{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1103058","name":"Pattiki","status":"NonProducing","status_date":"2016-11-28","mine_type":"Facility","coal_metal":"C","commodity":"Coal (Bituminous)","state":"IL","county":"White","nearest_town":"Carmi","operator_id":"P23564","operator_name":"White County Coal, LLC","controller_id":"C15455","controller_name":"Alliance Resource Partners LP","district":"C10","office":"Sturgis KY Field Office","employees":1,"latitude":38.066111,"longitude":-88.092222},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":24041},"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":"1103058","name":"Pattiki"},"operator":{"type":"operator","id":"P23564","name":"White County Coal, LLC"},"controller":{"type":"controller","id":"C15455","name":"Alliance Resource Partners LP"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15455","name":"Alliance Resource Partners LP"},"object":{"type":"mine","id":"1103058","name":"Pattiki"},"validFrom":"1996-09-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103058|C15455|1996-09-09|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23564","name":"White County Coal, LLC"},"object":{"type":"mine","id":"1103058","name":"Pattiki"},"validFrom":"2000-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103058|P23564|2000-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15455","name":"Alliance Resource Partners LP"},"object":{"type":"operator","id":"P23564","name":"White County Coal, LLC"},"validFrom":"2000-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1103058","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103058|P23564|2000-04-01|C15455|1996-09-09|95629"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":469,"firstDate":"2000-11-09","lastDate":"2016-11-30","metrics":{"daysLost":14358,"injuries":365,"fatalities":2,"recentRows":0,"restrictedDays":573,"contractorRecords":24},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"95356","DOCUMENT_NO":"220163370034","ACCIDENT_DT":"11/30/2016","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was driving a jack pin out of miner. A piece of metal came back and struck upper lip. (EE received stitches).","sourceDate":"2016-11-30"},{"SOURCE_ROW_NUMBER":"35336","DOCUMENT_NO":"220162010006","ACCIDENT_DT":"07/18/2016","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"A rock 2'x 4' x 1' fell from brawl of overcast causing damage to the overcast.","sourceDate":"2016-07-18"},{"SOURCE_ROW_NUMBER":"142848","DOCUMENT_NO":"220161680052","ACCIDENT_DT":"06/09/2016","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Continuous miner operator, Coal mole operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While trying to pull sections of a pinner steel out of the drill hole. The bottom came out and struck EE on upper lip. ( received stitches )","sourceDate":"2016-06-09"},{"SOURCE_ROW_NUMBER":"69628","DOCUMENT_NO":"220161960010","ACCIDENT_DT":"06/06/2016","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"95","NARRATIVE":"Employee was pulling on wrench, when the wrench came off, employee struck elbow on the fender of a Mantrip.  ( a tear in tri-cep)  ** started missing 7/11/2016**","sourceDate":"2016-06-06"},{"SOURCE_ROW_NUMBER":"250441","DOCUMENT_NO":"220161550012","ACCIDENT_DT":"05/26/2016","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was moving old control cabinets in shop, when the lid fell off, striking on top of head, knocking off hardhat, cutting head. ( EE received stitches)","sourceDate":"2016-05-26"},{"SOURCE_ROW_NUMBER":"86939","DOCUMENT_NO":"220161380013","ACCIDENT_DT":"05/13/2016","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"119","NARRATIVE":"While traveling down the travel road, a piece of material fell out and struck employee on head and shoulder. (Compressing lower back, causing contusion.)","sourceDate":"2016-05-13"},{"SOURCE_ROW_NUMBER":"95355","DOCUMENT_NO":"220161100024","ACCIDENT_DT":"04/13/2016","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"76","NARRATIVE":"While installing a roof bolt, a rock fell out and struck left ankle. (EE received a fracture).","sourceDate":"2016-04-13"},{"SOURCE_ROW_NUMBER":"138497","DOCUMENT_NO":"220160700026","ACCIDENT_DT":"03/05/2016","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Section foreman, Bullgang foreman, Labor foreman, Leadman, Shift boss","NO_INJURIES":"1","DAYS_LOST":"58","NARRATIVE":"EE was installing a roof bolt, ee reached for the fast feed lever, Hand ended up on boom. EE pinched ring finger between short arm and boom. (fracture and laceration)","sourceDate":"2016-03-05"},{"SOURCE_ROW_NUMBER":"112543","DOCUMENT_NO":"220160690012","ACCIDENT_DT":"03/02/2016","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in pulling or pushing objects","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"20","NARRATIVE":"While bending a roof bolt ee felt a burning in right shoulder. Then ee went to put the glue into the hole and ee felt shoulder pop.  ( strained shoulder)","sourceDate":"2016-03-02"},{"SOURCE_ROW_NUMBER":"207362","DOCUMENT_NO":"220160280015","ACCIDENT_DT":"01/18/2016","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"STEPPING OR KNEELING ON OBJECT","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"20","NARRATIVE":"EE was walking between cross cut #4 and #5. There was a shuttle car traveling the straight of #5 which was anchored in #4. While the cable was moving across the entry, ee tried to step over the cable, which caught boot, causing EE to do the splits. (EE has a bruise of the right hamstring.)","sourceDate":"2016-01-18"},{"SOURCE_ROW_NUMBER":"155774","DOCUMENT_NO":"220161020034","ACCIDENT_DT":"01/15/2016","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"117","NARRATIVE":"Was carrying oil cans in each hand, while walking. EE felt something in left knee. ***(Started missing on 03/17/2016. Orginal diagnosis was a cyst(non work related). After further test, as of 04/08/2016 changed diagnosis to strain.)","sourceDate":"2016-01-15"},{"SOURCE_ROW_NUMBER":"882","DOCUMENT_NO":"220160920030","ACCIDENT_DT":"12/14/2015","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall onto or against objects","OCCUPATION":"Utility man, Errand boy, Service truck operator","NO_INJURIES":"1","DAYS_LOST":"112","NARRATIVE":"While installing a roof bolt, he tripped and fell against the atrs. (straining his shoulder) **started missing 03/29/2016**","sourceDate":"2015-12-14"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2016-11-28","lastDate":"2016-11-28","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":3987,"firstDate":"2000-10-10","lastDate":"2021-01-25","metrics":{"ss":836,"delinquent":3973,"recentRows":1,"paidPenalty":2706687,"proposedPenalty":3720607,"currentAssessment":2706687},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2800978","VIOLATION_NO":"9109881","ISSUE_DT":"01/25/2021","CFR_STANDARD_CD":"48.29","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"302.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-01-25"},{"SOURCE_ROW_NUMBER":"1185534","VIOLATION_NO":"9106196","ISSUE_DT":"04/11/2017","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"259.00","CURRENT_ASSESSMENT_AMT":"259.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"1185533","VIOLATION_NO":"9106195","ISSUE_DT":"04/11/2017","CFR_STANDARD_CD":"75.1725(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"677.00","CURRENT_ASSESSMENT_AMT":"542.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"1185532","VIOLATION_NO":"9106194","ISSUE_DT":"04/11/2017","CFR_STANDARD_CD":"75.1914(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"677.00","CURRENT_ASSESSMENT_AMT":"474.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"1185531","VIOLATION_NO":"9106193","ISSUE_DT":"04/11/2017","CFR_STANDARD_CD":"75.1911(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"1185530","VIOLATION_NO":"9106192","ISSUE_DT":"04/03/2017","CFR_STANDARD_CD":"75.333(d)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"330.00","CURRENT_ASSESSMENT_AMT":"330.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-04-03"},{"SOURCE_ROW_NUMBER":"1185529","VIOLATION_NO":"9106191","ISSUE_DT":"04/03/2017","CFR_STANDARD_CD":"75.320(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"453.00","CURRENT_ASSESSMENT_AMT":"453.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-04-03"},{"SOURCE_ROW_NUMBER":"1185528","VIOLATION_NO":"9106190","ISSUE_DT":"04/03/2017","CFR_STANDARD_CD":"75.320(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"135.00","CURRENT_ASSESSMENT_AMT":"135.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-04-03"},{"SOURCE_ROW_NUMBER":"1185527","VIOLATION_NO":"9106189","ISSUE_DT":"04/03/2017","CFR_STANDARD_CD":"75.320(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"135.00","CURRENT_ASSESSMENT_AMT":"135.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-04-03"},{"SOURCE_ROW_NUMBER":"2004702","VIOLATION_NO":"9102547","ISSUE_DT":"03/03/2017","CFR_STANDARD_CD":"75.1911(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"135.00","CURRENT_ASSESSMENT_AMT":"135.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-03-03"},{"SOURCE_ROW_NUMBER":"2004701","VIOLATION_NO":"9102546","ISSUE_DT":"03/03/2017","CFR_STANDARD_CD":"75.1911(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"135.00","CURRENT_ASSESSMENT_AMT":"135.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-03-03"},{"SOURCE_ROW_NUMBER":"2004700","VIOLATION_NO":"9102545","ISSUE_DT":"02/13/2017","CFR_STANDARD_CD":"75.202(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"173.00","CURRENT_ASSESSMENT_AMT":"173.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-02-13"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":1164,"firstDate":"2009-06-08","lastDate":"2022-02-01","metrics":{"appeals":12,"decisions":1164,"recentRows":2,"decisionPenalty":1819560,"originalPenalty":2868661},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"147242","VIOLATION_NO":"9109881","DOCKET_NO":"LAKE 2021-0124","DECISION_DT":"02/01/2022","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"302.00","DECISION_PENALTY_AMT":"125.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Simonton","sourceDate":"2022-02-01"},{"SOURCE_ROW_NUMBER":"482475","VIOLATION_NO":"LAKE 2021-0201","DOCKET_NO":"LAKE 2021-0201","DECISION_DT":"01/31/2022","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2125.00","DECISION_PENALTY_AMT":"2125.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Simonton","sourceDate":"2022-01-31"},{"SOURCE_ROW_NUMBER":"390389","VIOLATION_NO":"9102334","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"783.00","DECISION_PENALTY_AMT":"783.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"},{"SOURCE_ROW_NUMBER":"390388","VIOLATION_NO":"9102136","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"484.00","DECISION_PENALTY_AMT":"484.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"},{"SOURCE_ROW_NUMBER":"390387","VIOLATION_NO":"9102130","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"484.00","DECISION_PENALTY_AMT":"484.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"},{"SOURCE_ROW_NUMBER":"390007","VIOLATION_NO":"9102122","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"615.00","DECISION_PENALTY_AMT":"325.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"},{"SOURCE_ROW_NUMBER":"389291","VIOLATION_NO":"9102126","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"722.00","DECISION_PENALTY_AMT":"722.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"},{"SOURCE_ROW_NUMBER":"125898","VIOLATION_NO":"9102124","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1078.00","DECISION_PENALTY_AMT":"1078.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"},{"SOURCE_ROW_NUMBER":"125347","VIOLATION_NO":"9102331","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"722.00","DECISION_PENALTY_AMT":"375.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"},{"SOURCE_ROW_NUMBER":"125345","VIOLATION_NO":"9102125","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"722.00","DECISION_PENALTY_AMT":"375.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"},{"SOURCE_ROW_NUMBER":"125344","VIOLATION_NO":"9101016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"722.00","DECISION_PENALTY_AMT":"375.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"},{"SOURCE_ROW_NUMBER":"125265","VIOLATION_NO":"9102335","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"783.00","DECISION_PENALTY_AMT":"783.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2018-02-15"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":7068,"firstDate":"2001-01-14","lastDate":"2026-08-20","metrics":{"recentRows":18,"cpdmSamples":992,"voidSamples":856,"validSamples":6212,"maxConcentration":71.295,"concentrationTotal":5876.743},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"922942","CASS_NUM":"58559004","SMP_TAKEN_DT":"8/20/2026","CONC":".031","SMP_TYPE_CD_DESC":"DESIGNATED 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":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-08-20"},{"SOURCE_ROW_NUMBER":"1426823","CASS_NUM":"58516821","SMP_TAKEN_DT":"3/26/2026","CONC":".36","SMP_TYPE_CD_DESC":"DESIGNATED 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":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-03-26"},{"SOURCE_ROW_NUMBER":"890562","CASS_NUM":"51646800","SMP_TAKEN_DT":"3/18/2026","CONC":".106","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-03-18"},{"SOURCE_ROW_NUMBER":"1440910","CASS_NUM":"51639263","SMP_TAKEN_DT":"11/12/2025","CONC":".04","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2025-11-12"},{"SOURCE_ROW_NUMBER":"1085396","CASS_NUM":"51639742","SMP_TAKEN_DT":"2/27/2025","CONC":".047","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2025-02-27"},{"SOURCE_ROW_NUMBER":"1469121","CASS_NUM":"51639794","SMP_TAKEN_DT":"11/8/2024","CONC":".048","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2024-11-08"},{"SOURCE_ROW_NUMBER":"370681","CASS_NUM":"51639618","SMP_TAKEN_DT":"8/30/2024","CONC":".033","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2024-08-30"},{"SOURCE_ROW_NUMBER":"131761","CASS_NUM":"58511258","SMP_TAKEN_DT":"8/22/2024","CONC":".073","SMP_TYPE_CD_DESC":"DESIGNATED 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":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2024-08-22"},{"SOURCE_ROW_NUMBER":"738900","CASS_NUM":"51631378","SMP_TAKEN_DT":"6/7/2024","CONC":".02","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2024-06-07"},{"SOURCE_ROW_NUMBER":"1319983","CASS_NUM":"51631304","SMP_TAKEN_DT":"2/9/2024","CONC":".027","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2024-02-09"},{"SOURCE_ROW_NUMBER":"585602","CASS_NUM":"58524601","SMP_TAKEN_DT":"2/2/2024","CONC":".067","SMP_TYPE_CD_DESC":"DESIGNATED 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":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2024-02-02"},{"SOURCE_ROW_NUMBER":"1586562","CASS_NUM":"51631083","SMP_TAKEN_DT":"11/28/2023","CONC":"0","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2023-11-28"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":93,"firstDate":"2000-11-22","lastDate":"2019-09-27","metrics":{"linkedIssuances":93},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":1152,"firstDate":"2007-07-17","lastDate":"2021-01-25","metrics":{"decisions":1152,"ssChanged":197,"recentRows":1,"decisionPenalty":1811609,"proposedPenalty":2860760},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"447004","CITATION_NO":"9109881","CITATION_ISSUE_DT":"01/25/2021","DOCKET_NO":"LAKE 2021-0124","DECISION_DT":"02/01/2022","CFR_STANDARD_CODE":"48.29","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"302.00","DECISION_PENALTY_AMT":"125.00","sourceDate":"2021-01-25"},{"SOURCE_ROW_NUMBER":"437787","CITATION_NO":"9106194","CITATION_ISSUE_DT":"04/11/2017","DOCKET_NO":"LAKE 2017-0374","DECISION_DT":"12/27/2017","CFR_STANDARD_CODE":"75.1914(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"677.00","DECISION_PENALTY_AMT":"474.00","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"153892","CITATION_NO":"9106195","CITATION_ISSUE_DT":"04/11/2017","DOCKET_NO":"LAKE 2017-0374","DECISION_DT":"12/27/2017","CFR_STANDARD_CODE":"75.1725(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"677.00","DECISION_PENALTY_AMT":"542.00","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"42941","CITATION_NO":"9102136","CITATION_ISSUE_DT":"12/01/2016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","CFR_STANDARD_CODE":"75.1100-3","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"484.00","DECISION_PENALTY_AMT":"484.00","sourceDate":"2016-12-01"},{"SOURCE_ROW_NUMBER":"382154","CITATION_NO":"9102130","CITATION_ISSUE_DT":"11/21/2016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","CFR_STANDARD_CODE":"75.380(d)(7)(vi)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"484.00","DECISION_PENALTY_AMT":"484.00","sourceDate":"2016-11-21"},{"SOURCE_ROW_NUMBER":"212744","CITATION_NO":"9102333","CITATION_ISSUE_DT":"11/17/2016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","CFR_STANDARD_CODE":"75.1731(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"783.00","DECISION_PENALTY_AMT":"492.00","sourceDate":"2016-11-17"},{"SOURCE_ROW_NUMBER":"208827","CITATION_NO":"9102334","CITATION_ISSUE_DT":"11/17/2016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","CFR_STANDARD_CODE":"75.1403","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"783.00","DECISION_PENALTY_AMT":"783.00","sourceDate":"2016-11-17"},{"SOURCE_ROW_NUMBER":"99419","CITATION_NO":"9102335","CITATION_ISSUE_DT":"11/17/2016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","CFR_STANDARD_CODE":"75.362(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"783.00","DECISION_PENALTY_AMT":"783.00","sourceDate":"2016-11-17"},{"SOURCE_ROW_NUMBER":"439602","CITATION_NO":"9102331","CITATION_ISSUE_DT":"11/15/2016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","CFR_STANDARD_CODE":"75.512","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"722.00","DECISION_PENALTY_AMT":"375.00","sourceDate":"2016-11-15"},{"SOURCE_ROW_NUMBER":"435585","CITATION_NO":"9101015","CITATION_ISSUE_DT":"11/15/2016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1078.00","DECISION_PENALTY_AMT":"550.00","sourceDate":"2016-11-15"},{"SOURCE_ROW_NUMBER":"382536","CITATION_NO":"9101016","CITATION_ISSUE_DT":"11/15/2016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","CFR_STANDARD_CODE":"75.1731(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"722.00","DECISION_PENALTY_AMT":"375.00","sourceDate":"2016-11-15"},{"SOURCE_ROW_NUMBER":"378342","CITATION_NO":"9102124","CITATION_ISSUE_DT":"11/15/2016","DOCKET_NO":"LAKE 2017-0148","DECISION_DT":"02/15/2018","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1078.00","DECISION_PENALTY_AMT":"1078.00","sourceDate":"2016-11-15"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":2795,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":16,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":606,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":15,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"2000-04-01","lastDate":"2000-04-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1034,"firstDate":"2000-09-28","lastDate":"2026-08-20","metrics":{"inspectors":1590,"recentRows":21,"onSiteHours":31265,"inspectionHours":50324.75,"inspectionSamples":3865},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"839896","EVENT_NO":"F00A30E","INSPECTION_BEGIN_DT":"08/20/2026","INSPECTION_END_DT":"08/21/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2026-08-20"},{"SOURCE_ROW_NUMBER":"400289","EVENT_NO":"F02C3F3","INSPECTION_BEGIN_DT":"03/26/2026","INSPECTION_END_DT":"03/26/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2026-03-26"},{"SOURCE_ROW_NUMBER":"831370","EVENT_NO":"F00EA1D","INSPECTION_BEGIN_DT":"07/09/2025","INSPECTION_END_DT":"07/09/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"28226","EVENT_NO":"F00974C","INSPECTION_BEGIN_DT":"03/19/2025","INSPECTION_END_DT":"03/19/2025","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2025-03-19"},{"SOURCE_ROW_NUMBER":"631164","EVENT_NO":"F004DF7","INSPECTION_BEGIN_DT":"03/04/2025","INSPECTION_END_DT":"03/06/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2025-03-04"},{"SOURCE_ROW_NUMBER":"1082464","EVENT_NO":"7037974","INSPECTION_BEGIN_DT":"02/26/2025","INSPECTION_END_DT":"02/26/2025","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2025-02-26"},{"SOURCE_ROW_NUMBER":"582988","EVENT_NO":"7037961","INSPECTION_BEGIN_DT":"09/18/2024","INSPECTION_END_DT":"09/18/2024","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"12.5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2024-09-18"},{"SOURCE_ROW_NUMBER":"825927","EVENT_NO":"7011182","INSPECTION_BEGIN_DT":"08/22/2024","INSPECTION_END_DT":"08/22/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.75","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2024-08-22"},{"SOURCE_ROW_NUMBER":"26951","EVENT_NO":"7018648","INSPECTION_BEGIN_DT":"03/26/2024","INSPECTION_END_DT":"03/26/2024","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2024-03-26"},{"SOURCE_ROW_NUMBER":"1130868","EVENT_NO":"7011164","INSPECTION_BEGIN_DT":"02/02/2024","INSPECTION_END_DT":"02/02/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2024-02-02"},{"SOURCE_ROW_NUMBER":"854969","EVENT_NO":"7018636","INSPECTION_BEGIN_DT":"09/13/2023","INSPECTION_END_DT":"09/13/2023","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2023-09-13"},{"SOURCE_ROW_NUMBER":"342394","EVENT_NO":"7010942","INSPECTION_BEGIN_DT":"08/02/2023","INSPECTION_END_DT":"08/11/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"18.5","SUM_TOTAL_ON_SITE_HOURS":"12.5","sourceDate":"2023-08-02"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":374,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":1029,"employees":2,"production":0},"2026-Q1":{"hours":1817,"employees":4,"production":0},"2025-Q4":{"hours":4377,"employees":7,"production":0},"2025-Q3":{"hours":1343,"employees":2,"production":0},"2025-Q2":{"hours":1164,"employees":2,"production":0},"2025-Q1":{"hours":686,"employees":2,"production":0},"2024-Q4":{"hours":741,"employees":2,"production":0},"2024-Q3":{"hours":923,"employees":2,"production":0},"2024-Q2":{"hours":982,"employees":2,"production":0},"2024-Q1":{"hours":871,"employees":2,"production":0},"2023-Q4":{"hours":696,"employees":2,"production":0},"2023-Q3":{"hours":814,"employees":2,"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":80,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":41738,"employees":42,"production":0},"2018":{"hours":10044,"employees":9,"production":0},"2019":{"hours":11346,"employees":8,"production":0},"2020":{"hours":6988,"employees":7,"production":0},"2021":{"hours":2587,"employees":4,"production":0},"2022":{"hours":1360,"employees":1,"production":0},"2023":{"hours":3245,"employees":2,"production":0},"2024":{"hours":3517,"employees":2,"production":0},"2025":{"hours":7570,"employees":3,"production":0},"2026":{"hours":2846,"employees":3,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-noise-samples","name":"Noise Samples","domains":["health","safety","equipment"],"products":["hearing exposure","machine and manufacturer patterns","occupation coverage"],"rowCount":643,"firstDate":"2003-07-14","lastDate":"2026-08-20","metrics":{"recentRows":4,"doseOver100":151,"actDoseTotal":139893,"pelDoseTotal":37338},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"22482","EVENT_NO":"F00A30E","SURVEY_DATE":"08/20/2026","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"22","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2026-08-20"},{"SOURCE_ROW_NUMBER":"22483","EVENT_NO":"F02C3F3","SURVEY_DATE":"03/26/2026","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"17","PEL_DOSE_90":"67","SURVEY_TYPE":"I","sourceDate":"2026-03-26"},{"SOURCE_ROW_NUMBER":"22481","EVENT_NO":"7011164","SURVEY_DATE":"02/02/2024","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"48","PEL_DOSE_90":"36","SURVEY_TYPE":"I","sourceDate":"2024-02-02"},{"SOURCE_ROW_NUMBER":"22480","EVENT_NO":"7010712","SURVEY_DATE":"03/21/2023","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"64","PEL_DOSE_90":"50","SURVEY_TYPE":"I","sourceDate":"2023-03-21"},{"SOURCE_ROW_NUMBER":"22479","EVENT_NO":"6458942","SURVEY_DATE":"11/01/2016","OCCUPATION_CD_DESC":"SUPPLY MAN","MACHINE_CD":"38","MANUFACTURER_CD":"120","ACT_DOSE_85":"102","PEL_DOSE_90":"92","SURVEY_TYPE":"I","sourceDate":"2016-11-01"},{"SOURCE_ROW_NUMBER":"22478","EVENT_NO":"6458942","SURVEY_DATE":"11/01/2016","OCCUPATION_CD_DESC":"SAFETY DIRECTOR","MACHINE_CD":"40","MANUFACTURER_CD":"120","ACT_DOSE_85":"35","PEL_DOSE_90":"12","SURVEY_TYPE":"I","sourceDate":"2016-11-01"},{"SOURCE_ROW_NUMBER":"22477","EVENT_NO":"6458942","SURVEY_DATE":"11/01/2016","OCCUPATION_CD_DESC":"MECHANIC","MACHINE_CD":"40","MANUFACTURER_CD":"120","ACT_DOSE_85":"32","PEL_DOSE_90":"17","SURVEY_TYPE":"I","sourceDate":"2016-11-01"},{"SOURCE_ROW_NUMBER":"22476","EVENT_NO":"6458942","SURVEY_DATE":"11/01/2016","OCCUPATION_CD_DESC":"MINE FOREMAN/MINE MANAGER","MACHINE_CD":"40","MANUFACTURER_CD":"120","ACT_DOSE_85":"27","PEL_DOSE_90":"7","SURVEY_TYPE":"I","sourceDate":"2016-11-01"},{"SOURCE_ROW_NUMBER":"22475","EVENT_NO":"6458942","SURVEY_DATE":"11/01/2016","OCCUPATION_CD_DESC":"BELT MAN/CONVEYOR MAN","MACHINE_CD":"40","MANUFACTURER_CD":"120","ACT_DOSE_85":"49","PEL_DOSE_90":"28","SURVEY_TYPE":"I","sourceDate":"2016-11-01"},{"SOURCE_ROW_NUMBER":"22474","EVENT_NO":"6458942","SURVEY_DATE":"10/24/2016","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"73","PEL_DOSE_90":"53","SURVEY_TYPE":"I","sourceDate":"2016-10-24"},{"SOURCE_ROW_NUMBER":"22473","EVENT_NO":"6458942","SURVEY_DATE":"10/24/2016","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"119","ACT_DOSE_85":"63","PEL_DOSE_90":"42","SURVEY_TYPE":"I","sourceDate":"2016-10-24"},{"SOURCE_ROW_NUMBER":"22472","EVENT_NO":"6458942","SURVEY_DATE":"10/24/2016","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"119","ACT_DOSE_85":"67","PEL_DOSE_90":"49","SURVEY_TYPE":"I","sourceDate":"2016-10-24"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":504,"firstDate":"2003-01-30","lastDate":"2026-03-26","metrics":{"recentRows":2,"voidSamples":50,"maxQuartzPct":12.1,"validSamples":454,"quartzPctTotal":1042.3},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"162384","CASSETTE_NO":"58516821","SAMPLE_DT":"03/26/2026","QUARTZ_PCT":"02.4","QUARTZ_MICROGRAMS":"8","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-03-26"},{"SOURCE_ROW_NUMBER":"151149","CASSETTE_NO":"58524692","SAMPLE_DT":"08/11/2023","QUARTZ_PCT":"12.1","QUARTZ_MICROGRAMS":"20","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-08-11"},{"SOURCE_ROW_NUMBER":"165450","CASSETTE_NO":"58284782","SAMPLE_DT":"11/07/2016","QUARTZ_PCT":"01.5","QUARTZ_MICROGRAMS":"10","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2016-11-07"},{"SOURCE_ROW_NUMBER":"153110","CASSETTE_NO":"58284896","SAMPLE_DT":"11/07/2016","QUARTZ_PCT":"01.8","QUARTZ_MICROGRAMS":"12","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"MMU NOT IN PRODUCING STATUS","sourceDate":"2016-11-07"},{"SOURCE_ROW_NUMBER":"132828","CASSETTE_NO":"58285782","SAMPLE_DT":"11/07/2016","QUARTZ_PCT":"01.2","QUARTZ_MICROGRAMS":"8","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2016-11-07"},{"SOURCE_ROW_NUMBER":"127860","CASSETTE_NO":"58284920","SAMPLE_DT":"11/07/2016","QUARTZ_PCT":"01.0","QUARTZ_MICROGRAMS":"8","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"MMU NOT IN PRODUCING STATUS","sourceDate":"2016-11-07"},{"SOURCE_ROW_NUMBER":"112528","CASSETTE_NO":"58284714","SAMPLE_DT":"11/07/2016","QUARTZ_PCT":"02.4","QUARTZ_MICROGRAMS":"18","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"MMU NOT IN PRODUCING STATUS","sourceDate":"2016-11-07"},{"SOURCE_ROW_NUMBER":"105745","CASSETTE_NO":"58285675","SAMPLE_DT":"11/07/2016","QUARTZ_PCT":"00.9","QUARTZ_MICROGRAMS":"8","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"MMU NOT IN PRODUCING STATUS","sourceDate":"2016-11-07"},{"SOURCE_ROW_NUMBER":"103823","CASSETTE_NO":"58284912","SAMPLE_DT":"11/07/2016","QUARTZ_PCT":"01.6","QUARTZ_MICROGRAMS":"14","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"MMU NOT IN PRODUCING STATUS","sourceDate":"2016-11-07"},{"SOURCE_ROW_NUMBER":"102090","CASSETTE_NO":"58285801","SAMPLE_DT":"11/07/2016","QUARTZ_PCT":"02.3","QUARTZ_MICROGRAMS":"14","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"MMU NOT IN PRODUCING STATUS","sourceDate":"2016-11-07"},{"SOURCE_ROW_NUMBER":"120303","CASSETTE_NO":"58284771","SAMPLE_DT":"11/01/2016","QUARTZ_PCT":"02.1","QUARTZ_MICROGRAMS":"6","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2016-11-01"},{"SOURCE_ROW_NUMBER":"79014","CASSETTE_NO":"58284789","SAMPLE_DT":"11/01/2016","QUARTZ_PCT":"01.5","QUARTZ_MICROGRAMS":"10","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2016-11-01"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":4069,"firstDate":"2000-10-10","lastDate":"2021-01-25","metrics":{"ss":836,"amountDue":2706687,"contested":444,"amountPaid":2706687,"recentRows":1,"section104d":14,"unterminated":3,"proposedPenalty":3720607},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"522464","VIOLATION_NO":"9109881","VIOLATION_ISSUE_DT":"01/25/2021","SIG_SUB":"N","PART_SECTION":"48.29","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/08/2021","PROPOSED_PENALTY":"302","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-01-25"},{"SOURCE_ROW_NUMBER":"523314","VIOLATION_NO":"9106196","VIOLATION_ISSUE_DT":"04/11/2017","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"3","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2017","PROPOSED_PENALTY":"259","AMOUNT_DUE":"259","AMOUNT_PAID":"259","CONTESTED_IND":"N","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"523313","VIOLATION_NO":"9106195","VIOLATION_ISSUE_DT":"04/11/2017","SIG_SUB":"Y","PART_SECTION":"75.1725(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2017","PROPOSED_PENALTY":"677","AMOUNT_DUE":"542","AMOUNT_PAID":"542","CONTESTED_IND":"N","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"523312","VIOLATION_NO":"9106194","VIOLATION_ISSUE_DT":"04/11/2017","SIG_SUB":"Y","PART_SECTION":"75.1914(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/12/2017","PROPOSED_PENALTY":"677","AMOUNT_DUE":"474","AMOUNT_PAID":"474","CONTESTED_IND":"N","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"523311","VIOLATION_NO":"9106193","VIOLATION_ISSUE_DT":"04/11/2017","SIG_SUB":"N","PART_SECTION":"75.1911(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/11/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"116","CONTESTED_IND":"N","sourceDate":"2017-04-11"},{"SOURCE_ROW_NUMBER":"523310","VIOLATION_NO":"9106192","VIOLATION_ISSUE_DT":"04/03/2017","SIG_SUB":"N","PART_SECTION":"75.333(d)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"7","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/03/2017","PROPOSED_PENALTY":"330","AMOUNT_DUE":"330","AMOUNT_PAID":"330","CONTESTED_IND":"N","sourceDate":"2017-04-03"},{"SOURCE_ROW_NUMBER":"523309","VIOLATION_NO":"9106191","VIOLATION_ISSUE_DT":"04/03/2017","SIG_SUB":"N","PART_SECTION":"75.320(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"04/10/2017","PROPOSED_PENALTY":"453","AMOUNT_DUE":"453","AMOUNT_PAID":"453","CONTESTED_IND":"N","sourceDate":"2017-04-03"},{"SOURCE_ROW_NUMBER":"523308","VIOLATION_NO":"9106190","VIOLATION_ISSUE_DT":"04/03/2017","SIG_SUB":"N","PART_SECTION":"75.320(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/03/2017","PROPOSED_PENALTY":"135","AMOUNT_DUE":"135","AMOUNT_PAID":"135","CONTESTED_IND":"N","sourceDate":"2017-04-03"},{"SOURCE_ROW_NUMBER":"523307","VIOLATION_NO":"9106189","VIOLATION_ISSUE_DT":"04/03/2017","SIG_SUB":"N","PART_SECTION":"75.320(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/03/2017","PROPOSED_PENALTY":"135","AMOUNT_DUE":"135","AMOUNT_PAID":"135","CONTESTED_IND":"N","sourceDate":"2017-04-03"},{"SOURCE_ROW_NUMBER":"522387","VIOLATION_NO":"9102547","VIOLATION_ISSUE_DT":"03/03/2017","SIG_SUB":"N","PART_SECTION":"75.1911(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/07/2017","PROPOSED_PENALTY":"135","AMOUNT_DUE":"135","AMOUNT_PAID":"135","CONTESTED_IND":"N","sourceDate":"2017-03-03"},{"SOURCE_ROW_NUMBER":"522386","VIOLATION_NO":"9102546","VIOLATION_ISSUE_DT":"03/03/2017","SIG_SUB":"N","PART_SECTION":"75.1911(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/03/2017","PROPOSED_PENALTY":"135","AMOUNT_DUE":"135","AMOUNT_PAID":"135","CONTESTED_IND":"N","sourceDate":"2017-03-03"},{"SOURCE_ROW_NUMBER":"522385","VIOLATION_NO":"9102545","VIOLATION_ISSUE_DT":"02/13/2017","SIG_SUB":"N","PART_SECTION":"75.202(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/15/2017","PROPOSED_PENALTY":"173","AMOUNT_DUE":"173","AMOUNT_PAID":"173","CONTESTED_IND":"N","sourceDate":"2017-02-13"}]}],"safety":{"href":"/api/v1/mines/1103058/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1103058/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 48.29","heading":"Records of training.","id":"48.29","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.29","part":"48","partHeading":"PART 48—TRAINING AND RETRAINING OF MINERS","subchapter":"H","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","subpart":"B","subpartHeading":"Subpart B—Training and Retraining of Miners Working at Surface Mines and Surface Areas of Underground Mines","text":"(a) Upon a miner's completion of each MSHA approved training program, the operator shall record and certify on MSHA form 5000-23 that the miner has received the specified training. A copy of the training certificate shall be given to the miner at the completion of the training. The training certificates for each miner shall be available at the mine site for inspection by MSHA and for examination by the miners, the miners' representative and State inspection agencies. When a miner leaves the operator's employ, the miner shall be entitled to a copy of his training certificates.\n\n(b) False certification that training was given shall be punishable under section 110 (a) and (f) of the Act.\n\n(c) Copies of training certificates for currently employed miners shall be kept at the mine site for 2 years, or for 60 days after termination of employment.\n\n(Pub. L. No. 96-511, 94 Stat. 2812 (44 U.S.C. 3501 et seq.))\n\n[43 FR 47459, Oct. 13, 1978, as amended at 47 FR 14706, Apr. 6, 1982; 60 FR 33723, June 29, 1995]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.400","heading":"Accumulation of combustible materials.","id":"75.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"Coal dust, including float coal dust deposited on rock-dusted surfaces, loose coal, and other combustible materials, shall be cleaned up and not be permitted to accumulate in active workings, or on diesel-powered and electric equipment therein.\n\n[61 FR 55527, Oct. 25, 1996]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1725","heading":"Machinery and equipment; operation and maintenance.","id":"75.1725","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"R","subpartHeading":"Subpart R—Miscellaneous","text":"(a) Mobile and stationary machinery and equipment shall be maintained in safe operating condition and machinery or equipment in unsafe condition shall be removed from service immediately.\n\n(b) Machinery and equipment shall be operated only by persons authorized to operate such machinery or equipment.\n\n(c) Repairs or maintenance shall not be performed on machinery until the power is off and the machinery is blocked against motion, except where machinery motion is necessary to make adjustments.\n\n(d) Machinery shall not be lubricated manually while in motion, unless equipped with extended fittings or cups.\n\n[38 FR 4976, Feb. 23, 1973]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1914","heading":"Maintenance of diesel-powered equipment.","id":"75.1914","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-T/section-75.1914","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"T","subpartHeading":"Subpart T—Diesel-Powered Equipment","text":"(a) Diesel-powered equipment shall be maintained in approved and safe condition or removed from service.\n\n(b) Maintenance and repairs of approved features and those features required by §§ 75.1909 and 75.1910 on diesel-powered equipment shall be made only by a person qualified under § 75.1915.\n\n(c) The water scrubber system on diesel-powered equipment shall be drained and flushed, by a person who is trained to perform this task, at least once on each shift in which the equipment is operated.\n\n(d) The intake air filter on diesel-powered equipment shall be replaced or serviced, by a person who is trained to perform this task, when the intake air pressure drop device so indicates or when the engine manufacturer's maximum allowable air pressure drop level is exceeded.\n\n(e) Mobile diesel-powered equipment that is to be used during a shift shall be visually examined by the equipment operator before being placed in operation. Equipment defects affecting safety shall be reported promptly to the mine operator.\n\n(f) All diesel-powered equipment shall be examined and tested weekly by a person qualified under § 75.1915.\n\n(1) Examinations and tests shall be conducted in accordance with approved checklists and manufacturers' maintenance manuals.\n\n(2) Persons performing weekly examinations and tests of diesel-powered equipment under this paragraph shall make a record when the equipment is not in approved or safe condition. The record shall include the equipment that is not in approved or safe condition, the defect found, and the corrective action taken.\n\n(g) Undiluted exhaust emissions of diesel engines in diesel-powered equipment approved under part 36 and heavy-duty nonpermissible diesel-powered equipment as defined in § 75.1908(a) in use in underground coal mines shall be tested and evaluated weekly by a person who is trained to perform this task. The mine operator shall develop and implement written standard operating procedures for such testing and evaluation that specify the following:\n\n(1) The method of achieving a repeatable loaded engine operating condition for each type of equipment;\n\n(2) Sampling and analytical methods (including calibration of instrumentation) that are capable of accurately detecting carbon monoxide in the expected concentrations;\n\n(3) The method of evaluation and interpretation of the results;\n\n(4) The concentration or changes in concentration of carbon monoxide that will indicate a change in engine performance. Carbon monoxide concentration shall not exceed 2500 parts per million; and\n\n(5) The maintenance of records necessary to track engine performance.\n\n(h) Recordkeeping. Records required by paragraphs (f)(2) and (g)(5) shall be—\n\n(1) Recorded in a secure book that is not susceptible to alteration, or recorded electronically in a computer system that is secure and not susceptible to alteration; and\n\n(2) Retained at a surface location at the mine for at least 1 year and made available for inspection by an authorized representative of the Secretary and by miners' representatives.\n\n(i) Diesel-powered equipment must be maintained in accordance with this part as of November 25, 1997.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1911","heading":"Fire suppression systems for diesel-powered equipment and fuel transportation units.","id":"75.1911","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-T/section-75.1911","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"T","subpartHeading":"Subpart T—Diesel-Powered Equipment","text":"(a) The fire suppression system required by §§ 75.1907 and 75.1909 shall be a multipurpose dry chemical type (ABC) fire suppression system listed or approved by a nationally recognized independent testing laboratory and appropriate for installation on diesel-powered equipment and fuel transportation units.\n\n(1) The system shall be installed in accordance with the manufacturer's specifications and the limitations of the listing or approval.\n\n(2) The system shall be installed in a protected location or guarded to minimize physical damage from routine vehicle operations.\n\n(3) Suppressant agent distribution tubing or piping shall be secured and protected against damage, including pinching, crimping, stretching, abrasion, and corrosion.\n\n(4) Discharge nozzles shall be positioned and aimed for maximum fire suppression effectiveness. Nozzles shall also be protected against the entrance of foreign materials such as mud, coal dust, or rock dust.\n\n(b) The fire suppression system shall provide fire suppression and, if automatic, fire detection for the engine including the starter, transmission, hydraulic pumps and tanks, fuel tanks, exposed brake units, air compressors and battery areas on diesel-powered equipment and electric panels or controls used on fuel transportation units and other areas as necessary.\n\n(c) If automatic, the fire suppression system shall include audible and visual alarms to warn of fires or system faults.\n\n(d) The fire suppression system shall provide for automatic engine shutdown. If the fire suppression system is automatic, engine shutdown and discharge of suppressant agent may be delayed for a maximum of 15 seconds after the fire is detected by the system.\n\n(e) The fire suppression system shall be operable by at least two manual actuators. One actuator shall be located on each side of the equipment. If the equipment is provided with an operator's compartment, one of the manual actuators shall be located in the compartment within reach of the operator.\n\n(f) The fire suppression system shall remain operative in the event of engine shutdown, equipment electrical system failure, or failure of any other equipment system.\n\n(g) The electrical components of each fire suppression system installed on equipment used where permissible electric equipment is required shall be permissible or intrinsically safe and such components shall be maintained in permissible or intrinsically safe condition.\n\n(h) Electrically operated detection and actuation circuits shall be monitored and provided with status indicators showing power and circuit continuity. If the system is not electrically operated, a means shall be provided to indicate the functional readiness status of the detection system.\n\n(i) Each fire suppression system shall be tested and maintained in accordance with the manufacturer's recommended inspection and maintenance program and as required by the nationally recognized independent testing laboratory listing or approval, and be visually inspected at least once each week by a person trained to make such inspections.\n\n(j) Recordkeeping. Persons performing inspections and tests of fire suppression systems under paragraph (i) shall record when a fire suppression system does not meet the installation or maintenance requirements of this section.\n\n(1) The record shall include the equipment on which the fire suppression system did not meet the installation or maintenance requirements of this section, the defect found, and the corrective action taken.\n\n(2) Records are to be kept manually in a secure manner not susceptible to alteration or recorded electronically in a secured computer system that is not susceptible to alteration.\n\n(3) Records shall be maintained at a surface location at the mine for one year and made available for inspection by an authorized representative of the Secretary and miners' representatives.\n\n(k) All miners normally assigned to the active workings of the mine shall be instructed about the hazards inherent to the operation of the fire suppression systems and, where appropriate, the safeguards available for each system.\n\n(l) For purposes of § 75.380(f), a fire suppression system installed on diesel-powered equipment and meeting the requirements of this section is equivalent to a fire suppression system meeting the requirements of §§ 75.1107-3 through 75.1107-16.","occurrenceCount":3},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.333","heading":"Ventilation controls.","id":"75.333","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"D","subpartHeading":"Subpart D—Ventilation","text":"(a) For purposes of this section, “doors” include any door frames.\n\n(b) Permanent stoppings or other permanent ventilation control devices constructed after November 15, 1992, shall be built and maintained—\n\n(1) Between intake and return air courses, except temporary controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the room was developed including where continuous face haulage systems are used in such rooms. Unless otherwise approved in the ventilation plan, these stoppings or controls shall be maintained to and including the third connecting crosscut outby the working face;\n\n(2) To separate belt conveyor haulageways from return air courses, except where belt entries in areas of mines developed before March 30, 1970, are used as return air courses;\n\n(3) To separate belt conveyor haulageways from intake air courses when the air in the intake air courses is used to provide air to active working places. Temporary ventilation controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the rooms were developed including where continuous face haulage systems are used in such rooms. When continuous face haulage systems are used, permanent stoppings or other permanent ventilation control devices shall be built and maintained to the outby most point of travel of the dolly or 600 feet from the point of deepest penetration in the conveyor belt entry, whichever distance is closer to the point of deepest penetration, to separate the continuous haulage entry from the intake entries;\n\n(4) To separate the primary escapeway from belt and trolley haulage entries, as required by § 75.380(g). For the purposes of § 75.380(g), the loading point for a continuous haulage system shall be the outby most point of travel of the dolly or 600 feet from the point of deepest penetration, whichever distance is less; and\n\n(5) In return air courses to direct air into adjacent worked-out areas.\n\n(c) Personnel doors shall be constructed of noncombustible material and shall be of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between air courses, and shall be installed as follows in permanent stoppings constructed after November 15, 1992:\n\n(1) The distance between personnel doors shall be no more than 300 feet in seam heights below 48 inches and 600 feet in seam heights 48 inches or higher.\n\n(2) The location of all personnel doors in stoppings along escapeways shall be clearly marked so that the doors may be easily identified by anyone traveling in the escapeway and in the entries on either side of the doors.\n\n(3) When not in use, personnel doors shall be closed.\n\n(4) An airlock shall be established where the air pressure differential between air courses creates a static force exceeding 125 pounds on closed personnel doors along escapeways.\n\n(d) Doors, other than personnel doors, constructed after November 15, 1992, that are used in lieu of permanent stoppings or to control ventilation within an air course shall be:\n\n(1) Made of noncombustible material or coated on all accessible surfaces with flame-retardant materials having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(2) Of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between or within air courses or entries.\n\n(3) Installed in pairs to form an airlock. When an airlock is used, one side of the airlock shall remain closed. When not in use, both sides shall be closed.\n\n(e)(1)(i) Except as provided in paragraphs (e)(2), (3), and (4) of this section, all overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after June 10, 1996, shall be constructed in a traditionally accepted method and of materials that have been demonstrated to perform adequately or in a method and of materials that have been tested and shown to have a minimum strength equal to or greater than the traditionally accepted in-mine controls. Tests may be performed under ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction” (Section 12-Transverse Load-Specimen Vertical, load, only), or the operator may conduct comparative in-mine tests. In-mine tests shall be designed to demonstrate the comparative strength of the proposed construction and a traditionally accepted in-mine control. The publication ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction,” is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(ii) All overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after November 15, 1992, shall be constructed of noncombustible material. Materials that are suitable for the construction of overcasts, undercasts, shaft partitions, permanent stoppings, and regulators include concrete, concrete block, brick, cinder block, tile, or steel. No ventilation controls installed after November 15, 1992, shall be constructed of aluminum.\n\n(2) In anthracite mines, permanent stoppings may be constructed of overlapping layers of hardwood mine boards, if the stoppings are a minimum 2 inches thick.\n\n(3) When timbers are used to create permanent stoppings in heaving or caving areas, the stoppings shall be coated on all accessible surfaces with a flame-retardant material having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(4) In anthracite mines, doors and regulators may be constructed of overlapping layers of hardwood boards, if the doors, door frames, and regulators are a minimum 2 inches thick.\n\n(f) When sealants are applied to ventilation controls, the sealant shall have a flame-spread index of 25 or less under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(g) Before mining is discontinued in an entry or room that is advanced more than 20 feet from the inby rib, a crosscut shall be made or line brattice shall be installed and maintained to provide adequate ventilation. When conditions such as methane liberation warrant a distance less than 20 feet, the approved ventilation plan shall specify the location of such rooms or entries and the maximum distance they will be developed before a crosscut is made or line brattice is installed.\n\n(h) All ventilation controls, including seals, shall be maintained to serve the purpose for which they were built.\n\n[61 FR 9829, Mar. 11, 1996; 61 FR 20877, May 8, 1996; 61 FR 26442, May 28, 1996; 61 FR 29288, 29289, June 10, 1996, as amended at 67 FR 38386, June 4, 2002; 71 FR 16668, Apr. 3, 2006; 73 FR 80612, Dec. 31, 2008; 80 FR 52991, Sept. 2, 2015; 91 FR 9448, Feb. 26, 2026]","occurrenceCount":1},{"chapter":"I","heading":"Air quality detectors and measurement devices.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.320","part":"75","subchapter":"O","subpart":"D","id":"75.320","citation":"30 CFR 75.320","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":3},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.202","heading":"Protection from falls of roof, face and ribs.","id":"75.202","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Roof Support","text":"(a) The roof, face and ribs of areas where persons work or travel shall be supported or otherwise controlled to protect persons from hazards related to falls of the roof, face or ribs and coal or rock bursts.\n\n(b) No person shall work or travel under unsupported roof unless in accordance with this subpart.","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1103058","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}