{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1515138","name":"Mine #25","status":"Abandoned","status_date":"2008-12-31","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Pike","nearest_town":"Meta","operator_id":"P19831","operator_name":"McCoy Elkhorn Coal Corp.","controller_id":"C13562","controller_name":"James River Coal Company","district":"C05","office":"Pikeville KY Field Office","employees":0,"latitude":37.575277,"longitude":-82.518055},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":1339},"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":"1515138","name":"Mine #25"},"operator":{"type":"operator","id":"P19831","name":"McCoy Elkhorn Coal Corp."},"controller":{"type":"controller","id":"C13562","name":"James River Coal Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16496","name":"Mayflower Coal Company Inc"},"object":{"type":"mine","id":"1515138","name":"Mine #25"},"validFrom":"1985-04-01","validTo":"1990-05-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|P16496|1985-04-01|1990-05-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11730","name":"Mc Coy Sherman"},"object":{"type":"mine","id":"1515138","name":"Mine #25"},"validFrom":"1985-04-01","validTo":"1990-05-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|C11730|1985-04-01|1990-05-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11730","name":"Mc Coy Sherman"},"object":{"type":"operator","id":"P16496","name":"Mayflower Coal Company Inc"},"validFrom":"1985-04-01","validTo":"1990-05-28","current":false,"derived":true,"evidenceMineId":"1515138","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|P16496|1985-04-01|C11730|1985-04-01|85326"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"mine","id":"1515138","name":"Mine #25"},"validFrom":"1988-09-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|C13562|1988-09-28|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10250","name":"Infinity Coal Corp"},"object":{"type":"mine","id":"1515138","name":"Mine #25"},"validFrom":"1989-03-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|C10250|1989-03-08|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20275","name":"Hickory Hill Development Corp"},"object":{"type":"mine","id":"1515138","name":"Mine #25"},"validFrom":"1990-05-29","validTo":"1990-08-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|P20275|1990-05-29|1990-08-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10250","name":"Infinity Coal Corp"},"object":{"type":"operator","id":"P20275","name":"Hickory Hill Development Corp"},"validFrom":"1990-05-29","validTo":"1990-08-23","current":false,"derived":true,"evidenceMineId":"1515138","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|P20275|1990-05-29|C10250|1989-03-08|81538"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21325","name":"Joe'S Creek Mining Company Inc"},"object":{"type":"mine","id":"1515138","name":"Mine #25"},"validFrom":"1990-08-24","validTo":"2005-05-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|P21325|1990-08-24|2005-05-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00802","name":"Childers Spencer & Wesley"},"object":{"type":"mine","id":"1515138","name":"Mine #25"},"validFrom":"1990-08-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|C00802|1990-08-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00802","name":"Childers Spencer & Wesley"},"object":{"type":"operator","id":"P21325","name":"Joe'S Creek Mining Company Inc"},"validFrom":"1990-08-24","validTo":"2005-05-22","current":false,"derived":true,"evidenceMineId":"1515138","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|P21325|1990-08-24|C00802|1990-08-24|50157"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19831","name":"McCoy Elkhorn Coal Corp."},"object":{"type":"mine","id":"1515138","name":"Mine #25"},"validFrom":"2005-05-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|P19831|2005-05-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"operator","id":"P19831","name":"McCoy Elkhorn Coal Corp."},"validFrom":"2005-05-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"1515138","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515138|P19831|2005-05-23|C13562|1988-09-28|90316"}}],"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":12,"firstDate":"2006-01-19","lastDate":"2008-05-21","metrics":{"daysLost":343,"injuries":8,"fatalities":0,"recentRows":0,"restrictedDays":12,"contractorRecords":1},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"52893","DOCUMENT_NO":"220081510017","ACCIDENT_DT":"05/21/2008","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"A roof fall occurred in the #1 entry return 2 breaks outby survey station # 935. The fall was aproximately 10' thick x 18' wide x 70' long. While investigating the roof fall, a second fall was discovered 60' inby survey station # 911. This fall was approximately 8' thick x 18' wide x 90' long. Both roof falls were aproximately 2000' from the working section.","sourceDate":"2008-05-21"},{"SOURCE_ROW_NUMBER":"194729","DOCUMENT_NO":"220080850001","ACCIDENT_DT":"03/23/2008","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"During a pre-shift examinaion, Examiner found a roof fall in the #7 heading of the active 003 mmu. The fall was approximately 120' inby survey station number 1000. Fall measured 20' long x 18' wide x 0' to 8' in height. Fall was found at 10:45 pm and reported to MSHA at 10:58 pm.","sourceDate":"2008-03-23"},{"SOURCE_ROW_NUMBER":"203402","DOCUMENT_NO":"220080770001","ACCIDENT_DT":"03/13/2008","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"A roof fall occurred in the #5 entry three breaks inby survey station no. 932. The fall is approximately 800 ft. from the working section and measures approximately 90 ft. long, 20 ft. wide, and 0 to 8 ft. in height. Fall was discovered at 5:22 am and MSHA was notified immediately.","sourceDate":"2008-03-13"},{"SOURCE_ROW_NUMBER":"74285","DOCUMENT_NO":"220080500038","ACCIDENT_DT":"02/15/2008","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL","ACCIDENT_TYPE":"Struck by rolling or sliding object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"84","NARRATIVE":"EE was setting the ATRS on the roof bolter when a coal rib rolled and struck his right leg, trapping it against the roof bolter. This occurred in the right crosscut in the #6 entry of the 003-0 mmu. Rib roll measured approximately 10' long x 2.5' high x 10\" thick. The result was a fracture to the lower right leg.","sourceDate":"2008-02-15"},{"SOURCE_ROW_NUMBER":"108527","DOCUMENT_NO":"220072950038","ACCIDENT_DT":"10/11/2007","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Welder (shop)","NO_INJURIES":"1","DAYS_LOST":"6","NARRATIVE":"EE as loading tools into his truck and struck his left ankle on the trailor hitch of another vehicle in the parking lot.","sourceDate":"2007-10-11"},{"SOURCE_ROW_NUMBER":"27180","DOCUMENT_NO":"220071520007","ACCIDENT_DT":"05/29/2007","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by powered moving object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"90","NARRATIVE":"EE WAS TRAMMING THE CONTINUOUS MINER. HE HAD STOPPED THE MINER TO MOVE A SECTION OF CABLE, AND WHEN HE REACHED FOR IT HIS FOOT SLIPPED , CAUSING HIM TO ACCIDENTALLY HIT THE TRAM LEVER. THIS RESULTED IN THE MINER MOVING SUDDENLY, WITH THE BOOM STRIKING HIM ON THE LEFT SIDE OF THE BODY.","sourceDate":"2007-05-29"},{"SOURCE_ROW_NUMBER":"143230","DOCUMENT_NO":"220071410032","ACCIDENT_DT":"05/21/2007","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","DAYS_LOST":"0","NARRATIVE":"A roof fall occurred at approximately 6:05 a.m. 2 breaks outby survey station no. 653 in the #6 entry. Fall is approximately 35' long, 18' wide, and 12' to 14' thick.","sourceDate":"2007-05-21"},{"SOURCE_ROW_NUMBER":"237883","DOCUMENT_NO":"220071280003","ACCIDENT_DT":"05/04/2007","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was tightening lug bolts on roof bolter tire, when socket slipped off nut, causing his thumb to strike corner of crib block that had been used to do repairs.","sourceDate":"2007-05-04"},{"SOURCE_ROW_NUMBER":"1290","DOCUMENT_NO":"220071070013","ACCIDENT_DT":"04/14/2007","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck by powered moving object","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was tramming scoop by two co-workers when the plastic stop on the center section was sticking out beyond scoop deck and struck victims's right knee.","sourceDate":"2007-04-14"},{"SOURCE_ROW_NUMBER":"65690","DOCUMENT_NO":"220062630025","ACCIDENT_DT":"09/06/2006","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"61","NARRATIVE":"While working on a forklift, EE took transmission out of gear and bumped started to make sure it was out of gear, employee started forklift when it turned to move to back of forklift, & it started rolling. It started rolling-hit employee knocked him down and ran over both legs, breaking ankle.","sourceDate":"2006-09-06"},{"SOURCE_ROW_NUMBER":"104301","DOCUMENT_NO":"220060310040","ACCIDENT_DT":"01/26/2006","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Discontinued 1/31/2014.  Several other codes cover Scoop Car Operator","NO_INJURIES":"1","DAYS_LOST":"102","NARRATIVE":"EE was tramming a scoop in the #6 entry, 3 breaks outby the section, and ran over a crib block causing him to be jolted in the operator's compartment, striking his head over the underside of the scoop canopy causing injury to his neck and back.","sourceDate":"2006-01-26"},{"SOURCE_ROW_NUMBER":"186251","DOCUMENT_NO":"220060260037","ACCIDENT_DT":"01/19/2006","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was servicing a continous miner in the #2 entry of the 002-0 mmu. He was walking around the front of the continuous miner and slipped on loose coal, fell, causing injury to left knee.","sourceDate":"2006-01-19"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2008-12-31","lastDate":"2008-12-31","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":243,"firstDate":"2005-07-22","lastDate":"2008-11-26","metrics":{"ss":76,"delinquent":235,"recentRows":0,"paidPenalty":80504,"proposedPenalty":94027,"currentAssessment":80564},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1044819","VIOLATION_NO":"8221507","ISSUE_DT":"11/26/2008","CFR_STANDARD_CD":"75.220(a)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"18271.00","CURRENT_ASSESSMENT_AMT":"18271.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"1044818","VIOLATION_NO":"8221506","ISSUE_DT":"11/26/2008","CFR_STANDARD_CD":"75.360(b)(3)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"20302.00","CURRENT_ASSESSMENT_AMT":"8729.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"1046484","VIOLATION_NO":"8218111","ISSUE_DT":"10/29/2008","CFR_STANDARD_CD":"75.403","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-29"},{"SOURCE_ROW_NUMBER":"1046483","VIOLATION_NO":"8218110","ISSUE_DT":"10/29/2008","CFR_STANDARD_CD":"75.403","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-29"},{"SOURCE_ROW_NUMBER":"1046482","VIOLATION_NO":"8218104","ISSUE_DT":"10/20/2008","CFR_STANDARD_CD":"75.515","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"117.00","CURRENT_ASSESSMENT_AMT":"117.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-20"},{"SOURCE_ROW_NUMBER":"1046481","VIOLATION_NO":"8218103","ISSUE_DT":"10/20/2008","CFR_STANDARD_CD":"75.333(h)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"117.00","CURRENT_ASSESSMENT_AMT":"117.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-20"},{"SOURCE_ROW_NUMBER":"1046480","VIOLATION_NO":"8218102","ISSUE_DT":"10/17/2008","CFR_STANDARD_CD":"77.1104","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-17"},{"SOURCE_ROW_NUMBER":"1046479","VIOLATION_NO":"8218101","ISSUE_DT":"10/17/2008","CFR_STANDARD_CD":"77.1606(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-17"},{"SOURCE_ROW_NUMBER":"1046478","VIOLATION_NO":"8218100","ISSUE_DT":"10/16/2008","CFR_STANDARD_CD":"75.503","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"263.00","CURRENT_ASSESSMENT_AMT":"263.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-16"},{"SOURCE_ROW_NUMBER":"1046477","VIOLATION_NO":"8218099","ISSUE_DT":"10/14/2008","CFR_STANDARD_CD":"75.370(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"873.00","CURRENT_ASSESSMENT_AMT":"873.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"1046476","VIOLATION_NO":"8218098","ISSUE_DT":"10/14/2008","CFR_STANDARD_CD":"75.605","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"117.00","CURRENT_ASSESSMENT_AMT":"117.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"1046475","VIOLATION_NO":"8218097","ISSUE_DT":"10/09/2008","CFR_STANDARD_CD":"75.220(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"176.00","CURRENT_ASSESSMENT_AMT":"176.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-09"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":33,"firstDate":"2008-06-10","lastDate":"2011-02-04","metrics":{"appeals":0,"decisions":33,"recentRows":0,"decisionPenalty":46967,"originalPenalty":60430},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"34938","VIOLATION_NO":"8221507","DOCKET_NO":"KENT 2009-712","DECISION_DT":"02/04/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"18271.00","DECISION_PENALTY_AMT":"18271.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2011-02-04"},{"SOURCE_ROW_NUMBER":"34669","VIOLATION_NO":"8221506","DOCKET_NO":"KENT 2009-712","DECISION_DT":"02/04/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"20302.00","DECISION_PENALTY_AMT":"8729.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2011-02-04"},{"SOURCE_ROW_NUMBER":"225904","VIOLATION_NO":"6660036","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"745.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-10-07"},{"SOURCE_ROW_NUMBER":"225875","VIOLATION_NO":"6659927","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"873.00","DECISION_PENALTY_AMT":"873.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-10-07"},{"SOURCE_ROW_NUMBER":"225060","VIOLATION_NO":"6660040","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"745.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-10-07"},{"SOURCE_ROW_NUMBER":"27027","VIOLATION_NO":"6660038","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"745.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-10-07"},{"SOURCE_ROW_NUMBER":"27026","VIOLATION_NO":"6654968","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"634.00","DECISION_PENALTY_AMT":"634.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-10-07"},{"SOURCE_ROW_NUMBER":"26941","VIOLATION_NO":"6660049","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"745.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-10-07"},{"SOURCE_ROW_NUMBER":"26900","VIOLATION_NO":"6658597","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"3689.00","DECISION_PENALTY_AMT":"3689.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-10-07"},{"SOURCE_ROW_NUMBER":"219445","VIOLATION_NO":"6656634","DOCKET_NO":"KENT 2008-978","DECISION_DT":"02/24/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"687.00","JUDGE_FIRST_NAME":"Jerold","JUDGE_LAST_NAME":"Feldman","sourceDate":"2010-02-24"},{"SOURCE_ROW_NUMBER":"218677","VIOLATION_NO":"6657166","DOCKET_NO":"KENT 2008-978","DECISION_DT":"02/24/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"946.00","DECISION_PENALTY_AMT":"946.00","JUDGE_FIRST_NAME":"Jerold","JUDGE_LAST_NAME":"Feldman","sourceDate":"2010-02-24"},{"SOURCE_ROW_NUMBER":"23064","VIOLATION_NO":"6657172","DOCKET_NO":"KENT 2008-978","DECISION_DT":"02/24/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"585.00","JUDGE_FIRST_NAME":"Jerold","JUDGE_LAST_NAME":"Feldman","sourceDate":"2010-02-24"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":393,"firstDate":"2005-07-26","lastDate":"2008-10-09","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":10,"validSamples":383,"maxConcentration":4.615,"concentrationTotal":262.258},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1641430","CASS_NUM":"57762580","SMP_TAKEN_DT":"10/9/2008","CONC":".422","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-10-09"},{"SOURCE_ROW_NUMBER":"1551848","CASS_NUM":"57762364","SMP_TAKEN_DT":"10/9/2008","CONC":".031","SMP_TYPE_CD_DESC":"INTAKE AIR","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-10-09"},{"SOURCE_ROW_NUMBER":"1074192","CASS_NUM":"57762696","SMP_TAKEN_DT":"10/9/2008","CONC":".314","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SCOOP CAR OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-10-09"},{"SOURCE_ROW_NUMBER":"718782","CASS_NUM":"57762660","SMP_TAKEN_DT":"10/9/2008","CONC":".201","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-10-09"},{"SOURCE_ROW_NUMBER":"611673","CASS_NUM":"57762655","SMP_TAKEN_DT":"10/9/2008","CONC":".142","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-10-09"},{"SOURCE_ROW_NUMBER":"301190","CASS_NUM":"57762379","SMP_TAKEN_DT":"10/9/2008","CONC":".235","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-10-09"},{"SOURCE_ROW_NUMBER":"197812","CASS_NUM":"57762402","SMP_TAKEN_DT":"10/9/2008","CONC":".7","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-10-09"},{"SOURCE_ROW_NUMBER":"13848","CASS_NUM":"57762378","SMP_TAKEN_DT":"10/9/2008","CONC":".127","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2008-10-09"},{"SOURCE_ROW_NUMBER":"1531275","CASS_NUM":"50978933","SMP_TAKEN_DT":"10/3/2008","CONC":".616","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":"2008-10-03"},{"SOURCE_ROW_NUMBER":"1446941","CASS_NUM":"50978943","SMP_TAKEN_DT":"10/3/2008","CONC":".728","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":"2008-10-03"},{"SOURCE_ROW_NUMBER":"985929","CASS_NUM":"50978987","SMP_TAKEN_DT":"10/3/2008","CONC":".77","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":"2008-10-03"},{"SOURCE_ROW_NUMBER":"587777","CASS_NUM":"50978983","SMP_TAKEN_DT":"10/2/2008","CONC":".723","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":"2008-10-02"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":6,"firstDate":"2007-09-17","lastDate":"2007-12-07","metrics":{"linkedIssuances":6},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":33,"firstDate":"2007-10-29","lastDate":"2008-11-26","metrics":{"decisions":33,"ssChanged":10,"recentRows":0,"decisionPenalty":46967,"proposedPenalty":60430},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"407447","CITATION_NO":"8221506","CITATION_ISSUE_DT":"11/26/2008","DOCKET_NO":"KENT 2009-712","DECISION_DT":"02/04/2011","CFR_STANDARD_CODE":"75.360(b)(3)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"20302.00","DECISION_PENALTY_AMT":"8729.00","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"351433","CITATION_NO":"8221507","CITATION_ISSUE_DT":"11/26/2008","DOCKET_NO":"KENT 2009-712","DECISION_DT":"02/04/2011","CFR_STANDARD_CODE":"75.220(a)(1)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"18271.00","DECISION_PENALTY_AMT":"18271.00","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"122919","CITATION_NO":"6659927","CITATION_ISSUE_DT":"06/26/2008","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","CFR_STANDARD_CODE":"75.202(a)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"873.00","DECISION_PENALTY_AMT":"873.00","sourceDate":"2008-06-26"},{"SOURCE_ROW_NUMBER":"10337","CITATION_NO":"6654968","CITATION_ISSUE_DT":"06/26/2008","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","CFR_STANDARD_CODE":"75.1502","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"634.00","DECISION_PENALTY_AMT":"634.00","sourceDate":"2008-06-26"},{"SOURCE_ROW_NUMBER":"349329","CITATION_NO":"6658597","CITATION_ISSUE_DT":"06/03/2008","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","CFR_STANDARD_CODE":"75.203(e)(1)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"3689.00","DECISION_PENALTY_AMT":"3689.00","sourceDate":"2008-06-03"},{"SOURCE_ROW_NUMBER":"405360","CITATION_NO":"6660047","CITATION_ISSUE_DT":"05/15/2008","DOCKET_NO":"KENT 2008-1398","DECISION_DT":"10/15/2009","CFR_STANDARD_CODE":"75.512","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"460.00","DECISION_PENALTY_AMT":"420.00","sourceDate":"2008-05-15"},{"SOURCE_ROW_NUMBER":"292613","CITATION_NO":"6660048","CITATION_ISSUE_DT":"05/15/2008","DOCKET_NO":"KENT 2008-1398","DECISION_DT":"10/15/2009","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"460.00","DECISION_PENALTY_AMT":"420.00","sourceDate":"2008-05-15"},{"SOURCE_ROW_NUMBER":"236054","CITATION_NO":"6660046","CITATION_ISSUE_DT":"05/15/2008","DOCKET_NO":"KENT 2008-1398","DECISION_DT":"10/15/2009","CFR_STANDARD_CODE":"75.523-1(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"460.00","DECISION_PENALTY_AMT":"420.00","sourceDate":"2008-05-15"},{"SOURCE_ROW_NUMBER":"178804","CITATION_NO":"6660049","CITATION_ISSUE_DT":"05/15/2008","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"745.00","sourceDate":"2008-05-15"},{"SOURCE_ROW_NUMBER":"292981","CITATION_NO":"6660032","CITATION_ISSUE_DT":"05/13/2008","DOCKET_NO":"KENT 2008-1398","DECISION_DT":"10/15/2009","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"460.00","DECISION_PENALTY_AMT":"420.00","sourceDate":"2008-05-13"},{"SOURCE_ROW_NUMBER":"292776","CITATION_NO":"6660038","CITATION_ISSUE_DT":"05/13/2008","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"745.00","sourceDate":"2008-05-13"},{"SOURCE_ROW_NUMBER":"236340","CITATION_NO":"6660040","CITATION_ISSUE_DT":"05/13/2008","DOCKET_NO":"KENT 2008-1396","DECISION_DT":"10/07/2010","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"745.00","sourceDate":"2008-05-13"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":174,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"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":34,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"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":"1985-04-01","lastDate":"2005-05-23","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":45,"firstDate":"2005-05-31","lastDate":"2008-11-26","metrics":{"inspectors":86,"recentRows":0,"onSiteHours":2006.5,"inspectionHours":2668.75,"inspectionSamples":245},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"123956","EVENT_NO":"4195308","INSPECTION_BEGIN_DT":"11/26/2008","INSPECTION_END_DT":"12/01/2008","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"681592","EVENT_NO":"4195652","INSPECTION_BEGIN_DT":"10/01/2008","INSPECTION_END_DT":"11/04/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"112","SUM_TOTAL_ON_SITE_HOURS":"82.5","sourceDate":"2008-10-01"},{"SOURCE_ROW_NUMBER":"513631","EVENT_NO":"4193735","INSPECTION_BEGIN_DT":"07/30/2008","INSPECTION_END_DT":"09/02/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"88.25","SUM_TOTAL_ON_SITE_HOURS":"64","sourceDate":"2008-07-30"},{"SOURCE_ROW_NUMBER":"288305","EVENT_NO":"4195703","INSPECTION_BEGIN_DT":"07/26/2008","INSPECTION_END_DT":"07/26/2008","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2008-07-26"},{"SOURCE_ROW_NUMBER":"1073167","EVENT_NO":"4194478","INSPECTION_BEGIN_DT":"06/27/2008","INSPECTION_END_DT":"07/02/2008","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"49.5","SUM_TOTAL_ON_SITE_HOURS":"41.5","sourceDate":"2008-06-27"},{"SOURCE_ROW_NUMBER":"769784","EVENT_NO":"4194530","INSPECTION_BEGIN_DT":"06/26/2008","INSPECTION_END_DT":"06/30/2008","ACTIVITY_CODE":"E08","ACTIVITY":"Non-Injury Accident Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2008-06-26"},{"SOURCE_ROW_NUMBER":"150555","EVENT_NO":"4194572","INSPECTION_BEGIN_DT":"06/25/2008","INSPECTION_END_DT":"07/14/2008","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"21.5","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2008-06-25"},{"SOURCE_ROW_NUMBER":"378157","EVENT_NO":"4193732","INSPECTION_BEGIN_DT":"05/21/2008","INSPECTION_END_DT":"05/27/2008","ACTIVITY_CODE":"E08","ACTIVITY":"Non-Injury Accident Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2008-05-21"},{"SOURCE_ROW_NUMBER":"440038","EVENT_NO":"4193730","INSPECTION_BEGIN_DT":"04/04/2008","INSPECTION_END_DT":"06/20/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"7","SUM_TOTAL_INSP_HOURS":"230.5","SUM_TOTAL_ON_SITE_HOURS":"196","sourceDate":"2008-04-04"},{"SOURCE_ROW_NUMBER":"58129","EVENT_NO":"4195168","INSPECTION_BEGIN_DT":"03/24/2008","INSPECTION_END_DT":"04/03/2008","ACTIVITY_CODE":"E08","ACTIVITY":"Non-Injury Accident Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"12.5","sourceDate":"2008-03-24"},{"SOURCE_ROW_NUMBER":"434317","EVENT_NO":"4193726","INSPECTION_BEGIN_DT":"03/13/2008","INSPECTION_END_DT":"03/13/2008","ACTIVITY_CODE":"E08","ACTIVITY":"Non-Injury Accident Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2008-03-13"},{"SOURCE_ROW_NUMBER":"80342","EVENT_NO":"4195258","INSPECTION_BEGIN_DT":"02/22/2008","INSPECTION_END_DT":"03/20/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"122.75","SUM_TOTAL_ON_SITE_HOURS":"104.75","sourceDate":"2008-02-22"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":25,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2008-Q4":{"hours":15632,"employees":22,"production":33131},"2008-Q3":{"hours":20200,"employees":32,"production":37861},"2008-Q2":{"hours":26533,"employees":43,"production":60636},"2008-Q1":{"hours":25342,"employees":41,"production":75318},"2007-Q4":{"hours":25875,"employees":45,"production":83035},"2007-Q3":{"hours":27170,"employees":47,"production":92148},"2007-Q2":{"hours":27685,"employees":47,"production":105370},"2007-Q1":{"hours":29325,"employees":49,"production":53795},"2006-Q4":{"hours":27580,"employees":47,"production":100427},"2006-Q3":{"hours":26932,"employees":44,"production":95265},"2006-Q2":{"hours":27975,"employees":43,"production":112463},"2006-Q1":{"hours":29064,"employees":45,"production":120952}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":5,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005":{"hours":40867,"employees":23,"production":170671},"2006":{"hours":111551,"employees":45,"production":429107},"2007":{"hours":110055,"employees":48,"production":334348},"2008":{"hours":87707,"employees":35,"production":206946}},"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":53,"firstDate":"2005-09-08","lastDate":"2008-10-14","metrics":{"recentRows":0,"doseOver100":5,"actDoseTotal":2905,"pelDoseTotal":2209},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"51328","EVENT_NO":"4195652","SURVEY_DATE":"10/14/2008","OCCUPATION_CD_DESC":"UTILITY MAN","ACT_DOSE_85":"62","PEL_DOSE_90":"52","SURVEY_TYPE":"I","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"51327","EVENT_NO":"4195652","SURVEY_DATE":"10/14/2008","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"38","MANUFACTURER_CD":"098","ACT_DOSE_85":"46","PEL_DOSE_90":"24","SURVEY_TYPE":"I","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"51326","EVENT_NO":"4195652","SURVEY_DATE":"10/14/2008","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"93","PEL_DOSE_90":"75","SURVEY_TYPE":"I","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"51325","EVENT_NO":"4195652","SURVEY_DATE":"10/14/2008","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"82","PEL_DOSE_90":"80","SURVEY_TYPE":"I","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"51324","EVENT_NO":"4195652","SURVEY_DATE":"10/14/2008","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"90","PEL_DOSE_90":"83","SURVEY_TYPE":"I","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"51323","EVENT_NO":"4195652","SURVEY_DATE":"10/14/2008","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"109","PEL_DOSE_90":"108","SURVEY_TYPE":"I","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"51322","EVENT_NO":"4195652","SURVEY_DATE":"10/14/2008","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"121","PEL_DOSE_90":"108","SURVEY_TYPE":"I","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"51314","EVENT_NO":"4195258","SURVEY_DATE":"02/28/2008","OCCUPATION_CD_DESC":"SECTION FOREMAN","MACHINE_CD":"06","MANUFACTURER_CD":"058","ACT_DOSE_85":"37","PEL_DOSE_90":"21","SURVEY_TYPE":"I","sourceDate":"2008-02-28"},{"SOURCE_ROW_NUMBER":"51313","EVENT_NO":"4195258","SURVEY_DATE":"02/28/2008","OCCUPATION_CD_DESC":"ELECTRICIAN","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"33","PEL_DOSE_90":"21","SURVEY_TYPE":"I","sourceDate":"2008-02-28"},{"SOURCE_ROW_NUMBER":"51312","EVENT_NO":"4195258","SURVEY_DATE":"02/28/2008","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"38","PEL_DOSE_90":"24","SURVEY_TYPE":"I","sourceDate":"2008-02-28"},{"SOURCE_ROW_NUMBER":"51311","EVENT_NO":"4195258","SURVEY_DATE":"02/28/2008","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","MANUFACTURER_CD":"039","ACT_DOSE_85":"42","PEL_DOSE_90":"29","SURVEY_TYPE":"I","sourceDate":"2008-02-28"},{"SOURCE_ROW_NUMBER":"51310","EVENT_NO":"4195258","SURVEY_DATE":"02/28/2008","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","MANUFACTURER_CD":"058","ACT_DOSE_85":"18","PEL_DOSE_90":"9","SURVEY_TYPE":"I","sourceDate":"2008-02-28"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":28,"firstDate":"2005-11-08","lastDate":"2008-05-21","metrics":{"recentRows":0,"voidSamples":0,"maxQuartzPct":7.1,"validSamples":28,"quartzPctTotal":154.4},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"136313","CASSETTE_NO":"57738609","SAMPLE_DT":"05/21/2008","QUARTZ_PCT":"05.7","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-05-21"},{"SOURCE_ROW_NUMBER":"58870","CASSETTE_NO":"57738637","SAMPLE_DT":"05/21/2008","QUARTZ_PCT":"06.5","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-05-21"},{"SOURCE_ROW_NUMBER":"32991","CASSETTE_NO":"57738581","SAMPLE_DT":"05/21/2008","QUARTZ_PCT":"07.1","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-05-21"},{"SOURCE_ROW_NUMBER":"110960","CASSETTE_NO":"57651307","SAMPLE_DT":"02/28/2008","QUARTZ_PCT":"06.9","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-02-28"},{"SOURCE_ROW_NUMBER":"20697","CASSETTE_NO":"57651422","SAMPLE_DT":"02/28/2008","QUARTZ_PCT":"05.7","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-02-28"},{"SOURCE_ROW_NUMBER":"60648","CASSETTE_NO":"57651282","SAMPLE_DT":"02/26/2008","QUARTZ_PCT":"06.0","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-02-26"},{"SOURCE_ROW_NUMBER":"46435","CASSETTE_NO":"57651433","SAMPLE_DT":"02/26/2008","QUARTZ_PCT":"06.1","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-02-26"},{"SOURCE_ROW_NUMBER":"95555","CASSETTE_NO":"57699394","SAMPLE_DT":"12/04/2007","QUARTZ_PCT":"06.6","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-12-04"},{"SOURCE_ROW_NUMBER":"94968","CASSETTE_NO":"57699356","SAMPLE_DT":"12/04/2007","QUARTZ_PCT":"04.4","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-12-04"},{"SOURCE_ROW_NUMBER":"14180","CASSETTE_NO":"57699373","SAMPLE_DT":"12/04/2007","QUARTZ_PCT":"06.4","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-12-04"},{"SOURCE_ROW_NUMBER":"126726","CASSETTE_NO":"57699873","SAMPLE_DT":"09/26/2007","QUARTZ_PCT":"06.5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-09-26"},{"SOURCE_ROW_NUMBER":"85696","CASSETTE_NO":"57699930","SAMPLE_DT":"09/26/2007","QUARTZ_PCT":"06.7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2007-09-26"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":249,"firstDate":"2005-07-22","lastDate":"2008-11-26","metrics":{"ss":76,"amountDue":80564,"contested":33,"amountPaid":80504,"recentRows":0,"section104d":1,"unterminated":0,"proposedPenalty":94027},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"826821","VIOLATION_NO":"8221507","VIOLATION_ISSUE_DT":"11/26/2008","SIG_SUB":"Y","PART_SECTION":"75.220(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Highly","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"11/26/2008","PROPOSED_PENALTY":"18271","AMOUNT_DUE":"18271","AMOUNT_PAID":"18271","CONTESTED_IND":"Y","DOCKET_NO":"KENT 2009-712","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"826820","VIOLATION_NO":"8221506","VIOLATION_ISSUE_DT":"11/26/2008","SIG_SUB":"Y","PART_SECTION":"75.360(b)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Highly","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"11/26/2008","PROPOSED_PENALTY":"20302","AMOUNT_DUE":"8729","AMOUNT_PAID":"8729","CONTESTED_IND":"Y","DOCKET_NO":"KENT 2009-712","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"826774","VIOLATION_NO":"8218111","VIOLATION_ISSUE_DT":"10/29/2008","SIG_SUB":"N","PART_SECTION":"75.403","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/04/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-10-29"},{"SOURCE_ROW_NUMBER":"826773","VIOLATION_NO":"8218110","VIOLATION_ISSUE_DT":"10/29/2008","SIG_SUB":"N","PART_SECTION":"75.403","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/04/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-10-29"},{"SOURCE_ROW_NUMBER":"826772","VIOLATION_NO":"8218104","VIOLATION_ISSUE_DT":"10/20/2008","SIG_SUB":"N","PART_SECTION":"75.515","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/21/2008","PROPOSED_PENALTY":"117","AMOUNT_DUE":"117","AMOUNT_PAID":"117","CONTESTED_IND":"N","sourceDate":"2008-10-20"},{"SOURCE_ROW_NUMBER":"826771","VIOLATION_NO":"8218103","VIOLATION_ISSUE_DT":"10/20/2008","SIG_SUB":"N","PART_SECTION":"75.333(h)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/21/2008","PROPOSED_PENALTY":"117","AMOUNT_DUE":"117","AMOUNT_PAID":"117","CONTESTED_IND":"N","sourceDate":"2008-10-20"},{"SOURCE_ROW_NUMBER":"826770","VIOLATION_NO":"8218102","VIOLATION_ISSUE_DT":"10/17/2008","SIG_SUB":"N","PART_SECTION":"77.1104","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/28/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-10-17"},{"SOURCE_ROW_NUMBER":"826769","VIOLATION_NO":"8218101","VIOLATION_ISSUE_DT":"10/17/2008","SIG_SUB":"N","PART_SECTION":"77.1606(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-10-17"},{"SOURCE_ROW_NUMBER":"826768","VIOLATION_NO":"8218100","VIOLATION_ISSUE_DT":"10/16/2008","SIG_SUB":"N","PART_SECTION":"75.503","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/16/2008","PROPOSED_PENALTY":"263","AMOUNT_DUE":"263","AMOUNT_PAID":"263","CONTESTED_IND":"N","sourceDate":"2008-10-16"},{"SOURCE_ROW_NUMBER":"826767","VIOLATION_NO":"8218099","VIOLATION_ISSUE_DT":"10/14/2008","SIG_SUB":"Y","PART_SECTION":"75.370(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/14/2008","PROPOSED_PENALTY":"873","AMOUNT_DUE":"873","AMOUNT_PAID":"873","CONTESTED_IND":"N","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"826766","VIOLATION_NO":"8218098","VIOLATION_ISSUE_DT":"10/14/2008","SIG_SUB":"N","PART_SECTION":"75.605","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/14/2008","PROPOSED_PENALTY":"117","AMOUNT_DUE":"117","AMOUNT_PAID":"117","CONTESTED_IND":"N","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"826765","VIOLATION_NO":"8218097","VIOLATION_ISSUE_DT":"10/09/2008","SIG_SUB":"N","PART_SECTION":"75.220(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/14/2008","PROPOSED_PENALTY":"176","AMOUNT_DUE":"176","AMOUNT_PAID":"176","CONTESTED_IND":"N","sourceDate":"2008-10-09"}]}],"safety":{"href":"/api/v1/mines/1515138/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1515138/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.220","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":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.360","heading":"Preshift examination at fixed intervals.","id":"75.360","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"D","subpartHeading":"Subpart D—Ventilation","text":"(a)(1) Except as provided in paragraph (a)(2) of this section, a certified person designated by the operator must make a preshift examination within 3 hours preceding the beginning of any 8-hour interval during which any person is scheduled to work or travel underground. No person other than certified examiners may enter or remain in any underground area unless a preshift examination has been completed for the established 8-hour interval. The operator must establish 8-hour intervals of time subject to the required preshift examinations.\n\n(2) Preshift examinations of areas where pumpers are scheduled to work or travel shall not be required prior to the pumper entering the areas if the pumper is a certified person and the pumper conducts an examination for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(11) of this section, tests for methane and oxygen deficiency, and determines if the air is moving in its proper direction in the area where the pumper works or travels. The examination of the area must be completed before the pumper performs any other work. A record of all hazardous conditions and violations of the mandatory health or safety standards found by the pumper shall be made and retained in accordance with § 75.363 of this part.\n\n(b) The person conducting the preshift examination shall examine for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(11) of this section, test for methane and oxygen deficiency, and determine if the air is moving in its proper direction at the following locations:\n\n(1) Roadways, travelways and track haulageways where persons are scheduled, prior to the beginning of the preshift examination, to work or travel during the oncoming shift.\n\n(2) Belt conveyors that will be used to transport persons during the oncoming shift and the entries in which these belt conveyors are located.\n\n(3) Working sections and areas where mechanized mining equipment is being installed or removed, if anyone is scheduled to work on the section or in the area during the oncoming shift. The scope of the examination shall include the working places, approaches to worked-out areas and ventilation controls on these sections and in these areas, and the examination shall include tests of the roof, face and rib conditions on these sections and in these areas.\n\n(4) Approaches to worked-out areas along intake air courses and at the entries used to carry air into worked-out areas if the intake air passing the approaches is used to ventilate working sections where anyone is scheduled to work during the oncoming shift. The examination of the approaches to the worked-out areas shall be made in the intake air course immediately inby and outby each entry used to carry air into the worked-out area. An examination of the entries used to carry air into the worked-out areas shall be conducted at a point immediately inby the intersection of each entry with the intake air course.\n\n(5) Seals along intake air courses where intake air passes by a seal to ventilate working sections where anyone is scheduled to work during the oncoming shift.\n\n(6)(i) Entries and rooms developed after November 15, 1992, and developed more than 2 crosscuts off an intake air course without permanent ventilation controls where intake air passes through or by these entries or rooms to reach a working section where anyone is scheduled to work during the oncoming shift; and,\n\n(ii) Entries and rooms developed after November 15, 1992, and driven more than 20 feet off an intake air course without a crosscut and without permanent ventilation controls where intake air passes through or by these entries or rooms to reach a working section where anyone is scheduled to work during the oncoming shift.\n\n(7) Areas where trolley wires or trolley feeder wires are to be or will remain energized during the oncoming shift.\n\n(8) High spots along intake air courses where methane is likely to accumulate, if equipment will be operated in the area during the shift.\n\n(9) Underground electrical installations referred to in § 75.340(a), except those pumps listed in § 75.340 (b)(2) through (b)(6), and areas where compressors subject to § 75.344 are installed if the electrical installation or compressor is or will be energized during the shift.\n\n(10) Other areas where work or travel during the oncoming shift is scheduled prior to the beginning of the preshift examination.\n\n(11) Preshift examinations shall include examinations to identify violations of the standards listed below:\n\n(i) §§ 75.202(a) and 75.220(a)(1)—roof control;\n\n(ii) §§ 75.333(h) and 75.370(a)(1)—ventilation, methane;\n\n(iii) §§ 75.400 and 75.403—accumulations of combustible materials and application of rock dust;\n\n(iv) § 75.1403—other safeguards, limited to maintenance of travelways along belt conveyors, off track haulage roadways, and track haulage, track switches, and other components for haulage;\n\n(v) § 75.1722(a)—guarding moving machine parts; and\n\n(vi) § 75.1731(a)—maintenance of belt conveyor components.\n\n(c) The person conducting the preshift examination shall determine the volume of air entering each of the following areas if anyone is scheduled to work in the areas during the oncoming shift:\n\n(1) In the last open crosscut of each set of entries or rooms on each working section and areas where mechanized mining equipment is being installed or removed. The last open crosscut is the crosscut in the line of pillars containing the permanent stoppings that separate the intake air courses and the return air courses.\n\n(2) On each longwall or shortwall in the intake entry or entries at the intake end of the longwall or shortwall face immediately outby the face and the velocity of air at each end of the face at the locations specified in the approved ventilation plan.\n\n(3) At the intake end of any pillar line—\n\n(i) If a single split of air is used, in the intake entry furthest from the return air course, immediately outby the first open crosscut outby the line of pillars being mined; or\n\n(ii) If a split system is used, in the intake entries of each split immediately inby the split point.\n\n(d) The person conducting the preshift examination shall check the refuge alternative for damage, the integrity of the tamper-evident seal and the mechanisms required to deploy the refuge alternative, and the ready availability of compressed oxygen and air.\n\n(e) The district manager may require the operator to examine other areas of the mine or examine for other hazards and violations of other mandatory health or safety standards found during the preshift examination.\n\n(f) Certification. At each working place examined, the person doing the preshift examination shall certify by initials, date, and the time, that the examination was made. In areas required to be examined outby a working section, the certified person shall certify by initials, date, and the time at enough locations to show that the entire area has been examined.\n\n(g) Recordkeeping. A record of the results of each preshift examination, including a record of hazardous conditions and violations of the nine mandatory health or safety standards and their locations found by the examiner during each examination, and of the results and locations of air and methane measurements, shall be made on the surface before any persons, other than certified persons conducting examinations required by this subpart, enter any underground area of the mine. The results of methane tests shall be recorded as the percentage of methane measured by the examiner. The record shall be made by the certified person who made the examination or by a person designated by the operator. If the record is made by someone other than the examiner, the examiner shall verify the record by initials and date by or at the end of the shift for which the examination was made. A record shall also be made by a certified person of the action taken to correct hazardous conditions and violations of mandatory health or safety standards found during the preshift examination. All preshift and corrective action records shall be countersigned by the mine foreman or equivalent mine official by the end of the mine foreman's or equivalent mine official's next regularly scheduled working shift. The records required by this section shall be made in a secure book that is not susceptible to alteration or electronically in a computer system so as to be secure and not susceptible to alteration.\n\n(h) Retention period. Records shall be retained at a surface location at the mine for at least 1 year and shall be made available for inspection by authorized representatives of the Secretary and the representative of miners.\n\n[61 FR 9829, Mar. 11, 1996, as amended at 61 FR 55527, Oct. 25, 1996; 62 FR 35085, June 30, 1997; 64 FR 45170, Aug. 19, 1999; 73 FR 80697, Dec. 31, 2008; 77 FR 20714, Apr. 6, 2012]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.403","heading":"Maintenance of incombustible content of rock dust.","id":"75.403","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"Where rock dust is required to be applied, it shall be distributed upon the top, floor, and sides of all underground areas of a coal mine and maintained in such quantities that the incombustible content of the combined coal dust, rock dust, and other dust shall be not less than 80 percent. Where methane is present in any ventilating current, the percent of incombustible content of such combined dust shall be increased 0.4 percent for each 0.1 percent of methane.\n\n[75 FR 57857, Sept. 23, 2010; 76 FR 35978, June 21, 2011]","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.515","heading":"Cable fittings; suitability.","id":"75.515","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.515","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 Provision]\n\nCables shall enter metal frames of motors, splice boxes, and electric compartments only through proper fittings. When insulated wires other than cables pass through metal frames, the holes shall be substantially bushed with insulated bushings.","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 77.1104","heading":"Accumulations of combustible materials.","id":"77.1104","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"Combustible materials, grease, lubricants, paints, or flammable liquids shall not be allowed to accumulate where they can create a fire hazard.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1606","heading":"Loading and haulage equipment; inspection and maintenance.","id":"77.1606","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"Q","subpartHeading":"Subpart Q—Loading and Haulage","text":"(a) Mobile loading and haulage equipment shall be inspected by a competent person before such equipment is placed in operation. Equipment defects affecting safety shall be recorded and reported to the mine operator.\n\n(b) Carriers on aerial tramways, including loading and unloading mechanisms, shall be inspected each shift; brakes shall be inspected daily; ropes and supports shall be inspected as recommended by the manufacturer or as physical conditions warrant. Equipment defects affecting safety shall be reported to the mine operator.\n\n(c) Equipment defects affecting safety shall be corrected before the equipment is used.","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":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.370","heading":"Mine ventilation plan; submission and approval.","id":"75.370","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"D","subpartHeading":"Subpart D—Ventilation","text":"(a)(1) The operator shall develop and follow a ventilation plan approved by the district manager. The plan shall be designed to control methane and respirable dust and shall be suitable to the conditions and mining system at the mine. The ventilation plan shall consist of two parts, the plan content as prescribed in § 75.371 and the ventilation map with information as prescribed in § 75.372. Only that portion of the map which contains information required under § 75.371 will be subject to approval by the district manager.\n\n(2) The proposed ventilation plan and any revision to the plan shall be submitted in writing to the district manager. When revisions to a ventilation plan are proposed, only the revised pages, maps, or sketches of the plan need to be submitted. When required in writing by the district manager, the operator shall submit a fully revised plan by consolidating the plan and all revisions in an orderly manner and by deleting all outdated material.\n\n(3) (i) The mine operator shall notify the representative of miners at least 5 days prior to submission of a mine ventilation plan and any revision to a mine ventilation plan. If requested, the mine operator shall provide a copy to the representative of miners at the time of notification. In the event of a situation requiring immediate action on a plan revision, notification of the revision shall be given, and if requested, a copy of the revision shall be provided, to the representative of miners by the operator at the time of submittal;\n\n(ii) A copy of the proposed ventilation plan, and a copy of any proposed revision, submitted for approval shall be made available for inspection by the representative of miners; and\n\n(iii) A copy of the proposed ventilation plan, and a copy of any proposed revision, submitted for approval shall be posted on the mine bulletin board at the time of submittal. The proposed plan or proposed revision shall remain posted until it is approved, withdrawn or denied.\n\n(b) Following receipt of the proposed plan or proposed revision, the representative of miners may submit timely comments to the district manager, in writing, for consideration during the review process. A copy of these comments shall also be provided to the operator by the district manager upon request.\n\n(c) (1) The district manager will notify the operator in writing of the approval or denial of approval of a proposed ventilation plan or proposed revision. A copy of this notification will be sent to the representative of miners by the district manager.\n\n(2) If the district manager denies approval of a proposed plan or revision, the deficiencies of the plan or revision shall be specified in writing and the operator will be provided an opportunity to discuss the deficiencies with the district manager.\n\n(d) No proposed ventilation plan shall be implemented before it is approved by the district manager. Any intentional change to the ventilation system that alters the main air current or any split of the main air current in a manner that could materially affect the safety and health of the miners, or any change to the information required in § 75.371 shall be submitted to and approved by the district manager before implementation.\n\n(e) Before implementing an approved ventilation plan or a revision to a ventilation plan, persons affected by the revision shall be instructed by the operator in its provisions.\n\n(f) The approved ventilation plan and any revisions shall be—\n\n(1) Provided upon request to the representative of miners by the operator following notification of approval;\n\n(2) Made available for inspection by the representative of miners; and\n\n(3) Posted on the mine bulletin board within 1 working day following notification of approval. The approved plan and revisions shall remain posted on the bulletin board for the period that they are in effect.\n\n(g) The ventilation plan for each mine shall be reviewed every 6 months by an authorized representative of the Secretary to assure that it is suitable to current conditions in the mine.","occurrenceCount":1},{"chapter":"I","heading":"Clamping of trailing cables to equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.605","part":"75","subchapter":"O","subpart":"G","id":"75.605","citation":"30 CFR 75.605","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1515138","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}