# Amrize Midlothian Plant

- **MSHA mine ID:** 4103307
- **Status:** Active
- **Type / commodity:** Facility / Cement
- **Location:** Ellis, TX
- **Operator:** Amrize Cement Inc.
- **Controller:** Amrize Ltd
- **Public source rows linked:** 8,222
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Amrize Ltd (0193740) → Amrize Cement Inc. (0051046) → Amrize Midlothian Plant (4103307)**

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

## Controller and operator valid-time history

- **Box Cement Company et al → Box-Crow Cement Company Lp:** 1985-04-01 through 1993-05-18; derived from co-tenure at mine 4103307; source `msha-controller-operator-history`.
- **Crow Holdings  et al → Holcim (Texas) LP:** 1993-05-19 through 2015-07-09; derived from co-tenure at mine 4103307; source `msha-controller-operator-history`.
- **Holcim Ltd et al → Holcim (Texas) LP:** 1993-05-19 through 2015-07-09; derived from co-tenure at mine 4103307; source `msha-controller-operator-history`.
- **Holcim Ltd → Holcim (Texas) LP:** 2015-07-10 through 2018-04-29; derived from co-tenure at mine 4103307; source `msha-controller-operator-history`.
- **Holcim Ltd → Amrize Cement Inc.:** 2018-04-30 through 2025-06-22; derived from co-tenure at mine 4103307; source `msha-controller-operator-history`.
- **Holcim Ltd → Amrize Cement Inc.:** 2018-04-30 through 2015-07-09; derived from co-tenure at mine 4103307; source `msha-controller-operator-history`.
- **Amrize Ltd → Amrize Cement Inc.:** 2025-06-23 through current/open; derived from co-tenure at mine 4103307; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 16
- Interval anomalies: 1
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 21 since 2021:** Accidents and injuries 228 historical accident/injury rows; 1 coded fatalities and 2,320 lost days across the published record.
2. **COMPLIANCE — 416 since 2021:** Violations and penalties 986 violation rows across the full record; 213 carry an S&S flag and $397,861 appears in current assessed amounts.
3. **HEALTH — 56 samples:** Occupational health samples 56 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 93K employee hours and 157 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 192 linked rows:** Contests, conferences and decisions 68 contested-violation rows, 70 civil-penalty docket/decision rows, and 54 conference records linked by issuance number.
6. **CONTRACTORS — 49 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 109 inspection events and 6K 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 56.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011
- **30 CFR 56.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104
- **30 CFR 56.16002 — Bins, hoppers, silos, tanks, and surge piles.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16002
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **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 56.20003 — 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 56.13021 — High-pressure hose connections.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13021
- **30 CFR 56.12032 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032

## Source coverage

- **Accident, Injuries, and Illnesses:** 228 rows; 2000-01-05 through 2026-08-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1985-04-24 through 1985-04-24; source ID `msha-addresses`
- **Assessed Violations:** 959 rows; 2000-02-10 through 2026-07-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 70 rows; 2003-02-27 through 2025-04-21; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 54 rows; 2000-11-24 through 2026-09-25; source ID `msha-conferences`
- **Contested Violations:** 68 rows; 2004-08-10 through 2024-09-05; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 4,474 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,117 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1985-04-01 through 2018-04-30; source ID `msha-controller-operator-history`
- **Inspections:** 109 rows; 2000-02-05 through 2026-10-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 35 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 57 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:** 56 rows; 2004-08-31 through 2026-03-31; source ID `msha-personal-health-samples`
- **Violations:** 986 rows; 2000-02-10 through 2026-07-08; 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/amrize-midlothian-plant-4103307`
- JSON: `/api/v1/mines/amrize-midlothian-plant-4103307`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4103307/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4103307/relationships`
- MCP resource: `mine://4103307/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`