# Bingham Canyon Mine

- **MSHA mine ID:** 4200149
- **Status:** Active
- **Type / commodity:** Surface / Copper Ore NEC
- **Location:** Salt Lake, UT
- **Operator:** Kennecott Utah Copper LLC
- **Controller:** Rio Tinto Group
- **Public source rows linked:** 18,039
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Rio Tinto Group (M01812) → Kennecott Utah Copper LLC (L11154) → Bingham Canyon Mine (4200149)**

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 4200149; source `msha-controller-operator-history`.
- **British Petroleum Company PLC → Kennecott Corp:** 1981-06-04 through 1989-06-29; derived from co-tenure at mine 4200149; source `msha-controller-operator-history`.
- **Rio Tinto Group → Kennecott Utah Copper LLC:** 1989-06-30 through current/open; derived from co-tenure at mine 4200149; 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 91 since 2021:** Accidents and injuries 344 historical accident/injury rows; 0 coded fatalities and 6,006 lost days across the published record.
2. **COMPLIANCE — 655 since 2021:** Violations and penalties 1,866 violation rows across the full record; 277 carry an S&S flag and $1,335,189 appears in current assessed amounts.
3. **HEALTH — 266 samples:** Occupational health samples 247 personal; 19 area. 4 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 418K employee hours and 800 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 180 linked rows:** Contests, conferences and decisions 72 contested-violation rows, 74 civil-penalty docket/decision rows, and 34 conference records linked by issuance number.
6. **CONTRACTORS — 80 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 — 45 since 2021:** Inspections 221 inspection events and 19K 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 56.12004 — 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 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.12021 — Danger signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12021
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 344 rows; 2000-01-14 through 2026-09-03; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1986-06-06 through 1986-06-06; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 19 rows; 2015-09-30 through 2025-08-15; source ID `msha-area-samples`
- **Assessed Violations:** 1,844 rows; 2000-01-13 through 2026-06-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 74 rows; 2002-08-23 through 2026-06-25; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 34 rows; 2000-03-21 through 2026-09-04; source ID `msha-conferences`
- **Contested Violations:** 72 rows; 2005-05-10 through 2025-12-21; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 10,998 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 2,237 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 1989-06-30; source ID `msha-controller-operator-history`
- **Inspections:** 221 rows; 2000-01-12 through 2026-10-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 247 rows; 2004-04-28 through 2026-06-17; source ID `msha-personal-health-samples`
- **Violations:** 1,866 rows; 2000-01-13 through 2026-06-23; 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/bingham-canyon-mine-4200149`
- JSON: `/api/v1/mines/bingham-canyon-mine-4200149`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4200149/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4200149/relationships`
- MCP resource: `mine://4200149/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`