# CCU Harrison Strip

- **MSHA mine ID:** 3304414
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Harrison, OH
- **Operator:** CCU Coal and Construction LLC
- **Controller:** Charles C  Ungurean
- **Public source rows linked:** 3,080
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Charles C  Ungurean (C04381) → CCU Coal and Construction LLC (0161793) → CCU Harrison Strip (3304414)**

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

## Controller and operator valid-time history

- **Charles C  Ungurean → Oxford Mining Co. LLC:** 1998-04-01 through 2014-12-31; derived from co-tenure at mine 3304414; source `msha-controller-operator-history`.
- **Westmoreland Coal Company → Oxford Mining Co. LLC:** 2015-01-01 through 2019-02-10; derived from co-tenure at mine 3304414; source `msha-controller-operator-history`.
- **Charles C  Ungurean → CCU Coal and Construction LLC:** 2019-02-11 through current/open; derived from co-tenure at mine 3304414; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 36 historical accident/injury rows; 0 coded fatalities and 1,129 lost days across the published record.
2. **COMPLIANCE — 7 since 2021:** Violations and penalties 125 violation rows across the full record; 28 carry an S&S flag and $26,379 appears in current assessed amounts.
3. **HEALTH — 745 samples:** Occupational health samples 506 coal dust; 35 coal quartz; 204 noise. 0 personal-sample rows have a published C/E ratio above 1; 17 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 2K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 32 linked rows:** Contests, conferences and decisions 14 contested-violation rows, 14 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 10 since 2021:** Inspections 93 inspection events and 4K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 27,111 short tons
- **Labor hours:** 13,094
- **Average employees:** 9
- **Coal supply region:** Appalachia Northern
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.205 — Travelways at surface installations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 71.100 — Respirable dust standard.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-B/section-71.100
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41

## Source coverage

- **Accident, Injuries, and Illnesses:** 36 rows; 2004-09-07 through 2019-08-09; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-07-10 through 2024-07-10; source ID `msha-addresses`
- **Assessed Violations:** 123 rows; 2004-11-09 through 2023-05-15; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 14 rows; 2011-05-05 through 2016-10-13; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 506 rows; 2000-03-27 through 2024-04-02; source ID `msha-coal-dust-samples`
- **Conferences:** 4 rows; 2014-01-10 through 2016-06-16; source ID `msha-conferences`
- **Contested Violations:** 14 rows; 2009-08-31 through 2016-04-12; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,417 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 310 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1998-04-01 through 2019-02-11; source ID `msha-controller-operator-history`
- **Inspections:** 93 rows; 2000-03-27 through 2024-05-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 155 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 39 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 204 rows; 2000-03-28 through 2024-02-05; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 35 rows; 2003-05-13 through 2024-02-05; source ID `msha-quartz-samples`
- **Violations:** 125 rows; 2004-11-09 through 2023-05-15; 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/ccu-harrison-strip-3304414`
- JSON: `/api/v1/mines/ccu-harrison-strip-3304414`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3304414/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3304414/relationships`
- MCP resource: `mine://3304414/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
