{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2103900","name":"Wash Plant","status":"Intermittent","status_date":"2017-05-08","mine_type":"Surface","coal_metal":"M","commodity":"Sand, Industrial NEC","state":"MN","county":"Carlton","nearest_town":"Sawyer","operator_id":"0150853","operator_name":"Decaigny Excavating Inc","controller_id":"0133103","controller_name":"Matthew  DeCaigny; Amy  DeCaigny","district":"M4","office":"Duluth MN Field Office","employees":2,"latitude":46.722222,"longitude":-92.62},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":77},"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":"2103900","name":"Wash Plant"},"operator":{"type":"operator","id":"0150853","name":"Decaigny Excavating Inc"},"controller":{"type":"controller","id":"0133103","name":"Matthew  DeCaigny; Amy  DeCaigny"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0150853","name":"Decaigny Excavating Inc"},"object":{"type":"mine","id":"2103900","name":"Wash Plant"},"validFrom":"2017-04-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103900|0150853|2017-04-20|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0133103","name":"Amy  DeCaigny et al"},"object":{"type":"mine","id":"2103900","name":"Wash Plant"},"validFrom":"2017-04-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103900|0133103|2017-04-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0133103","name":"Amy  DeCaigny et al"},"object":{"type":"operator","id":"0150853","name":"Decaigny Excavating Inc"},"validFrom":"2017-04-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103900","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103900|0150853|2017-04-20|0133103|2017-04-20|26710"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0133103","name":"Matthew  DeCaigny et al"},"object":{"type":"operator","id":"0150853","name":"Decaigny Excavating Inc"},"validFrom":"2017-04-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103900","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103900|0150853|2017-04-20|0133103|2017-04-20|26711"}}],"coverage":{"historyRecords":2,"edgeCount":4,"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":"2017-05-08","lastDate":"2017-05-08","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":6,"firstDate":"2019-08-05","lastDate":"2025-10-01","metrics":{"ss":1,"delinquent":6,"recentRows":4,"paidPenalty":847,"proposedPenalty":847,"currentAssessment":847},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3021187","VIOLATION_NO":"5111631","ISSUE_DT":"10/01/2025","CFR_STANDARD_CD":"56.14130(i)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-10-01"},{"SOURCE_ROW_NUMBER":"3021186","VIOLATION_NO":"5111630","ISSUE_DT":"10/01/2025","CFR_STANDARD_CD":"46.8","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"168.00","CURRENT_ASSESSMENT_AMT":"168.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-10-01"},{"SOURCE_ROW_NUMBER":"2698787","VIOLATION_NO":"9487368","ISSUE_DT":"06/26/2023","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"2698786","VIOLATION_NO":"9487367","ISSUE_DT":"06/26/2023","CFR_STANDARD_CD":"56.4201(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"2464678","VIOLATION_NO":"9381961","ISSUE_DT":"08/05/2019","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-08-05"},{"SOURCE_ROW_NUMBER":"2464677","VIOLATION_NO":"9381960","ISSUE_DT":"08/05/2019","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-08-05"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":2,"firstDate":"2017-04-20","lastDate":"2017-04-20","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":14,"firstDate":"2018-07-30","lastDate":"2025-10-07","metrics":{"inspectors":14,"recentRows":9,"onSiteHours":37.5,"inspectionHours":74.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"209208","EVENT_NO":"F02F771","INSPECTION_BEGIN_DT":"10/07/2025","INSPECTION_END_DT":"10/07/2025","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2025-10-07"},{"SOURCE_ROW_NUMBER":"286382","EVENT_NO":"F02F76E","INSPECTION_BEGIN_DT":"10/01/2025","INSPECTION_END_DT":"10/01/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2025-10-01"},{"SOURCE_ROW_NUMBER":"136892","EVENT_NO":"F0242ED","INSPECTION_BEGIN_DT":"07/02/2025","INSPECTION_END_DT":"07/02/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.75","SUM_TOTAL_ON_SITE_HOURS":"3.25","sourceDate":"2025-07-02"},{"SOURCE_ROW_NUMBER":"247710","EVENT_NO":"F00FCB7","INSPECTION_BEGIN_DT":"09/17/2024","INSPECTION_END_DT":"09/17/2024","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12.5","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2024-09-17"},{"SOURCE_ROW_NUMBER":"847313","EVENT_NO":"6952236","INSPECTION_BEGIN_DT":"10/04/2023","INSPECTION_END_DT":"10/04/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2023-10-04"},{"SOURCE_ROW_NUMBER":"32282","EVENT_NO":"6906687","INSPECTION_BEGIN_DT":"06/26/2023","INSPECTION_END_DT":"06/29/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.75","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"322150","EVENT_NO":"6901681","INSPECTION_BEGIN_DT":"09/12/2022","INSPECTION_END_DT":"09/12/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2022-09-12"},{"SOURCE_ROW_NUMBER":"813369","EVENT_NO":"6901430","INSPECTION_BEGIN_DT":"09/07/2021","INSPECTION_END_DT":"09/07/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.25","SUM_TOTAL_ON_SITE_HOURS":"3.75","sourceDate":"2021-09-07"},{"SOURCE_ROW_NUMBER":"552103","EVENT_NO":"6901429","INSPECTION_BEGIN_DT":"09/03/2021","INSPECTION_END_DT":"09/03/2021","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2021-09-03"},{"SOURCE_ROW_NUMBER":"676583","EVENT_NO":"6901006","INSPECTION_BEGIN_DT":"08/25/2020","INSPECTION_END_DT":"08/25/2020","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2020-08-25"},{"SOURCE_ROW_NUMBER":"628123","EVENT_NO":"6750947","INSPECTION_BEGIN_DT":"08/12/2019","INSPECTION_END_DT":"08/12/2019","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2019-08-12"},{"SOURCE_ROW_NUMBER":"158961","EVENT_NO":"6750944","INSPECTION_BEGIN_DT":"08/05/2019","INSPECTION_END_DT":"08/05/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2019-08-05"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":37,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":840,"employees":2,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":560,"employees":2,"production":0},"2025-Q3":{"hours":760,"employees":2,"production":0},"2025-Q2":{"hours":960,"employees":2,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":240,"employees":2,"production":0},"2024-Q3":{"hours":480,"employees":2,"production":0},"2024-Q2":{"hours":0,"employees":0,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":80,"employees":2,"production":0},"2023-Q3":{"hours":128,"employees":2,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":7,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2020":{"hours":320,"employees":2,"production":0},"2021":{"hours":236,"employees":2,"production":0},"2022":{"hours":320,"employees":2,"production":0},"2023":{"hours":448,"employees":2,"production":0},"2024":{"hours":720,"employees":2,"production":0},"2025":{"hours":2280,"employees":2,"production":0},"2026":{"hours":840,"employees":1,"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-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":3,"firstDate":"2024-09-17","lastDate":"2025-10-01","metrics":{"recentRows":3,"actionTaken":3,"maxExposureRatio":0.48,"overExposureLimit":0,"exposureRatioTotal":0.81},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"308472","EVENT_NO":"F02F76E","SAMPLE_NO":"000000202504303900","SAMPLE_DATE":"10/01/2025","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Washer Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-10-01"},{"SOURCE_ROW_NUMBER":"293566","EVENT_NO":"F00FCB7","SAMPLE_NO":"000000202403982700","SAMPLE_DATE":"09/17/2024","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.41","EXPOSURE_LIMIT":"0000.85","C_OVER_E":"00.48","JOB_CD_DESC":"Dry Screen Plant Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2024-09-17"},{"SOURCE_ROW_NUMBER":"293565","EVENT_NO":"F00FCB7","SAMPLE_NO":"000000202403982600","SAMPLE_DATE":"09/17/2024","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.27","EXPOSURE_LIMIT":"0000.83","C_OVER_E":"00.33","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2024-09-17"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":6,"firstDate":"2019-08-05","lastDate":"2025-10-01","metrics":{"ss":1,"amountDue":847,"contested":0,"amountPaid":847,"recentRows":4,"section104d":0,"unterminated":0,"proposedPenalty":847},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1386903","VIOLATION_NO":"5111631","VIOLATION_ISSUE_DT":"10/01/2025","SIG_SUB":"Y","PART_SECTION":"56.14130(i)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/07/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-10-01"},{"SOURCE_ROW_NUMBER":"1386902","VIOLATION_NO":"5111630","VIOLATION_ISSUE_DT":"10/01/2025","SIG_SUB":"N","PART_SECTION":"46.8","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"12/15/2025","PROPOSED_PENALTY":"168","AMOUNT_DUE":"168","AMOUNT_PAID":"168","CONTESTED_IND":"N","sourceDate":"2025-10-01"},{"SOURCE_ROW_NUMBER":"1386899","VIOLATION_NO":"9487368","VIOLATION_ISSUE_DT":"06/26/2023","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/29/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"1386898","VIOLATION_NO":"9487367","VIOLATION_ISSUE_DT":"06/26/2023","SIG_SUB":"N","PART_SECTION":"56.4201(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/26/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"1386901","VIOLATION_NO":"9381961","VIOLATION_ISSUE_DT":"08/05/2019","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/12/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-08-05"},{"SOURCE_ROW_NUMBER":"1386900","VIOLATION_NO":"9381960","VIOLATION_ISSUE_DT":"08/05/2019","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/12/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-08-05"}]}],"safety":{"href":"/api/v1/mines/2103900/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2103900/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":"Roll-over protective structures (ROPS) and seat belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130","part":"56","subchapter":"K","subpart":"M","id":"56.14130","citation":"30 CFR 56.14130","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":"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":"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":"Horns and backup alarms.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132","part":"56","subchapter":"K","subpart":"M","id":"56.14132","citation":"30 CFR 56.14132","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2103900","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}