# O'Neal Quarry & Mill

- **MSHA mine ID:** 0100003
- **Status:** Active
- **Type / commodity:** Surface / Lime
- **Location:** Shelby, AL
- **Operator:** Martin Marietta Materials, Inc.
- **Controller:** Lhoist Group
- **Public source rows linked:** 9,941
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Lhoist Group (0041044) → Martin Marietta Materials, Inc. (L13586) → O'Neal Quarry & Mill (0100003)**

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

## Controller and operator valid-time history

- **M A  Rikard → Allied Products Company:** 1950-01-01 through 1989-06-30; derived from co-tenure at mine 0100003; source `msha-controller-operator-history`.
- **Chemical Lime Company → Lhoist North America of Alabama, LLC:** 1989-07-01 through 1998-12-30; derived from co-tenure at mine 0100003; source `msha-controller-operator-history`.
- **Lhoist Group → Lhoist North America of Alabama, LLC:** 1998-12-31 through current/open; derived from co-tenure at mine 0100003; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 — 17 since 2021:** Accidents and injuries 160 historical accident/injury rows; 0 coded fatalities and 1,675 lost days across the published record.
2. **COMPLIANCE — 79 since 2021:** Violations and penalties 872 violation rows across the full record; 231 carry an S&S flag and $613,520 appears in current assessed amounts.
3. **HEALTH — 107 samples:** Occupational health samples 107 personal. 9 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 58K employee hours and 125 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 190 linked rows:** Contests, conferences and decisions 72 contested-violation rows, 71 civil-penalty docket/decision rows, and 47 conference records linked by issuance number.
6. **CONTRACTORS — 53 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 — 17 since 2021:** Inspections 200 inspection events and 7K 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.20003 — Housekeeping.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **30 CFR 56.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002
- **30 CFR 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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 56.13021 — High-pressure hose connections.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13021

## Source coverage

- **Accident, Injuries, and Illnesses:** 160 rows; 2000-02-15 through 2026-09-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1979-01-22 through 1979-01-22; source ID `msha-addresses`
- **Assessed Violations:** 846 rows; 2000-01-04 through 2026-08-06; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 71 rows; 2001-10-12 through 2014-06-11; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 47 rows; 2000-06-26 through 2026-01-26; source ID `msha-conferences`
- **Contested Violations:** 72 rows; 2006-01-18 through 2013-01-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 5,900 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,276 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 1989-07-01; source ID `msha-controller-operator-history`
- **Inspections:** 200 rows; 2000-01-04 through 2026-08-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 307 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:** 107 rows; 2003-06-05 through 2026-08-06; source ID `msha-personal-health-samples`
- **Violations:** 872 rows; 2000-01-04 through 2026-08-06; 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/o-neal-quarry-mill-0100003`
- JSON: `/api/v1/mines/o-neal-quarry-mill-0100003`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0100003/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0100003/relationships`
- MCP resource: `mine://0100003/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`