# El Paso Plant

- **MSHA mine ID:** 4102978
- **Status:** Abandoned
- **Type / commodity:** Facility / Manganese Ore
- **Location:** El Paso, TX
- **Operator:** American Minerals Inc
- **Controller:** Prince Mineral Company Incorporated
- **Public source rows linked:** 167
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Prince Mineral Company Incorporated (0049071) → American Minerals Inc (0059237) → El Paso Plant (4102978)**

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

## Controller and operator valid-time history

- **American Premier Inc → American Minerals Inc:** 1980-02-01 through 1998-01-28; derived from co-tenure at mine 4102978; source `msha-controller-operator-history`.
- **Imerys S A → American Minerals Inc:** 1998-01-29 through 2006-01-16; derived from co-tenure at mine 4102978; source `msha-controller-operator-history`.
- **Prince Mineral Company Incorporated → American Minerals Inc:** 2006-01-17 through current/open; derived from co-tenure at mine 4102978; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 146 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 37 violation rows across the full record; 9 carry an S&S flag and $3,272 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 2K employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 1 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 19 inspection events and 274 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 56.14103 — Operators stations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14103
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **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 56.12032 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011
- **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 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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; 2001-04-26 through 2004-06-30; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-05-31 through 2006-05-31; source ID `msha-addresses`
- **Assessed Violations:** 37 rows; 2002-07-30 through 2006-01-04; source ID `msha-assessed-violations`
- **Conferences:** 1 rows; 2006-02-02 through 2006-02-02; source ID `msha-conferences`
- **Controller and Operator History:** 3 rows; 1980-02-01 through 2006-01-17; source ID `msha-controller-operator-history`
- **Inspections:** 19 rows; 2000-01-19 through 2006-01-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 50 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 13 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 37 rows; 2002-07-30 through 2006-01-04; 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/el-paso-plant-4102978`
- JSON: `/api/v1/mines/el-paso-plant-4102978`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4102978/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4102978/relationships`
- MCP resource: `mine://4102978/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`