# Slabcamp

- **MSHA mine ID:** 4609221
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Kanawha, WV
- **Operator:** Mammoth Coal Co.
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 17,099
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Mammoth Coal Co. (P23835) → Slabcamp (4609221)**

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

## Controller and operator valid-time history

- **Massey Energy Company → Mammoth Coal Co.:** 2007-07-12 through 2011-05-31; derived from co-tenure at mine 4609221; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Mammoth Coal Co.:** 2011-06-01 through 2016-07-25; derived from co-tenure at mine 4609221; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Mammoth Coal Co.:** 2016-07-26 through 2018-11-08; derived from co-tenure at mine 4609221; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Mammoth Coal Co.:** 2018-11-09 through current/open; derived from co-tenure at mine 4609221; source `msha-controller-operator-history`.

- History rows: 4
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 16 since 2021:** Accidents and injuries 94 historical accident/injury rows; 0 coded fatalities and 3,269 lost days across the published record.
2. **COMPLIANCE — 738 since 2021:** Violations and penalties 2,161 violation rows across the full record; 316 carry an S&S flag and $1,714,899 appears in current assessed amounts.
3. **HEALTH — 11K samples:** Occupational health samples 10,074 coal dust; 420 coal quartz; 277 noise. 0 personal-sample rows have a published C/E ratio above 1; 57 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 — 622 tons:** Quarterly production and employment 13K employee hours and 25 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 536 linked rows:** Contests, conferences and decisions 252 contested-violation rows, 252 civil-penalty docket/decision rows, and 32 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 — 24 since 2021:** Inspections 155 inspection events and 28K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 622 short tons
- **Labor hours:** 12,977
- **Average employees:** 25
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 75.333 — Ventilation controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **30 CFR 75.1100-3 — Condition and examination of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3
- **30 CFR 75.362 — On-shift examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.362
- **30 CFR 70.208 — Quarterly sampling; mechanized mining units.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-70/subpart-C/section-70.208
- **30 CFR 75.364 — Weekly examination.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **30 CFR 75.337 — Construction and repair of seals.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.337
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **30 CFR 75.400 — Accumulation of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400

## Source coverage

- **Accident, Injuries, and Illnesses:** 94 rows; 2008-09-15 through 2024-02-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-04-01 through 2024-04-01; source ID `msha-addresses`
- **Assessed Violations:** 2,129 rows; 2007-11-27 through 2024-02-01; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 252 rows; 2010-03-24 through 2024-07-09; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 10,074 rows; 2008-07-31 through 2023-08-18; source ID `msha-coal-dust-samples`
- **Conferences:** 32 rows; 2011-06-24 through 2023-06-23; source ID `msha-conferences`
- **Contested Violations:** 252 rows; 2008-07-23 through 2023-04-25; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 884 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 137 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2007-07-12 through 2007-07-12; source ID `msha-controller-operator-history`
- **Inspections:** 155 rows; 2007-11-26 through 2024-04-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 185 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 41 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 277 rows; 2008-07-21 through 2023-01-17; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 420 rows; 2008-09-17 through 2023-04-28; source ID `msha-quartz-samples`
- **Violations:** 2,161 rows; 2007-11-27 through 2024-02-01; 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/slabcamp-4609221`
- JSON: `/api/v1/mines/slabcamp-4609221`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609221/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609221/relationships`
- MCP resource: `mine://4609221/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
