# Broad Run Prep Plant

- **MSHA mine ID:** 4609179
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Mason, WV
- **Operator:** Big River Mining, LLC
- **Controller:** Coal Field Transports, Inc.
- **Public source rows linked:** 145
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Coal Field Transports, Inc. (0139901) → Big River Mining, LLC (0066403) → Broad Run Prep Plant (4609179)**

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

## Controller and operator valid-time history

- **Foresight Energy/ Murray Energy et al → Clearwater Processing LLC:** 2009-05-05 through 2011-02-15; derived from co-tenure at mine 4609179; source `msha-controller-operator-history`.
- **Coalfield Transport Inc et al → Clearwater Processing LLC:** 2009-05-05 through 2011-02-15; derived from co-tenure at mine 4609179; source `msha-controller-operator-history`.
- **Randel L  Richmond → Big River Mining, LLC:** 2011-02-16 through 2007-06-27; derived from co-tenure at mine 4609179; source `msha-controller-operator-history`.
- **Coal Field Transports, Inc. → Big River Mining, LLC:** 2011-02-16 through current/open; derived from co-tenure at mine 4609179; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- 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 — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 12 violation rows across the full record; 4 carry an S&S flag and $1,766 appears in current assessed amounts.
3. **HEALTH — 23 samples:** Occupational health samples 9 coal dust; 14 noise. 0 personal-sample rows have a published C/E ratio above 1; 4 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 8 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 2 since 2021:** Inspections 22 inspection events and 183 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 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20
- **30 CFR 77.202 — Dust accumulations in surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.202
- **30 CFR 62.130 — Permissible exposure level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **30 CFR 77.204 — Openings in surface installations; safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.204
- **30 CFR 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.1109 — Quantity and location of firefighting equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109
- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 75.320 — Air quality detectors and measurement devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.320
- **30 CFR 77.400 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400

## Source coverage

- **Addresses of Record:** 1 rows; 2021-08-05 through 2021-08-05; source ID `msha-addresses`
- **Assessed Violations:** 12 rows; 2009-09-14 through 2010-03-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2012-04-05 through 2012-04-05; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 9 rows; 2009-09-14 through 2010-03-04; source ID `msha-coal-dust-samples`
- **Contested Violations:** 4 rows; 2009-09-14 through 2009-09-14; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 2009-05-05 through 2011-02-16; source ID `msha-controller-operator-history`
- **Inspections:** 22 rows; 2009-09-13 through 2021-06-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 59 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 3 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 14 rows; 2009-09-14 through 2010-03-04; source ID `msha-noise-samples`
- **Violations:** 12 rows; 2009-09-14 through 2010-03-04; 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/broad-run-prep-plant-4609179`
- JSON: `/api/v1/mines/broad-run-prep-plant-4609179`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609179/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609179/relationships`
- MCP resource: `mine://4609179/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`