# Wellmore #8 Prep Plant

- **MSHA mine ID:** 4404982
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Buchanan, VA
- **Operator:** The Black Diamond Company
- **Controller:** Metinvest B V
- **Public source rows linked:** 7,583
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Metinvest B V (0085453) → The Black Diamond Company (P17538) → Wellmore #8 Prep Plant (4404982)**

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

## Controller and operator valid-time history

- **United  Company → Wellmore Coal Corp:** 1978-02-01 through 1997-08-25; derived from co-tenure at mine 4404982; source `msha-controller-operator-history`.
- **Massey Energy Company → Wellmore Coal Corp:** 1997-08-26 through 1997-10-13; derived from co-tenure at mine 4404982; source `msha-controller-operator-history`.
- **Southern Mining Co → Rapoca Energy Company:** 1997-10-14 through 2005-12-31; derived from co-tenure at mine 4404982; source `msha-controller-operator-history`.
- **United  Company → Rapoca Energy Company:** 2006-01-02 through 2006-11-20; derived from co-tenure at mine 4404982; source `msha-controller-operator-history`.
- **United  Company → The Black Diamond Company:** 2006-11-21 through 2009-04-29; derived from co-tenure at mine 4404982; source `msha-controller-operator-history`.
- **Southern Mining Co → The Black Diamond Company:** 2006-11-21 through 2006-01-01; derived from co-tenure at mine 4404982; source `msha-controller-operator-history`.
- **Metinvest B V → The Black Diamond Company:** 2009-04-30 through current/open; derived from co-tenure at mine 4404982; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 18
- Interval anomalies: 1
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 5 since 2021:** Accidents and injuries 55 historical accident/injury rows; 1 coded fatalities and 2,537 lost days across the published record.
2. **COMPLIANCE — 145 since 2021:** Violations and penalties 924 violation rows across the full record; 322 carry an S&S flag and $147,911 appears in current assessed amounts.
3. **HEALTH — 864 samples:** Occupational health samples 576 coal dust; 67 coal quartz; 221 noise. 0 personal-sample rows have a published C/E ratio above 1; 56 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 5K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 39 linked rows:** Contests, conferences and decisions 11 contested-violation rows, 11 civil-penalty docket/decision rows, and 17 conference records linked by issuance number.
6. **CONTRACTORS — 52 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 — 25 since 2021:** Inspections 232 inspection events and 9K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 0 short tons
- **Labor hours:** 95,916
- **Average employees:** 42
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 2

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 50.10 — Immediate notification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.200 — Surface installations; general.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.200
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502

## Source coverage

- **Accident, Injuries, and Illnesses:** 55 rows; 2000-02-29 through 2024-07-04; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-08-26 through 2026-08-26; source ID `msha-addresses`
- **Assessed Violations:** 915 rows; 2000-01-07 through 2026-01-21; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 11 rows; 2011-03-18 through 2025-05-22; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 576 rows; 2000-03-16 through 2026-06-30; source ID `msha-coal-dust-samples`
- **Conferences:** 17 rows; 2008-01-09 through 2023-12-21; source ID `msha-conferences`
- **Contested Violations:** 11 rows; 2008-02-06 through 2024-07-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 3,622 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 790 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1978-02-01 through 2006-11-21; source ID `msha-controller-operator-history`
- **Inspections:** 232 rows; 2000-01-06 through 2026-09-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 106 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 27 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 221 rows; 2000-03-27 through 2025-11-12; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 67 rows; 2000-03-22 through 2025-11-12; source ID `msha-quartz-samples`
- **Violations:** 924 rows; 2000-01-07 through 2026-01-21; 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/wellmore-8-prep-plant-4404982`
- JSON: `/api/v1/mines/wellmore-8-prep-plant-4404982`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4404982/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4404982/relationships`
- MCP resource: `mine://4404982/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`