# Texas Materials Hergotz Plant

- **MSHA mine ID:** 4104441
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Travis, TX
- **Operator:** Texas Materials Group, Inc
- **Controller:** CRH PLC
- **Public source rows linked:** 528
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**CRH PLC (M06183) → Texas Materials Group, Inc (L16618) → Texas Materials Hergotz Plant (4104441)**

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

## Controller and operator valid-time history

- **Aaron  Cabaza  et al → Austin Reclaimed Materials LP:** 2003-09-17 through 2011-02-01; derived from co-tenure at mine 4104441; source `msha-controller-operator-history`.
- **Marcelo  Vera  et al → Austin Reclaimed Materials LP:** 2003-09-17 through 2011-02-01; derived from co-tenure at mine 4104441; source `msha-controller-operator-history`.
- **Ashland Inc → APAC Texas, Inc.:** 2011-02-02 through 2006-08-27; derived from co-tenure at mine 4104441; source `msha-controller-operator-history`.
- **CRH PLC → APAC Texas, Inc.:** 2011-02-02 through 2017-03-12; derived from co-tenure at mine 4104441; source `msha-controller-operator-history`.
- **CRH PLC → Oldcastle Materials Texas:** 2017-03-13 through 2018-11-07; derived from co-tenure at mine 4104441; source `msha-controller-operator-history`.
- **Ashland Inc → Texas Materials Group, Inc:** 2018-11-08 through 2006-08-27; derived from co-tenure at mine 4104441; source `msha-controller-operator-history`.
- **CRH PLC → Texas Materials Group, Inc:** 2018-11-08 through current/open; derived from co-tenure at mine 4104441; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 15
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 1 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 45 lost days across the published record.
2. **COMPLIANCE — 24 since 2021:** Violations and penalties 166 violation rows across the full record; 39 carry an S&S flag and $50,373 appears in current assessed amounts.
3. **HEALTH — 15 samples:** Occupational health samples 15 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 9 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 75 inspection events and 825 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 56.14101 — 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 56.12004 — Electrical conductors.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (3 retained recent rows) — 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 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 46.3 — Training plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3
- **30 CFR 46.5 — New miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.5

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2012-06-28 through 2023-10-04; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2003-09-17 through 2003-09-17; source ID `msha-addresses`
- **Assessed Violations:** 165 rows; 2004-03-09 through 2026-08-13; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2014-08-21 through 2023-06-30; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2023-02-21 through 2023-02-21; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2013-11-05 through 2022-08-24; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 32 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 7 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 2003-09-17 through 2018-11-08; source ID `msha-controller-operator-history`
- **Inspections:** 75 rows; 2004-03-09 through 2026-08-13; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 48 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:** 15 rows; 2005-08-09 through 2025-06-17; source ID `msha-personal-health-samples`
- **Violations:** 166 rows; 2004-03-09 through 2026-08-13; 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/texas-materials-hergotz-plant-4104441`
- JSON: `/api/v1/mines/texas-materials-hergotz-plant-4104441`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104441/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104441/relationships`
- MCP resource: `mine://4104441/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`