# UZ No. 2

- **MSHA mine ID:** 1519297
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Letcher, KY
- **Operator:** Smoky Quartz
- **Controller:** John T  Quintrell
- **Public source rows linked:** 3,289
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**John T  Quintrell (0150681) → Smoky Quartz (0177913) → UZ No. 2 (1519297)**

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

## Controller and operator valid-time history

- **United  Company → Sapphire Coal Company:** 2008-08-27 through 2009-04-29; derived from co-tenure at mine 1519297; source `msha-controller-operator-history`.
- **Metinvest B V → Sapphire Coal Company:** 2009-04-30 through 2021-08-05; derived from co-tenure at mine 1519297; source `msha-controller-operator-history`.
- **John T  Quintrell → Smoky Quartz:** 2021-08-06 through current/open; derived from co-tenure at mine 1519297; 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 21 historical accident/injury rows; 0 coded fatalities and 420 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 826 violation rows across the full record; 229 carry an S&S flag and $379,912 appears in current assessed amounts.
3. **HEALTH — 473 samples:** Occupational health samples 408 coal dust; 33 coal quartz; 32 noise. 0 personal-sample rows have a published C/E ratio above 1; 10 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 1K employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 419 linked rows:** Contests, conferences and decisions 175 contested-violation rows, 175 civil-penalty docket/decision rows, and 69 conference records linked by issuance number.
6. **CONTRACTORS — 7 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 89 inspection events and 5K 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 75.1711 — Sealing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711
- **30 CFR 75.1714-8 — Reporting SCSR inventory and malfunctions; retention of SCSRs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-8
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **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
- **30 CFR 77.403-1 — Mobile equipment; rollover protective structures (ROPS).** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.403-1
- **30 CFR 72.520 — Diesel equipment inventory.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-D/section-72.520
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.1104 — Accumulations of combustible materials.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104

## Source coverage

- **Accident, Injuries, and Illnesses:** 21 rows; 2009-04-30 through 2011-07-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-10-28 through 2022-10-28; source ID `msha-addresses`
- **Assessed Violations:** 815 rows; 2008-12-29 through 2013-09-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 175 rows; 2010-09-30 through 2016-01-20; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 408 rows; 2009-05-01 through 2012-01-13; source ID `msha-coal-dust-samples`
- **Conferences:** 69 rows; 2009-10-14 through 2013-05-10; source ID `msha-conferences`
- **Contested Violations:** 175 rows; 2009-01-09 through 2013-09-24; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 452 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 121 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2008-08-27 through 2021-08-06; source ID `msha-controller-operator-history`
- **Inspections:** 89 rows; 2008-09-02 through 2013-12-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 57 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 11 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 32 rows; 2009-09-28 through 2011-10-18; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 33 rows; 2009-05-27 through 2011-08-29; source ID `msha-quartz-samples`
- **Violations:** 826 rows; 2008-12-29 through 2013-09-24; 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/uz-no-2-1519297`
- JSON: `/api/v1/mines/uz-no-2-1519297`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519297/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519297/relationships`
- MCP resource: `mine://1519297/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`