# Robena Preparation Plant

- **MSHA mine ID:** 3604175
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Greene, PA
- **Operator:** CONSOL Mining Company LLC
- **Controller:** Core Natural Resources Inc
- **Public source rows linked:** 1,693
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Core Natural Resources Inc (0189840) → CONSOL Mining Company LLC (0130893) → Robena Preparation Plant (3604175)**

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

## Controller and operator valid-time history

- **Usx Corp → United States Steel Mining Company Inc:** 1950-01-01 through 1983-12-21; derived from co-tenure at mine 3604175; source `msha-controller-operator-history`.
- **CONSOL Energy Inc → Consolidation Coal Company:** 1983-12-22 through 2013-12-04; derived from co-tenure at mine 3604175; source `msha-controller-operator-history`.
- **Robert E  Murray → Consolidation Coal Company:** 2013-12-05 through 2013-12-05; derived from co-tenure at mine 3604175; source `msha-controller-operator-history`.
- **CONSOL Energy Inc → CONSOL Mining Company LLC:** 2013-12-06 through 2025-01-13; derived from co-tenure at mine 3604175; source `msha-controller-operator-history`.
- **Core Natural Resources Inc → CONSOL Mining Company LLC:** 2025-01-14 through current/open; derived from co-tenure at mine 3604175; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 13
- 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 — 1 since 2021:** Accidents and injuries 10 historical accident/injury rows; 0 coded fatalities and 179 lost days across the published record.
2. **COMPLIANCE — 5 since 2021:** Violations and penalties 200 violation rows across the full record; 97 carry an S&S flag and $21,595 appears in current assessed amounts.
3. **HEALTH — 85 samples:** Occupational health samples 62 coal dust; 23 noise. 0 personal-sample rows have a published C/E ratio above 1; 6 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 12K employee hours and 26 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 32 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 7 civil-penalty docket/decision rows, and 21 conference records linked by issuance number.
6. **CONTRACTORS — 8 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 — 17 since 2021:** Inspections 125 inspection events and 4K 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 77.502 — Electric equipment; examination, testing, and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 77.516 — Electric wiring and equipment; installation and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516
- **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 77.215 — 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 77.1605 — 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 71.500 — Sanitary toilet facilities at surface work sites; installation requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-F/section-71.500
- **30 CFR 71.600 — Drinking water; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-G/section-71.600
- **30 CFR 77.1707 — First aid equipment; location; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1707
- **30 CFR 77.1713 — Daily inspection of surface coal mine; certified person; reports of inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1713
- **30 CFR 77.216-2 — Water, sediment, or slurry impoundments and impounding structures; minimum plan requirements; changes or modifications; certification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216-2

## Source coverage

- **Accident, Injuries, and Illnesses:** 10 rows; 2000-03-19 through 2025-08-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2017-08-14 through 2017-08-14; source ID `msha-addresses`
- **Assessed Violations:** 193 rows; 2000-02-15 through 2026-07-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 7 rows; 2001-07-13 through 2013-02-05; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 62 rows; 2000-07-10 through 2026-07-29; source ID `msha-coal-dust-samples`
- **Conferences:** 21 rows; 2000-04-12 through 2018-05-10; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2012-08-06 through 2012-08-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 851 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 160 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2013-12-06; source ID `msha-controller-operator-history`
- **Inspections:** 125 rows; 2000-01-05 through 2026-06-16; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 14 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 16 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 23 rows; 2000-03-20 through 2017-10-23; source ID `msha-noise-samples`
- **Violations:** 200 rows; 2000-02-15 through 2026-07-29; 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/robena-preparation-plant-3604175`
- JSON: `/api/v1/mines/robena-preparation-plant-3604175`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3604175/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3604175/relationships`
- MCP resource: `mine://3604175/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`