# Tri County Materials

- **MSHA mine ID:** 4104617
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Denton, TX
- **Operator:** Tri County Materials and Service LP
- **Controller:** Russ  Williams
- **Public source rows linked:** 604
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Russ  Williams (0062669) → Tri County Materials and Service LP (0074683) → Tri County Materials (4104617)**

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

## Controller and operator valid-time history

- **Russ  Williams et al → Tri County Materials and Service LP:** 2006-08-15 through current/open; derived from co-tenure at mine 4104617; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 6 historical accident/injury rows; 0 coded fatalities and 117 lost days across the published record.
2. **COMPLIANCE — 49 since 2021:** Violations and penalties 152 violation rows across the full record; 30 carry an S&S flag and $56,779 appears in current assessed amounts.
3. **HEALTH — 11 samples:** Occupational health samples 11 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 5K employee hours and 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 38 linked rows:** Contests, conferences and decisions 18 contested-violation rows, 18 civil-penalty docket/decision rows, and 2 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 — 16 since 2021:** Inspections 52 inspection events and 686 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 56.14100 — 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 56.14107 — 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 56.14132 — 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 47.41 — Requirement for container labels.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.4230 — Self-propelled equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4230
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.4603 — Closure of valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4603
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2012-07-16 through 2016-12-27; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-08-15 through 2006-08-15; source ID `msha-addresses`
- **Assessed Violations:** 151 rows; 2007-02-28 through 2026-06-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 18 rows; 2014-04-24 through 2015-11-09; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2007-03-27 through 2007-03-27; source ID `msha-conferences`
- **Contested Violations:** 18 rows; 2013-08-19 through 2015-03-10; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 2006-08-15 through 2006-08-15; source ID `msha-controller-operator-history`
- **Inspections:** 52 rows; 2006-09-21 through 2026-09-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 151 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 40 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:** 11 rows; 2009-07-08 through 2026-09-30; source ID `msha-personal-health-samples`
- **Violations:** 152 rows; 2007-02-28 through 2026-06-02; 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/tri-county-materials-4104617`
- JSON: `/api/v1/mines/tri-county-materials-4104617`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104617/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104617/relationships`
- MCP resource: `mine://4104617/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`