# Okay Quarry

- **MSHA mine ID:** 3401761
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Wagoner, OK
- **Operator:** ARKHOLA
- **Controller:** CRH PLC
- **Public source rows linked:** 1,889
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → ARKHOLA (L11502) → Okay Quarry (3401761)**

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

## Controller and operator valid-time history

- **Ed  Mason → Southern Quikrete Products:** 1991-06-01 through 1993-12-09; derived from co-tenure at mine 3401761; source `msha-controller-operator-history`.
- **Ben C  Lair → Vinita Rock Company:** 1993-12-10 through 2000-09-14; derived from co-tenure at mine 3401761; source `msha-controller-operator-history`.
- **Ashland Inc → ARKHOLA:** 2000-09-15 through 2006-08-27; derived from co-tenure at mine 3401761; source `msha-controller-operator-history`.
- **CRH PLC → ARKHOLA:** 2006-08-28 through current/open; derived from co-tenure at mine 3401761; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 2 historical accident/injury rows; 0 coded fatalities and 6 lost days across the published record.
2. **COMPLIANCE — 11 since 2021:** Violations and penalties 90 violation rows across the full record; 25 carry an S&S flag and $13,682 appears in current assessed amounts.
3. **HEALTH — 53 samples:** Occupational health samples 53 personal. 2 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 12 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 12 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 8 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 72 inspection events and 864 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 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005
- **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 56.14130 — 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 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **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 56.14131 — Seat belts for haulage trucks.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14131
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12023 — Guarding electrical connections and resistor grids.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12023

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2022-09-15 through 2025-09-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1993-12-10 through 1993-12-10; source ID `msha-addresses`
- **Assessed Violations:** 89 rows; 2000-08-23 through 2026-04-28; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2011-06-06 through 2011-06-06; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 6 rows; 2010-12-01 through 2010-12-01; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,018 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 214 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1991-06-01 through 2000-09-15; source ID `msha-controller-operator-history`
- **Inspections:** 72 rows; 2000-08-23 through 2026-04-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 268 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 65 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:** 53 rows; 2001-01-25 through 2025-12-10; source ID `msha-personal-health-samples`
- **Violations:** 90 rows; 2000-08-23 through 2026-04-28; 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/okay-quarry-3401761`
- JSON: `/api/v1/mines/okay-quarry-3401761`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3401761/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3401761/relationships`
- MCP resource: `mine://3401761/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`