{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0404708","name":"Boca Quarry","status":"Intermittent","status_date":"2024-05-19","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Stone NEC","state":"CA","county":"Nevada","nearest_town":"Truckee","operator_id":"L06891","operator_name":"Teichert Aggregates","controller_id":"M01688","controller_name":"Teichert Inc","district":"M7","office":"Vacaville CA Field Office","employees":14,"latitude":39.376389,"longitude":-120.064722},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":253},"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":"0404708","name":"Boca Quarry"},"operator":{"type":"operator","id":"L06891","name":"Teichert Aggregates"},"controller":{"type":"controller","id":"M01688","name":"Teichert Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01688","name":"Teichert Inc"},"object":{"type":"mine","id":"0404708","name":"Boca Quarry"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|M01688|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L31815","name":"Cinder Materials Inc"},"object":{"type":"mine","id":"0404708","name":"Boca Quarry"},"validFrom":"1984-06-01","validTo":"1998-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|L31815|1984-06-01|1998-04-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M31815","name":"William H  Dearman"},"object":{"type":"mine","id":"0404708","name":"Boca Quarry"},"validFrom":"1984-06-01","validTo":"1998-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|M31815|1984-06-01|1998-04-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M31815","name":"William H  Dearman"},"object":{"type":"operator","id":"L31815","name":"Cinder Materials Inc"},"validFrom":"1984-06-01","validTo":"1998-04-30","current":false,"derived":true,"evidenceMineId":"0404708","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|L31815|1984-06-01|M31815|1984-06-01|160176"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16837","name":"Jim Dobbas Inc"},"object":{"type":"mine","id":"0404708","name":"Boca Quarry"},"validFrom":"1998-05-01","validTo":"2001-10-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|L16837|1998-05-01|2001-10-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12858","name":"Jim  Dobbas"},"object":{"type":"mine","id":"0404708","name":"Boca Quarry"},"validFrom":"1998-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|M12858|1998-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12858","name":"Jim  Dobbas"},"object":{"type":"operator","id":"L16837","name":"Jim Dobbas Inc"},"validFrom":"1998-05-01","validTo":"2001-10-25","current":false,"derived":true,"evidenceMineId":"0404708","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|L16837|1998-05-01|M12858|1998-05-01|154801"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050173","name":"R & J Joy Inc. DBA Joy Engineering"},"object":{"type":"mine","id":"0404708","name":"Boca Quarry"},"validFrom":"2001-10-26","validTo":"2005-06-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|0050173|2001-10-26|2005-06-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0040602","name":"Rick  Joy"},"object":{"type":"mine","id":"0404708","name":"Boca Quarry"},"validFrom":"2001-10-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|0040602|2001-10-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0040602","name":"Rick  Joy"},"object":{"type":"operator","id":"0050173","name":"R & J Joy Inc. DBA Joy Engineering"},"validFrom":"2001-10-26","validTo":"2005-06-13","current":false,"derived":true,"evidenceMineId":"0404708","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|0050173|2001-10-26|0040602|2001-10-26|301"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06891","name":"Teichert Aggregates"},"object":{"type":"mine","id":"0404708","name":"Boca Quarry"},"validFrom":"2005-06-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|L06891|2005-06-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01688","name":"Teichert Inc"},"object":{"type":"operator","id":"L06891","name":"Teichert Aggregates"},"validFrom":"2005-06-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"0404708","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404708|L06891|2005-06-14|M01688|1950-01-01|120288"}}],"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":2,"firstDate":"2000-08-29","lastDate":"2006-09-23","metrics":{"daysLost":232,"injuries":2,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"120743","DOCUMENT_NO":"220062760024","ACCIDENT_DT":"09/23/2006","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver","NO_INJURIES":"1","DAYS_LOST":"181","NARRATIVE":"Driver was operating a haul truck on the upper haul road.  He hit a compression bottoming out the vehicle, causing injury to his lower back.","sourceDate":"2006-09-23"},{"SOURCE_ROW_NUMBER":"17643","DOCUMENT_NO":"220002440054","ACCIDENT_DT":"08/29/2000","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Mine manager, Mine foreman, Mine owner","NO_INJURIES":"1","DAYS_LOST":"51","NARRATIVE":"EMPLOYEE WAS EXITING THE SKIDSTEER & DIDN'T TURN OFF THE EQUIPMENT; HE PLACED HIS LEFT FOOT ON THE FRAME AND AS HE WAS REMOVING HIS RIGHT FOOT, HE TOUCHED THE ACTUATOR PEDAL CAUSING THE BUCKET TO TILT BACK AND COMPRESS HIS LEFT FOOT. HE KNOWS HE SHOULD HAVE TURNED THE SKIDSTEER OFF PRIOR TO EXITING BUT SAID HE HAD LEFT THE HOOD ON THE ENGINE OPEN AND WAS STEPPING OUT TO CLOSE IT.","sourceDate":"2000-08-29"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2024-05-19","lastDate":"2024-05-19","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":25,"firstDate":"2000-05-18","lastDate":"2025-01-29","metrics":{"ss":2,"delinquent":23,"recentRows":2,"paidPenalty":1854,"proposedPenalty":1854,"currentAssessment":1854},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2941969","VIOLATION_NO":"9507935","ISSUE_DT":"01/29/2025","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-01-29"},{"SOURCE_ROW_NUMBER":"2641277","VIOLATION_NO":"9618213","ISSUE_DT":"08/01/2024","CFR_STANDARD_CD":"56.20011","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-01"},{"SOURCE_ROW_NUMBER":"598465","VIOLATION_NO":"6442838","ISSUE_DT":"05/12/2008","CFR_STANDARD_CD":"56.20003(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":"2008-05-12"},{"SOURCE_ROW_NUMBER":"598464","VIOLATION_NO":"6442837","ISSUE_DT":"05/12/2008","CFR_STANDARD_CD":"56.11003","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-05-12"},{"SOURCE_ROW_NUMBER":"598463","VIOLATION_NO":"6442836","ISSUE_DT":"05/12/2008","CFR_STANDARD_CD":"56.14110","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-05-12"},{"SOURCE_ROW_NUMBER":"583978","VIOLATION_NO":"6393320","ISSUE_DT":"11/16/2006","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-11-16"},{"SOURCE_ROW_NUMBER":"566542","VIOLATION_NO":"6366670","ISSUE_DT":"10/04/2004","CFR_STANDARD_CD":"56.11004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-10-04"},{"SOURCE_ROW_NUMBER":"566541","VIOLATION_NO":"6366669","ISSUE_DT":"10/04/2004","CFR_STANDARD_CD":"56.9300(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-10-04"},{"SOURCE_ROW_NUMBER":"559530","VIOLATION_NO":"6358862","ISSUE_DT":"07/27/2004","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-07-27"},{"SOURCE_ROW_NUMBER":"161746","VIOLATION_NO":"6348524","ISSUE_DT":"07/29/2003","CFR_STANDARD_CD":"56.14100(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-07-29"},{"SOURCE_ROW_NUMBER":"161745","VIOLATION_NO":"6348523","ISSUE_DT":"07/29/2003","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-07-29"},{"SOURCE_ROW_NUMBER":"29941","VIOLATION_NO":"7998778","ISSUE_DT":"02/05/2003","CFR_STANDARD_CD":"56.12025","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"173.00","CURRENT_ASSESSMENT_AMT":"173.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-02-05"}]},{"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":"1984-06-01","lastDate":"2005-06-14","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":21,"firstDate":"2000-05-18","lastDate":"2026-06-15","metrics":{"inspectors":21,"recentRows":5,"onSiteHours":123.75,"inspectionHours":273.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"522527","EVENT_NO":"F036DF0","INSPECTION_BEGIN_DT":"06/15/2026","INSPECTION_END_DT":"07/16/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2026-06-15"},{"SOURCE_ROW_NUMBER":"1087203","EVENT_NO":"F023B95","INSPECTION_BEGIN_DT":"08/05/2025","INSPECTION_END_DT":"08/07/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.75","SUM_TOTAL_ON_SITE_HOURS":"8.25","sourceDate":"2025-08-05"},{"SOURCE_ROW_NUMBER":"12382","EVENT_NO":"F00E5B1","INSPECTION_BEGIN_DT":"01/29/2025","INSPECTION_END_DT":"01/29/2025","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.25","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2025-01-29"},{"SOURCE_ROW_NUMBER":"150317","EVENT_NO":"6963966","INSPECTION_BEGIN_DT":"12/12/2024","INSPECTION_END_DT":"12/16/2024","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2024-12-12"},{"SOURCE_ROW_NUMBER":"722607","EVENT_NO":"6874583","INSPECTION_BEGIN_DT":"07/29/2024","INSPECTION_END_DT":"08/06/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"26","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2024-07-29"},{"SOURCE_ROW_NUMBER":"798771","EVENT_NO":"1139852","INSPECTION_BEGIN_DT":"10/01/2008","INSPECTION_END_DT":"10/01/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2008-10-01"},{"SOURCE_ROW_NUMBER":"420263","EVENT_NO":"1139484","INSPECTION_BEGIN_DT":"05/12/2008","INSPECTION_END_DT":"05/13/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2008-05-12"},{"SOURCE_ROW_NUMBER":"796687","EVENT_NO":"1132454","INSPECTION_BEGIN_DT":"11/16/2006","INSPECTION_END_DT":"11/16/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2006-11-16"},{"SOURCE_ROW_NUMBER":"977852","EVENT_NO":"1125780","INSPECTION_BEGIN_DT":"03/28/2006","INSPECTION_END_DT":"03/28/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2006-03-28"},{"SOURCE_ROW_NUMBER":"405982","EVENT_NO":"1125003","INSPECTION_BEGIN_DT":"10/04/2004","INSPECTION_END_DT":"10/05/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2004-10-04"},{"SOURCE_ROW_NUMBER":"704855","EVENT_NO":"1121637","INSPECTION_BEGIN_DT":"07/27/2004","INSPECTION_END_DT":"07/27/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2004-07-27"},{"SOURCE_ROW_NUMBER":"242656","EVENT_NO":"1121404","INSPECTION_BEGIN_DT":"03/17/2004","INSPECTION_END_DT":"03/18/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"24","SUM_TOTAL_ON_SITE_HOURS":"15","sourceDate":"2004-03-17"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":130,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":4281,"employees":9,"production":0},"2025-Q4":{"hours":795,"employees":8,"production":0},"2025-Q3":{"hours":7444,"employees":12,"production":0},"2025-Q2":{"hours":3760,"employees":10,"production":0},"2024-Q4":{"hours":2272,"employees":10,"production":0},"2024-Q3":{"hours":8506,"employees":15,"production":0},"2024-Q2":{"hours":5998,"employees":10,"production":0},"2017-Q4":{"hours":1,"employees":1,"production":0},"2017-Q3":{"hours":1,"employees":1,"production":0},"2017-Q2":{"hours":1,"employees":1,"production":0},"2017-Q1":{"hours":1,"employees":1,"production":0},"2016-Q4":{"hours":1,"employees":1,"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":35,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011":{"hours":8,"employees":2,"production":0},"2012":{"hours":61,"employees":5,"production":0},"2013":{"hours":23,"employees":1,"production":0},"2014":{"hours":4,"employees":1,"production":0},"2015":{"hours":4,"employees":1,"production":0},"2016":{"hours":4,"employees":1,"production":0},"2017":{"hours":4,"employees":1,"production":0},"2024":{"hours":16776,"employees":12,"production":0},"2025":{"hours":11999,"employees":10,"production":0},"2026":{"hours":4281,"employees":9,"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":9,"firstDate":"2002-06-27","lastDate":"2026-06-16","metrics":{"recentRows":5,"actionTaken":9,"maxExposureRatio":0.27,"overExposureLimit":0,"exposureRatioTotal":0.34},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"310748","EVENT_NO":"F036DF0","SAMPLE_NO":"000000202602515600","SAMPLE_DATE":"06/16/2026","CONTAMINANT_DESC":"Nuisance dust, respirable, <1% Qtz","CONCENTRATION":"0000.38","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.04","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2026-06-16"},{"SOURCE_ROW_NUMBER":"295187","EVENT_NO":"F023B95","SAMPLE_NO":"000000202503289800","SAMPLE_DATE":"08/06/2025","CONTAMINANT_DESC":"Nuisance dust, respirable, <1% Qtz","CONCENTRATION":"0000.26","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.03","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-08-06"},{"SOURCE_ROW_NUMBER":"295186","EVENT_NO":"F023B95","SAMPLE_NO":"000000202503289863","SAMPLE_DATE":"08/06/2025","CONTAMINANT_DESC":"Cristobalite, respirable","CONCENTRATION":"0000.26","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-08-06"},{"SOURCE_ROW_NUMBER":"295185","EVENT_NO":"F023B95","SAMPLE_NO":"000000202503289700","SAMPLE_DATE":"08/06/2025","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-08-06"},{"SOURCE_ROW_NUMBER":"295184","EVENT_NO":"F023B95","SAMPLE_NO":"000000202503289763","SAMPLE_DATE":"08/06/2025","CONTAMINANT_DESC":"Cristobalite, respirable","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-08-06"},{"SOURCE_ROW_NUMBER":"13166","EVENT_NO":"0645745","SAMPLE_NO":"000000200205044700","SAMPLE_DATE":"06/27/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Scale Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-06-27"},{"SOURCE_ROW_NUMBER":"13165","EVENT_NO":"0645745","SAMPLE_NO":"000000200205044600","SAMPLE_DATE":"06/27/2002","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.75","EXPOSURE_LIMIT":"0002.75","C_OVER_E":"00.27","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-06-27"},{"SOURCE_ROW_NUMBER":"13164","EVENT_NO":"0645745","SAMPLE_NO":"000000200205044500","SAMPLE_DATE":"06/27/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-06-27"},{"SOURCE_ROW_NUMBER":"13163","EVENT_NO":"0645745","SAMPLE_NO":"000000200205044400","SAMPLE_DATE":"06/27/2002","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.36","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-06-27"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":25,"firstDate":"2000-05-18","lastDate":"2025-01-29","metrics":{"ss":2,"amountDue":1854,"contested":0,"amountPaid":1854,"recentRows":2,"section104d":0,"unterminated":0,"proposedPenalty":1854},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"244744","VIOLATION_NO":"9507935","VIOLATION_ISSUE_DT":"01/29/2025","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"01/29/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-01-29"},{"SOURCE_ROW_NUMBER":"244764","VIOLATION_NO":"9618213","VIOLATION_ISSUE_DT":"08/01/2024","SIG_SUB":"N","PART_SECTION":"56.20011","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/01/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-08-01"},{"SOURCE_ROW_NUMBER":"244748","VIOLATION_NO":"6442838","VIOLATION_ISSUE_DT":"05/12/2008","SIG_SUB":"N","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/13/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-05-12"},{"SOURCE_ROW_NUMBER":"244747","VIOLATION_NO":"6442837","VIOLATION_ISSUE_DT":"05/12/2008","SIG_SUB":"Y","PART_SECTION":"56.11003","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/13/2008","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2008-05-12"},{"SOURCE_ROW_NUMBER":"244746","VIOLATION_NO":"6442836","VIOLATION_ISSUE_DT":"05/12/2008","SIG_SUB":"N","PART_SECTION":"56.14110","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/13/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-05-12"},{"SOURCE_ROW_NUMBER":"244767","VIOLATION_NO":"6393320","VIOLATION_ISSUE_DT":"11/16/2006","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/16/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2006-11-16"},{"SOURCE_ROW_NUMBER":"244766","VIOLATION_NO":"6366670","VIOLATION_ISSUE_DT":"10/04/2004","SIG_SUB":"N","PART_SECTION":"56.11004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/04/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-10-04"},{"SOURCE_ROW_NUMBER":"244765","VIOLATION_NO":"6366669","VIOLATION_ISSUE_DT":"10/04/2004","SIG_SUB":"N","PART_SECTION":"56.9300(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/04/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-10-04"},{"SOURCE_ROW_NUMBER":"244761","VIOLATION_NO":"6358862","VIOLATION_ISSUE_DT":"07/27/2004","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/28/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-07-27"},{"SOURCE_ROW_NUMBER":"244763","VIOLATION_NO":"6348524","VIOLATION_ISSUE_DT":"07/29/2003","SIG_SUB":"N","PART_SECTION":"56.14100(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/29/2003","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2003-07-29"},{"SOURCE_ROW_NUMBER":"244762","VIOLATION_NO":"6348523","VIOLATION_ISSUE_DT":"07/29/2003","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/29/2003","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2003-07-29"},{"SOURCE_ROW_NUMBER":"244745","VIOLATION_NO":"7998778","VIOLATION_ISSUE_DT":"02/05/2003","SIG_SUB":"Y","PART_SECTION":"56.12025","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"02/05/2003","PROPOSED_PENALTY":"173","AMOUNT_DUE":"173","AMOUNT_PAID":"173","CONTESTED_IND":"N","sourceDate":"2003-02-05"}]}],"safety":{"href":"/api/v1/mines/0404708/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0404708/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":"Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30","part":"50","subchapter":"I","subpart":"D","id":"50.30","citation":"30 CFR 50.30","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"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":"Housekeeping.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003","part":"56","subchapter":"K","subpart":"S","id":"56.20003","citation":"30 CFR 56.20003","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":"Construction and maintenance of ladders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003","part":"56","subchapter":"K","subpart":"J","id":"56.11003","citation":"30 CFR 56.11003","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":"Flying or falling materials.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14110","part":"56","subchapter":"K","subpart":"M","id":"56.14110","citation":"30 CFR 56.14110","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":"Portable rigid ladders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11004","part":"56","subchapter":"K","subpart":"J","id":"56.11004","citation":"30 CFR 56.11004","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":"Berms or guardrails.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300","part":"56","subchapter":"K","subpart":"H","id":"56.9300","citation":"30 CFR 56.9300","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":"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":1},{"chapter":"I","heading":"Grounding circuit enclosures.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025","part":"56","subchapter":"K","subpart":"K","id":"56.12025","citation":"30 CFR 56.12025","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":"0404708","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}