# Viburnum #28 Mine/Mill

- **MSHA mine ID:** 2300494
- **Status:** Abandoned
- **Type / commodity:** Underground / Lead-Zinc Ore
- **Location:** Iron, MO
- **Operator:** Doe Run Company
- **Controller:** Renco Group Inc
- **Public source rows linked:** 1,029
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Renco Group Inc (M10271) → Doe Run Company (L13463) → Viburnum #28 Mine/Mill (2300494)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Fluor Corp → Doe Run Company:** 1950-01-01 through 1994-04-03; derived from co-tenure at mine 2300494; source `msha-controller-operator-history`.
- **Renco Group Inc → Doe Run Company:** 1994-04-04 through current/open; derived from co-tenure at mine 2300494; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 8 historical accident/injury rows; 0 coded fatalities and 234 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 79 violation rows across the full record; 24 carry an S&S flag and $13,518 appears in current assessed amounts.
3. **HEALTH — 22 samples:** Occupational health samples 22 personal. 0 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.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 13K employee hours and 25 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 6 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 2 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 3 linked entities:** 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.
7. **INSPECTIONS — 0 since 2021:** Inspections 38 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 57.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-Q/section-57.18002
- **30 CFR 57.3200 — Correction of hazardous conditions.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3200
- **30 CFR 57.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14107
- **30 CFR 57.12034 — Guarding around lights.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12034
- **30 CFR 57.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20003
- **30 CFR 57.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4201
- **30 CFR 57.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14101
- **30 CFR 57.14132 — Horns and backup alarms for surface equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14132
- **30 CFR 57.14103 — Operators' stations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14103

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2000-05-02 through 2003-07-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2004-09-15 through 2004-09-15; source ID `msha-addresses`
- **Assessed Violations:** 79 rows; 2000-02-10 through 2003-12-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2000-08-25 through 2001-05-23; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 4 rows; 2000-10-20 through 2002-10-16; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 617 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 117 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 1994-04-04; source ID `msha-controller-operator-history`
- **Inspections:** 38 rows; 2000-01-06 through 2004-08-12; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 42 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 17 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 22 rows; 2001-06-27 through 2002-12-18; source ID `msha-personal-health-samples`
- **Violations:** 79 rows; 2000-02-10 through 2003-12-18; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/viburnum-28-mine-mill-2300494`
- JSON: `/api/v1/mines/viburnum-28-mine-mill-2300494`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2300494/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2300494/relationships`
- MCP resource: `mine://2300494/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`