# Owensville Plant

- **MSHA mine ID:** 2301038
- **Status:** Active
- **Type / commodity:** Surface / Clay, Ceramic, Refractory Mnls.
- **Location:** Gasconade, MO
- **Operator:** Continental Cement Company LLC
- **Controller:** Quikrete Holdings Inc.
- **Public source rows linked:** 352
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Quikrete Holdings Inc. (M12812) → Continental Cement Company LLC (L14647) → Owensville Plant (2301038)**

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

## Controller and operator valid-time history

- **Allied-Signal Inc → General Chemical Corp:** 1950-01-01 through 1993-10-16; derived from co-tenure at mine 2301038; source `msha-controller-operator-history`.
- **Scancem Ans & Material Service Corp → Continental Cement Company Inc:** 1993-10-17 through 1996-06-20; derived from co-tenure at mine 2301038; source `msha-controller-operator-history`.
- **Continental Cement Holding Company → Continental Cement Company LLC:** 1996-06-21 through 2011-05-30; derived from co-tenure at mine 2301038; source `msha-controller-operator-history`.
- **Summit Materials LLC → Continental Cement Company LLC:** 2011-05-31 through 2025-02-09; derived from co-tenure at mine 2301038; source `msha-controller-operator-history`.
- **Quikrete Holdings Inc. → Continental Cement Company LLC:** 2025-02-10 through current/open; derived from co-tenure at mine 2301038; 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 — 0 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 10 since 2021:** Violations and penalties 56 violation rows across the full record; 4 carry an S&S flag and $6,028 appears in current assessed amounts.
3. **HEALTH — 23 samples:** Occupational health samples 23 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 4K employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 18 since 2021:** Inspections 75 inspection events and 842 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 56.23003 — Requirements for written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23003
- **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 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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
- **30 CFR 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **30 CFR 56.4130 — Electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4130
- **30 CFR 41.11 — Notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.11
- **30 CFR 41.12 — Changes; notification by operator.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **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 56.14132 — 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 56.16005 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2001-05-17 through 2006-05-30; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1994-04-29 through 1994-04-29; source ID `msha-addresses`
- **Assessed Violations:** 56 rows; 2004-02-24 through 2026-07-22; source ID `msha-assessed-violations`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 1996-06-21; source ID `msha-controller-operator-history`
- **Inspections:** 75 rows; 2000-01-19 through 2026-07-20; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 106 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 27 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:** 23 rows; 2004-09-29 through 2025-06-26; source ID `msha-personal-health-samples`
- **Violations:** 56 rows; 2004-02-24 through 2026-07-22; 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/owensville-plant-2301038`
- JSON: `/api/v1/mines/owensville-plant-2301038`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2301038/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2301038/relationships`
- MCP resource: `mine://2301038/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
