# Postar No 1 Mine

- **MSHA mine ID:** 4607983
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Mcdowell, WV
- **Operator:** Riverside Energy Company, LLC
- **Controller:** Alpha Natural Resources Holdings, Inc
- **Public source rows linked:** 1,667
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Natural Resources Holdings, Inc (0127923) → Riverside Energy Company, LLC (0054316) → Postar No 1 Mine (4607983)**

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

## Controller and operator valid-time history

- **Charles  Adkins → West Virginia-Tennessee Coal Sales Inc:** 1990-12-01 through 1991-05-14; derived from co-tenure at mine 4607983; source `msha-controller-operator-history`.
- **Jack  Slone et al → Chestnut Creek Coal Company Inc:** 1991-05-15 through 1992-10-13; derived from co-tenure at mine 4607983; source `msha-controller-operator-history`.
- **Michael D  Poskas → Postar Coal Company Inc:** 1992-10-14 through 2011-04-03; derived from co-tenure at mine 4607983; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Riverside Energy Company, LLC:** 2011-04-04 through 2016-07-25; derived from co-tenure at mine 4607983; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Riverside Energy Company, LLC:** 2016-07-26 through current/open; derived from co-tenure at mine 4607983; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 14
- 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 24 historical accident/injury rows; 0 coded fatalities and 1,303 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 352 violation rows across the full record; 140 carry an S&S flag and $70,361 appears in current assessed amounts.
3. **HEALTH — 562 samples:** Occupational health samples 487 coal dust; 39 coal quartz; 36 noise. 0 personal-sample rows have a published C/E ratio above 1; 4 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 — 31 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 31 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 113 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 48.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-A/section-48.9
- **30 CFR 77.215-1 — Refuse piles; identification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.215-1
- **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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.364 — Weekly examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **30 CFR 75.1710 — Canopies or cabs; diesel-powered and electric face equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1710
- **30 CFR 75.1202 — Temporary notations, revisions, and supplements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1202
- **30 CFR 75.312 — Main mine fan examinations and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.312
- **30 CFR 75.332 — Working sections and working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.332

## Source coverage

- **Accident, Injuries, and Illnesses:** 24 rows; 2000-07-05 through 2007-01-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2014-01-10 through 2014-01-10; source ID `msha-addresses`
- **Assessed Violations:** 340 rows; 2000-02-08 through 2013-12-10; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 487 rows; 2000-02-08 through 2007-01-26; source ID `msha-coal-dust-samples`
- **Conferences:** 31 rows; 2000-11-08 through 2014-03-18; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 137 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 30 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1990-12-01 through 2011-04-04; source ID `msha-controller-operator-history`
- **Inspections:** 113 rows; 2000-01-18 through 2014-01-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 62 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 9 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 36 rows; 2000-05-09 through 2006-07-31; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 39 rows; 2000-02-08 through 2006-02-08; source ID `msha-quartz-samples`
- **Violations:** 352 rows; 2000-02-08 through 2013-12-10; 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/postar-no-1-mine-4607983`
- JSON: `/api/v1/mines/postar-no-1-mine-4607983`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4607983/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4607983/relationships`
- MCP resource: `mine://4607983/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`