# RAY MINE

- **MSHA mine ID:** 0200150
- **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:** 28,671
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Grupo Mexico S A B de C V (M13109) → Asarco LLC (L17191) → RAY MINE (0200150)**

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 1980-10-15; derived from co-tenure at mine 0200150; source `msha-controller-operator-history`.
- **British Petroleum Company PLC → Kennecott Ray Mines Division:** 1980-10-16 through 1986-11-17; derived from co-tenure at mine 0200150; source `msha-controller-operator-history`.
- **Asarco Inc → Asarco Inc:** 1986-11-18 through 1999-11-16; derived from co-tenure at mine 0200150; source `msha-controller-operator-history`.
- **Grupo Mexico S A B de C V → Asarco LLC:** 1999-11-17 through current/open; derived from co-tenure at mine 0200150; 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 — 74 since 2021:** Accidents and injuries 779 historical accident/injury rows; 4 coded fatalities and 15,122 lost days across the published record.
2. **COMPLIANCE — 449 since 2021:** Violations and penalties 2,781 violation rows across the full record; 672 carry an S&S flag and $1,925,995 appears in current assessed amounts.
3. **HEALTH — 177 samples:** Occupational health samples 177 personal. 8 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 307K employee hours and 592 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 932 linked rows:** Contests, conferences and decisions 325 contested-violation rows, 433 civil-penalty docket/decision rows, and 174 conference records linked by issuance number.
6. **CONTRACTORS — 127 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 — 100 since 2021:** Inspections 402 inspection events and 20K 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 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **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 62.130 — Permissible exposure level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **30 CFR 48.31 — Hazard training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.31
- **30 CFR 56.15006 — Protective equipment and clothing for hazards and irritants.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15006
- **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 56.3430 — Activity between machinery or equipment and the highwall or bank.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3430
- **30 CFR 56.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104
- **30 CFR 56.4400 — Use restrictions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4400
- **30 CFR 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001

## Source coverage

- **Accident, Injuries, and Illnesses:** 779 rows; 2000-01-13 through 2026-09-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1988-07-20 through 1988-07-20; source ID `msha-addresses`
- **Assessed Violations:** 2,721 rows; 2000-05-16 through 2026-09-03; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 433 rows; 2000-09-26 through 2026-09-09; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 174 rows; 2000-06-13 through 2026-03-02; source ID `msha-conferences`
- **Contested Violations:** 325 rows; 2004-01-13 through 2026-04-15; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 16,843 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 3,631 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 1999-11-17; source ID `msha-controller-operator-history`
- **Inspections:** 402 rows; 2000-01-18 through 2026-10-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 177 rows; 2002-06-26 through 2026-09-09; source ID `msha-personal-health-samples`
- **Violations:** 2,781 rows; 2000-05-16 through 2026-09-16; 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/ray-mine-0200150`
- JSON: `/api/v1/mines/ray-mine-0200150`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0200150/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0200150/relationships`
- MCP resource: `mine://0200150/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
