# Culpeper Plant

- **MSHA mine ID:** 4400031
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Culpeper, VA
- **Operator:** Luck Stone Corporation
- **Controller:** Charles S  Luck IV
- **Public source rows linked:** 2,136
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Charles S  Luck IV (M01765) → Luck Stone Corporation (L06215) → Culpeper Plant (4400031)**

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

## Controller and operator valid-time history

- **Koppers Company Inc → Culpeper Stone Company Inc:** 1950-01-01 through 1984-05-29; derived from co-tenure at mine 4400031; source `msha-controller-operator-history`.
- **W H  Hurt Jr  et al → Culpeper Stone Company Inc:** 1984-05-30 through 1992-04-12; derived from co-tenure at mine 4400031; source `msha-controller-operator-history`.
- **A G  Willis Jr  et al → Culpeper Stone Company Inc:** 1984-05-30 through 1992-04-12; derived from co-tenure at mine 4400031; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Martin Marietta Aggregates:** 1992-04-13 through 2002-05-01; derived from co-tenure at mine 4400031; source `msha-controller-operator-history`.
- **Charles S  Luck IV  et al → Luck Stone Corporation:** 2002-05-02 through current/open; derived from co-tenure at mine 4400031; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 13
- 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 — 1 since 2021:** Accidents and injuries 17 historical accident/injury rows; 0 coded fatalities and 210 lost days across the published record.
2. **COMPLIANCE — 1 since 2021:** Violations and penalties 85 violation rows across the full record; 20 carry an S&S flag and $10,051 appears in current assessed amounts.
3. **HEALTH — 52 samples:** Occupational health samples 52 personal. 0 personal-sample rows have a published C/E ratio above 1; 0 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 7K employee hours and 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 9 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 — 13 since 2021:** Inspections 65 inspection events and 1K 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 56.4201 — Inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.4430 — Storage facilities.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4430
- **30 CFR 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200
- **30 CFR 56.14201 — Conveyor start-up warnings.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14201
- **30 CFR 56.14110 — Flying or falling materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14110
- **30 CFR 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132

## Source coverage

- **Accident, Injuries, and Illnesses:** 17 rows; 2000-07-03 through 2025-12-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-05-21 through 2009-05-21; source ID `msha-addresses`
- **Assessed Violations:** 84 rows; 2000-02-09 through 2022-04-13; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2012-10-05 through 2012-10-05; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2000-03-20 through 2000-09-12; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2011-09-07 through 2011-09-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,175 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 270 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2002-05-02; source ID `msha-controller-operator-history`
- **Inspections:** 65 rows; 2000-02-09 through 2026-07-20; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 299 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 78 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 52 rows; 2001-10-04 through 2026-07-21; source ID `msha-personal-health-samples`
- **Violations:** 85 rows; 2000-02-09 through 2022-04-13; 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/culpeper-plant-4400031`
- JSON: `/api/v1/mines/culpeper-plant-4400031`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4400031/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4400031/relationships`
- MCP resource: `mine://4400031/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`