelled personnel-elevating work platforms must be provided with a means to ensure that the parking braking system is released before the equipment can be trammed, and must be designed to ensure the brake is fully released at all times while the equipment is trammed.\n\n(g) Any nonpermissible equipment that discharges its exhaust directly into a return air course must be provided with a power package approved under subpart F of part 7 of this title.\n\n(h) Self-propelled nonpermissible heavy-duty diesel-powered equipment meeting the requirements of § 75.1908(a) must be provided with an automatic fire suppression system meeting the requirements of § 75.1911.\n\n(i) Self-propelled nonpermissible light-duty diesel-powered equipment meeting the requirements of § 75.1908(b) must be provided with an automatic or manual fire suppression system meeting the requirements of § 75.1911.\n\n(j) Nonpermissible equipment that is not self-propelled must have the following features in addition to those listed in paragraph (a):\n\n(1) A means to prevent inadvertent movement of the equipment when parked;\n\n(2) Safety chains or other suitable secondary connections on equipment that is being towed; and\n\n(3) An automatic fire suppression system meeting the requirements of § 75.1911.\n\n[61 FR 55527, Oct. 25, 1996; 62 FR 34641, June 27, 1997]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.321","heading":"Air quality.","id":"75.321","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.321","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) The air in areas where persons work or travel, except as specified in paragraph (a)(2) of this section, shall contain at least 19.5 percent oxygen and not more than 0.5 percent carbon dioxide, and the volume and velocity of the air current in these areas shall be sufficient to dilute, render harmless, and carry away flammable, explosive, noxious, and harmful gases, dusts, smoke, and fumes.\n\n(2) The air in areas of bleeder entries and worked-out areas where persons work or travel shall contain at least 19.5 percent oxygen, and carbon dioxide levels shall not exceed 0.5 percent time weighted average and 3.0 percent short term exposure limit.\n\n(b) Notwithstanding the provisions of § 75.322, for the purpose of preventing explosions from gases other than methane, the following gases shall not be permitted to accumulate in excess of the concentrations listed below:\n\n(1) Carbon monoxide (CO)—2.5 percent\n\n(2) Hydrogen (H2)—.80 percent\n\n(3) Hydrogen sulfide (H2 S)—.80 percent\n\n(4) Acetylene (C2 H2)—.40 percent\n\n(5) Propane (C3 H8)—.40 percent\n\n(6) MAPP (methyl-acetylene-propylene-propodiene)—.30 percent","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1517515","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}