# Corinth Prep Plant

- **MSHA mine ID:** 0103155
- **Status:** Temporarily Idled
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Walker, AL
- **Operator:** Prospect Mining & Development Co. LLC
- **Controller:** Sandton Credit Solutions Master Fund IV, LP
- **Public source rows linked:** 1,309
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Sandton Credit Solutions Master Fund IV, LP (0133941) → Prospect Mining & Development Co. LLC (0151473) → Corinth Prep Plant (0103155)**

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

## Controller and operator valid-time history

- **Ronald S  Bryant et al → Warrior Investment Company Inc:** 1999-05-01 through 2016-08-14; derived from co-tenure at mine 0103155; source `msha-controller-operator-history`.
- **Ronald S  Bryant et al → Prospect Mining & Development Co. Inc:** 2016-08-15 through 2016-12-18; derived from co-tenure at mine 0103155; source `msha-controller-operator-history`.
- **Sandton Credit Solutions Master Fund IV, LP → Prospect Mining & Development Co. LLC:** 2016-12-19 through current/open; derived from co-tenure at mine 0103155; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 — 2 since 2021:** Accidents and injuries 13 historical accident/injury rows; 0 coded fatalities and 255 lost days across the published record.
2. **COMPLIANCE — 28 since 2021:** Violations and penalties 209 violation rows across the full record; 65 carry an S&S flag and $35,369 appears in current assessed amounts.
3. **HEALTH — 483 samples:** Occupational health samples 332 coal dust; 11 coal quartz; 140 noise. 0 personal-sample rows have a published C/E ratio above 1; 8 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 2K employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 40 linked rows:** Contests, conferences and decisions 13 contested-violation rows, 13 civil-penalty docket/decision rows, and 14 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 18 since 2021:** Inspections 115 inspection events and 2K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 0 short tons
- **Labor hours:** 31,140
- **Average employees:** 12
- **Coal supply region:** Appalachia Southern
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.400 — Mechanical equipment guards.** (6 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 77.402 — Hand-held power tools; safety devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.402
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 77.809 — Identification of circuit breakers and disconnecting switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-I/section-77.809
- **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 77.504 — Electrical connections or splices; suitability.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.504

## Source coverage

- **Accident, Injuries, and Illnesses:** 13 rows; 2001-05-29 through 2024-03-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-04-02 through 2026-04-02; source ID `msha-addresses`
- **Assessed Violations:** 206 rows; 2000-04-18 through 2025-11-13; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 13 rows; 2007-08-03 through 2025-03-06; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 332 rows; 2000-01-25 through 2025-11-14; source ID `msha-coal-dust-samples`
- **Conferences:** 14 rows; 2000-05-24 through 2008-01-10; source ID `msha-conferences`
- **Contested Violations:** 13 rows; 2006-08-24 through 2024-11-05; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1999-05-01 through 2016-12-19; source ID `msha-controller-operator-history`
- **Inspections:** 115 rows; 2000-03-13 through 2026-10-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 196 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 39 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 140 rows; 2000-03-13 through 2025-11-14; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 11 rows; 2000-08-07 through 2008-11-03; source ID `msha-quartz-samples`
- **Violations:** 209 rows; 2000-04-18 through 2025-11-13; 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/corinth-prep-plant-0103155`
- JSON: `/api/v1/mines/corinth-prep-plant-0103155`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0103155/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0103155/relationships`
- MCP resource: `mine://0103155/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
