MINE DETAILS
Mesabi Metallics Company LLC
MSHA MINE ID2103751
LOCATION
Mine location
1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.
Mine coordinates
- Mesabi Metallics Company LLC47.38528, -93.24417Open map ↗
Quarterly trends
2025 Q1 – 2026 Q4
Database snapshot · 2026-10-17. MSHA quarterly production and employment reports.
Coal production
—reported short tons
Hours worked
—reported employee hours
Tons per hour
—production ÷ hours worked
Missing values appear as —. Totals use available reports. Tons per hour requires production and hours for the same quarters and a nonzero hours total. * Striped bars mark partial mine coverage or an incomplete quarter. See the table for coverage.
Quarterly data and reporting coverage
| Quarter | Coal (short tons) | Hours worked | Tons / hour | Avg. employees | Coverage |
|---|---|---|---|---|---|
| 2025 Q1 | — | — | — | — | No report |
| 2025 Q2 | — | — | — | — | No report |
| 2025 Q3 | — | — | — | — | No report |
| 2025 Q4 | — | — | — | — | No report |
| 2026 Q1 | — | — | — | — | No report |
| 2026 Q2 | — | — | — | — | No report |
| 2026 Q3 | — | — | — | — | No report |
| 2026 Q4 | — | — | — | — | No report |
Safety and enforcement
2025-01-01 – 2026-10-17
Violations
10138 significant & substantial (S&S)
Accident records
510 records classified as fatality
Proposed penalties · USD
13,177.0059 of 101 violations with amounts
On-site inspection hours
484.2549 inspections · 49 with hours
Counts are published records, including contractor records. * The quarter was incomplete at the snapshot date; recent counts may rise as reports arrive. — means no reported amount or hours. Portfolio totals use current membership.
Quarterly safety data
| Quarter | Violations | S&S | Proposed USD | Accident records | Fatality records | Inspections | On-site hours |
|---|---|---|---|---|---|---|---|
| 2025-Q1 | 3 | 0 | 453.00 | 4 | 0 | 3 | 22.5 |
| 2025-Q2 | 3 | 0 | 453.00 | 2 | 0 | 2 | 28.3 |
| 2025-Q3 | 0 | 0 | — | 2 | 0 | 1 | 1.3 |
| 2025-Q4 | 10 | 2 | 1,527.00 | 7 | 0 | 2 | 61.3 |
| 2026-Q1 | 23 | 3 | 5,192.00 | 8 | 0 | 8 | 122.5 |
| 2026-Q2 | 17 | 7 | 4,524.00 | 20 | 0 | 11 | 114.5 |
| 2026-Q3 | 40 | 24 | 1,028.00 | 8 | 0 | 21 | 131.3 |
| 2026-Q4 * | 5 | 2 | — | 0 | 0 | 1 | 2.8 |
Most cited CFR sections
All violations issued in the selected period. Counts combine subsections.
Safety activity
103 (g) Written Notification Hazard Complaint Inspectio · 2.8 on-site hours
56.11002
56.20003(a) · S&S
56.12004
56.14211(b) · S&S
56.16006
103 (g) Written Notification Hazard Complaint Inspectio · 2.8 on-site hours
Compliance Follow-up Inspection · 2.3 on-site hours
56.15005 · S&S
56.11012
56.20003(a) · S&S
56.18002(a) · S&S
56.18002(a) · S&S
Spot Inspection · 2.0 on-site hours
56.20011 · S&S
56.14211(b) · S&S
56.5001(a)/.5005
56.20011 · S&S
56.20011 · S&S
56.20003(a) · S&S
56.15005 · S&S
Verbal Hazard Complaint Inspections · 2.5 on-site hours
103 (g) Written Notification Hazard Complaint Inspectio · 14.0 on-site hours
Verbal Hazard Complaint Inspections · 2.5 on-site hours
56.20003(a) · S&S
Safety sources and definitions
MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-17.
Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.
Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.
S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.
Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.
Portfolio totals use current mine membership, including events before the current owner or operator's tenure.
CFR headings link to the current Title 30 index; they are not historical legal determinations.
OWNERSHIP
Operator and controller history
Current ownership comes from MSHA Mines. Historical start and end dates come from MSHA Controller and Operator History.
—
Essar Minerals Canada LimitedcontrolsMesabi Metallics Company LLCoperatesMesabi Metallics Company LLC
msha-controller-operator-history · controller/operator co-tenure derived on mine 2103751—
Chippewa Capital Partners, LLCcontrolsMesabi Metallics Company LLCoperatesMesabi Metallics Company LLC
msha-controller-operator-history · controller/operator co-tenure derived on mine 2103751—
Essar Minerals Canada LimitedcontrolsMesabi Metallics Company LLCoperatesMesabi Metallics Company LLC
msha-controller-operator-history · controller/operator co-tenure derived on mine 2103751Other historical summaries · source-specific periods
RECORD SUMMARY
Production, safety and enforcement
These summaries use the periods stated on each card, independently of the reporting period above.
01 / SAFETYwatch
Accidents and injuries
52 historical accident/injury rows; 0 coded fatalities and 620 lost days across the published record.
ACCIDENT + INJURY RECORD51 since 2021
accidentsmine-production-quarterly02 / COMPLIANCEwatch
Violations and penalties
112 violation rows across the full record; 40 carry an S&S flag and $14,596 appears in current assessed amounts.
ENFORCEMENT ACTIVITY101 since 2021
inspectionsviolationsassessed-violationsorders-107a03 / HEALTHwatch
Occupational health samples
303 personal; 34 area. 16 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
OCCUPATIONAL EXPOSURE337 samples
personal-health-samplesarea-samples04 / PRODUCTIONcontext
Quarterly production and employment
The source remains registered, but no mine-keyed quarterly production row was published.
NO CURRENT QUARTERNo published quarter
mine-production-quarterlymine-production-yearly05 / LEGALwatch
Contests, conferences and decisions
0 contested-violation rows, 0 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
POST-ISSUANCE LIFECYCLE3 linked rows
conferencescontested-violationscivil-penalty-dockets-decisions06 / CONTRACTORScontext
Contractors
Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
ENTITY-LEVEL CONTEXT12 linked entities
contractor-production-quarterlycontractor-production-yearlyaccidentsviolations07 / INSPECTIONScontext
Inspections
64 inspection events and 977 published inspection hours across the historical record.
OVERSIGHT COVERAGE51 since 2021
inspectionsviolationsHEALTH SAMPLING
Silica and quartz
Coal quartz, metal/nonmetal personal samples and area samples. Snapshot Oct 17, 2026. 16 silica records across the mine’s published history.
Personal silica samples · concentration / limit
Quarterly mean · published C/E ratio
— No eligible measurements. * Quarter in progress. Means describe the available samples, not average exposure across the mine.
Quartz % is the sample’s quartz content; µg/m³ is its reported concentration. Personal C/E is the ratio to the limit published with that sample. Personal and area concentration units and void status are not specified in those source files.
| Date / sample | Dataset / analyte | Occupation / area | Measurement | Sample status | Published action |
|---|---|---|---|---|---|
| 000000202603386500 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Iron Worker | 2.13× published limitConcentration: 0006.44 · limit: 0003.03Source unit unspecified | Not reported | CITATION/ORDER ISSUEDInspection F03ED87 |
| 000000202603386200 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Iron Worker | 0.47× published limitConcentration: 0001.23 · limit: 0002.63Source unit unspecified | Not reported | NO ACTIONInspection F03ED87 |
| 000000202603386100 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Iron Worker | 0.83× published limitConcentration: 0002.36 · limit: 0002.86Source unit unspecified | Not reported | NO ACTIONInspection F03ED87 |
| 000000202603386300 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Iron Worker | 0× published limitConcentration: 0000.80 · limit: 0000.00Source unit unspecified | Not reported | NO ACTIONInspection F03ED87 |
| 000000202603285400 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Iron Worker | 0× published limitConcentration: 0000.17 · limit: 0000.00Source unit unspecified | Not reported | NO ACTIONInspection F03ED87 |
| 000000202603034700 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 0.34× published limitConcentration: 0000.90 · limit: 0002.63Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
| 000000202603034400 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 0× published limitConcentration: 0000.89 · limit: 0000.00Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
| 000000202603034500 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 0.3× published limitConcentration: 0000.56 · limit: 0001.89Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
| 000000202603034600 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 0.44× published limitConcentration: 0001.29 · limit: 0002.94Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
| 000000202603035300 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 0× published limitConcentration: 0000.25 · limit: 0000.00Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
| 000000202603035800 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 0.47× published limitConcentration: 0000.83 · limit: 0001.75Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
| 000000202603035500 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 0.16× published limitConcentration: 0000.19 · limit: 0001.19Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
| 000000202603035400 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 0× published limitConcentration: 0000.17 · limit: 0000.00Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
| 000000202603035600 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 0× published limitConcentration: 0000.15 · limit: 0000.00Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
| 000000202603034800 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Shotcrete/Gunite Man | 1.37× published limitConcentration: 0003.71 · limit: 0002.70Source unit unspecified | Not reported | CITATION/ORDER ISSUEDInspection F03906A |
| 000000202602730900 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Mason | 0× published limitConcentration: 0000.28 · limit: 0000.00Source unit unspecified | Not reported | NO ACTIONInspection F03906A |
Sources and interpretation
- Coal means use numeric concentrations from samples marked not voided, excluding control/invalid sample types and dates after the snapshot. Missing values remain null; reported zeroes remain zero.
- Quarterly means describe available samples, not mine-wide or worker-average exposure. Quarters with no eligible measurements remain empty; the current quarter is partial.
- Personal C/E is MSHA's published concentration-to-limit ratio. A value above 1 is not by itself a citation or a determination under the 2024 silica rule. Personal and area files do not publish a void-status field.
- Area records include bulk-dust analyses and are kept separate from personal exposure results. Their concentration units are not specified in the source dictionary.
- Missing samples do not establish safe conditions. Coal quartz percentage and concentration are separate measures. No compliance threshold is inferred for coal samples.
Coal quartz field definitions ↗Metal/nonmetal personal field definitions ↗Metal/nonmetal area field definitions ↗
EIA + TITLE 30
EIA production and cited regulations
EIA annual figures are reported separately from MSHA. Regulation links use the current eCFR snapshot.
Not present in the 2024 EIA coal workbook.
This can mean the operation is non-coal, inactive for the annual period, or outside the EIA-7A reporting population.
30 CFR 56.11002Handrails and toeboards.1 recent row ↗30 CFR 56.20003Housekeeping.2 recent rows ↗30 CFR 56.12004Electrical conductors.1 recent row ↗30 CFR 56.14211Blocking equipment in a raised position.2 recent rows ↗30 CFR 56.16006Protection of gas cylinder valves.1 recent row ↗30 CFR 56.15005Safety belts and lines.1 recent row ↗30 CFR 56.11012Protection for openings around travelways.1 recent row ↗30 CFR 56.18002Examination of working places.2 recent rows ↗
RECENT PUBLIC RECORDS
Recent violations and samples
Latest records retained for inspection; aggregates above use the full source history.
511304056.11002Citation
511304156.20003(a)S&S
511303956.12004Citation
511303856.14211(b)S&S
511600156.16006Citation
511303756.15005S&S
511303656.11012Citation
511303556.20003(a)S&S
Coal dust, noise and other contaminants. Silica records above ↑
Nuisance dust, total, <1% QtzLaborer, Bullgang
C/E: 05.68Concentration: 0056.82 · limit: 0010.00Source unit unspecified
Nuisance dust, total, <1% QtzLaborer, Bullgang
C/E: 18.33Concentration: 0183.26 · limit: 0010.00Source unit unspecified
Nuisance dust, total, <1% QtzLaborer, Bullgang
C/E: 01.75Concentration: 0017.52 · limit: 0010.00Source unit unspecified
Nuisance dust, total, <1% QtzLaborer, Bullgang
C/E: 02.83Concentration: 0028.32 · limit: 0010.00Source unit unspecified
Nuisance dust, total, <1% QtzLaborer, Bullgang
C/E: 03.50Concentration: 1034.99 · limit: 0010.00Source unit unspecified
Nuisance dust, total, <1% QtzLaborer, Bullgang
C/E: 11.05Concentration: 0110.51 · limit: 0010.00Source unit unspecified
Nuisance dust, total, <1% QtzLaborer, Bullgang
C/E: 03.87Concentration: 0038.65 · limit: 0010.00Source unit unspecified
Nuisance dust, total, <1% QtzLaborer, Bullgang
C/E: 01.81Concentration: 0018.10 · limit: 0010.00Source unit unspecified
SOURCE COVERAGE
Reporting dates and coverage
13 datasets contain linked records. Missing datasets are listed below.
DATASETROWSWINDOWSTATUS
Accident, Injuries, and Illnessessafety · contractors52Nov 1, 2017—Sep 16, 2026mine-keyed
Addresses of Recordidentity · logistics1Jan 21, 2025—Jan 21, 2025mine-keyed
Assessed Violationscompliance · legal70Nov 19, 2015—Jul 28, 2026mine-keyed
Civil Penalty Dockets and Decisionscompliance · legal—No published rowsabsent / not applicable
Coal Dust Sampleshealth · safety—No published rowsabsent / not applicable
Conferencescompliance · legal3May 19, 2026—Oct 14, 2026mine-keyed
Contested Violationscompliance · legal—No published rowsabsent / not applicable
Contractor Employment and Production — Quarterlycontractors · production · safety1,370Not published—Not publishedentity-linked
Contractor Employment and Production — Yearlycontractors · production · safety310Not published—Not publishedentity-linked
Controller and Operator Historyidentity · compliance3Mar 1, 2012—Mar 1, 2012mine-keyed
Mine Employment and Production — Quarterlyproduction · safety · compliance—No published rowsabsent / not applicable
Mine Employment and Production — Yearlyproduction · safety · compliance17Not published—Not publishedmine-keyed
Inspectionssafety · compliance64Jul 23, 2012—Oct 8, 2026mine-keyed
Minesidentity · production · logistics1Not published—Not publishedmine-keyed
Metal and Nonmetal Area Sampleshealth · safety34Jun 9, 2025—Apr 29, 2026mine-keyed
Metal and Nonmetal Personal Health Sampleshealth · safety303Jun 9, 2025—Sep 23, 2026mine-keyed
Noise Sampleshealth · safety · equipment—No published rowsabsent / not applicable
Quartz Samples — Coalhealth · safety—No published rowsabsent / not applicable
Violationscompliance · safety · legal112Nov 19, 2015—Oct 6, 2026mine-keyed
107(a) Orders Issuedsafety · compliance—No published rowsabsent / not applicable
NOTES
Limitations
- Contractor production is entity-level and is never represented as mine-attributable.
- Missing rows can mean no event, publication delay, identity mismatch, or inapplicability.