# Homer City Coal Cleaning Plant

- **MSHA mine ID:** 3606475
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Indiana, PA
- **Operator:** NRG Homer City Services LLC
- **Controller:** NRG Energy Inc
- **Public source rows linked:** 3,363
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**NRG Energy Inc (0107803) → NRG Homer City Services LLC (0126654) → Homer City Coal Cleaning Plant (3606475)**

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

## Controller and operator valid-time history

- **Rochester & Pittsburgh Coal Company → Iselin Preparation Company:** 1977-06-01 through 1990-08-07; derived from co-tenure at mine 3606475; source `msha-controller-operator-history`.
- **CLI International Enterprises Corp → Homer City Coal Processing Corporation:** 1990-08-08 through 2016-03-30; derived from co-tenure at mine 3606475; source `msha-controller-operator-history`.
- **NRG Energy Inc → NRG Homer City Services LLC:** 2016-03-31 through current/open; derived from co-tenure at mine 3606475; 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 69 historical accident/injury rows; 0 coded fatalities and 1,282 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 148 violation rows across the full record; 55 carry an S&S flag and $18,903 appears in current assessed amounts.
3. **HEALTH — 719 samples:** Occupational health samples 517 coal dust; 58 coal quartz; 144 noise. 0 personal-sample rows have a published C/E ratio above 1; 11 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 19K employee hours and 47 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 21 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 9 conference records linked by issuance number.
6. **CONTRACTORS — 10 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 — 0 since 2021:** Inspections 79 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 77.215 — 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 77.1713 — Daily inspection of surface coal mine; certified person; reports of inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1713
- **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 77.1110 — Examination and maintenance of firefighting equipment.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 62.120 — Action level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **30 CFR 48.23 — Training plans; time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.23
- **30 CFR 48.25 — Training of new miners; minimum courses of instruction; hours of instruction.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.25

## Source coverage

- **Accident, Injuries, and Illnesses:** 69 rows; 2000-07-10 through 2016-01-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-09-29 through 2020-09-29; source ID `msha-addresses`
- **Assessed Violations:** 148 rows; 2000-03-28 through 2020-08-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2011-08-18 through 2013-11-21; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 517 rows; 2000-01-17 through 2020-10-27; source ID `msha-coal-dust-samples`
- **Conferences:** 9 rows; 2000-04-17 through 2007-02-26; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2008-11-12 through 2013-01-22; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,758 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 354 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1977-06-01 through 2016-03-31; source ID `msha-controller-operator-history`
- **Inspections:** 79 rows; 2000-03-27 through 2020-06-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 38 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 144 rows; 2000-03-29 through 2020-03-10; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 58 rows; 2000-03-30 through 2016-02-03; source ID `msha-quartz-samples`
- **Violations:** 148 rows; 2000-03-28 through 2020-08-05; 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/homer-city-coal-cleaning-plant-3606475`
- JSON: `/api/v1/mines/homer-city-coal-cleaning-plant-3606475`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3606475/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3606475/relationships`
- MCP resource: `mine://3606475/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`