# Superior Preparation Plant

- **MSHA mine ID:** 4602515
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Logan, WV
- **Operator:** Coal-Mac, LLC
- **Controller:** John Mitch Potter
- **Public source rows linked:** 4,290
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**John Mitch Potter (0144441) → Coal-Mac, LLC (P20596) → Superior Preparation Plant (4602515)**

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

## Controller and operator valid-time history

- **Wheeling-Pittsburgh Corp → W-P Coal Company:** 1950-01-01 through 1993-11-14; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Massey Energy Company → Stirrat Coal Company:** 1993-11-15 through 1994-02-21; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Joby  Fields → Augusta Processing Inc:** 1994-02-22 through 1997-01-19; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Massey Energy Company → Stirrat Coal Company LLC:** 1997-01-20 through 2011-05-31; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Stirrat Coal Company:** 2011-06-01 through 1994-02-21; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Stirrat Coal Company LLC:** 2011-06-01 through 2016-07-25; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Stirrat Coal Company:** 2016-07-26 through 1994-02-21; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Stirrat Coal Company LLC:** 2016-07-26 through 2017-10-22; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Lexington Coal Holdings, Inc → Lexington Coal Company, LLC:** 2017-10-23 through 2024-07-22; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **John Mitch Potter → Coal-Mac, LLC:** 2024-07-23 through current/open; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Ashland Inc et al → Coal-Mac, LLC:** 2024-07-23 through 1997-06-30; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.
- **Arch Resources Inc → Coal-Mac, LLC:** 2024-07-23 through 2019-10-22; derived from co-tenure at mine 4602515; source `msha-controller-operator-history`.

- History rows: 12
- Typed edges: 27
- Interval anomalies: 4
- 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 8 historical accident/injury rows; 0 coded fatalities and 42 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 305 violation rows across the full record; 125 carry an S&S flag and $117,677 appears in current assessed amounts.
3. **HEALTH — 155 samples:** Occupational health samples 102 coal dust; 5 coal quartz; 48 noise. 0 personal-sample rows have a published C/E ratio above 1; 7 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 20 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 154 linked rows:** Contests, conferences and decisions 77 contested-violation rows, 77 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 19 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 — 28 since 2021:** Inspections 182 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 77.216-3 — Water, sediment, or slurry impoundments and impounding structures; inspection requirements; correction of hazards; program requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216-3
- **30 CFR 77.1103 — Flammable liquids; storage.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **30 CFR 77.1703 — First-Aid training; supervisory employees.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1703
- **30 CFR 48.26 — Experienced miner training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.26
- **30 CFR 77.216 — Water, sediment, or slurry impoundments and impounding structures; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216
- **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 77.502 — 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
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2000-09-28 through 2006-01-01; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2014-02-12 through 2014-02-12; source ID `msha-addresses`
- **Assessed Violations:** 302 rows; 2000-04-05 through 2020-10-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 77 rows; 2009-11-04 through 2014-04-23; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 102 rows; 2000-01-11 through 2013-02-27; source ID `msha-coal-dust-samples`
- **Contested Violations:** 77 rows; 2007-07-20 through 2013-06-24; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,502 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 435 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 12 rows; 1950-01-01 through 2024-07-23; source ID `msha-controller-operator-history`
- **Inspections:** 182 rows; 2000-01-11 through 2026-10-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 198 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 35 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 48 rows; 2000-03-29 through 2013-02-27; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 5 rows; 2002-03-19 through 2008-02-20; source ID `msha-quartz-samples`
- **Violations:** 305 rows; 2000-04-05 through 2020-10-29; 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/superior-preparation-plant-4602515`
- JSON: `/api/v1/mines/superior-preparation-plant-4602515`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4602515/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4602515/relationships`
- MCP resource: `mine://4602515/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`