# DREYFUS QUARRY

- **MSHA mine ID:** 3800258
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Richland, SC
- **Operator:** Vulcan Construction Materials, LLC
- **Controller:** Vulcan Materials Company
- **Public source rows linked:** 3,461
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Vulcan Materials Company (0071891) → Vulcan Construction Materials, LLC (L16168) → DREYFUS QUARRY (3800258)**

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

## Controller and operator valid-time history

- **Lone Star Industries Inc → Lone Star Industries Inc:** 1950-01-01 through 1986-12-31; derived from co-tenure at mine 3800258; source `msha-controller-operator-history`.
- **Lone Star Industries Inc & Tarmac Plc → Tarmac-Lonestar Inc:** 1987-01-01 through 1988-12-18; derived from co-tenure at mine 3800258; source `msha-controller-operator-history`.
- **Tarmac Plc → Tarmac Mid-Atlantic Inc:** 1988-12-19 through 2000-09-30; derived from co-tenure at mine 3800258; source `msha-controller-operator-history`.
- **Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Construction Materials, LLC:** 2000-10-01 through 2007-11-15; derived from co-tenure at mine 3800258; source `msha-controller-operator-history`.
- **Vulcan Materials Company → Vulcan Construction Materials, LLC:** 2007-11-16 through current/open; derived from co-tenure at mine 3800258; 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 — 5 since 2021:** Accidents and injuries 21 historical accident/injury rows; 0 coded fatalities and 716 lost days across the published record.
2. **COMPLIANCE — 16 since 2021:** Violations and penalties 128 violation rows across the full record; 27 carry an S&S flag and $45,827 appears in current assessed amounts.
3. **HEALTH — 39 samples:** Occupational health samples 39 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 25K employee hours and 40 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 14 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 6 conference records linked by issuance number.
6. **CONTRACTORS — 22 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 — 15 since 2021:** Inspections 79 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 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.4011 — Abandoned electric circuits.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4011
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207

## Source coverage

- **Accident, Injuries, and Illnesses:** 21 rows; 2001-10-30 through 2026-04-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1978-12-20 through 1978-12-20; source ID `msha-addresses`
- **Assessed Violations:** 127 rows; 2000-06-16 through 2025-10-06; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2009-07-30 through 2017-08-10; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 6 rows; 2000-06-16 through 2025-03-19; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2008-02-28 through 2017-03-09; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,141 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 507 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2000-10-01; source ID `msha-controller-operator-history`
- **Inspections:** 79 rows; 2000-05-23 through 2026-04-21; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 317 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 39 rows; 2001-03-14 through 2026-04-23; source ID `msha-personal-health-samples`
- **Violations:** 128 rows; 2000-06-16 through 2025-10-06; 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/dreyfus-quarry-3800258`
- JSON: `/api/v1/mines/dreyfus-quarry-3800258`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3800258/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3800258/relationships`
- MCP resource: `mine://3800258/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`