# Preparation Plant

- **MSHA mine ID:** 1505106
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Martin, KY
- **Operator:** Lexington Coal Company, LLC
- **Controller:** Lexington Coal Holdings, Inc
- **Public source rows linked:** 3,387
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Lexington Coal Holdings, Inc (0137221) → Lexington Coal Company, LLC (0154153) → Preparation Plant (1505106)**

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

## Controller and operator valid-time history

- **Massey Energy Company → Martin County Coal LLC:** 1975-05-28 through 2011-05-31; derived from co-tenure at mine 1505106; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Martin County Coal LLC:** 2011-06-01 through 2016-07-25; derived from co-tenure at mine 1505106; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Martin County Coal LLC:** 2016-07-26 through 2017-10-22; derived from co-tenure at mine 1505106; source `msha-controller-operator-history`.
- **Lexington Coal Holdings, Inc → Lexington Coal Company, LLC:** 2017-10-23 through current/open; derived from co-tenure at mine 1505106; 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 17 historical accident/injury rows; 0 coded fatalities and 1,252 lost days across the published record.
2. **COMPLIANCE — 2 since 2021:** Violations and penalties 331 violation rows across the full record; 134 carry an S&S flag and $83,230 appears in current assessed amounts.
3. **HEALTH — 327 samples:** Occupational health samples 216 coal dust; 23 coal quartz; 88 noise. 0 personal-sample rows have a published C/E ratio above 1; 19 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 386 employee hours and 7 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 163 linked rows:** Contests, conferences and decisions 71 contested-violation rows, 80 civil-penalty docket/decision rows, and 12 conference records linked by issuance number.
6. **CONTRACTORS — 12 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 — 14 since 2021:** Inspections 201 inspection events and 10K 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 77.215 — Refuse piles; construction requirements.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.215
- **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 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 77.216 — 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 77.404 — Machinery and equipment; operation and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.1104 — Accumulations of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 77.1109 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605

## Source coverage

- **Accident, Injuries, and Illnesses:** 17 rows; 2000-10-11 through 2014-05-07; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-02-06 through 2024-02-06; source ID `msha-addresses`
- **Assessed Violations:** 321 rows; 2000-09-25 through 2022-02-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 80 rows; 2001-07-18 through 2013-11-26; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 216 rows; 2000-02-02 through 2017-12-05; source ID `msha-coal-dust-samples`
- **Conferences:** 12 rows; 2001-10-31 through 2012-02-16; source ID `msha-conferences`
- **Contested Violations:** 71 rows; 2001-10-17 through 2012-01-24; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,526 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 301 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2017-10-23; source ID `msha-controller-operator-history`
- **Inspections:** 201 rows; 2000-03-02 through 2024-01-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 176 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 18 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 88 rows; 2000-09-12 through 2017-12-05; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 23 rows; 2000-09-12 through 2012-01-23; source ID `msha-quartz-samples`
- **Violations:** 331 rows; 2000-09-25 through 2022-02-18; 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/preparation-plant-1505106`
- JSON: `/api/v1/mines/preparation-plant-1505106`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1505106/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1505106/relationships`
- MCP resource: `mine://1505106/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`