{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"3608498","name":"R & R Anthracite Coal Co","status":"Abandoned and Sealed","status_date":"2010-07-19","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Anthracite)","state":"PA","county":"Schuylkill","nearest_town":"Goodspring","operator_id":"P24418","operator_name":"R & R Coal Company","controller_id":"0045369","controller_name":"Gary  Lucas; Charles J Cress; Wilbur  White","district":"M2","office":"Frackville PA Field Office","employees":0,"latitude":40.658333,"longitude":-76.5},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":316},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-17T05:35:58.500035+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"operator":{"type":"operator","id":"P24418","name":"R & R Coal Company"},"controller":{"type":"controller","id":"0045369","name":"Gary  Lucas; Charles J Cress; Wilbur  White"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23013","name":"R & R Anthracite Coal Company"},"object":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"validFrom":"1994-12-01","validTo":"1997-05-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P23013|1994-12-01|1997-05-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11482","name":"Robert E  Lesher"},"object":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"validFrom":"1994-12-01","validTo":"1997-05-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|C11482|1994-12-01|1997-05-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11482","name":"Robert E  Lesher"},"object":{"type":"operator","id":"P23013","name":"R & R Anthracite Coal Company"},"validFrom":"1994-12-01","validTo":"1997-05-13","current":false,"derived":true,"evidenceMineId":"3608498","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P23013|1994-12-01|C11482|1994-12-01|84727"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23836","name":"G & S Coal Company"},"object":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"validFrom":"1997-05-14","validTo":"1999-12-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P23836|1997-05-14|1999-12-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15463","name":"Gary  Lucas et al"},"object":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"validFrom":"1997-05-14","validTo":"1999-12-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|C15463|1997-05-14|1999-12-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15463","name":"Gary  Lucas et al"},"object":{"type":"operator","id":"P23836","name":"G & S Coal Company"},"validFrom":"1997-05-14","validTo":"1999-12-29","current":false,"derived":true,"evidenceMineId":"3608498","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P23836|1997-05-14|C15463|1997-05-14|95722"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24343","name":"B & L Coal Company"},"object":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"validFrom":"1999-12-30","validTo":"2000-06-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P24343|1999-12-30|2000-06-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15899","name":"Gary  Lucas et al"},"object":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"validFrom":"1999-12-30","validTo":"2000-06-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|C15899|1999-12-30|2000-06-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15899","name":"Gary  Lucas et al"},"object":{"type":"operator","id":"P24343","name":"B & L Coal Company"},"validFrom":"1999-12-30","validTo":"2000-06-11","current":false,"derived":true,"evidenceMineId":"3608498","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P24343|1999-12-30|C15899|1999-12-30|97552"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24418","name":"R & R Coal Company"},"object":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"validFrom":"2000-06-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P24418|2000-06-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15463","name":"Gary  Lucas et al"},"object":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"validFrom":"2000-06-12","validTo":"2004-09-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|C15463|2000-06-12|2004-09-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15463","name":"Gary  Lucas et al"},"object":{"type":"operator","id":"P24418","name":"R & R Coal Company"},"validFrom":"2000-06-12","validTo":"2004-09-17","current":false,"derived":true,"evidenceMineId":"3608498","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P24418|2000-06-12|C15463|2000-06-12|95723"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0045369","name":"Wilbur  White et al"},"object":{"type":"mine","id":"3608498","name":"R & R Anthracite Coal Co"},"validFrom":"2004-09-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|0045369|2004-09-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0045369","name":"Wilbur  White et al"},"object":{"type":"operator","id":"P24418","name":"R & R Coal Company"},"validFrom":"2004-09-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608498","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P24418|2000-06-12|0045369|2004-09-18|5398"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0045369","name":"Charles J Cress et al"},"object":{"type":"operator","id":"P24418","name":"R & R Coal Company"},"validFrom":"2004-09-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608498","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P24418|2000-06-12|0045369|2004-09-18|5399"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0045369","name":"Gary  Lucas et al"},"object":{"type":"operator","id":"P24418","name":"R & R Coal Company"},"validFrom":"2004-09-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608498","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608498|P24418|2000-06-12|0045369|2004-09-18|5400"}}],"coverage":{"historyRecords":7,"edgeCount":16,"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":"2000-03-27","lastDate":"2000-03-27","metrics":{"daysLost":0,"injuries":0,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"153296","DOCUMENT_NO":"220000910060","ACCIDENT_DT":"03/27/2000","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FIRE","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"HOIST OPERATOR CALLED INSIDE THE MINE AT APPROX 0900 STATING THE HOIST HOUSE HAD CAUGHT FIRE AROUND THE COAL STOVE AREA. 2 EMPLOYEES WERE INSIDE MINE TRAVELED UP SLOPE ARRIVING ON SURFACE AT 9 10. HOIST HOUSE WAS FULLY ENGULFED IN FLAMES. FIRE ARRIVED AT APPROX 0930. FIRE WAS EXTINGUISHED AT 1000 AM, HOIST HOUSE COMPLETELY DESTROYED.","sourceDate":"2000-03-27"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2010-07-19","lastDate":"2010-07-19","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":67,"firstDate":"2000-01-11","lastDate":"2010-07-20","metrics":{"ss":42,"delinquent":67,"recentRows":0,"paidPenalty":92,"proposedPenalty":19223,"currentAssessment":19223},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"655869","VIOLATION_NO":"7000451","ISSUE_DT":"07/20/2010","CFR_STANDARD_CD":"75.1204","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-07-20"},{"SOURCE_ROW_NUMBER":"1308296","VIOLATION_NO":"7008819","ISSUE_DT":"04/23/2006","CFR_STANDARD_CD":"48.25(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"1500.00","CURRENT_ASSESSMENT_AMT":"1500.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-04-23"},{"SOURCE_ROW_NUMBER":"1306921","VIOLATION_NO":"7007893","ISSUE_DT":"08/05/2005","CFR_STANDARD_CD":"77.205(e)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"177.00","CURRENT_ASSESSMENT_AMT":"177.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-05"},{"SOURCE_ROW_NUMBER":"1306920","VIOLATION_NO":"7007892","ISSUE_DT":"08/05/2005","CFR_STANDARD_CD":"77.208(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-05"},{"SOURCE_ROW_NUMBER":"1306789","VIOLATION_NO":"7007573","ISSUE_DT":"06/06/2005","CFR_STANDARD_CD":"77.1104","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"177.00","CURRENT_ASSESSMENT_AMT":"177.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-06-06"},{"SOURCE_ROW_NUMBER":"1306352","VIOLATION_NO":"7007505","ISSUE_DT":"02/17/2005","CFR_STANDARD_CD":"77.400(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-02-17"},{"SOURCE_ROW_NUMBER":"1305872","VIOLATION_NO":"7007185","ISSUE_DT":"11/29/2004","CFR_STANDARD_CD":"77.502","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"91.00","CURRENT_ASSESSMENT_AMT":"91.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-11-29"},{"SOURCE_ROW_NUMBER":"1305871","VIOLATION_NO":"7007138","ISSUE_DT":"11/10/2004","CFR_STANDARD_CD":"75.311(f)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"273.00","CURRENT_ASSESSMENT_AMT":"273.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-11-10"},{"SOURCE_ROW_NUMBER":"1305870","VIOLATION_NO":"7007137","ISSUE_DT":"11/10/2004","CFR_STANDARD_CD":"77.516","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"273.00","CURRENT_ASSESSMENT_AMT":"273.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-11-10"},{"SOURCE_ROW_NUMBER":"1305869","VIOLATION_NO":"7007136","ISSUE_DT":"11/10/2004","CFR_STANDARD_CD":"77.205(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"254.00","CURRENT_ASSESSMENT_AMT":"254.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-11-10"},{"SOURCE_ROW_NUMBER":"1305868","VIOLATION_NO":"7007135","ISSUE_DT":"11/10/2004","CFR_STANDARD_CD":"77.1914","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"310.00","CURRENT_ASSESSMENT_AMT":"310.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-11-10"},{"SOURCE_ROW_NUMBER":"1305867","VIOLATION_NO":"7007134","ISSUE_DT":"11/10/2004","CFR_STANDARD_CD":"75.310(b)(2)(ii)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"1000.00","CURRENT_ASSESSMENT_AMT":"1000.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-11-10"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":34,"firstDate":"2000-03-21","lastDate":"2004-07-13","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":0,"validSamples":34,"maxConcentration":0.46,"concentrationTotal":3.42},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"914462","CASS_NUM":"57461364","SMP_TAKEN_DT":"7/13/2004","CONC":".092","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":"SECTION FOREMAN","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-07-13"},{"SOURCE_ROW_NUMBER":"270826","CASS_NUM":"57461445","SMP_TAKEN_DT":"7/13/2004","CONC":".03","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":"HAND LOADERS","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-07-13"},{"SOURCE_ROW_NUMBER":"2962","CASS_NUM":"57461432","SMP_TAKEN_DT":"7/13/2004","CONC":".049","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":"2004-07-13"},{"SOURCE_ROW_NUMBER":"1579567","CASS_NUM":"57461162","SMP_TAKEN_DT":"5/4/2004","CONC":"0","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":"2004-05-04"},{"SOURCE_ROW_NUMBER":"1288157","CASS_NUM":"57461172","SMP_TAKEN_DT":"5/4/2004","CONC":".009","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":"HAND LOADERS","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-05-04"},{"SOURCE_ROW_NUMBER":"119171","CASS_NUM":"57461152","SMP_TAKEN_DT":"5/4/2004","CONC":".367","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":"LABORER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-05-04"},{"SOURCE_ROW_NUMBER":"1464190","CASS_NUM":"57461236","SMP_TAKEN_DT":"3/23/2004","CONC":".045","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":"2004-03-23"},{"SOURCE_ROW_NUMBER":"1360302","CASS_NUM":"57461211","SMP_TAKEN_DT":"3/23/2004","CONC":".049","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":"LABORER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-03-23"},{"SOURCE_ROW_NUMBER":"1284368","CASS_NUM":"57461240","SMP_TAKEN_DT":"3/23/2004","CONC":".098","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HOIST ENGINEER/OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-03-23"},{"SOURCE_ROW_NUMBER":"1048573","CASS_NUM":"57461233","SMP_TAKEN_DT":"3/23/2004","CONC":".231","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":"HAND LOADERS","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-03-23"},{"SOURCE_ROW_NUMBER":"834509","CASS_NUM":"57351965","SMP_TAKEN_DT":"9/19/2001","CONC":".044","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":"2001-09-19"},{"SOURCE_ROW_NUMBER":"671034","CASS_NUM":"57351970","SMP_TAKEN_DT":"9/19/2001","CONC":".034","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":"HAND LOADERS","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2001-09-19"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":8,"firstDate":"2001-10-22","lastDate":"2003-08-06","metrics":{"linkedIssuances":8},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":7,"firstDate":"1994-12-01","lastDate":"2000-06-12","metrics":{"recentRows":0,"currentOperatorTenures":4,"completedOperatorTenures":3},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":74,"firstDate":"2000-01-03","lastDate":"2010-07-19","metrics":{"inspectors":83,"recentRows":0,"onSiteHours":537.5,"inspectionHours":1016,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"612581","EVENT_NO":"4008206","INSPECTION_BEGIN_DT":"07/19/2010","INSPECTION_END_DT":"07/20/2010","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"11.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2010-07-19"},{"SOURCE_ROW_NUMBER":"461545","EVENT_NO":"4301889","INSPECTION_BEGIN_DT":"06/08/2006","INSPECTION_END_DT":"06/08/2006","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2006-06-08"},{"SOURCE_ROW_NUMBER":"506131","EVENT_NO":"4303702","INSPECTION_BEGIN_DT":"04/23/2006","INSPECTION_END_DT":"06/23/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2006-04-23"},{"SOURCE_ROW_NUMBER":"270321","EVENT_NO":"4303701","INSPECTION_BEGIN_DT":"04/23/2006","INSPECTION_END_DT":"04/25/2006","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2006-04-23"},{"SOURCE_ROW_NUMBER":"1072603","EVENT_NO":"4302911","INSPECTION_BEGIN_DT":"03/29/2006","INSPECTION_END_DT":"03/29/2006","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2006-03-29"},{"SOURCE_ROW_NUMBER":"268180","EVENT_NO":"4302363","INSPECTION_BEGIN_DT":"01/04/2006","INSPECTION_END_DT":"01/10/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2006-01-04"},{"SOURCE_ROW_NUMBER":"318572","EVENT_NO":"4302776","INSPECTION_BEGIN_DT":"12/12/2005","INSPECTION_END_DT":"12/12/2005","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2005-12-12"},{"SOURCE_ROW_NUMBER":"190526","EVENT_NO":"4301872","INSPECTION_BEGIN_DT":"10/18/2005","INSPECTION_END_DT":"10/26/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"6.5","sourceDate":"2005-10-18"},{"SOURCE_ROW_NUMBER":"343082","EVENT_NO":"4302221","INSPECTION_BEGIN_DT":"08/25/2005","INSPECTION_END_DT":"08/31/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2005-08-25"},{"SOURCE_ROW_NUMBER":"667295","EVENT_NO":"4302218","INSPECTION_BEGIN_DT":"08/05/2005","INSPECTION_END_DT":"08/10/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2005-08-05"},{"SOURCE_ROW_NUMBER":"1158285","EVENT_NO":"4302616","INSPECTION_BEGIN_DT":"07/20/2005","INSPECTION_END_DT":"07/20/2005","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2005-07-20"},{"SOURCE_ROW_NUMBER":"263190","EVENT_NO":"4302050","INSPECTION_BEGIN_DT":"06/15/2005","INSPECTION_END_DT":"06/15/2005","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2005-06-15"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":13,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q3":{"hours":450,"employees":3,"production":189},"2002-Q2":{"hours":1080,"employees":3,"production":188},"2001-Q3":{"hours":900,"employees":3,"production":300},"2001-Q1":{"hours":360,"employees":2,"production":682},"2000-Q4":{"hours":480,"employees":4,"production":786},"2000-Q3":{"hours":1080,"employees":3,"production":84},"2000-Q1":{"hours":302,"employees":3,"production":216}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":9,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":1862,"employees":3,"production":1086},"2001":{"hours":1260,"employees":3,"production":982},"2002":{"hours":1530,"employees":3,"production":377},"2004":{"hours":555,"employees":1,"production":689},"2005":{"hours":774,"employees":3,"production":449}},"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":6,"firstDate":"2000-03-21","lastDate":"2004-05-04","metrics":{"recentRows":0,"doseOver100":0,"actDoseTotal":84,"pelDoseTotal":54},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"158721","EVENT_NO":"4300731","SURVEY_DATE":"05/04/2004","OCCUPATION_CD_DESC":"LABORER","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"20","PEL_DOSE_90":"10","SURVEY_TYPE":"I","sourceDate":"2004-05-04"},{"SOURCE_ROW_NUMBER":"158720","EVENT_NO":"4300731","SURVEY_DATE":"05/04/2004","OCCUPATION_CD_DESC":"HAND LOADERS","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"18","PEL_DOSE_90":"12","SURVEY_TYPE":"I","sourceDate":"2004-05-04"},{"SOURCE_ROW_NUMBER":"158719","EVENT_NO":"4300731","SURVEY_DATE":"05/04/2004","OCCUPATION_CD_DESC":"HOIST ENGINEER/OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"120","ACT_DOSE_85":"22","PEL_DOSE_90":"18","SURVEY_TYPE":"I","sourceDate":"2004-05-04"},{"SOURCE_ROW_NUMBER":"158718","EVENT_NO":"4005479","SURVEY_DATE":"02/13/2001","OCCUPATION_CD_DESC":"HAND LOADERS","MACHINE_CD":"20","MANUFACTURER_CD":"119","ACT_DOSE_85":"10","PEL_DOSE_90":"7","SURVEY_TYPE":"I","sourceDate":"2001-02-13"},{"SOURCE_ROW_NUMBER":"158717","EVENT_NO":"4005479","SURVEY_DATE":"02/13/2001","OCCUPATION_CD_DESC":"HOIST ENGINEER/OPERATOR","MACHINE_CD":"14","MANUFACTURER_CD":"119","ACT_DOSE_85":"7","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2001-02-13"},{"SOURCE_ROW_NUMBER":"158716","EVENT_NO":"4003151","SURVEY_DATE":"03/21/2000","OCCUPATION_CD_DESC":"HOISTMAN","MACHINE_CD":"14","MANUFACTURER_CD":"119","ACT_DOSE_85":"7","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2000-03-21"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":95,"firstDate":"2000-01-10","lastDate":"2010-07-20","metrics":{"ss":43,"amountDue":19223,"contested":0,"amountPaid":92,"recentRows":0,"section104d":6,"unterminated":24,"proposedPenalty":19223},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1941861","VIOLATION_NO":"7000451","VIOLATION_ISSUE_DT":"07/20/2010","SIG_SUB":"N","PART_SECTION":"75.1204","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/20/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2010-07-20"},{"SOURCE_ROW_NUMBER":"1941849","VIOLATION_NO":"7008819","VIOLATION_ISSUE_DT":"04/23/2006","SIG_SUB":"Y","PART_SECTION":"48.25(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"3","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"07/20/2010","PROPOSED_PENALTY":"1500","AMOUNT_DUE":"1500","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-04-23"},{"SOURCE_ROW_NUMBER":"1941869","VIOLATION_NO":"7007893","VIOLATION_ISSUE_DT":"08/05/2005","SIG_SUB":"Y","PART_SECTION":"77.205(e)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/09/2005","PROPOSED_PENALTY":"177","AMOUNT_DUE":"177","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-08-05"},{"SOURCE_ROW_NUMBER":"1941868","VIOLATION_NO":"7007892","VIOLATION_ISSUE_DT":"08/05/2005","SIG_SUB":"N","PART_SECTION":"77.208(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/05/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-08-05"},{"SOURCE_ROW_NUMBER":"1941855","VIOLATION_NO":"7007573","VIOLATION_ISSUE_DT":"06/06/2005","SIG_SUB":"Y","PART_SECTION":"77.1104","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/10/2005","PROPOSED_PENALTY":"177","AMOUNT_DUE":"177","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-06-06"},{"SOURCE_ROW_NUMBER":"1941845","VIOLATION_NO":"7007505","VIOLATION_ISSUE_DT":"02/17/2005","SIG_SUB":"N","PART_SECTION":"77.400(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/17/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-02-17"},{"SOURCE_ROW_NUMBER":"1941930","VIOLATION_NO":"7007185","VIOLATION_ISSUE_DT":"11/29/2004","SIG_SUB":"Y","PART_SECTION":"77.502","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/17/2005","PROPOSED_PENALTY":"91","AMOUNT_DUE":"91","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2004-11-29"},{"SOURCE_ROW_NUMBER":"1941929","VIOLATION_NO":"7007148","VIOLATION_ISSUE_DT":"11/15/2004","PART_SECTION":"75.1203","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"02/16/2005","CONTESTED_IND":"N","sourceDate":"2004-11-15"},{"SOURCE_ROW_NUMBER":"1941928","VIOLATION_NO":"7007147","VIOLATION_ISSUE_DT":"11/12/2004","PART_SECTION":"75.360(a)(1)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"02/17/2005","CONTESTED_IND":"N","sourceDate":"2004-11-12"},{"SOURCE_ROW_NUMBER":"1941927","VIOLATION_NO":"7007146","VIOLATION_ISSUE_DT":"11/12/2004","PART_SECTION":"75.380(b)(1)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"02/16/2005","CONTESTED_IND":"N","sourceDate":"2004-11-12"},{"SOURCE_ROW_NUMBER":"1941926","VIOLATION_NO":"7007145","VIOLATION_ISSUE_DT":"11/12/2004","PART_SECTION":"75.364(h)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"02/16/2005","CONTESTED_IND":"N","sourceDate":"2004-11-12"},{"SOURCE_ROW_NUMBER":"1941925","VIOLATION_NO":"7007144","VIOLATION_ISSUE_DT":"11/12/2004","PART_SECTION":"71.500(a)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/09/2005","CONTESTED_IND":"N","sourceDate":"2004-11-12"}]}],"safety":{"href":"/api/v1/mines/3608498/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3608498/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":"Mine closure; filing of map with Secretary.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1204","part":"75","subchapter":"O","subpart":"M","id":"75.1204","citation":"30 CFR 75.1204","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Training of new miners; minimum courses of instruction; hours of instruction.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.25","part":"48","subchapter":"H","subpart":"B","id":"48.25","citation":"30 CFR 48.25","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 48—TRAINING AND RETRAINING OF MINERS","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.205","heading":"Travelways at surface installations.","id":"77.205","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Surface Installations","text":"(a) Safe means of access shall be provided and maintained to all working places.\n\n(b) Travelways and platforms or other means of access to areas where persons are required to travel or work, shall be kept clear of all extraneous material and other stumbling or slipping hazards.\n\n(c) Inclined travelways shall be constructed of nonskid material or equipped with cleats.\n\n(d) Regularly used travelways shall be sanded, salted, or cleared of snow and ice as soon as practicable.\n\n(e) Crossovers, elevated walkways, elevated ramps, and stairways shall be of substantial construction, provided with handrails, and maintained in good condition. Where necessary toeboards shall be provided.\n\n(f) Crossovers shall be provided where it is necessary to cross conveyors.\n\n(g) Moving conveyors shall be crossed only at designated crossover points.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.208","heading":"Storage of materials.","id":"77.208","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Surface Installations","text":"(a) Materials shall be stored and stacked in a manner which minimizes stumbling or fall-of-material hazards.\n\n(b) Materials that can create hazards if accidentally liberated from their containers shall be stored in a manner that minimizes the dangers.\n\n(c) Containers holding hazardous materials must be of a type approved for such use by recognized agencies.\n\n(d) Compressed and liquid gas cylinders shall be secured in a safe manner.\n\n(e) Valves on compressed gas cylinders shall be protected by covers when being transported or stored, and by a safe location when the cylinders are in use.\n\n[36 FR 9364, May 22, 1971, as amended at 67 FR 42389, June 21, 2002]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1104","heading":"Accumulations of combustible materials.","id":"77.1104","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"Combustible materials, grease, lubricants, paints, or flammable liquids shall not be allowed to accumulate where they can create a fire hazard.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.400","heading":"Mechanical equipment guards.","id":"77.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Safeguards for Mechanical Equipment","text":"(a) Gears; sprockets; chains; drive, head, tail, and takeup pulleys; flywheels; couplings; shafts; sawblades; fan inlets; and similar exposed moving machine parts which may be contacted by persons, and which may cause injury to persons shall be guarded.\n\n(b) Overhead belts shall be guarded if the whipping action from a broken line would be hazardous to persons below.\n\n(c) Guards at conveyor-drive, conveyor-head, and conveyor-tail pulleys shall extend a distance sufficient to prevent a person from reaching behind the guard and becoming caught between the belt and the pulley.\n\n(d) Except when testing the machinery, guards shall be securely in place while machinery is being operated.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.502","heading":"Electric equipment; examination, testing, and maintenance.","id":"77.502","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"Electric equipment shall be frequently examined, tested, and properly maintained by a qualified person to assure safe operating conditions. When a potentially dangerous condition is found on electric equipment, such equipment shall be removed from service until such condition is corrected. A record of such examinations shall be kept.","occurrenceCount":1},{"chapter":"I","heading":"Availability of mine map.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1203","part":"75","subchapter":"O","subpart":"M","id":"75.1203","citation":"30 CFR 75.1203","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"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 75.380","heading":"Escapeways; bituminous and lignite mines.","id":"75.380","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.380","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) Except in situations addressed in § 75.381, § 75.385 and § 75.386, at least two separate and distinct travelable passageways shall be designated as escapeways and shall meet the requirements of this section.\n\n(b) (1) Escapeways shall be provided from each working section, and each area where mechanized mining equipment is being installed or removed, continuous to the surface escape drift opening or continuous to the escape shaft or slope facilities to the surface.\n\n(2) During equipment installation, these escapeways shall begin at the projected location for the section loading point. During equipment removal, they shall begin at the location of the last loading point.\n\n(c) The two separate and distinct escapeways required by this section shall not end at a common shaft, slope, or drift opening, except that multiple compartment shafts or slopes separated by walls constructed of noncombustible material may be used as separate and distinct passageways.\n\n(d) Each escapeway shall be—\n\n(1) Maintained in a safe condition to always assure passage of anyone, including disabled persons;\n\n(2) Clearly marked to show the route and direction of travel to the surface;\n\n(3) Maintained to at least a height of 5 feet from the mine floor to the mine roof, excluding the thickness of any roof support, except that the escapeways shall be maintained to at least the height of the coalbed, excluding the thickness of any roof support, where the coalbed is less than 5 feet. In areas of mines where escapeways pass through doors, the height may be less than 5 feet, provided that sufficient height is maintained to enable miners, including disabled persons, to escape quickly in an emergency. In areas of mines developed before November 16, 1992, where escapeways pass over or under overcasts or undercasts, the height may be less than 5 feet provided that sufficient height is maintained to enable miners, including disabled persons, to escape quickly in an emergency. When there is a need to determine whether sufficient height is provided, MSHA may require a stretcher test where 4 persons carry a miner through the area in question on a stretcher;\n\n(4) Maintained at least 6 feet wide except—\n\n(i) Where necessary supplemental roof support is installed, the escapeway shall not be less than 4 feet wide; or\n\n(ii) Where the route of travel passes through doors or other permanent ventilation controls, the escapeway shall be at least 4 feet wide to enable miners to escape quickly in an emergency, or\n\n(iii) Where the alternate escapeway passes through doors or other permanent ventilation controls or where supplemental roof support is required and sufficient width is maintained to enable miners, including disabled persons, to escape quickly in an emergency. When there is a need to determine whether sufficient width is provided, MSHA may require a stretcher test where 4 persons carry a miner through the area in question on a stretcher, or\n\n(iv) Where mobile equipment near working sections, and other equipment essential to the ongoing operation of longwall sections, is necessary during normal mining operations, such as material cars containing rock dust or roof control supplies, or is to be used for the evacuation of miners off the section in the event of an emergency. In any instance, escapeways shall be of sufficient width to enable miners, including disabled persons, to escape quickly in an emergency. When there is a need to determine whether sufficient width is provided, MSHA may require a stretcher test where 4 persons carry a miner through the area in question on a stretcher;\n\n(5) Located to follow the most direct, safe and practical route to the nearest mine opening suitable for the safe evacuation of miners; and\n\n(6) Provided with ladders, stairways, ramps, or similar facilities where the escapeways cross over obstructions.\n\n(7) Provided with a continuous, durable directional lifeline or equivalent device that shall be—\n\n(i) Installed and maintained throughout the entire length of each escapeway as defined in paragraph (b)(1) of this section;\n\n(ii) Flame-resistant in accordance with the requirements of part 18 of this chapter upon replacement of existing lifelines; but in no case later than June 15, 2009;\n\n(iii) Marked with a reflective material every 25 feet;\n\n(iv) Located in such a manner for miners to use effectively to escape;\n\n(v) Equipped with one directional indicator cone securely attached to the lifeline, signifying the route of escape, placed at intervals not exceeding 100 feet. Cones shall be installed so that the tapered section points inby;\n\n(vi) Equipped with one sphere securely attached to the lifeline at each intersection where personnel doors are installed in adjacent crosscuts;\n\n(vii) Equipped with two securely attached cones, installed consecutively with the tapered section pointing inby, to signify an attached branch line is immediately ahead.\n\n(A) A branch line leading from the lifeline to an SCSR cache will be marked with four cones with the base sections in contact to form two diamond shapes. The cones must be placed within reach of the lifeline.\n\n(B) A branch line leading from the lifeline to a refuge alternative will be marked with a rigid spiraled coil at least eight inches in length. The spiraled coil must be placed within reach of the lifeline (see Illustration 1 below).\n\n(e) Surface openings shall be adequately protected to prevent surface fires, fumes, smoke, and flood water from entering the mine.\n\n(f) Primary escapeway. (1) One escapeway that is ventilated with intake air shall be designated as the primary escapeway. The primary escapeway shall have a higher ventilation pressure than the belt entry unless the mine operator submits an alternative in the mine ventilation plan to protect the integrity of the primary escapeway, based on mine specific conditions, which is approved by the district manager.\n\n(2) Paragraphs (f)(3) through (f)(7) of this section apply as follows:\n\n(i) To all areas of a primary escapeway developed on or after November 16, 1992;\n\n(ii) Effective as of June 10, 1997, to all areas of a primary escapeway developed between March 30, 1970 and November 16, 1992; and\n\n(iii) Effective as of June 10, 1997, to all areas of the primary escapeway developed prior to March 30, 1970 where separation of the belt and trolley haulage entries from the primary escapeway existed prior to November 16, 1992.\n\n(3) The following equipment is not permitted in the primary escapeway:\n\n(i) Mobile equipment hauling coal except for hauling coal incidental to cleanup or maintenance of the primary escapeway.\n\n(ii) Compressors, except—\n\n(A) Compressors necessary to maintain the escapeway in safe, travelable condition;\n\n(B) Compressors that are components of equipment such as locomotives and rock dusting machines; and\n\n(C) Compressors of less than five horsepower.\n\n(iii) Underground transformer stations, battery charging stations, substations, and rectifiers except—\n\n(A) Where necessary to maintain the escapeway in safe, travelable condition; and\n\n(B) Battery charging stations and rectifiers and power centers with transformers that are either dry-type or contain nonflammable liquid, provided they are located on or near a working section and are moved as the section advances or retreats.\n\n(iv) Water pumps, except—\n\n(A) Water pumps necessary to maintain the escapeway in safe, travelable condition;\n\n(B) Submersible pumps;\n\n(C) Permissible pumps and associated permissible switchgear;\n\n(D) Pumps located on or near a working section that are moved as the section advances or retreats;\n\n(E) Pumps installed in anthracite mines; and\n\n(F) Small portable pumps.\n\n(4) Mobile equipment operated in the primary escapeway, except for continuous miners and as provided in paragraphs (f)(5), (f)(6), and (f)(7) of this section, shall be equipped with a fire suppression system installed according to §§ 75.1107-3 through 75.1107-16 that is—\n\n(i) Manually operated and attended continuously by a person trained in the systems function and use, or\n\n(ii) A multipurpose dry chemical type capable of both automatic and manual activation.\n\n(5) Personnel carriers and small mobile equipment designed and used only for carrying people and small hand tools may be operated in primary escapeways if—\n\n(i) The equipment is provided with a multipurpose dry chemical type fire suppression system capable of both automatic and manual activation, and the suppression system is suitable for the intended application and is listed or approved by a nationally recognized independent testing laboratory, or,\n\n(ii) Battery powered and provided with two 10 pound multipurpose dry chemical portable fire extinguishers.\n\n(6) Notwithstanding the requirements of paragraph (f)(3)(i), mobile equipment not provided with a fire suppression system may operate in the primary escapeway if no one is inby except those persons directly engaged in using or moving the equipment.\n\n(7) Notwithstanding the requirements of paragraph (f)(3)(i), mobile equipment designated and used only as emergency vehicles or ambulances, may be operated in the primary escapeway without fire suppression systems.\n\n(g) Except where separation of belt and trolley haulage entries from designated escapeways did not exist before November 15, 1992, and except as provided in § 75.350(c), the primary escapeway must be separated from belt and trolley haulage entries for its entire length, to and including the first connecting crosscut outby each loading point except when a greater or lesser distance for this separation is specified and approved in the mine ventilation plan and does not pose a hazard to miners.\n\n(h) Alternate escapeway. One escapeway shall be designated as the alternate escapeway. The alternate escapeway shall be separated from the primary escapeway for its entire length, except that the alternate and primary escapeways may be ventilated from a common intake air shaft or slope opening.\n\n(i) Mechanical escape facilities shall be provided and maintained for—\n\n(1) Each shaft that is part of a designated escapeway and is greater than 50 feet in depth; and\n\n(2) Each slope from the coal seam to the surface that is part of a designated escapeway and is inclined more than 9 degrees from the horizontal.\n\n(j) Within 30 minutes after mine personnel on the surface have been notified of an emergency requiring evacuation, mechanical escape facilities provided under paragraph (i) of this section shall be operational at the bottom of shaft and slope openings that are part of escapeways.\n\n(k) Except where automatically activated hoisting equipment is used, the bottom of each shaft or slope opening that is part of a designated escapeway shall be equipped with a means of signaling a surface location where a person is always on duty when anyone is underground. When the signal is activated or the evacuation of persons underground is necessary, the person shall assure that mechanical escape facilities are operational as required by paragraph (j) of this section.\n\n(l)(1) Stairways or mechanical escape facilities shall be installed in shafts that are part of the designated escapeways and that are 50 feet or less in depth, except ladders may be used in shafts that are part of the designated escapeways and that are 5 feet or less in depth.\n\n(2) Stairways shall be constructed of concrete or metal, set on an angle not to exceed 45 degrees from the horizontal, and equipped on the open side with handrails. In addition, landing platforms that are at least 2 feet by 4 feet shall be installed at intervals not to exceed 20 vertical feet on the stairways and equipped on the open side with handrails.\n\n(3) Ladders shall be constructed of metal, anchored securely, and set on an angle not to exceed 60 degrees from the horizontal.\n\n(m) A travelway designed to prevent slippage shall be provided in slope and drift openings that are part of designated escapeways, unless mechanical escape facilities are installed.\n\n[61 FR 9829, Mar. 11, 1996; 61 FR 20877, May 8, 1996, as amended at 61 FR 55527, Oct. 25, 1996; 69 FR 17530, Apr. 2, 2004; 71 FR 12269, Mar. 9, 2006; 71 FR 71452, Dec. 8, 2006; 73 FR 80613, Dec. 31, 2008]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.364","heading":"Weekly examination.","id":"75.364","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364","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) Worked-out areas. (1) At least every 7 days, a certified person shall examine unsealed worked-out areas where no pillars have been recovered by traveling to the area of deepest penetration; measuring methane and oxygen concentrations and air quantities and making tests to determine if the air is moving in the proper direction in the area. The locations of measurement points where tests and measurements will be performed shall be included in the mine ventilation plan and shall be adequate in number and location to assure ventilation and air quality in the area. Air quantity measurements shall also be made where the air enters and leaves the worked-out area. An alternative method of evaluating the ventilation of the area may be approved in the ventilation plan.\n\n(2) At least every 7 days, a certified person shall evaluate the effectiveness of bleeder systems required by § 75.334 as follows:\n\n(i) Measurements of methane and oxygen concentrations and air quantity and a test to determine if the air is moving in its proper direction shall be made where air enters the worked-out area.\n\n(ii) Measurements of methane and oxygen concentrations and air quantity and a test to determine if the air is moving in the proper direction shall be made immediately before the air enters a return split of air.\n\n(iii) At least one entry of each set of bleeder entries used as part of a bleeder system under § 75.334 shall be traveled in its entirety. Measurements of methane and oxygen concentrations and air quantities and a test to determine if the air is moving in the proper direction shall be made at the measurement point locations specified in the mine ventilation plan to determine the effectiveness of the bleeder system.\n\n(iv) In lieu of the requirements of paragraphs (a)(2)(i) and (iii) of this section, an alternative method of evaluation may be specified in the ventilation plan provided the alternative method results in proper evaluation of the effectiveness of the bleeder system.\n\n(b) Hazardous conditions and violations of mandatory health or safety standards. At least every 7 days, an examination for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(8) of this section shall be made by a certified person designated by the operator at the following locations:\n\n(1) In at least one entry of each intake air course, in its entirety, so that the entire air course is traveled.\n\n(2) In at least one entry of each return air course, in its entirety, so that the entire air course is traveled.\n\n(3) In each longwall or shortwall travelway in its entirety, so that the entire travelway is traveled.\n\n(4) At each seal along return and bleeder air courses and at each seal along intake air courses not examined under § 75.360(b)(5).\n\n(5) In each escapeway so that the entire escapeway is traveled.\n\n(6) On each working section not examined under § 75.360(b)(3) during the previous 7 days.\n\n(7) At each water pump not examined during a preshift examination conducted during the previous 7 days.\n\n(8) Weekly 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; and\n\n(iv) § 75.1403—maintenance of 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) Measurements and tests. At least every 7 days, a certified person shall—\n\n(1) Determine the volume of air entering the main intakes and in each intake split;\n\n(2) Determine the volume of air and test for methane in the last open crosscut in any pair or set of developing entries or rooms, in the return of each split of air immediately before it enters the main returns, and where the air leaves the main returns; and\n\n(3) Test for methane in the return entry nearest each set of seals immediately after the air passes the seals.\n\n(d) Hazardous conditions shall be corrected immediately. If the condition creates an imminent danger, everyone except those persons referred to in section 104(c) of the Act shall be withdrawn from the area affected to a safe area until the hazardous condition is corrected. Any violation of the nine mandatory health or safety standards found during a weekly examination shall be corrected.\n\n(e) The weekly examination may be conducted at the same time as the preshift or on-shift examinations.\n\n(f) (1) The weekly examination is not required during any 7 day period in which no one enters any underground area of the mine.\n\n(2) Except for certified persons required to make examinations, no one shall enter any underground area of the mine if a weekly examination has not been completed within the previous 7 days.\n\n(g) Certification. The person making the weekly examinations shall certify by initials, date, and the time that the examination was made. Certifications and times shall appear at enough locations to show that the entire area has been examined.\n\n(h) Recordkeeping. At the completion of any shift during which a portion of a weekly examination is conducted, a record of the results of each weekly examination, including a record of hazardous conditions and violations of the nine mandatory health or safety standards found during each examination and their locations, the corrective action taken, and the results and location of air and methane measurements, shall be made. The results of methane tests shall be recorded as the percentage of methane measured by the examiner. The record shall be made by the person making the examination or a person designated by the operator. If made by a person 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. The record 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(i) 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 77 FR 20715, Apr. 6, 2012]","occurrenceCount":1},{"chapter":"I","heading":"Sanitary toilet facilities at surface work sites; installation requirements.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-F/section-71.500","part":"71","subchapter":"O","subpart":"F","id":"71.500","citation":"30 CFR 71.500","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 71—MANDATORY HEALTH STANDARDS—SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3608498","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}