# Hayden Concentrator

- **MSHA mine ID:** 0200826
- **Status:** Active
- **Type / commodity:** Surface / Copper Ore NEC
- **Location:** Gila, AZ
- **Operator:** Asarco LLC
- **Controller:** Grupo Mexico S A B de C V
- **Public source rows linked:** 8,669
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Grupo Mexico S A B de C V (M13109) → Asarco LLC (L17191) → Hayden Concentrator (0200826)**

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

## Controller and operator valid-time history

- **Kennecott Copper Corp → Kennecott Minerals Company:** 1950-01-01 through 1981-06-03; derived from co-tenure at mine 0200826; source `msha-controller-operator-history`.
- **British Petroleum Company PLC → Kennecott Ray Mines Division:** 1981-06-04 through 1986-11-17; derived from co-tenure at mine 0200826; source `msha-controller-operator-history`.
- **Asarco Inc → Asarco Inc:** 1986-11-18 through 2003-03-24; derived from co-tenure at mine 0200826; source `msha-controller-operator-history`.
- **Grupo Mexico S A B de C V → Asarco LLC:** 2003-03-25 through current/open; derived from co-tenure at mine 0200826; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 12
- 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 — 7 since 2021:** Accidents and injuries 167 historical accident/injury rows; 0 coded fatalities and 4,296 lost days across the published record.
2. **COMPLIANCE — 145 since 2021:** Violations and penalties 1,348 violation rows across the full record; 383 carry an S&S flag and $1,404,969 appears in current assessed amounts.
3. **HEALTH — 130 samples:** Occupational health samples 124 personal; 6 area. 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 55K employee hours and 103 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 745 linked rows:** Contests, conferences and decisions 303 contested-violation rows, 304 civil-penalty docket/decision rows, and 138 conference records linked by issuance number.
6. **CONTRACTORS — 30 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 — 38 since 2021:** Inspections 193 inspection events and 7K 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 56.18002 — 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 56.12032 — 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 56.20003 — 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 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 56.9300 — 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 56.20014 — Prohibited areas for food and beverages.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20014
- **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 56.12004 — 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 56.4201 — 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 56.14112 — 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:** 167 rows; 2003-06-10 through 2026-09-01; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-08-10 through 2022-08-10; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 6 rows; 2013-02-05 through 2013-02-05; source ID `msha-area-samples`
- **Assessed Violations:** 1,342 rows; 2003-09-23 through 2026-04-09; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 304 rows; 2004-08-25 through 2026-01-09; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 138 rows; 2003-10-16 through 2023-02-07; source ID `msha-conferences`
- **Contested Violations:** 303 rows; 2008-03-04 through 2026-04-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 3,692 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 810 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2003-03-25; source ID `msha-controller-operator-history`
- **Inspections:** 193 rows; 2003-09-23 through 2026-09-16; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 188 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 48 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:** 124 rows; 2005-02-01 through 2026-04-08; source ID `msha-personal-health-samples`
- **Violations:** 1,348 rows; 2003-09-23 through 2026-04-09; 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/hayden-concentrator-0200826`
- JSON: `/api/v1/mines/hayden-concentrator-0200826`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0200826/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0200826/relationships`
- MCP resource: `mine://0200826/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`