{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4406985","name":"Mine No 3","status":"Abandoned and Sealed","status_date":"2006-06-26","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"VA","county":"Dickenson","nearest_town":"Haysi","operator_id":"0053714","operator_name":"Double A Mining Inc","controller_id":"C14881","controller_name":"O A  Stump Jr","district":"C05","office":"Vansant VA Field Office","employees":0,"latitude":37.089444,"longitude":-82.265277},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":1811},"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":"4406985","name":"Mine No 3"},"operator":{"type":"operator","id":"0053714","name":"Double A Mining Inc"},"controller":{"type":"controller","id":"C14881","name":"O A  Stump Jr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00230","name":"Pittston Company"},"object":{"type":"mine","id":"4406985","name":"Mine No 3"},"validFrom":"1986-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|C00230|1986-06-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17909","name":"Paramont Coal Corporation"},"object":{"type":"mine","id":"4406985","name":"Mine No 3"},"validFrom":"2000-03-01","validTo":"2002-12-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|P17909|2000-03-01|2002-12-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00230","name":"Pittston Company"},"object":{"type":"operator","id":"P17909","name":"Paramont Coal Corporation"},"validFrom":"2000-03-01","validTo":"2002-12-12","current":false,"derived":true,"evidenceMineId":"4406985","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|P17909|2000-03-01|C00230|1986-06-01|45339"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16022","name":"Tom  Roberts et al"},"object":{"type":"mine","id":"4406985","name":"Mine No 3"},"validFrom":"2001-12-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|C16022|2001-12-11|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050885","name":"Paramont Coal Company Virginia, LLC"},"object":{"type":"mine","id":"4406985","name":"Mine No 3"},"validFrom":"2002-12-13","validTo":"2003-04-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|0050885|2002-12-13|2003-04-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4406985","name":"Mine No 3"},"validFrom":"2002-12-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|0041211|2002-12-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"0050885","name":"Paramont Coal Company Virginia, LLC"},"validFrom":"2002-12-13","validTo":"2003-04-22","current":false,"derived":true,"evidenceMineId":"4406985","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|0050885|2002-12-13|0041211|2002-12-13|1595"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050090","name":"Kelly Branch Resources Incorporated"},"object":{"type":"mine","id":"4406985","name":"Mine No 3"},"validFrom":"2003-04-23","validTo":"2005-03-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|0050090|2003-04-23|2005-03-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16022","name":"Tom  Roberts et al"},"object":{"type":"operator","id":"0050090","name":"Kelly Branch Resources Incorporated"},"validFrom":"2003-04-23","validTo":"2005-03-06","current":false,"derived":true,"evidenceMineId":"4406985","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|0050090|2003-04-23|C16022|2001-12-11|98091"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14881","name":"O A  Stump Jr et al"},"object":{"type":"mine","id":"4406985","name":"Mine No 3"},"validFrom":"2004-04-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|C14881|2004-04-13|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0053714","name":"Double A Mining Inc"},"object":{"type":"mine","id":"4406985","name":"Mine No 3"},"validFrom":"2005-03-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|0053714|2005-03-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14881","name":"O A  Stump Jr et al"},"object":{"type":"operator","id":"0053714","name":"Double A Mining Inc"},"validFrom":"2005-03-07","validTo":null,"current":true,"derived":true,"evidenceMineId":"4406985","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406985|0053714|2005-03-07|C14881|2004-04-13|94186"}}],"coverage":{"historyRecords":4,"edgeCount":12,"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":21,"firstDate":"2000-07-24","lastDate":"2004-07-14","metrics":{"daysLost":1024,"injuries":16,"fatalities":0,"recentRows":0,"restrictedDays":156,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"184014","DOCUMENT_NO":"220042290082","ACCIDENT_DT":"07/14/2004","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Continuous miner operator, Coal mole operator","NO_INJURIES":"1","DAYS_LOST":"236","NARRATIVE":"THE EMPLOYEE SAID THAT HE WAS CUTTING AND LOADING COAL WITH THE CONTINUOUS MINER WHEN THE COAL RIB ROLLED AND STRUCK HIM IN THE UPPER BACK.","sourceDate":"2004-07-14"},{"SOURCE_ROW_NUMBER":"158193","DOCUMENT_NO":"220042470047","ACCIDENT_DT":"06/29/2004","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"241","NARRATIVE":"Employee said he raised lid on battery to water the batteries on the 488 scoop and that the lid fell, striking him on the hand, left hand, hurting middle index finger.","sourceDate":"2004-06-29"},{"SOURCE_ROW_NUMBER":"136558","DOCUMENT_NO":"220042470046","ACCIDENT_DT":"05/21/2004","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"267","NARRATIVE":"Employee claims back injury while laying track.","sourceDate":"2004-05-21"},{"SOURCE_ROW_NUMBER":"248574","DOCUMENT_NO":"220023010125","ACCIDENT_DT":"10/23/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"ROOF FALL WAS DISCOVERED BY THE SECTION FOREMAN. IT WAS APPROXIMATELY 7250' OUT OF THE FACE AREA AND WAS BY THE #7 ENTRY. THE AREA MEASURED 23' X 21' WIDE X 12' HIGH AND DOES NOT AFFECT VENTIL ATION AND NO EQUIPMENT OR PEOPLE WERE INVOLVED.","sourceDate":"2002-10-23"},{"SOURCE_ROW_NUMBER":"136557","DOCUMENT_NO":"220022350038","ACCIDENT_DT":"08/18/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"THIS FALL OF THE MINE ROOF WAS DISCOVERED BY FOREMAN WHILE TRAVELING THE INTAKE AIRWAY TO THE WORKING SECTION. FALL WILL NOT BE CLEANED UP, VENTILATION NOT AFFECTED NOR THE ESCAPEWAY AFFECTED. THE AREA WAS BOLTED WITH 6' TENSION POINT ANCHOR BOLTS. FALL WAS APPROXIMATELY 9100 FEET OUTBY THE WORKING SECTION #2 BELTLINE OF THE NORTHWEST MAINS.","sourceDate":"2002-08-18"},{"SOURCE_ROW_NUMBER":"201091","DOCUMENT_NO":"220022350041","ACCIDENT_DT":"08/17/2002","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"THE FALL OCCURRED AS THE 001 CONTINUOUS MINER WAS CUTTING THE RIGHT PILLAR CUT OUT OF THE #4 BLOCK. THE MINER WAS CAUGHT FROM THE CUTTER DRUMS BACK TO THE CUTTER BOOM HINGE POINT. THIS MINE US ES THE MINERS TO PILLAR WITH UTILIZING THE 3-CUT PILLAR PLAN. THE INCIDENT OCCURRED APPROXIMATELY 70' INBY SURVEY STATION #3587.","sourceDate":"2002-08-17"},{"SOURCE_ROW_NUMBER":"54879","DOCUMENT_NO":"220022060016","ACCIDENT_DT":"07/17/2002","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","NARRATIVE":"EE WAS CLEANING BELT WHEN HE WAS EMPTYING HIS SHOVEL WHEN HIS SHOVEL CONTACTED A PIECE OF ROCK THAT WAS ON THE BELT CAUSING THE SHOVEL TO KICK BACK AND THE HANDLE STRUCK THE EE INT HE MOUTH CA USING 2 FRACTURE OF 2 TOOTH.","sourceDate":"2002-07-17"},{"SOURCE_ROW_NUMBER":"261557","DOCUMENT_NO":"220021860042","ACCIDENT_DT":"06/26/2002","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Rock driller","NO_INJURIES":"1","DAYS_LOST":"7","NARRATIVE":"EE WAS KNEELING BESIDE ROOF BOLTER WHEN THE EE WAS BENDING ROOF BOLTS WHEN HE FELT PAIN IN HIS LEFT GROIN AREA.","sourceDate":"2002-06-26"},{"SOURCE_ROW_NUMBER":"140962","DOCUMENT_NO":"220021570031","ACCIDENT_DT":"05/25/2002","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"7","NARRATIVE":"EE KNEELD DOWN BESIDE CAR TO HOOK UP PULL ROPE TO PULL MINER CABLE AND STARTED TO GET UP TO GET BACK ON CAR WHEN HE TWISTED HIS LEFT KNEE.","sourceDate":"2002-05-25"},{"SOURCE_ROW_NUMBER":"80739","DOCUMENT_NO":"220021400115","ACCIDENT_DT":"05/14/2002","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":"32","NARRATIVE":"EMPLOYEE WAS IN THE PROCESS OF CHANGING A TIRE ON THE S&S 488 SCOOP. AS HE REMOVED THE TIRE FROM THE SCOOP HE FELT A PAIN IN HIS LOWER BACK.","sourceDate":"2002-05-14"},{"SOURCE_ROW_NUMBER":"196727","DOCUMENT_NO":"220021190125","ACCIDENT_DT":"04/26/2002","DEGREE_INJURY":"OCCUPATNAL ILLNESS NOT DEG 1-6","CLASSIFICATION":"DISORDERS (REPEATED TRAUMA)","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"47","NARRATIVE":"THIS EE HAS BEEN DIAGNOSED AS HAVING CARPAL TUNNEL SYNDROME IN BOTH HANDS DUE TO REPETITIVE TRAUMA AND CORRECTIVE SURGERY HAS BEEN DONE ON THE RIGHT HAND AND SURGERY FOR THE LEFT HAND HAS BEEN SCHEDULED FOR 4-26-02.","sourceDate":"2002-04-26"},{"SOURCE_ROW_NUMBER":"59149","DOCUMENT_NO":"220021160021","ACCIDENT_DT":"04/14/2002","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"28","NARRATIVE":"EE HAD INSTALLED A ROOF BOLT & WAS STARTING TO GET OUT FROM UNDER THE CANOPY. HE WAS ON HIS TOES & AS HE WAS TURNING AROUND HE FELT A POP IN HIS RIGHT KNEE & FELT PAIN. ON 4/17/02 THE EE HAD S URGERY TO CORRECT THE PROBLEM.","sourceDate":"2002-04-14"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2006-06-26","lastDate":"2006-06-26","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":392,"firstDate":"2000-03-23","lastDate":"2006-05-31","metrics":{"ss":170,"delinquent":392,"recentRows":0,"paidPenalty":4299.07,"proposedPenalty":65067,"currentAssessment":65067},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"914535","VIOLATION_NO":"7316144","ISSUE_DT":"05/31/2006","CFR_STANDARD_CD":"75.1711","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"247.00","CURRENT_ASSESSMENT_AMT":"247.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-05-31"},{"SOURCE_ROW_NUMBER":"902718","VIOLATION_NO":"7296417","ISSUE_DT":"08/25/2005","CFR_STANDARD_CD":"75.360(f)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"2000.00","CURRENT_ASSESSMENT_AMT":"2000.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-25"},{"SOURCE_ROW_NUMBER":"902717","VIOLATION_NO":"7296416","ISSUE_DT":"08/25/2005","CFR_STANDARD_CD":"75.360(a)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"3000.00","CURRENT_ASSESSMENT_AMT":"3000.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-25"},{"SOURCE_ROW_NUMBER":"902716","VIOLATION_NO":"7296415","ISSUE_DT":"08/24/2005","CFR_STANDARD_CD":"75.211(d)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"383.00","CURRENT_ASSESSMENT_AMT":"383.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-24"},{"SOURCE_ROW_NUMBER":"902715","VIOLATION_NO":"7296414","ISSUE_DT":"08/24/2005","CFR_STANDARD_CD":"75.214(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"625.00","CURRENT_ASSESSMENT_AMT":"625.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-24"},{"SOURCE_ROW_NUMBER":"902714","VIOLATION_NO":"7296219","ISSUE_DT":"08/24/2005","CFR_STANDARD_CD":"75.220(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"383.00","CURRENT_ASSESSMENT_AMT":"383.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-24"},{"SOURCE_ROW_NUMBER":"902713","VIOLATION_NO":"7296218","ISSUE_DT":"08/24/2005","CFR_STANDARD_CD":"75.333(d)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"237.00","CURRENT_ASSESSMENT_AMT":"237.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-24"},{"SOURCE_ROW_NUMBER":"902712","VIOLATION_NO":"7296214","ISSUE_DT":"08/24/2005","CFR_STANDARD_CD":"75.512","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"1000.00","CURRENT_ASSESSMENT_AMT":"1000.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-24"},{"SOURCE_ROW_NUMBER":"902711","VIOLATION_NO":"7296213","ISSUE_DT":"08/24/2005","CFR_STANDARD_CD":"75.360(f)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"1700.00","CURRENT_ASSESSMENT_AMT":"1700.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-24"},{"SOURCE_ROW_NUMBER":"902710","VIOLATION_NO":"7296212","ISSUE_DT":"08/24/2005","CFR_STANDARD_CD":"75.202(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"1700.00","CURRENT_ASSESSMENT_AMT":"1700.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-24"},{"SOURCE_ROW_NUMBER":"902709","VIOLATION_NO":"7296211","ISSUE_DT":"08/24/2005","CFR_STANDARD_CD":"75.807","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"536.00","CURRENT_ASSESSMENT_AMT":"536.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-24"},{"SOURCE_ROW_NUMBER":"902708","VIOLATION_NO":"7296210","ISSUE_DT":"08/24/2005","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"409.00","CURRENT_ASSESSMENT_AMT":"409.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-24"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":543,"firstDate":"2000-04-11","lastDate":"2005-08-22","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":36,"validSamples":507,"maxConcentration":7.821,"concentrationTotal":289.135},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1271242","CASS_NUM":"50802838","SMP_TAKEN_DT":"8/22/2005","CONC":".159","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-08-22"},{"SOURCE_ROW_NUMBER":"50745","CASS_NUM":"50760310","SMP_TAKEN_DT":"7/30/2005","CONC":".198","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"EXCESS SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-07-30"},{"SOURCE_ROW_NUMBER":"1248149","CASS_NUM":"50767723","SMP_TAKEN_DT":"7/29/2005","CONC":".081","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID PRODUCTION","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-07-29"},{"SOURCE_ROW_NUMBER":"1127375","CASS_NUM":"50760305","SMP_TAKEN_DT":"7/28/2005","CONC":".126","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"EXCESS SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-07-28"},{"SOURCE_ROW_NUMBER":"1071546","CASS_NUM":"50763372","SMP_TAKEN_DT":"7/27/2005","CONC":".241","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-07-27"},{"SOURCE_ROW_NUMBER":"1579017","CASS_NUM":"50767711","SMP_TAKEN_DT":"7/25/2005","CONC":".626","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-07-25"},{"SOURCE_ROW_NUMBER":"743148","CASS_NUM":"50763344","SMP_TAKEN_DT":"7/15/2005","CONC":".487","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-07-15"},{"SOURCE_ROW_NUMBER":"1212877","CASS_NUM":"50767652","SMP_TAKEN_DT":"7/14/2005","CONC":".508","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-07-14"},{"SOURCE_ROW_NUMBER":"1451428","CASS_NUM":"50767724","SMP_TAKEN_DT":"7/8/2005","CONC":".32","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-07-08"},{"SOURCE_ROW_NUMBER":"664645","CASS_NUM":"50760322","SMP_TAKEN_DT":"6/24/2005","CONC":".186","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-06-24"},{"SOURCE_ROW_NUMBER":"616971","CASS_NUM":"50763293","SMP_TAKEN_DT":"6/23/2005","CONC":"1.249","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-06-23"},{"SOURCE_ROW_NUMBER":"1277212","CASS_NUM":"50763276","SMP_TAKEN_DT":"6/20/2005","CONC":".03","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"BIMONTHLY CYCLE/TRANSITION PERIOD SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-06-20"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":11,"firstDate":"2004-04-27","lastDate":"2005-05-05","metrics":{"linkedIssuances":11},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":106,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"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":19,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"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":4,"firstDate":"2000-03-01","lastDate":"2005-03-07","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":3},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":138,"firstDate":"2000-03-10","lastDate":"2006-06-26","metrics":{"inspectors":170,"recentRows":0,"onSiteHours":2000.5,"inspectionHours":3688.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"82876","EVENT_NO":"4153844","INSPECTION_BEGIN_DT":"06/26/2006","INSPECTION_END_DT":"06/26/2006","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2006-06-26"},{"SOURCE_ROW_NUMBER":"360667","EVENT_NO":"4153590","INSPECTION_BEGIN_DT":"05/30/2006","INSPECTION_END_DT":"05/31/2006","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2006-05-30"},{"SOURCE_ROW_NUMBER":"628003","EVENT_NO":"4154597","INSPECTION_BEGIN_DT":"02/27/2006","INSPECTION_END_DT":"03/28/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"3.75","sourceDate":"2006-02-27"},{"SOURCE_ROW_NUMBER":"533407","EVENT_NO":"4154592","INSPECTION_BEGIN_DT":"12/12/2005","INSPECTION_END_DT":"12/12/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2005-12-12"},{"SOURCE_ROW_NUMBER":"174479","EVENT_NO":"4154588","INSPECTION_BEGIN_DT":"10/31/2005","INSPECTION_END_DT":"01/10/2006","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22.25","SUM_TOTAL_ON_SITE_HOURS":"7.25","sourceDate":"2005-10-31"},{"SOURCE_ROW_NUMBER":"250490","EVENT_NO":"4128762","INSPECTION_BEGIN_DT":"09/19/2005","INSPECTION_END_DT":"09/19/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2005-09-19"},{"SOURCE_ROW_NUMBER":"854481","EVENT_NO":"4144635","INSPECTION_BEGIN_DT":"08/02/2005","INSPECTION_END_DT":"09/30/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"5","SUM_TOTAL_INSP_HOURS":"229","SUM_TOTAL_ON_SITE_HOURS":"111.5","sourceDate":"2005-08-02"},{"SOURCE_ROW_NUMBER":"1053751","EVENT_NO":"4402141","INSPECTION_BEGIN_DT":"06/28/2005","INSPECTION_END_DT":"06/30/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.25","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2005-06-28"},{"SOURCE_ROW_NUMBER":"675816","EVENT_NO":"4128749","INSPECTION_BEGIN_DT":"06/21/2005","INSPECTION_END_DT":"07/08/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"26.5","SUM_TOTAL_ON_SITE_HOURS":"13","sourceDate":"2005-06-21"},{"SOURCE_ROW_NUMBER":"291413","EVENT_NO":"4402136","INSPECTION_BEGIN_DT":"04/04/2005","INSPECTION_END_DT":"06/15/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"218.25","SUM_TOTAL_ON_SITE_HOURS":"134","sourceDate":"2005-04-04"},{"SOURCE_ROW_NUMBER":"450441","EVENT_NO":"4402134","INSPECTION_BEGIN_DT":"03/24/2005","INSPECTION_END_DT":"03/31/2005","ACTIVITY_CODE":"CAA","ACTIVITY":"SPOT INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"23.5","SUM_TOTAL_ON_SITE_HOURS":"17.5","sourceDate":"2005-03-24"},{"SOURCE_ROW_NUMBER":"968759","EVENT_NO":"4134402","INSPECTION_BEGIN_DT":"03/23/2005","INSPECTION_END_DT":"03/23/2005","ACTIVITY_CODE":"BBA","ACTIVITY":"ELECTRICAL INVESTIGATION","NBR_INSPECTOR":"4","SUM_TOTAL_INSP_HOURS":"39","SUM_TOTAL_ON_SITE_HOURS":"21","sourceDate":"2005-03-23"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":58,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2006-Q1":{"hours":0,"employees":0,"production":0},"2005-Q4":{"hours":0,"employees":0,"production":0},"2005-Q2":{"hours":2460,"employees":6,"production":4502},"2005-Q1":{"hours":800,"employees":7,"production":0},"2004-Q4":{"hours":4294,"employees":13,"production":10521},"2004-Q3":{"hours":6874,"employees":16,"production":14501},"2004-Q2":{"hours":6904,"employees":17,"production":18592},"2004-Q1":{"hours":6202,"employees":17,"production":24092},"2003-Q4":{"hours":6608,"employees":17,"production":18118},"2003-Q3":{"hours":5644,"employees":12,"production":15550},"2003-Q2":{"hours":2142,"employees":10,"production":4320},"2003-Q1":{"hours":0,"employees":0,"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":13,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":91855,"employees":40,"production":246298},"2001":{"hours":175582,"employees":74,"production":372752},"2002":{"hours":146701,"employees":70,"production":338639},"2003":{"hours":14394,"employees":15,"production":37988},"2004":{"hours":24274,"employees":16,"production":67706},"2005":{"hours":3260,"employees":7,"production":4502}},"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":37,"firstDate":"2001-03-21","lastDate":"2005-05-16","metrics":{"recentRows":0,"doseOver100":8,"actDoseTotal":2725,"pelDoseTotal":1911},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"204821","EVENT_NO":"4402136","SURVEY_DATE":"05/16/2005","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"14","PEL_DOSE_90":"7","SURVEY_TYPE":"I","sourceDate":"2005-05-16"},{"SOURCE_ROW_NUMBER":"204820","EVENT_NO":"4402136","SURVEY_DATE":"05/16/2005","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"31","PEL_DOSE_90":"16","SURVEY_TYPE":"I","sourceDate":"2005-05-16"},{"SOURCE_ROW_NUMBER":"204819","EVENT_NO":"4402136","SURVEY_DATE":"05/16/2005","OCCUPATION_CD_DESC":"ELECTRICIAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"31","PEL_DOSE_90":"16","SURVEY_TYPE":"I","sourceDate":"2005-05-16"},{"SOURCE_ROW_NUMBER":"204818","EVENT_NO":"4402136","SURVEY_DATE":"05/16/2005","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"56","PEL_DOSE_90":"42","SURVEY_TYPE":"I","sourceDate":"2005-05-16"},{"SOURCE_ROW_NUMBER":"204817","EVENT_NO":"4402136","SURVEY_DATE":"05/16/2005","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"033","ACT_DOSE_85":"55","PEL_DOSE_90":"42","SURVEY_TYPE":"I","sourceDate":"2005-05-16"},{"SOURCE_ROW_NUMBER":"204816","EVENT_NO":"4402136","SURVEY_DATE":"05/04/2005","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"30","PEL_DOSE_90":"18","SURVEY_TYPE":"I","sourceDate":"2005-05-04"},{"SOURCE_ROW_NUMBER":"204809","EVENT_NO":"4150995","SURVEY_DATE":"07/20/2004","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"033","ACT_DOSE_85":"38","PEL_DOSE_90":"26","SURVEY_TYPE":"I","sourceDate":"2004-07-20"},{"SOURCE_ROW_NUMBER":"204815","EVENT_NO":"4153110","SURVEY_DATE":"05/03/2004","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"10","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2004-05-03"},{"SOURCE_ROW_NUMBER":"204814","EVENT_NO":"4153105","SURVEY_DATE":"04/05/2004","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"104","PEL_DOSE_90":"87","SURVEY_TYPE":"I","sourceDate":"2004-04-05"},{"SOURCE_ROW_NUMBER":"204813","EVENT_NO":"4153105","SURVEY_DATE":"04/05/2004","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"39","PEL_DOSE_90":"27","SURVEY_TYPE":"I","sourceDate":"2004-04-05"},{"SOURCE_ROW_NUMBER":"204812","EVENT_NO":"4153105","SURVEY_DATE":"04/05/2004","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"66","PEL_DOSE_90":"45","SURVEY_TYPE":"I","sourceDate":"2004-04-05"},{"SOURCE_ROW_NUMBER":"204811","EVENT_NO":"4153105","SURVEY_DATE":"04/05/2004","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"54","PEL_DOSE_90":"36","SURVEY_TYPE":"I","sourceDate":"2004-04-05"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":52,"firstDate":"2000-05-01","lastDate":"2005-06-13","metrics":{"recentRows":0,"voidSamples":2,"maxQuartzPct":19.2,"validSamples":50,"quartzPctTotal":469.2},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"137725","CASSETTE_NO":"57530139","SAMPLE_DT":"06/13/2005","QUARTZ_PCT":"10.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-06-13"},{"SOURCE_ROW_NUMBER":"130366","CASSETTE_NO":"57530150","SAMPLE_DT":"06/13/2005","QUARTZ_PCT":"07.3","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-06-13"},{"SOURCE_ROW_NUMBER":"44553","CASSETTE_NO":"57530149","SAMPLE_DT":"06/13/2005","QUARTZ_PCT":"08.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-06-13"},{"SOURCE_ROW_NUMBER":"149764","CASSETTE_NO":"57529011","SAMPLE_DT":"05/16/2005","QUARTZ_PCT":"06.3","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-05-16"},{"SOURCE_ROW_NUMBER":"85862","CASSETTE_NO":"57529877","SAMPLE_DT":"05/16/2005","QUARTZ_PCT":"06.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2005-05-16"},{"SOURCE_ROW_NUMBER":"13234","CASSETTE_NO":"50678976","SAMPLE_DT":"11/02/2004","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"INSUFFICIENT WEIGHT GAIN","sourceDate":"2004-11-02"},{"SOURCE_ROW_NUMBER":"62623","CASSETTE_NO":"50679026","SAMPLE_DT":"10/30/2004","QUARTZ_PCT":"08.5","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-10-30"},{"SOURCE_ROW_NUMBER":"124707","CASSETTE_NO":"50679024","SAMPLE_DT":"10/15/2004","QUARTZ_PCT":"05.6","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-10-15"},{"SOURCE_ROW_NUMBER":"37182","CASSETTE_NO":"50679000","SAMPLE_DT":"10/13/2004","QUARTZ_PCT":"04.9","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-10-13"},{"SOURCE_ROW_NUMBER":"119608","CASSETTE_NO":"57455460","SAMPLE_DT":"09/16/2004","QUARTZ_PCT":"15.4","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-09-16"},{"SOURCE_ROW_NUMBER":"79239","CASSETTE_NO":"27455603","SAMPLE_DT":"09/16/2004","QUARTZ_PCT":"13.0","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-09-16"},{"SOURCE_ROW_NUMBER":"100538","CASSETTE_NO":"50679031","SAMPLE_DT":"08/26/2004","QUARTZ_PCT":"06.0","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2004-08-26"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":415,"firstDate":"2000-03-23","lastDate":"2006-05-31","metrics":{"ss":170,"amountDue":65067,"contested":0,"amountPaid":4299.07,"recentRows":0,"section104d":20,"unterminated":15,"proposedPenalty":65067},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2390657","VIOLATION_NO":"7316144","VIOLATION_ISSUE_DT":"05/31/2006","SIG_SUB":"N","PART_SECTION":"75.1711","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/26/2006","PROPOSED_PENALTY":"247","AMOUNT_DUE":"247","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-05-31"},{"SOURCE_ROW_NUMBER":"2390895","VIOLATION_NO":"7297996","VIOLATION_ISSUE_DT":"11/01/2005","PART_SECTION":"75.503","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"06/05/2008","CONTESTED_IND":"N","sourceDate":"2005-11-01"},{"SOURCE_ROW_NUMBER":"2390894","VIOLATION_NO":"7297995","VIOLATION_ISSUE_DT":"11/01/2005","PART_SECTION":"75.503","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"02/27/2006","CONTESTED_IND":"N","sourceDate":"2005-11-01"},{"SOURCE_ROW_NUMBER":"2390893","VIOLATION_NO":"7297994","VIOLATION_ISSUE_DT":"11/01/2005","PART_SECTION":"75.202(a)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/03/2006","CONTESTED_IND":"N","sourceDate":"2005-11-01"},{"SOURCE_ROW_NUMBER":"2390892","VIOLATION_NO":"7297993","VIOLATION_ISSUE_DT":"11/01/2005","PART_SECTION":"75.211(d)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"03/23/2006","CONTESTED_IND":"N","sourceDate":"2005-11-01"},{"SOURCE_ROW_NUMBER":"2390891","VIOLATION_NO":"7297992","VIOLATION_ISSUE_DT":"11/01/2005","PART_SECTION":"75.333(d)(1)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/03/2006","CONTESTED_IND":"N","sourceDate":"2005-11-01"},{"SOURCE_ROW_NUMBER":"2390890","VIOLATION_NO":"7297991","VIOLATION_ISSUE_DT":"11/01/2005","PART_SECTION":"75.400","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/03/2006","CONTESTED_IND":"N","sourceDate":"2005-11-01"},{"SOURCE_ROW_NUMBER":"2390889","VIOLATION_NO":"7297990","VIOLATION_ISSUE_DT":"11/01/2005","PART_SECTION":"75.220(a)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/03/2006","CONTESTED_IND":"N","sourceDate":"2005-11-01"},{"SOURCE_ROW_NUMBER":"2390888","VIOLATION_NO":"7297989","VIOLATION_ISSUE_DT":"10/31/2005","PART_SECTION":"77.1103(d)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/03/2006","CONTESTED_IND":"N","sourceDate":"2005-10-31"},{"SOURCE_ROW_NUMBER":"2390887","VIOLATION_NO":"7297988","VIOLATION_ISSUE_DT":"10/31/2005","PART_SECTION":"75.807","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/03/2006","CONTESTED_IND":"N","sourceDate":"2005-10-31"},{"SOURCE_ROW_NUMBER":"2390886","VIOLATION_NO":"7297987","VIOLATION_ISSUE_DT":"10/31/2005","PART_SECTION":"75.1101-8(b)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/03/2006","CONTESTED_IND":"N","sourceDate":"2005-10-31"},{"SOURCE_ROW_NUMBER":"2390885","VIOLATION_NO":"7297986","VIOLATION_ISSUE_DT":"10/31/2005","PART_SECTION":"75.1100-2(b)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/03/2006","CONTESTED_IND":"N","sourceDate":"2005-10-31"}]}],"safety":{"href":"/api/v1/mines/4406985/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4406985/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":"Sealing of mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711","part":"75","subchapter":"O","subpart":"R","id":"75.1711","citation":"30 CFR 75.1711","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 75.503","heading":"Permissible electric face equipment; maintenance.","id":"75.503","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"[Statutory Provisions]\n\nThe operator of each coal mine shall maintain in permissible condition all electric face equipment required by §§ 75.500, 75.501, 75.504 to be permissible which is taken into or used inby the last open crosscut of any such mine.","occurrenceCount":2},{"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},{"chapter":"I","heading":"Roof testing and scaling.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.211","part":"75","subchapter":"O","subpart":"C","id":"75.211","citation":"30 CFR 75.211","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 75.333","heading":"Ventilation controls.","id":"75.333","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"D","subpartHeading":"Subpart D—Ventilation","text":"(a) For purposes of this section, “doors” include any door frames.\n\n(b) Permanent stoppings or other permanent ventilation control devices constructed after November 15, 1992, shall be built and maintained—\n\n(1) Between intake and return air courses, except temporary controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the room was developed including where continuous face haulage systems are used in such rooms. Unless otherwise approved in the ventilation plan, these stoppings or controls shall be maintained to and including the third connecting crosscut outby the working face;\n\n(2) To separate belt conveyor haulageways from return air courses, except where belt entries in areas of mines developed before March 30, 1970, are used as return air courses;\n\n(3) To separate belt conveyor haulageways from intake air courses when the air in the intake air courses is used to provide air to active working places. Temporary ventilation controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the rooms were developed including where continuous face haulage systems are used in such rooms. When continuous face haulage systems are used, permanent stoppings or other permanent ventilation control devices shall be built and maintained to the outby most point of travel of the dolly or 600 feet from the point of deepest penetration in the conveyor belt entry, whichever distance is closer to the point of deepest penetration, to separate the continuous haulage entry from the intake entries;\n\n(4) To separate the primary escapeway from belt and trolley haulage entries, as required by § 75.380(g). For the purposes of § 75.380(g), the loading point for a continuous haulage system shall be the outby most point of travel of the dolly or 600 feet from the point of deepest penetration, whichever distance is less; and\n\n(5) In return air courses to direct air into adjacent worked-out areas.\n\n(c) Personnel doors shall be constructed of noncombustible material and shall be of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between air courses, and shall be installed as follows in permanent stoppings constructed after November 15, 1992:\n\n(1) The distance between personnel doors shall be no more than 300 feet in seam heights below 48 inches and 600 feet in seam heights 48 inches or higher.\n\n(2) The location of all personnel doors in stoppings along escapeways shall be clearly marked so that the doors may be easily identified by anyone traveling in the escapeway and in the entries on either side of the doors.\n\n(3) When not in use, personnel doors shall be closed.\n\n(4) An airlock shall be established where the air pressure differential between air courses creates a static force exceeding 125 pounds on closed personnel doors along escapeways.\n\n(d) Doors, other than personnel doors, constructed after November 15, 1992, that are used in lieu of permanent stoppings or to control ventilation within an air course shall be:\n\n(1) Made of noncombustible material or coated on all accessible surfaces with flame-retardant materials having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(2) Of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between or within air courses or entries.\n\n(3) Installed in pairs to form an airlock. When an airlock is used, one side of the airlock shall remain closed. When not in use, both sides shall be closed.\n\n(e)(1)(i) Except as provided in paragraphs (e)(2), (3), and (4) of this section, all overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after June 10, 1996, shall be constructed in a traditionally accepted method and of materials that have been demonstrated to perform adequately or in a method and of materials that have been tested and shown to have a minimum strength equal to or greater than the traditionally accepted in-mine controls. Tests may be performed under ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction” (Section 12-Transverse Load-Specimen Vertical, load, only), or the operator may conduct comparative in-mine tests. In-mine tests shall be designed to demonstrate the comparative strength of the proposed construction and a traditionally accepted in-mine control. The publication ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction,” is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(ii) All overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after November 15, 1992, shall be constructed of noncombustible material. Materials that are suitable for the construction of overcasts, undercasts, shaft partitions, permanent stoppings, and regulators include concrete, concrete block, brick, cinder block, tile, or steel. No ventilation controls installed after November 15, 1992, shall be constructed of aluminum.\n\n(2) In anthracite mines, permanent stoppings may be constructed of overlapping layers of hardwood mine boards, if the stoppings are a minimum 2 inches thick.\n\n(3) When timbers are used to create permanent stoppings in heaving or caving areas, the stoppings shall be coated on all accessible surfaces with a flame-retardant material having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(4) In anthracite mines, doors and regulators may be constructed of overlapping layers of hardwood boards, if the doors, door frames, and regulators are a minimum 2 inches thick.\n\n(f) When sealants are applied to ventilation controls, the sealant shall have a flame-spread index of 25 or less under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(g) Before mining is discontinued in an entry or room that is advanced more than 20 feet from the inby rib, a crosscut shall be made or line brattice shall be installed and maintained to provide adequate ventilation. When conditions such as methane liberation warrant a distance less than 20 feet, the approved ventilation plan shall specify the location of such rooms or entries and the maximum distance they will be developed before a crosscut is made or line brattice is installed.\n\n(h) All ventilation controls, including seals, shall be maintained to serve the purpose for which they were built.\n\n[61 FR 9829, Mar. 11, 1996; 61 FR 20877, May 8, 1996; 61 FR 26442, May 28, 1996; 61 FR 29288, 29289, June 10, 1996, as amended at 67 FR 38386, June 4, 2002; 71 FR 16668, Apr. 3, 2006; 73 FR 80612, Dec. 31, 2008; 80 FR 52991, Sept. 2, 2015; 91 FR 9448, Feb. 26, 2026]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.400","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 75.220","heading":"Roof control plan.","id":"75.220","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220","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)(1) Each mine operator shall develop and follow a roof control plan, approved by the District Manager, that is suitable to the prevailing geological conditions, and the mining system to be used at the mine. Additional measures shall be taken to protect persons if unusual hazards are encountered.\n\n(2) The proposed roof control plan and any revisions to the plan shall be submitted, in writing, to the District Manager. When revisions to a roof control plan are proposed, only the revised pages need to be submitted unless otherwise specified by the District Manager.\n\n(b)(1) The mine operator will be notified in writing of the approval or denial of approval of a proposed roof control plan or proposed revision.\n\n(2) When approval of a proposed plan or revision is denied, the deficiencies of the plan or revision and recommended changes will be specified and the mine operator will be afforded an opportunity to discuss the deficiencies and changes with the District Manager.\n\n(3) Before new support materials, devices or systems other than roof bolts and accessories, are used as the only means of roof support, the District Manager may require that their effectiveness be demonstrated by experimental installations.\n\n(c) No proposed roof control plan or revision to a roof control plan shall be implemented before it is approved.\n\n(d) Before implementing an approved revision to a roof control plan, all persons who are affected by the revision shall be instructed in its provisions.\n\n(e) The approved roof control plan and any revisions shall be available to the miners and representative of miners at the mine.\n\n[53 FR 2375, Jan. 27, 1988; 53 FR 11395, Apr. 6, 1988, as amended at 60 FR 33723, June 29, 1995; 71 FR 16668, Apr. 3, 2006]","occurrenceCount":1},{"chapter":"I","heading":"Flammable liquids; storage.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103","part":"77","subchapter":"O","subpart":"L","id":"77.1103","citation":"30 CFR 77.1103","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.807","heading":"Installation of high-voltage transmission cables.","id":"75.807","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-I/section-75.807","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"I","subpartHeading":"Subpart I—Underground High-Voltage Distribution","text":"[Statutory Provisions]\n\nAll underground high-voltage transmission cables shall be installed only in regularly inspected air courses and haulageways, and shall be covered, buried, or placed so as to afford protection against damage, guarded where men regularly work or pass under them unless they are 6 1/2 feet or more above the floor or rail, securely anchored, properly insulated, and guarded at ends, and covered, insulated, or placed to prevent contact with trolley wires and other low-voltage circuits.","occurrenceCount":1},{"chapter":"I","heading":"Water sprinkler systems; arrangement of sprinklers.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1101-8","part":"75","subchapter":"O","subpart":"L","id":"75.1101-8","citation":"30 CFR 75.1101-8","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 75.1100-2","heading":"Quantity and location of firefighting equipment.","id":"75.1100-2","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-2","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"(a) Working sections. (1) Each working section of coal mines producing 300 tons or more per shift shall be provided with two portable fire extinguishers and 240 pounds of rock dust in bags or other suitable containers; waterlines shall extend to each section loading point and be equipped with enough fire hose to reach each working face unless the section loading point is provided with one of the following:\n\n(i) Two portable water cars; or\n\n(ii) Two portable chemical cars; or\n\n(iii) One portable water car or one portable chemical car, and either (a) a portable foam-generating machine or (b) a portable high-pressure rock-dusting machine fitted with at least 250 feet of hose and supplied with at least 60 sacks of rock dust.\n\n(2) Each working section of coal mines producing less than 300 tons of coal per shift shall be provided with the following:\n\n(i) Two portable fire extinguishers; and\n\n(ii) 240 pounds of rock dust in bags or other suitable containers; and\n\n(iii) At least 500 gallons of water and at least three pails of 10-quart capacity; or a waterline with sufficient hose to reach the working places; or a portable water car of at least 500-gallons capacity; or a portable, all-purpose, dry-powder chemical car of at least 125-pounds capacity.\n\n(3) As an alternative to paragraph (a)(2) of this section, each working section with no electrical equipment at the face of an anthracite coal mine producing less than 300 tons of coal per shift shall be provided with the following:\n\n(i) Portable fire extinguishers containing a total capacity of at least 30 pounds of dry chemical or 15 gallons of foam and located at the entrance to the gangway at the bottom of the slope; and\n\n(ii) Portable fire extinguishers containing a total capacity of at least 20 pounds of dry chemical or 10 gallons of foam and located within 500 feet from the working face.\n\n(b) Belt conveyors. In all coal mines, waterlines shall be installed parallel to the entire length of belt conveyors and shall be equipped with firehose outlets with valves at 300-foot intervals along each belt conveyor and at tailpieces. At least 500 feet of firehose with fittings suitable for connection with each belt conveyor waterline system shall be stored at strategic locations along the belt conveyor. Waterlines may be installed in entries adjacent to the conveyor entry belt as long as the outlets project into the belt conveyor entry.\n\n(c) Haulage tracks. (1) In mines producing 300 tons of coal or more per shift waterlines shall be installed parallel to all haulage tracks using mechanized equipment in the track or adjacent entry and shall extend to the loading point of each working section. Waterlines shall be equipped with outlet valves at intervals of not more than 500 feet, and 500 feet of firehose with fittings suitable for connection with such waterlines shall be provided at strategic locations. Two portable water cars, readily available, may be used in lieu of waterlines prescribed under this paragraph.\n\n(2) In mines producing less than 300 tons of coal per shift, there shall be provided at 500-foot intervals in all main and secondary haulage roads:\n\n(i) A tank of water of at least 55-gallon capacity with at least 3 pails of not less than 10-quart capacity; or\n\n(ii) Not less than 240 pounds of bagged rock dust.\n\n(d) Transportation. Each track or off-track locomotive, self-propelled man-trip car, or personnel carrier shall be equipped with one portable fire extinguisher.\n\n(e) Electrical installations. At each electrical installation, the operator shall provide two portable fire extinguishers that have a nominal capacity of 5 pounds of dry chemical, or one extinguisher that has a nominal capacity of at least 10 pounds of dry chemical, and which have a 2-A:10-B:C or higher rating.\n\n(f) Oil storage stations. Two portable fire extinguishers and 240 pounds of rock dust, shall be provided at each permanent underground oil storage station. One portable fire extinguisher shall be provided at each working section where 25 gallons or more of oil are stored in addition to extinguishers required under paragraph (a) of this section.\n\n(g) Welding, cutting, soldering. One portable fire extinguisher or 240 pounds of rock dust shall be provided at locations where welding, cutting, or soldering with arc or flame is being done.\n\n(h) Powerlines. At each wooden door through which powerlines pass there shall be one portable fire extinguisher or 240 pounds of rock dust within 25 feet of the door on the intake air side.\n\n(i) Emergency materials. (1) At each mine producing 300 tons of coal or more per shift there shall be readily available the following materials at locations not exceeding 2 miles from each working section:\n\n1,000 board feet of brattice boards 2 rolls of brattice cloth 2 hand saws 25 pounds of 8 d nails 25 pounds of 10 d nails 25 pounds of 16 d nails 3 claw hammers 25 bags of wood fiber plaster or 10 bags of cement (or equivalent material for stoppings) 5 tons of rock dust\n\n(2) At each mine producing less than 300 tons of coal per shift the above materials shall be available at the mine, provided, however, that the emergency materials for one or more mines may be stored at a central warehouse or building supply company and such supply must be the equivalent of that required for all mines involved and within 1-hour's delivery time from each mine. This exception shall not apply where the active working sections are more than 2 miles from the surface.\n\n[35 FR 17890, Nov. 20, 1970, as amended at 73 FR 53127, Sept. 15, 2008]","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4406985","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}