# RTI Materials

- **MSHA mine ID:** 4104426
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Williamson, TX
- **Operator:** RTI Materials
- **Controller:** John D  Ramming
- **Public source rows linked:** 441
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**John D  Ramming (0043645) → RTI Materials (0052795) → RTI Materials (4104426)**

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

## Controller and operator valid-time history

- **Priscilla  Yearwood → Hwy 195 Crushed Stone Inc.:** 2003-05-29 through 2004-05-02; derived from co-tenure at mine 4104426; source `msha-controller-operator-history`.
- **John D  Ramming → RTI Materials:** 2004-05-03 through current/open; derived from co-tenure at mine 4104426; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 5 historical accident/injury rows; 0 coded fatalities and 278 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 68 violation rows across the full record; 17 carry an S&S flag and $31,292 appears in current assessed amounts.
3. **HEALTH — 5 samples:** Occupational health samples 5 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 28 linked rows:** Contests, conferences and decisions 13 contested-violation rows, 13 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 0 since 2021:** Inspections 35 inspection events and 357 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 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **30 CFR 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **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 56.14107 — Moving machine parts.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.20003 — Housekeeping.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2004-06-22 through 2008-07-14; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-11-04 through 2011-11-04; source ID `msha-addresses`
- **Assessed Violations:** 67 rows; 2004-02-18 through 2011-05-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 13 rows; 2010-08-16 through 2011-08-04; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2004-05-20 through 2004-11-02; source ID `msha-conferences`
- **Contested Violations:** 13 rows; 2009-06-24 through 2010-12-28; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 93 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 23 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2003-05-29 through 2004-05-03; source ID `msha-controller-operator-history`
- **Inspections:** 35 rows; 2004-02-18 through 2011-11-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 94 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 19 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:** 5 rows; 2006-06-08 through 2006-06-08; source ID `msha-personal-health-samples`
- **Violations:** 68 rows; 2004-02-18 through 2011-05-24; 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/rti-materials-4104426`
- JSON: `/api/v1/mines/rti-materials-4104426`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104426/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104426/relationships`
- MCP resource: `mine://4104426/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`