# Rinker Materials Des Moines Quarry

- **MSHA mine ID:** 2900194
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Union, NM
- **Operator:** Rinker Materials Western Inc.
- **Controller:** Cemex S A
- **Public source rows linked:** 142
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Cemex S A (M09149) → Rinker Materials Western Inc. (0051059) → Rinker Materials Des Moines Quarry (2900194)**

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

## Controller and operator valid-time history

- **Peter Kiewit Sons' Inc → Twin Mountain Rock Company:** 1950-01-01 through 2002-09-25; derived from co-tenure at mine 2900194; source `msha-controller-operator-history`.
- **CSR Ltd → Rinker Materials Western Inc.:** 2002-09-26 through 2003-03-31; derived from co-tenure at mine 2900194; source `msha-controller-operator-history`.
- **Rinker Group Ltd → Rinker Materials Western Inc.:** 2003-04-01 through 2007-07-09; derived from co-tenure at mine 2900194; source `msha-controller-operator-history`.
- **Cemex S A → Rinker Materials Western Inc.:** 2007-07-10 through current/open; derived from co-tenure at mine 2900194; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 10
- 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 7 historical accident/injury rows; 0 coded fatalities and 91 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 15 violation rows across the full record; 5 carry an S&S flag and $1,709 appears in current assessed amounts.
3. **HEALTH — 12 samples:** Occupational health samples 12 personal. 1 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 2K employee hours and 8 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 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 — 0 since 2021:** Inspections 17 inspection events and 283 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 56.14107 — Moving machine parts.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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.** (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 56.12001 — Circuit overload protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12001
- **30 CFR 56.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.5001 — Exposure limits for airborne contaminants.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2000-03-02 through 2005-02-12; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-08-08 through 2006-08-08; source ID `msha-addresses`
- **Assessed Violations:** 15 rows; 2000-07-06 through 2004-04-20; source ID `msha-assessed-violations`
- **Conferences:** 2 rows; 2000-08-22 through 2000-10-20; source ID `msha-conferences`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2002-09-26; source ID `msha-controller-operator-history`
- **Inspections:** 17 rows; 2000-03-15 through 2005-11-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 54 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 14 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:** 12 rows; 2000-07-12 through 2004-07-28; source ID `msha-personal-health-samples`
- **Violations:** 15 rows; 2000-07-06 through 2004-04-20; 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/rinker-materials-des-moines-quarry-2900194`
- JSON: `/api/v1/mines/rinker-materials-des-moines-quarry-2900194`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2900194/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2900194/relationships`
- MCP resource: `mine://2900194/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`