# 10A Mine

- **MSHA mine ID:** 4608852
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Webster, WV
- **Operator:** Brooks Run Mining Company LLC
- **Controller:** Pristine Clean Energy LLC
- **Public source rows linked:** 1,872
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Pristine Clean Energy LLC (0137121) → Brooks Run Mining Company LLC (0051081) → 10A Mine (4608852)**

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

## Controller and operator valid-time history

- **El Paso Energy Corp → Coastal Coal-West Virginia, LLC:** 2000-09-01 through 2003-01-31; derived from co-tenure at mine 4608852; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Brooks Run Mining Company LLC:** 2003-02-01 through 2016-07-25; derived from co-tenure at mine 4608852; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Brooks Run Mining Company LLC:** 2016-07-26 through 2017-10-04; derived from co-tenure at mine 4608852; source `msha-controller-operator-history`.
- **Pristine Clean Energy LLC → Brooks Run Mining Company LLC:** 2017-10-05 through current/open; derived from co-tenure at mine 4608852; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 10
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 70 historical accident/injury rows; 0 coded fatalities and 1,083 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 305 violation rows across the full record; 112 carry an S&S flag and $60,583 appears in current assessed amounts.
3. **HEALTH — 424 samples:** Occupational health samples 387 coal dust; 30 coal quartz; 7 noise. 0 personal-sample rows have a published C/E ratio above 1; 3 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 3K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 7 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 7 conference records linked by issuance number.
6. **CONTRACTORS — 5 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 54 inspection events and 3K 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 75.220 — Roof control plan.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220
- **30 CFR 75.1725 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725
- **30 CFR 75.517 — Power wires and cables; insulation and protection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517
- **30 CFR 75.203 — Mining methods.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.203
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 75.1714-3 — Self-rescue devices; inspection, testing, maintenance, repair, and recordkeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-3
- **30 CFR 75.523-3 — Automatic emergency-parking brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.523-3
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606

## Source coverage

- **Accident, Injuries, and Illnesses:** 70 rows; 2002-05-02 through 2006-08-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-10-31 through 2006-10-31; source ID `msha-addresses`
- **Assessed Violations:** 296 rows; 2002-04-15 through 2006-10-10; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 387 rows; 2002-04-01 through 2006-09-12; source ID `msha-coal-dust-samples`
- **Conferences:** 7 rows; 2002-05-23 through 2006-11-30; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 544 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 85 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2000-09-01 through 2003-02-01; source ID `msha-controller-operator-history`
- **Inspections:** 54 rows; 2002-01-31 through 2006-07-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 67 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 14 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 7 rows; 2003-08-14 through 2004-03-30; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 30 rows; 2002-07-31 through 2006-06-24; source ID `msha-quartz-samples`
- **Violations:** 305 rows; 2002-04-15 through 2006-10-10; 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/10a-mine-4608852`
- JSON: `/api/v1/mines/10a-mine-4608852`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4608852/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4608852/relationships`
- MCP resource: `mine://4608852/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`