# Santa Ana

- **MSHA mine ID:** 2901634
- **Status:** Abandoned
- **Type / commodity:** Surface / Cement
- **Location:** Sandoval, NM
- **Operator:** CalMat Co
- **Controller:** Vulcan Materials Company
- **Public source rows linked:** 364
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Vulcan Materials Company (0071891) → CalMat Co (L16645) → Santa Ana (2901634)**

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

## Controller and operator valid-time history

- **Robert G  Morper → Albuquerque Materials Inc:** 1950-01-01 through 1989-03-31; derived from co-tenure at mine 2901634; source `msha-controller-operator-history`.
- **Redland Plc → Western Mobile New Mexico Inc:** 1989-04-01 through 1998-02-10; derived from co-tenure at mine 2901634; source `msha-controller-operator-history`.
- **Lafarge S A → Western Mobile New Mexico Inc:** 1998-02-11 through 2001-12-31; derived from co-tenure at mine 2901634; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge Southwest Inc.:** 2002-01-01 through 2014-08-28; derived from co-tenure at mine 2901634; source `msha-controller-operator-history`.
- **Vulcan Materials Company → CalMat Co:** 2014-08-29 through current/open; derived from co-tenure at mine 2901634; source `msha-controller-operator-history`.
- **Legacy Vulcan Corp (Form:Vulcan Materials Co) → CalMat Co:** 2014-08-29 through 2007-11-15; derived from co-tenure at mine 2901634; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 17
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 7 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 52 violation rows across the full record; 12 carry an S&S flag and $8,248 appears in current assessed amounts.
3. **HEALTH — 20 samples:** Occupational health samples 20 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 498 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 4 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 32 inspection events and 447 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 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **30 CFR 56.15003 — Protective footwear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15003
- **30 CFR 46.12 — Responsibility for independent contractor training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.12
- **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 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **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 56.12001 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2004-10-21 through 2008-08-01; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-02-23 through 2016-02-23; source ID `msha-addresses`
- **Assessed Violations:** 51 rows; 2001-01-02 through 2015-04-23; source ID `msha-assessed-violations`
- **Conferences:** 4 rows; 2004-10-06 through 2016-02-10; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 52 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 9 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1950-01-01 through 2014-08-29; source ID `msha-controller-operator-history`
- **Inspections:** 32 rows; 2000-02-15 through 2015-06-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 100 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 29 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:** 20 rows; 2004-08-19 through 2013-01-16; source ID `msha-personal-health-samples`
- **Violations:** 52 rows; 2001-01-02 through 2015-04-23; 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/santa-ana-2901634`
- JSON: `/api/v1/mines/santa-ana-2901634`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2901634/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2901634/relationships`
- MCP resource: `mine://2901634/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`