# Chess Processing

- **MSHA mine ID:** 4606188
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Boone, WV
- **Operator:** Elk Run Coal Company, LLC
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 4,747
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Elk Run Coal Company, LLC (P11051) → Chess Processing (4606188)**

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

## Controller and operator valid-time history

- **Massey Energy Company → Elk Run Coal Company, LLC:** 1980-07-01 through 2011-05-31; derived from co-tenure at mine 4606188; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Elk Run Coal Company, LLC:** 2011-06-01 through 2016-07-25; derived from co-tenure at mine 4606188; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Elk Run Coal Company, LLC:** 2016-07-26 through 2018-11-08; derived from co-tenure at mine 4606188; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Elk Run Coal Company, LLC:** 2018-11-09 through current/open; derived from co-tenure at mine 4606188; 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 — 2 since 2021:** Accidents and injuries 79 historical accident/injury rows; 0 coded fatalities and 1,662 lost days across the published record.
2. **COMPLIANCE — 56 since 2021:** Violations and penalties 429 violation rows across the full record; 191 carry an S&S flag and $129,166 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 804 coal dust; 126 coal quartz; 76 noise. 0 personal-sample rows have a published C/E ratio above 1; 25 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 225 linked rows:** Contests, conferences and decisions 94 contested-violation rows, 95 civil-penalty docket/decision rows, and 36 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 — 37 since 2021:** Inspections 236 inspection events and 7K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 0 short tons
- **Labor hours:** 72,491
- **Average employees:** 26
- **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 77.200 — Surface installations; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.200
- **30 CFR 77.1104 — Accumulations of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **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 77.1710 — Protective clothing; requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1710
- **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 77.400 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 77.202 — Dust accumulations in surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.202
- **30 CFR 77.516 — Electric wiring and equipment; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516

## Source coverage

- **Accident, Injuries, and Illnesses:** 79 rows; 2000-01-02 through 2024-01-09; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-12-16 through 2024-12-16; source ID `msha-addresses`
- **Assessed Violations:** 416 rows; 2000-02-22 through 2024-11-12; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 95 rows; 2004-04-19 through 2024-11-13; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 804 rows; 2000-03-30 through 2026-09-23; source ID `msha-coal-dust-samples`
- **Conferences:** 36 rows; 2001-04-06 through 2025-03-28; source ID `msha-conferences`
- **Contested Violations:** 94 rows; 2003-06-05 through 2024-03-26; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,747 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 343 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1980-07-01 through 1980-07-01; source ID `msha-controller-operator-history`
- **Inspections:** 236 rows; 2000-02-08 through 2026-08-20; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 48 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 76 rows; 2000-03-21 through 2024-11-12; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 126 rows; 2000-05-08 through 2024-11-13; source ID `msha-quartz-samples`
- **Violations:** 429 rows; 2000-02-22 through 2024-11-12; 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/chess-processing-4606188`
- JSON: `/api/v1/mines/chess-processing-4606188`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4606188/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4606188/relationships`
- MCP resource: `mine://4606188/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`