# OLAN PROCESSING PLANT

- **MSHA mine ID:** 4609556
- **Status:** Active
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Mercer, WV
- **Operator:** ONYX ENERGY, LLC
- **Controller:** Mohegan Energy Trustees LLC
- **Public source rows linked:** 662
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Mohegan Energy Trustees LLC (0141301) → ONYX ENERGY, LLC (0098205) → OLAN PROCESSING PLANT (4609556)**

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

## Controller and operator valid-time history

- **Mohegan Energy Trustees LLC → Star Services, LLC:** 2018-10-26 through 2022-12-05; derived from co-tenure at mine 4609556; source `msha-controller-operator-history`.
- **Richard G  Preservati II → Star Services, LLC:** 2018-10-26 through 2018-05-15; derived from co-tenure at mine 4609556; source `msha-controller-operator-history`.
- **Mohegan Energy Trustees LLC → Onyx Energy, LLC:** 2022-12-06 through current/open; derived from co-tenure at mine 4609556; source `msha-controller-operator-history`.
- **Richard G  Preservati II → Onyx Energy, LLC:** 2022-12-06 through 2018-05-15; derived from co-tenure at mine 4609556; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- Interval anomalies: 2
- 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 — 1 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 127 lost days across the published record.
2. **COMPLIANCE — 60 since 2021:** Violations and penalties 90 violation rows across the full record; 19 carry an S&S flag and $23,966 appears in current assessed amounts.
3. **HEALTH — 132 samples:** Occupational health samples 92 coal dust; 5 coal quartz; 35 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 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 7K employee hours and 8 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 — 29 since 2021:** Inspections 35 inspection events and 758 published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 0 short tons
- **Labor hours:** 66,464
- **Average employees:** 23
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 2

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 77.215 — Refuse piles; construction requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.215
- **30 CFR 77.2104 — Record and inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-V/section-77.2104
- **30 CFR 77.512 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.512
- **30 CFR 71.209 — Status change reports.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.209
- **30 CFR 71.208 — Respirable dust samples; report to operator; posting.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.208
- **30 CFR 71.403 — Waiver of surface facilities requirements; posting of waiver.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.403
- **30 CFR 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **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
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2022-12-23 through 2022-12-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-03-21 through 2022-03-21; source ID `msha-addresses`
- **Assessed Violations:** 89 rows; 2020-02-24 through 2025-10-02; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 92 rows; 2020-03-06 through 2026-06-03; source ID `msha-coal-dust-samples`
- **Conferences:** 4 rows; 2020-08-24 through 2020-08-24; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 218 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 51 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2018-10-26 through 2022-12-06; source ID `msha-controller-operator-history`
- **Inspections:** 35 rows; 2019-06-27 through 2026-06-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 28 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 8 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 35 rows; 2020-03-06 through 2025-10-15; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 5 rows; 2022-05-10 through 2024-06-20; source ID `msha-quartz-samples`
- **Violations:** 90 rows; 2020-02-24 through 2025-10-02; 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/olan-processing-plant-4609556`
- JSON: `/api/v1/mines/olan-processing-plant-4609556`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609556/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609556/relationships`
- MCP resource: `mine://4609556/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`