# Arizona #1

- **MSHA mine ID:** 0202443
- **Status:** Abandoned
- **Type / commodity:** Underground / Uranium Ore
- **Location:** Coconino, AZ
- **Operator:** EFR Arizona Strip LLC
- **Controller:** Energy Fuels Inc
- **Public source rows linked:** 487
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Energy Fuels Inc (0175160) → EFR Arizona Strip LLC (0200614) → Arizona #1 (0202443)**

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

## Controller and operator valid-time history

- **Harold  Roberts → Energy Fuels Nuclear Inc:** 1988-07-01 through 2007-08-31; derived from co-tenure at mine 0202443; source `msha-controller-operator-history`.
- **Deilmann-Haniel → J.S. Redpath Corporation:** 2007-09-01 through 2009-01-13; derived from co-tenure at mine 0202443; source `msha-controller-operator-history`.
- **James S  Redpath → J.S. Redpath Corporation:** 2007-09-01 through 2007-08-31; derived from co-tenure at mine 0202443; source `msha-controller-operator-history`.
- **International Uranium Corp → Energy Fuels Resources (USA) Inc.:** 2009-01-14 through 2023-02-12; derived from co-tenure at mine 0202443; source `msha-controller-operator-history`.
- **Energy Fuels Inc → Energy Fuels Resources (USA) Inc.:** 2023-02-13 through 2025-02-09; derived from co-tenure at mine 0202443; source `msha-controller-operator-history`.
- **Energy Fuels Inc → EFR Arizona Strip LLC:** 2025-02-10 through current/open; derived from co-tenure at mine 0202443; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 16
- 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 8 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 119 violation rows across the full record; 19 carry an S&S flag and $41,860 appears in current assessed amounts.
3. **HEALTH — 12 samples:** Occupational health samples 6 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 688 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 40 linked rows:** Contests, conferences and decisions 17 contested-violation rows, 17 civil-penalty docket/decision rows, and 6 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 27 inspection events and 1K 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 57.19023 — Examinations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-R/section-57.19023
- **30 CFR 57.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14100
- **30 CFR 57.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14101
- **30 CFR 57.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12032
- **30 CFR 57.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-Q/section-57.18002
- **30 CFR 57.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12004
- **30 CFR 57.4460 — Storage of flammable liquids underground.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4460
- **30 CFR 57.3200 — Correction of hazardous conditions.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3200
- **30 CFR 49.6 — Equipment and maintenance requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-49/subpart-A/section-49.6
- **30 CFR 57.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12018

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2007-10-21 through 2013-01-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2015-04-30 through 2015-04-30; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 6 rows; 2010-06-09 through 2010-06-09; source ID `msha-area-samples`
- **Assessed Violations:** 118 rows; 2007-10-24 through 2015-02-12; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 17 rows; 2010-06-23 through 2012-02-16; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 6 rows; 2010-11-29 through 2011-11-22; source ID `msha-conferences`
- **Contested Violations:** 17 rows; 2009-06-22 through 2010-11-18; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 43 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 7 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1988-07-01 through 2025-02-10; source ID `msha-controller-operator-history`
- **Inspections:** 27 rows; 2007-10-22 through 2015-02-10; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 83 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 22 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:** 6 rows; 2010-06-09 through 2010-09-15; source ID `msha-personal-health-samples`
- **Violations:** 119 rows; 2007-10-24 through 2015-02-12; 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/arizona-1-0202443`
- JSON: `/api/v1/mines/arizona-1-0202443`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0202443/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0202443/relationships`
- MCP resource: `mine://0202443/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
