{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2602675","name":"327 Apex Mine","status":"Abandoned","status_date":"2014-01-30","mine_type":"Underground","coal_metal":"M","commodity":"Gold Ore","state":"NV","county":"Washoe","nearest_town":"Wadsworth","operator_id":"0108345","operator_name":"Lake Mountain Mining, LLC","controller_id":"0091693","controller_name":"Daniel C  Sheppard; Alan R  Day","district":"M7","office":"Henderson NV Field Office","employees":0,"latitude":39.633889,"longitude":-119.285556},"coverage":{"contributingSources":13,"registeredSources":20,"sourceRows":278},"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":"2602675","name":"327 Apex Mine"},"operator":{"type":"operator","id":"0108345","name":"Lake Mountain Mining, LLC"},"controller":{"type":"controller","id":"0091693","name":"Daniel C  Sheppard; Alan R  Day"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0101085","name":"Target Minerals Inc"},"object":{"type":"mine","id":"2602675","name":"327 Apex Mine"},"validFrom":"2009-06-01","validTo":"2010-01-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602675|0101085|2009-06-01|2010-01-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0085353","name":"Mitch  Fanning"},"object":{"type":"mine","id":"2602675","name":"327 Apex Mine"},"validFrom":"2009-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602675|0085353|2009-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085353","name":"Mitch  Fanning"},"object":{"type":"operator","id":"0101085","name":"Target Minerals Inc"},"validFrom":"2009-06-01","validTo":"2010-01-19","current":false,"derived":true,"evidenceMineId":"2602675","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602675|0101085|2009-06-01|0085353|2009-06-01|13458"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0108345","name":"Lake Mountain Mining, LLC"},"object":{"type":"mine","id":"2602675","name":"327 Apex Mine"},"validFrom":"2010-01-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602675|0108345|2010-01-20|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0091693","name":"Daniel C  Sheppard et al"},"object":{"type":"mine","id":"2602675","name":"327 Apex Mine"},"validFrom":"2010-01-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602675|0091693|2010-01-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0091693","name":"Daniel C  Sheppard et al"},"object":{"type":"operator","id":"0108345","name":"Lake Mountain Mining, LLC"},"validFrom":"2010-01-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602675","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602675|0108345|2010-01-20|0091693|2010-01-20|14723"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0091693","name":"Alan R  Day et al"},"object":{"type":"operator","id":"0108345","name":"Lake Mountain Mining, LLC"},"validFrom":"2010-01-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602675","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602675|0108345|2010-01-20|0091693|2010-01-20|14724"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":1,"firstDate":"2012-07-20","lastDate":"2012-07-20","metrics":{"daysLost":0,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":4,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"157032","DOCUMENT_NO":"220122080039","ACCIDENT_DT":"07/20/2012","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall onto or against objects","OCCUPATION":"Ledgeman/hand, Quarry man","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While installing a spiling support cap at the face, some of the ground above came down and pushed EE into the spiling. The upper right rib cage area on EE came in contact with the spiling during the accident. He had the wind knocked out of him when he was pushed into the spiling. Fractured ribs were the result from the accident.","sourceDate":"2012-07-20"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2014-01-30","lastDate":"2014-01-30","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":61,"firstDate":"2009-06-17","lastDate":"2013-05-01","metrics":{"ss":6,"delinquent":61,"recentRows":0,"paidPenalty":10411,"proposedPenalty":14434,"currentAssessment":10411},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"643960","VIOLATION_NO":"8701329","ISSUE_DT":"05/01/2013","CFR_STANDARD_CD":"57.15001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"2189326","VIOLATION_NO":"8696325","ISSUE_DT":"11/20/2012","CFR_STANDARD_CD":"57.15030","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"308.00","CURRENT_ASSESSMENT_AMT":"308.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-11-20"},{"SOURCE_ROW_NUMBER":"2189325","VIOLATION_NO":"8696324","ISSUE_DT":"11/20/2012","CFR_STANDARD_CD":"57.4361(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"138.00","CURRENT_ASSESSMENT_AMT":"138.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-11-20"},{"SOURCE_ROW_NUMBER":"2189324","VIOLATION_NO":"8696323","ISSUE_DT":"11/20/2012","CFR_STANDARD_CD":"57.14207","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"460.00","CURRENT_ASSESSMENT_AMT":"460.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-11-20"},{"SOURCE_ROW_NUMBER":"652396","VIOLATION_NO":"8612844","ISSUE_DT":"04/11/2012","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"652390","VIOLATION_NO":"8612837","ISSUE_DT":"03/07/2012","CFR_STANDARD_CD":"57.11017","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-03-07"},{"SOURCE_ROW_NUMBER":"651794","VIOLATION_NO":"8609574","ISSUE_DT":"12/13/2011","CFR_STANDARD_CD":"57.11003","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-12-13"},{"SOURCE_ROW_NUMBER":"638064","VIOLATION_NO":"8603289","ISSUE_DT":"07/26/2011","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-07-26"},{"SOURCE_ROW_NUMBER":"638060","VIOLATION_NO":"8603285","ISSUE_DT":"06/22/2011","CFR_STANDARD_CD":"56.18002(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-06-22"},{"SOURCE_ROW_NUMBER":"638061","VIOLATION_NO":"8603297","ISSUE_DT":"06/09/2011","CFR_STANDARD_CD":"62.110(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"224.00","CURRENT_ASSESSMENT_AMT":"224.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-06-09"},{"SOURCE_ROW_NUMBER":"638059","VIOLATION_NO":"8603281","ISSUE_DT":"06/09/2011","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-06-09"},{"SOURCE_ROW_NUMBER":"638058","VIOLATION_NO":"8603279","ISSUE_DT":"06/08/2011","CFR_STANDARD_CD":"62.130(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"334.00","CURRENT_ASSESSMENT_AMT":"334.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-06-08"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":19,"firstDate":"2011-10-03","lastDate":"2014-04-11","metrics":{"appeals":0,"decisions":19,"recentRows":0,"decisionPenalty":3865,"originalPenalty":8936},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"78437","VIOLATION_NO":"8603047","DOCKET_NO":"WEST 2012-37M","DECISION_DT":"04/11/2014","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"5600.00","DECISION_PENALTY_AMT":"2500.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2014-04-11"},{"SOURCE_ROW_NUMBER":"308332","VIOLATION_NO":"8603282","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/14/2012","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2012-07-14"},{"SOURCE_ROW_NUMBER":"308265","VIOLATION_NO":"8603284","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/14/2012","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2012-07-14"},{"SOURCE_ROW_NUMBER":"307859","VIOLATION_NO":"8603283","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/14/2012","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2012-07-14"},{"SOURCE_ROW_NUMBER":"308264","VIOLATION_NO":"8603277","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/13/2012","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2012-07-13"},{"SOURCE_ROW_NUMBER":"76222","VIOLATION_NO":"8603280","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/13/2012","DECISION_TYPE_CODE_DESC":"Vacate","ORIGINAL_PENALTY_AMT":"224.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2012-07-13"},{"SOURCE_ROW_NUMBER":"76221","VIOLATION_NO":"8603276","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/13/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2012-07-13"},{"SOURCE_ROW_NUMBER":"75971","VIOLATION_NO":"8603280","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/13/2012","DECISION_TYPE_CODE_DESC":"Vacate","ORIGINAL_PENALTY_AMT":"224.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2012-07-13"},{"SOURCE_ROW_NUMBER":"75970","VIOLATION_NO":"8603279","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/13/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"334.00","DECISION_PENALTY_AMT":"334.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2012-07-13"},{"SOURCE_ROW_NUMBER":"309113","VIOLATION_NO":"8603288","DOCKET_NO":"WEST 2012-22M","DECISION_DT":"07/05/2012","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2012-07-05"},{"SOURCE_ROW_NUMBER":"295202","VIOLATION_NO":"8603058","DOCKET_NO":"WEST 2011-713M","DECISION_DT":"01/11/2012","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2012-01-11"},{"SOURCE_ROW_NUMBER":"69101","VIOLATION_NO":"8603065","DOCKET_NO":"WEST 2011-713M","DECISION_DT":"01/11/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2012-01-11"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":11,"firstDate":"2011-02-18","lastDate":"2011-02-18","metrics":{"linkedIssuances":11},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":18,"firstDate":"2010-12-14","lastDate":"2011-07-20","metrics":{"decisions":18,"ssChanged":14,"recentRows":0,"decisionPenalty":3865,"proposedPenalty":8712},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"84796","CITATION_NO":"8603288","CITATION_ISSUE_DT":"07/20/2011","DOCKET_NO":"WEST 2012-22M","DECISION_DT":"07/05/2012","CFR_STANDARD_CODE":"57.14114","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":".00","sourceDate":"2011-07-20"},{"SOURCE_ROW_NUMBER":"363206","CITATION_NO":"8603280","CITATION_ISSUE_DT":"06/09/2011","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/13/2012","CFR_STANDARD_CODE":"62.110(a)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"224.00","DECISION_PENALTY_AMT":".00","sourceDate":"2011-06-09"},{"SOURCE_ROW_NUMBER":"362682","CITATION_NO":"8603282","CITATION_ISSUE_DT":"06/09/2011","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/14/2012","CFR_STANDARD_CODE":"62.140","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":".00","sourceDate":"2011-06-09"},{"SOURCE_ROW_NUMBER":"253596","CITATION_NO":"8603283","CITATION_ISSUE_DT":"06/09/2011","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/14/2012","CFR_STANDARD_CODE":"62.130(a)","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":".00","sourceDate":"2011-06-09"},{"SOURCE_ROW_NUMBER":"23579","CITATION_NO":"8603284","CITATION_ISSUE_DT":"06/09/2011","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/14/2012","CFR_STANDARD_CODE":"62.140","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":".00","sourceDate":"2011-06-09"},{"SOURCE_ROW_NUMBER":"307168","CITATION_NO":"8603277","CITATION_ISSUE_DT":"06/08/2011","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/13/2012","CFR_STANDARD_CODE":"56.12040","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":".00","sourceDate":"2011-06-08"},{"SOURCE_ROW_NUMBER":"306064","CITATION_NO":"8603279","CITATION_ISSUE_DT":"06/08/2011","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/13/2012","CFR_STANDARD_CODE":"62.130(c)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"334.00","DECISION_PENALTY_AMT":"334.00","sourceDate":"2011-06-08"},{"SOURCE_ROW_NUMBER":"305987","CITATION_NO":"8603276","CITATION_ISSUE_DT":"06/08/2011","DOCKET_NO":"WEST 2011-1441M","DECISION_DT":"07/13/2012","CFR_STANDARD_CODE":"56.12032","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2011-06-08"},{"SOURCE_ROW_NUMBER":"27997","CITATION_NO":"8603065","CITATION_ISSUE_DT":"12/21/2010","DOCKET_NO":"WEST 2011-713M","DECISION_DT":"01/11/2012","CFR_STANDARD_CODE":"57.13015(b)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2010-12-21"},{"SOURCE_ROW_NUMBER":"21797","CITATION_NO":"8603066","CITATION_ISSUE_DT":"12/21/2010","DOCKET_NO":"WEST 2011-831M","DECISION_DT":"10/03/2011","CFR_STANDARD_CODE":"57.18002(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"263.00","DECISION_PENALTY_AMT":"131.00","sourceDate":"2010-12-21"},{"SOURCE_ROW_NUMBER":"417527","CITATION_NO":"8603050","CITATION_ISSUE_DT":"12/15/2010","DOCKET_NO":"WEST 2011-831M","DECISION_DT":"10/03/2011","CFR_STANDARD_CODE":"48.25","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"293.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2010-12-15"},{"SOURCE_ROW_NUMBER":"360304","CITATION_NO":"8603057","CITATION_ISSUE_DT":"12/15/2010","DOCKET_NO":"WEST 2011-831M","DECISION_DT":"10/03/2011","CFR_STANDARD_CODE":"57.4504(a)","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2010-12-15"}]},{"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":"2009-06-01","lastDate":"2010-01-20","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":20,"firstDate":"2009-06-16","lastDate":"2014-01-30","metrics":{"inspectors":21,"recentRows":0,"onSiteHours":299,"inspectionHours":614.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"768581","EVENT_NO":"6599141","INSPECTION_BEGIN_DT":"01/30/2014","INSPECTION_END_DT":"01/30/2014","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2014-01-30"},{"SOURCE_ROW_NUMBER":"514245","EVENT_NO":"1157909","INSPECTION_BEGIN_DT":"05/01/2013","INSPECTION_END_DT":"05/02/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"21.5","SUM_TOTAL_ON_SITE_HOURS":"16","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"421243","EVENT_NO":"6592430","INSPECTION_BEGIN_DT":"01/15/2013","INSPECTION_END_DT":"01/15/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"9.75","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"513727","EVENT_NO":"6592413","INSPECTION_BEGIN_DT":"11/20/2012","INSPECTION_END_DT":"11/21/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"24.5","SUM_TOTAL_ON_SITE_HOURS":"9.25","sourceDate":"2012-11-20"},{"SOURCE_ROW_NUMBER":"411614","EVENT_NO":"6592317","INSPECTION_BEGIN_DT":"08/07/2012","INSPECTION_END_DT":"08/08/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.75","SUM_TOTAL_ON_SITE_HOURS":"8.75","sourceDate":"2012-08-07"},{"SOURCE_ROW_NUMBER":"1054296","EVENT_NO":"1161729","INSPECTION_BEGIN_DT":"04/11/2012","INSPECTION_END_DT":"04/11/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15.5","SUM_TOTAL_ON_SITE_HOURS":"6.75","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"450969","EVENT_NO":"1161717","INSPECTION_BEGIN_DT":"03/14/2012","INSPECTION_END_DT":"03/14/2012","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2012-03-14"},{"SOURCE_ROW_NUMBER":"209414","EVENT_NO":"1161713","INSPECTION_BEGIN_DT":"03/07/2012","INSPECTION_END_DT":"03/08/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18.25","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2012-03-07"},{"SOURCE_ROW_NUMBER":"1150585","EVENT_NO":"1161438","INSPECTION_BEGIN_DT":"12/13/2011","INSPECTION_END_DT":"12/13/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2011-12-13"},{"SOURCE_ROW_NUMBER":"215309","EVENT_NO":"1155452","INSPECTION_BEGIN_DT":"07/18/2011","INSPECTION_END_DT":"07/28/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"74.75","SUM_TOTAL_ON_SITE_HOURS":"46","sourceDate":"2011-07-18"},{"SOURCE_ROW_NUMBER":"461854","EVENT_NO":"1155449","INSPECTION_BEGIN_DT":"06/06/2011","INSPECTION_END_DT":"06/23/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"159.5","SUM_TOTAL_ON_SITE_HOURS":"92.5","sourceDate":"2011-06-06"},{"SOURCE_ROW_NUMBER":"1097598","EVENT_NO":"1143293","INSPECTION_BEGIN_DT":"03/14/2011","INSPECTION_END_DT":"03/14/2011","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2011-03-14"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":63,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015-Q1":{"hours":0,"employees":0,"production":0},"2014-Q4":{"hours":0,"employees":0,"production":0},"2014-Q3":{"hours":0,"employees":0,"production":0},"2014-Q2":{"hours":0,"employees":0,"production":0},"2014-Q1":{"hours":0,"employees":0,"production":0},"2013-Q4":{"hours":0,"employees":0,"production":0},"2013-Q3":{"hours":0,"employees":0,"production":0},"2013-Q2":{"hours":2283,"employees":5,"production":0},"2013-Q1":{"hours":2497,"employees":5,"production":0},"2012-Q4":{"hours":2150,"employees":5,"production":0},"2012-Q3":{"hours":6217,"employees":11,"production":0},"2012-Q2":{"hours":9579,"employees":18,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":12,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2010":{"hours":12708,"employees":17,"production":0},"2011":{"hours":27668,"employees":18,"production":0},"2012":{"hours":25741,"employees":14,"production":0},"2013":{"hours":4780,"employees":5,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":6,"firstDate":"2011-06-08","lastDate":"2013-01-15","metrics":{"recentRows":0,"actionTaken":6,"maxExposureRatio":0.29,"overExposureLimit":0,"exposureRatioTotal":1.06},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"167096","EVENT_NO":"6592430","SAMPLE_NO":"000000201300395200","SAMPLE_DATE":"01/15/2013","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Mechanic","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"167095","EVENT_NO":"6592430","SAMPLE_NO":"000000201300395100","SAMPLE_DATE":"01/15/2013","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2013-01-15"},{"SOURCE_ROW_NUMBER":"132929","EVENT_NO":"1155449","SAMPLE_NO":"000000201105852600","SAMPLE_DATE":"06/08/2011","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.70","EXPOSURE_LIMIT":"0002.44","C_OVER_E":"00.29","JOB_CD_DESC":"Miner, Drift","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2011-06-08"},{"SOURCE_ROW_NUMBER":"132928","EVENT_NO":"1155449","SAMPLE_NO":"000000201105852500","SAMPLE_DATE":"06/08/2011","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.55","EXPOSURE_LIMIT":"0002.38","C_OVER_E":"00.23","JOB_CD_DESC":"Miner, Drift","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2011-06-08"},{"SOURCE_ROW_NUMBER":"132927","EVENT_NO":"1155449","SAMPLE_NO":"000000201105852400","SAMPLE_DATE":"06/08/2011","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.50","EXPOSURE_LIMIT":"0001.85","C_OVER_E":"00.27","JOB_CD_DESC":"Miner, Drift","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2011-06-08"},{"SOURCE_ROW_NUMBER":"132926","EVENT_NO":"1155449","SAMPLE_NO":"000000201105852300","SAMPLE_DATE":"06/08/2011","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.74","EXPOSURE_LIMIT":"0002.74","C_OVER_E":"00.27","JOB_CD_DESC":"Miner, Drift","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2011-06-08"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":62,"firstDate":"2009-06-17","lastDate":"2013-05-01","metrics":{"ss":6,"amountDue":10411,"contested":0,"amountPaid":10411,"recentRows":0,"section104d":1,"unterminated":1,"proposedPenalty":14434},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1562248","VIOLATION_NO":"8701329","VIOLATION_ISSUE_DT":"05/01/2013","SIG_SUB":"N","PART_SECTION":"57.15001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/02/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"1562284","VIOLATION_NO":"8696325","VIOLATION_ISSUE_DT":"11/20/2012","SIG_SUB":"N","PART_SECTION":"57.15030","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"4","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/20/2012","PROPOSED_PENALTY":"308","AMOUNT_DUE":"308","AMOUNT_PAID":"308","CONTESTED_IND":"N","sourceDate":"2012-11-20"},{"SOURCE_ROW_NUMBER":"1562283","VIOLATION_NO":"8696324","VIOLATION_ISSUE_DT":"11/20/2012","SIG_SUB":"N","PART_SECTION":"57.4361(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"4","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/20/2012","PROPOSED_PENALTY":"138","AMOUNT_DUE":"138","AMOUNT_PAID":"138","CONTESTED_IND":"N","sourceDate":"2012-11-20"},{"SOURCE_ROW_NUMBER":"1562282","VIOLATION_NO":"8696323","VIOLATION_ISSUE_DT":"11/20/2012","SIG_SUB":"N","PART_SECTION":"57.14207","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/20/2012","PROPOSED_PENALTY":"460","AMOUNT_DUE":"460","AMOUNT_PAID":"460","CONTESTED_IND":"N","sourceDate":"2012-11-20"},{"SOURCE_ROW_NUMBER":"1562247","VIOLATION_NO":"8612844","VIOLATION_ISSUE_DT":"04/11/2012","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"1562246","VIOLATION_NO":"8612837","VIOLATION_ISSUE_DT":"03/07/2012","SIG_SUB":"N","PART_SECTION":"57.11017","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-03-07"},{"SOURCE_ROW_NUMBER":"1562302","VIOLATION_NO":"8609574","VIOLATION_ISSUE_DT":"12/13/2011","SIG_SUB":"Y","PART_SECTION":"57.11003","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/13/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-12-13"},{"SOURCE_ROW_NUMBER":"1562281","VIOLATION_NO":"8603289","VIOLATION_ISSUE_DT":"07/26/2011","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/27/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-07-26"},{"SOURCE_ROW_NUMBER":"1562255","VIOLATION_NO":"8603285","VIOLATION_ISSUE_DT":"06/22/2011","SIG_SUB":"N","PART_SECTION":"56.18002(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/23/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-06-22"},{"SOURCE_ROW_NUMBER":"1562256","VIOLATION_NO":"8603297","VIOLATION_ISSUE_DT":"06/09/2011","SIG_SUB":"Y","PART_SECTION":"62.110(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"4","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/19/2011","PROPOSED_PENALTY":"224","AMOUNT_DUE":"224","AMOUNT_PAID":"224","CONTESTED_IND":"N","sourceDate":"2011-06-09"},{"SOURCE_ROW_NUMBER":"1562254","VIOLATION_NO":"8603281","VIOLATION_ISSUE_DT":"06/09/2011","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/09/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-06-09"},{"SOURCE_ROW_NUMBER":"1562253","VIOLATION_NO":"8603279","VIOLATION_ISSUE_DT":"06/08/2011","SIG_SUB":"N","PART_SECTION":"62.130(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"3","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/19/2011","PROPOSED_PENALTY":"334","AMOUNT_DUE":"334","AMOUNT_PAID":"334","CONTESTED_IND":"N","sourceDate":"2011-06-08"}]}],"safety":{"href":"/api/v1/mines/2602675/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2602675/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":"First aid materials.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15001","part":"57","subchapter":"K","subpart":"N","id":"57.15001","citation":"30 CFR 57.15001","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Provision and maintenance of self-rescue devices.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15030","part":"57","subchapter":"K","subpart":"N","id":"57.15030","citation":"30 CFR 57.15030","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Underground evacuation drills.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4361","part":"57","subchapter":"K","subpart":"C","id":"57.4361","citation":"30 CFR 57.4361","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Parking procedures for unattended equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14207","part":"57","subchapter":"K","subpart":"M","id":"57.14207","citation":"30 CFR 57.14207","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Inclined fixed ladders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11017","part":"57","subchapter":"K","subpart":"J","id":"57.11017","citation":"30 CFR 57.11017","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Construction and maintenance of ladders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11003","part":"57","subchapter":"K","subpart":"J","id":"57.11003","citation":"30 CFR 57.11003","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Insulation and fittings for power wires and cables.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008","part":"56","subchapter":"K","subpart":"K","id":"56.12008","citation":"30 CFR 56.12008","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Examination of working places.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002","part":"56","subchapter":"K","subpart":"Q","id":"56.18002","citation":"30 CFR 56.18002","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Noise exposure assessment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.110","part":"62","subchapter":"M","subpart":"","id":"62.110","citation":"30 CFR 62.110","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER M—UNIFORM MINE HEALTH REGULATIONS","partHeading":"PART 62—OCCUPATIONAL NOISE EXPOSURE","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Testing grounding systems.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028","part":"56","subchapter":"K","subpart":"K","id":"56.12028","citation":"30 CFR 56.12028","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 62.130","heading":"Permissible exposure level.","id":"62.130","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130","part":"62","partHeading":"PART 62—OCCUPATIONAL NOISE EXPOSURE","subchapter":"M","subchapterHeading":"SUBCHAPTER M—UNIFORM MINE HEALTH REGULATIONS","subpart":"","subpartHeading":"","text":"(a) The mine operator must assure that no miner is exposed during any work shift to noise that exceeds the permissible exposure level. If during any work shift a miner's noise exposure exceeds the permissible exposure level, the mine operator must use all feasible engineering and administrative controls to reduce the miner's noise exposure to the permissible exposure level, and enroll the miner in a hearing conservation program that complies with § 62.150 of this part. When a mine operator uses administrative controls to reduce a miner's exposure, the mine operator must post the procedures for such controls on the mine bulletin board and provide a copy to the affected miner.\n\n(b) If a miner's noise exposure continues to exceed the permissible exposure level despite the use of all feasible engineering and administrative controls, the mine operator must continue to use the engineering and administrative controls to reduce the miner's noise exposure to as low a level as is feasible.\n\n(c) The mine operator must assure that no miner is exposed at any time to sound levels exceeding 115 dBA, as determined without adjustment for the use of any hearing protector.","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2602675","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}