{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4103597","name":"MARCELO DIRT-LOAM","status":"Abandoned","status_date":"2002-11-21","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"TX","county":"Travis","nearest_town":"Austin","operator_id":"L35937","operator_name":"Marcelo'S Inc","controller_id":"M35937","controller_name":"Vera  Marcelo","district":"M5","office":"San Antonio TX Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":63},"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":"4103597","name":"MARCELO DIRT-LOAM"},"operator":{"type":"operator","id":"L35937","name":"Marcelo'S Inc"},"controller":{"type":"controller","id":"M35937","name":"Vera  Marcelo"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L35937","name":"Marcelo'S Inc"},"object":{"type":"mine","id":"4103597","name":"MARCELO DIRT-LOAM"},"validFrom":"1990-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4103597|L35937|1990-03-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M35937","name":"Vera  Marcelo"},"object":{"type":"mine","id":"4103597","name":"MARCELO DIRT-LOAM"},"validFrom":"1990-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4103597|M35937|1990-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M35937","name":"Vera  Marcelo"},"object":{"type":"operator","id":"L35937","name":"Marcelo'S Inc"},"validFrom":"1990-03-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4103597","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4103597|L35937|1990-03-01|M35937|1990-03-01|164922"}}],"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":"2002-11-21","lastDate":"2002-11-21","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":10,"firstDate":"2001-05-08","lastDate":"2001-10-10","metrics":{"ss":1,"delinquent":10,"recentRows":0,"paidPenalty":635,"proposedPenalty":635,"currentAssessment":635},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"152500","VIOLATION_NO":"6214829","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"46.8","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"152499","VIOLATION_NO":"6214828","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.16005","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"152498","VIOLATION_NO":"6214827","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"140.00","CURRENT_ASSESSMENT_AMT":"140.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"152497","VIOLATION_NO":"6214826","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.14100(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"152496","VIOLATION_NO":"6214825","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.20011","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"38325","VIOLATION_NO":"6207933","ISSUE_DT":"05/08/2001","CFR_STANDARD_CD":"56.18010","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-05-08"},{"SOURCE_ROW_NUMBER":"38324","VIOLATION_NO":"6207932","ISSUE_DT":"05/08/2001","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-05-08"},{"SOURCE_ROW_NUMBER":"38323","VIOLATION_NO":"6207931","ISSUE_DT":"05/08/2001","CFR_STANDARD_CD":"56.4201(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-05-08"},{"SOURCE_ROW_NUMBER":"38322","VIOLATION_NO":"6207930","ISSUE_DT":"05/08/2001","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-05-08"},{"SOURCE_ROW_NUMBER":"38321","VIOLATION_NO":"6207929","ISSUE_DT":"05/08/2001","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-05-08"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":6,"firstDate":"2001-05-17","lastDate":"2001-10-31","metrics":{"linkedIssuances":6},"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":"1990-03-01","lastDate":"1990-03-01","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":7,"firstDate":"2001-05-08","lastDate":"2002-11-21","metrics":{"inspectors":9,"recentRows":0,"onSiteHours":26,"inspectionHours":41,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"455329","EVENT_NO":"1018628","INSPECTION_BEGIN_DT":"11/21/2002","INSPECTION_END_DT":"11/21/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2002-11-21"},{"SOURCE_ROW_NUMBER":"515327","EVENT_NO":"1018953","INSPECTION_BEGIN_DT":"10/16/2002","INSPECTION_END_DT":"10/16/2002","ACTIVITY_CODE":"46","ACTIVITY":"SPECIAL ENFORCEMENT 4","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2002-10-16"},{"SOURCE_ROW_NUMBER":"465917","EVENT_NO":"1014196","INSPECTION_BEGIN_DT":"06/25/2002","INSPECTION_END_DT":"06/25/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2002-06-25"},{"SOURCE_ROW_NUMBER":"722426","EVENT_NO":"0817841","INSPECTION_BEGIN_DT":"01/08/2002","INSPECTION_END_DT":"01/08/2002","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2002-01-08"},{"SOURCE_ROW_NUMBER":"551358","EVENT_NO":"0817812","INSPECTION_BEGIN_DT":"10/10/2001","INSPECTION_END_DT":"10/11/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"1065437","EVENT_NO":"0655000","INSPECTION_BEGIN_DT":"06/11/2001","INSPECTION_END_DT":"06/11/2001","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-06-11"},{"SOURCE_ROW_NUMBER":"408457","EVENT_NO":"0631937","INSPECTION_BEGIN_DT":"05/08/2001","INSPECTION_END_DT":"05/08/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-05-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":21,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q3":{"hours":8851,"employees":17,"production":0},"2002-Q2":{"hours":9458,"employees":18,"production":0},"2002-Q1":{"hours":8377,"employees":17,"production":0},"2001-Q4":{"hours":8526,"employees":15,"production":0},"2001-Q3":{"hours":8375,"employees":19,"production":0},"2001-Q2":{"hours":8273,"employees":15,"production":0},"2001-Q1":{"hours":5461,"employees":9,"production":0},"2000-Q4":{"hours":7409,"employees":16,"production":0},"2000-Q3":{"hours":7756,"employees":13,"production":0},"2000-Q2":{"hours":7015,"employees":14,"production":0},"2000-Q1":{"hours":6155,"employees":12,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":6,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":28335,"employees":16,"production":0},"2001":{"hours":30635,"employees":14,"production":0},"2002":{"hours":26686,"employees":17,"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":10,"firstDate":"2001-05-08","lastDate":"2001-10-10","metrics":{"ss":1,"amountDue":635,"contested":0,"amountPaid":635,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":635},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2138154","VIOLATION_NO":"6214829","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"N","PART_SECTION":"46.8","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/08/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2138153","VIOLATION_NO":"6214828","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"N","PART_SECTION":"56.16005","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2138152","VIOLATION_NO":"6214827","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"Y","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"140","AMOUNT_DUE":"140","AMOUNT_PAID":"140","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2138151","VIOLATION_NO":"6214826","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"N","PART_SECTION":"56.14100(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/10/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2138150","VIOLATION_NO":"6214825","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"N","PART_SECTION":"56.20011","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2138149","VIOLATION_NO":"6207933","VIOLATION_ISSUE_DT":"05/08/2001","SIG_SUB":"N","PART_SECTION":"56.18010","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/20/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-05-08"},{"SOURCE_ROW_NUMBER":"2138148","VIOLATION_NO":"6207932","VIOLATION_ISSUE_DT":"05/08/2001","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-05-08"},{"SOURCE_ROW_NUMBER":"2138147","VIOLATION_NO":"6207931","VIOLATION_ISSUE_DT":"05/08/2001","SIG_SUB":"N","PART_SECTION":"56.4201(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/08/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-05-08"},{"SOURCE_ROW_NUMBER":"2138146","VIOLATION_NO":"6207930","VIOLATION_ISSUE_DT":"05/08/2001","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-05-08"},{"SOURCE_ROW_NUMBER":"2138145","VIOLATION_NO":"6207929","VIOLATION_ISSUE_DT":"05/08/2001","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-05-08"}]}],"safety":{"href":"/api/v1/mines/4103597/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4103597/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.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8","part":"46","subchapter":"H","subpart":"","id":"46.8","citation":"30 CFR 46.8","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 46—TRAINING AND RETRAINING OF MINERS ENGAGED IN SHELL DREDGING OR EMPLOYED AT SAND, GRAVEL, SURFACE STONE, SURFACE CLAY, COLLOIDAL PHOSPHATE, OR SURFACE LIMESTONE MINES.","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Securing gas cylinders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005","part":"56","subchapter":"K","subpart":"O","id":"56.16005","citation":"30 CFR 56.16005","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Barricades and warning signs.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011","part":"56","subchapter":"K","subpart":"S","id":"56.20011","citation":"30 CFR 56.20011","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"First aid.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18010","part":"56","subchapter":"K","subpart":"Q","id":"56.18010","citation":"30 CFR 56.18010","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Testing grounding systems.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028","part":"56","subchapter":"K","subpart":"K","id":"56.12028","citation":"30 CFR 56.12028","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Inspection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4103597","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}