# Pioneer Preparation Plant

- **MSHA mine ID:** 1516858
- **Status:** Active
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Knott, KY
- **Operator:** B&W Resources Inc.
- **Controller:** Lipari Energy
- **Public source rows linked:** 4,084
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Lipari Energy (0079793) → B&W Resources Inc. (P24596) → Pioneer Preparation Plant (1516858)**

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

## Controller and operator valid-time history

- **Florida Progress Corporation → Diamond May Coal Company Inc:** 1989-08-01 through 1991-02-28; derived from co-tenure at mine 1516858; source `msha-controller-operator-history`.
- **Charles E  Yates → Adena Processing Inc:** 1991-03-01 through 1992-08-31; derived from co-tenure at mine 1516858; source `msha-controller-operator-history`.
- **Florida Progress Corporation → Diamond May Coal Company Inc:** 1992-09-01 through 2000-11-29; derived from co-tenure at mine 1516858; source `msha-controller-operator-history`.
- **Progress Energy Inc → Diamond May Coal Co Inc:** 2002-01-28 through 2006-05-04; derived from co-tenure at mine 1516858; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Enterprise Mining Company LLC:** 2006-05-05 through 2014-12-17; derived from co-tenure at mine 1516858; source `msha-controller-operator-history`.
- **Amfire LLC → Enterprise Mining Company LLC:** 2006-05-05 through 2003-01-31; derived from co-tenure at mine 1516858; source `msha-controller-operator-history`.
- **Lipari Energy → B&W Resources Inc.:** 2014-12-18 through current/open; derived from co-tenure at mine 1516858; source `msha-controller-operator-history`.
- **David  Wells → B&W Resources Inc.:** 2014-12-18 through 2008-09-11; derived from co-tenure at mine 1516858; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Enterprise Mining Company LLC:** 2016-07-26 through 2014-12-17; derived from co-tenure at mine 1516858; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 23
- Interval anomalies: 3
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 25 historical accident/injury rows; 0 coded fatalities and 814 lost days across the published record.
2. **COMPLIANCE — 60 since 2021:** Violations and penalties 538 violation rows across the full record; 163 carry an S&S flag and $100,052 appears in current assessed amounts.
3. **HEALTH — 602 samples:** Occupational health samples 380 coal dust; 23 coal quartz; 199 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 14K employee hours and 24 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 62 linked rows:** Contests, conferences and decisions 30 contested-violation rows, 30 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 39 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 — 31 since 2021:** Inspections 180 inspection events and 6K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 0 short tons
- **Labor hours:** 17,469
- **Average employees:** 8
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **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 77.209 — Surge and storage piles.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.209
- **30 CFR 77.207 — Illumination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.207
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (6 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 25 rows; 2000-07-15 through 2019-08-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-09-01 through 2016-09-01; source ID `msha-addresses`
- **Assessed Violations:** 534 rows; 2000-01-11 through 2026-07-07; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 30 rows; 2009-10-15 through 2017-12-14; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 380 rows; 2000-01-31 through 2026-08-24; source ID `msha-coal-dust-samples`
- **Conferences:** 2 rows; 2015-12-09 through 2015-12-09; source ID `msha-conferences`
- **Contested Violations:** 30 rows; 2008-05-07 through 2017-07-05; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,706 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 383 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 9 rows; 1989-08-01 through 2014-12-18; source ID `msha-controller-operator-history`
- **Inspections:** 180 rows; 2000-01-11 through 2026-10-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 16 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 27 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 199 rows; 2001-10-24 through 2026-06-25; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 23 rows; 2000-04-12 through 2024-04-26; source ID `msha-quartz-samples`
- **Violations:** 538 rows; 2000-01-11 through 2026-07-07; 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/pioneer-preparation-plant-1516858`
- JSON: `/api/v1/mines/pioneer-preparation-plant-1516858`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1516858/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1516858/relationships`
- MCP resource: `mine://1516858/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`