{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"3607170","name":"Hammond Strip","status":"Abandoned","status_date":"2009-06-08","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Anthracite)","state":"PA","county":"Schuylkill","nearest_town":"Girardville","operator_id":"P12255","operator_name":"Sunray Coal Inc","controller_id":"C09078","controller_name":"Stephen  Mazur Jr","district":"M2","office":"Frackville PA Field Office","employees":0,"latitude":40.798611,"longitude":-76.283888},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":80},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-17T05:35:58.500035+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"3607170","name":"Hammond Strip"},"operator":{"type":"operator","id":"P12255","name":"Sunray Coal Inc"},"controller":{"type":"controller","id":"C09078","name":"Stephen  Mazur Jr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12255","name":"Sunray Coal Inc"},"object":{"type":"mine","id":"3607170","name":"Hammond Strip"},"validFrom":"1981-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607170|P12255|1981-07-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09078","name":"Stephen  Mazur Jr"},"object":{"type":"mine","id":"3607170","name":"Hammond Strip"},"validFrom":"1981-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607170|C09078|1981-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09078","name":"Stephen  Mazur Jr"},"object":{"type":"operator","id":"P12255","name":"Sunray Coal Inc"},"validFrom":"1981-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3607170","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607170|P12255|1981-07-01|C09078|1981-07-01|78871"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2009-06-08","lastDate":"2009-06-08","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":8,"firstDate":"2003-12-22","lastDate":"2005-07-05","metrics":{"ss":1,"delinquent":8,"recentRows":0,"paidPenalty":60,"proposedPenalty":516,"currentAssessment":516},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1306572","VIOLATION_NO":"7007283","ISSUE_DT":"07/05/2005","CFR_STANDARD_CD":"48.28(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"80.00","CURRENT_ASSESSMENT_AMT":"80.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1306571","VIOLATION_NO":"7007282","ISSUE_DT":"07/05/2005","CFR_STANDARD_CD":"77.1705","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1306570","VIOLATION_NO":"7007281","ISSUE_DT":"07/05/2005","CFR_STANDARD_CD":"71.403(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1306569","VIOLATION_NO":"7006960","ISSUE_DT":"07/05/2005","CFR_STANDARD_CD":"77.208(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1306568","VIOLATION_NO":"7006959","ISSUE_DT":"07/05/2005","CFR_STANDARD_CD":"77.208(e)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1306567","VIOLATION_NO":"7006958","ISSUE_DT":"07/05/2005","CFR_STANDARD_CD":"77.1111","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"76.00","CURRENT_ASSESSMENT_AMT":"76.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1305906","VIOLATION_NO":"7005830","ISSUE_DT":"03/24/2004","CFR_STANDARD_CD":"77.208(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-03-24"},{"SOURCE_ROW_NUMBER":"1305883","VIOLATION_NO":"7005748","ISSUE_DT":"12/22/2003","CFR_STANDARD_CD":"77.1712","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-12-22"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":28,"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":8,"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":1,"firstDate":"1981-07-01","lastDate":"1981-07-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":23,"firstDate":"2000-01-06","lastDate":"2007-03-29","metrics":{"inspectors":23,"recentRows":0,"onSiteHours":99,"inspectionHours":167.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1157192","EVENT_NO":"4302994","INSPECTION_BEGIN_DT":"03/29/2007","INSPECTION_END_DT":"03/29/2007","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2007-03-29"},{"SOURCE_ROW_NUMBER":"250301","EVENT_NO":"4302858","INSPECTION_BEGIN_DT":"02/21/2006","INSPECTION_END_DT":"02/24/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2006-02-21"},{"SOURCE_ROW_NUMBER":"870738","EVENT_NO":"4302735","INSPECTION_BEGIN_DT":"10/13/2005","INSPECTION_END_DT":"10/13/2005","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".75","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2005-10-13"},{"SOURCE_ROW_NUMBER":"138016","EVENT_NO":"4302561","INSPECTION_BEGIN_DT":"07/21/2005","INSPECTION_END_DT":"07/21/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2005-07-21"},{"SOURCE_ROW_NUMBER":"492536","EVENT_NO":"4301842","INSPECTION_BEGIN_DT":"07/05/2005","INSPECTION_END_DT":"08/19/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.75","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"662548","EVENT_NO":"4301820","INSPECTION_BEGIN_DT":"03/28/2005","INSPECTION_END_DT":"03/29/2005","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2005-03-28"},{"SOURCE_ROW_NUMBER":"160672","EVENT_NO":"4300765","INSPECTION_BEGIN_DT":"08/23/2004","INSPECTION_END_DT":"08/23/2004","ACTIVITY_CODE":"CAA","ACTIVITY":"SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"220534","EVENT_NO":"4300755","INSPECTION_BEGIN_DT":"07/06/2004","INSPECTION_END_DT":"08/11/2004","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"38","SUM_TOTAL_ON_SITE_HOURS":"26","sourceDate":"2004-07-06"},{"SOURCE_ROW_NUMBER":"363383","EVENT_NO":"4300751","INSPECTION_BEGIN_DT":"06/15/2004","INSPECTION_END_DT":"06/15/2004","ACTIVITY_CODE":"CAA","ACTIVITY":"SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2004-06-15"},{"SOURCE_ROW_NUMBER":"270444","EVENT_NO":"4300547","INSPECTION_BEGIN_DT":"05/28/2004","INSPECTION_END_DT":"06/03/2004","ACTIVITY_CODE":"CAA","ACTIVITY":"SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2004-05-28"},{"SOURCE_ROW_NUMBER":"389494","EVENT_NO":"4300685","INSPECTION_BEGIN_DT":"05/19/2004","INSPECTION_END_DT":"05/19/2004","ACTIVITY_CODE":"CAA","ACTIVITY":"SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2004-05-19"},{"SOURCE_ROW_NUMBER":"480658","EVENT_NO":"4300619","INSPECTION_BEGIN_DT":"04/21/2004","INSPECTION_END_DT":"04/21/2004","ACTIVITY_CODE":"CAA","ACTIVITY":"SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2004-04-21"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000-Q2":{"hours":0,"employees":0,"production":0},"2000-Q1":{"hours":0,"employees":0,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":8,"firstDate":"2003-12-22","lastDate":"2005-07-05","metrics":{"ss":1,"amountDue":516,"contested":0,"amountPaid":60,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":516},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1906087","VIOLATION_NO":"7007283","VIOLATION_ISSUE_DT":"07/05/2005","SIG_SUB":"N","PART_SECTION":"48.28(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/21/2005","PROPOSED_PENALTY":"80","AMOUNT_DUE":"80","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1906086","VIOLATION_NO":"7007282","VIOLATION_ISSUE_DT":"07/05/2005","SIG_SUB":"N","PART_SECTION":"77.1705","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/21/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1906085","VIOLATION_NO":"7007281","VIOLATION_ISSUE_DT":"07/05/2005","SIG_SUB":"N","PART_SECTION":"71.403(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/17/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1906084","VIOLATION_NO":"7006960","VIOLATION_ISSUE_DT":"07/05/2005","SIG_SUB":"N","PART_SECTION":"77.208(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/05/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1906083","VIOLATION_NO":"7006959","VIOLATION_ISSUE_DT":"07/05/2005","SIG_SUB":"N","PART_SECTION":"77.208(e)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/21/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1906082","VIOLATION_NO":"7006958","VIOLATION_ISSUE_DT":"07/05/2005","SIG_SUB":"Y","PART_SECTION":"77.1111","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/21/2005","PROPOSED_PENALTY":"76","AMOUNT_DUE":"76","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2005-07-05"},{"SOURCE_ROW_NUMBER":"1906081","VIOLATION_NO":"7005830","VIOLATION_ISSUE_DT":"03/24/2004","SIG_SUB":"N","PART_SECTION":"77.208(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/12/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-03-24"},{"SOURCE_ROW_NUMBER":"1906088","VIOLATION_NO":"7005748","VIOLATION_ISSUE_DT":"12/22/2003","SIG_SUB":"N","PART_SECTION":"77.1712","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/26/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2003-12-22"}]}],"safety":{"href":"/api/v1/mines/3607170/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3607170/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":"Annual refresher training of miners; minimum courses of instruction; hours of instruction.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.28","part":"48","subchapter":"H","subpart":"B","id":"48.28","citation":"30 CFR 48.28","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 48—TRAINING AND RETRAINING OF MINERS","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"First aid training program; retraining of supervisory employees; availability to all miners.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1705","part":"77","subchapter":"O","subpart":"R","id":"77.1705","citation":"30 CFR 77.1705","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","heading":"Waiver of surface facilities requirements; posting of waiver.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.403","part":"71","subchapter":"O","subpart":"E","id":"71.403","citation":"30 CFR 71.403","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 71—MANDATORY HEALTH STANDARDS—SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.208","heading":"Storage of materials.","id":"77.208","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Surface Installations","text":"(a) Materials shall be stored and stacked in a manner which minimizes stumbling or fall-of-material hazards.\n\n(b) Materials that can create hazards if accidentally liberated from their containers shall be stored in a manner that minimizes the dangers.\n\n(c) Containers holding hazardous materials must be of a type approved for such use by recognized agencies.\n\n(d) Compressed and liquid gas cylinders shall be secured in a safe manner.\n\n(e) Valves on compressed gas cylinders shall be protected by covers when being transported or stored, and by a safe location when the cylinders are in use.\n\n[36 FR 9364, May 22, 1971, as amended at 67 FR 42389, June 21, 2002]","occurrenceCount":3},{"chapter":"I","heading":"Welding, cutting, soldering; use of fire extinguisher.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1111","part":"77","subchapter":"O","subpart":"L","id":"77.1111","citation":"30 CFR 77.1111","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","heading":"Reopening mines; notification; inspection prior to mining.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1712","part":"77","subchapter":"O","subpart":"R","id":"77.1712","citation":"30 CFR 77.1712","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3607170","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}