# METRO PORTABLE #5

- **MSHA mine ID:** 3502382
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Traprock
- **Location:** Clackamas, OR
- **Operator:** Knife River Corporation-Northwest
- **Controller:** Knife River Corporation
- **Public source rows linked:** 726
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Knife River Corporation (0176802) → Knife River Corporation-Northwest (L16679) → METRO PORTABLE #5 (3502382)**

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

## Controller and operator valid-time history

- **George W  Forman → Elte Construction Company:** 1950-01-01 through 1979-01-31; derived from co-tenure at mine 3502382; source `msha-controller-operator-history`.
- **Leo  Casey → Continental Crushing & Leasing:** 1979-02-01 through 1979-04-30; derived from co-tenure at mine 3502382; source `msha-controller-operator-history`.
- **Don  Obrist → Don Obrist Inc:** 1979-05-01 through 1986-07-09; derived from co-tenure at mine 3502382; source `msha-controller-operator-history`.
- **Glenn  Nelson → Portland East Corp:** 1986-07-10 through 1988-02-21; derived from co-tenure at mine 3502382; source `msha-controller-operator-history`.
- **James C  Turin → Jim Turin & Sons Inc:** 1988-02-22 through 2013-12-19; derived from co-tenure at mine 3502382; source `msha-controller-operator-history`.
- **Daniel J  Turin et al → Jim Turin & Sons Inc:** 2013-12-20 through 2021-03-31; derived from co-tenure at mine 3502382; source `msha-controller-operator-history`.
- **Dennis P  Turin et al → Jim Turin & Sons Inc:** 2013-12-20 through 2021-03-31; derived from co-tenure at mine 3502382; source `msha-controller-operator-history`.
- **MDU Resources Group Inc → Knife River Corporation-Northwest:** 2021-04-01 through 2023-05-31; derived from co-tenure at mine 3502382; source `msha-controller-operator-history`.
- **Knife River Corporation → Knife River Corporation-Northwest:** 2023-06-01 through current/open; derived from co-tenure at mine 3502382; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 23
- 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 — 1 since 2021:** Accidents and injuries 8 historical accident/injury rows; 0 coded fatalities and 489 lost days across the published record.
2. **COMPLIANCE — 23 since 2021:** Violations and penalties 157 violation rows across the full record; 40 carry an S&S flag and $55,839 appears in current assessed amounts.
3. **HEALTH — 17 samples:** Occupational health samples 16 personal; 1 area. 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 62 linked rows:** Contests, conferences and decisions 23 contested-violation rows, 23 civil-penalty docket/decision rows, and 16 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 — 8 since 2021:** Inspections 68 inspection events and 992 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 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **30 CFR 56.18002 — Examination of working places.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2001-07-10 through 2021-03-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-07-31 through 2024-07-31; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 1 rows; 2014-10-10 through 2014-10-10; source ID `msha-area-samples`
- **Assessed Violations:** 157 rows; 2000-09-12 through 2022-08-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 23 rows; 2005-09-19 through 2022-01-05; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 16 rows; 2006-01-13 through 2021-08-22; source ID `msha-conferences`
- **Contested Violations:** 23 rows; 2005-04-19 through 2021-05-05; source ID `msha-contested-violations`
- **Controller and Operator History:** 9 rows; 1950-01-01 through 2021-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 68 rows; 2000-09-11 through 2023-03-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 198 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:** 16 rows; 2005-04-20 through 2020-07-30; source ID `msha-personal-health-samples`
- **Violations:** 157 rows; 2000-09-12 through 2022-08-23; 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/metro-portable-5-3502382`
- JSON: `/api/v1/mines/metro-portable-5-3502382`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3502382/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3502382/relationships`
- MCP resource: `mine://3502382/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`