# Viburnum #35 (Casteel Mine)

- **MSHA mine ID:** 2301800
- **Status:** Active
- **Type / commodity:** Underground / Lead-Zinc Ore
- **Location:** Iron, MO
- **Operator:** Doe Run Resources Corporation dba Doe Run Company
- **Controller:** Renco Group Inc
- **Public source rows linked:** 6,418
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Renco Group Inc (M10271) → Doe Run Resources Corporation dba Doe Run Company (L13463) → Viburnum #35 (Casteel Mine) (2301800)**

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:** 1980-07-01 through 1994-04-03; derived from co-tenure at mine 2301800; source `msha-controller-operator-history`.
- **Renco Group Inc → Doe Run Resources Corporation dba Doe Run Company:** 1994-04-04 through current/open; derived from co-tenure at mine 2301800; 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 — 36 since 2021:** Accidents and injuries 137 historical accident/injury rows; 1 coded fatalities and 1,102 lost days across the published record.
2. **COMPLIANCE — 521 since 2021:** Violations and penalties 1,250 violation rows across the full record; 252 carry an S&S flag and $486,833 appears in current assessed amounts.
3. **HEALTH — 666 samples:** Occupational health samples 582 personal; 84 area. 49 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 11K employee hours and 19 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 194 linked rows:** Contests, conferences and decisions 87 contested-violation rows, 88 civil-penalty docket/decision rows, and 19 conference records linked by issuance number.
6. **CONTRACTORS — 18 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 — 64 since 2021:** Inspections 275 inspection events and 12K 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 57.12006 — Distribution boxes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12006
- **30 CFR 57.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3200
- **30 CFR 57.6160 — Main facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-E/section-57.6160
- **30 CFR 57.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20003
- **30 CFR 57.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12008
- **30 CFR 57.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12032
- **30 CFR 57.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11003
- **30 CFR 57.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4101
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 57.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11001

## Source coverage

- **Accident, Injuries, and Illnesses:** 137 rows; 2000-01-12 through 2026-09-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-10-01 through 2013-10-01; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 84 rows; 2012-10-31 through 2026-04-28; source ID `msha-area-samples`
- **Assessed Violations:** 1,209 rows; 2000-01-25 through 2026-06-22; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 88 rows; 2001-06-13 through 2026-08-03; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 19 rows; 2000-09-20 through 2026-09-16; source ID `msha-conferences`
- **Contested Violations:** 87 rows; 2009-06-30 through 2026-06-22; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,125 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 457 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1980-07-01 through 1994-04-04; source ID `msha-controller-operator-history`
- **Inspections:** 275 rows; 2000-01-06 through 2026-10-13; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 29 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 72 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:** 582 rows; 2002-08-01 through 2026-05-06; source ID `msha-personal-health-samples`
- **Violations:** 1,250 rows; 2000-01-25 through 2026-10-14; 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-35-casteel-mine-2301800`
- JSON: `/api/v1/mines/viburnum-35-casteel-mine-2301800`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2301800/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2301800/relationships`
- MCP resource: `mine://2301800/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`