# Tulsa Plant

- **MSHA mine ID:** 3400026
- **Status:** Active
- **Type / commodity:** Facility / Cement
- **Location:** Rogers, OK
- **Operator:** Central Plains Cement Co.
- **Controller:** Eagle Materials Inc
- **Public source rows linked:** 6,876
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Eagle Materials Inc (M00946) → Central Plains Cement Co. (0127193) → Tulsa Plant (3400026)**

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

## Controller and operator valid-time history

- **Martin Marietta Materials Inc → Martin Marietta Cement:** 1950-01-01 through 1983-05-17; derived from co-tenure at mine 3400026; source `msha-controller-operator-history`.
- **Blue Circle Industries Plc → Blue Circle Inc:** 1983-05-18 through 2001-07-11; derived from co-tenure at mine 3400026; source `msha-controller-operator-history`.
- **Lafarge S A → LaFarge Building Materials Incorporated:** 2001-07-12 through 2008-04-18; derived from co-tenure at mine 3400026; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge North America:** 2008-04-19 through 2012-11-29; derived from co-tenure at mine 3400026; source `msha-controller-operator-history`.
- **Eagle Materials Inc → Central Plains Cement Co.:** 2012-11-30 through current/open; derived from co-tenure at mine 3400026; source `msha-controller-operator-history`.
- **Holcim Ltd → LaFarge Building Materials Incorporated:** 2015-07-10 through 2008-04-18; derived from co-tenure at mine 3400026; source `msha-controller-operator-history`.
- **Holcim Ltd → Lafarge North America:** 2015-07-10 through 2012-11-29; derived from co-tenure at mine 3400026; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 17
- Interval anomalies: 2
- 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 — 20 since 2021:** Accidents and injuries 213 historical accident/injury rows; 0 coded fatalities and 2,246 lost days across the published record.
2. **COMPLIANCE — 342 since 2021:** Violations and penalties 1,152 violation rows across the full record; 284 carry an S&S flag and $906,976 appears in current assessed amounts.
3. **HEALTH — 105 samples:** Occupational health samples 105 personal. 12 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 70K employee hours and 121 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 221 linked rows:** Contests, conferences and decisions 104 contested-violation rows, 104 civil-penalty docket/decision rows, and 13 conference records linked by issuance number.
6. **CONTRACTORS — 31 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 — 24 since 2021:** Inspections 124 inspection events and 5K 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 56.3200 — 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 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **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 56.12004 — 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 56.14107 — 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 56.14201 — 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 56.12021 — Danger signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12021
- **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.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.4102 — Spillage and leakage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4102

## Source coverage

- **Accident, Injuries, and Illnesses:** 213 rows; 2000-01-12 through 2025-11-13; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2005-03-03 through 2005-03-03; source ID `msha-addresses`
- **Assessed Violations:** 1,147 rows; 2000-02-16 through 2026-04-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 104 rows; 2007-04-11 through 2026-04-22; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 13 rows; 2006-08-28 through 2017-04-28; source ID `msha-conferences`
- **Contested Violations:** 104 rows; 2006-09-07 through 2026-04-27; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,843 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 663 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2012-11-30; source ID `msha-controller-operator-history`
- **Inspections:** 124 rows; 2000-02-15 through 2026-04-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 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:** 105 rows; 2001-04-10 through 2025-04-15; source ID `msha-personal-health-samples`
- **Violations:** 1,152 rows; 2000-02-16 through 2026-04-29; 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/tulsa-plant-3400026`
- JSON: `/api/v1/mines/tulsa-plant-3400026`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3400026/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3400026/relationships`
- MCP resource: `mine://3400026/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`