# Plant 3

- **MSHA mine ID:** 1002036
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Clearwater, ID
- **Operator:** Western Construction of Lewiston,  Inc
- **Controller:** Case E  Stedham
- **Public source rows linked:** 452
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Case E  Stedham (0144021) → Western Construction of Lewiston,  Inc (0159813) → Plant 3 (1002036)**

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

## Controller and operator valid-time history

- **Ross  Triplett → Tripco, Inc:** 2003-02-07 through 2021-06-29; derived from co-tenure at mine 1002036; source `msha-controller-operator-history`.
- **Case E  Stedham → Tripco, Inc:** 2021-06-30 through 2022-03-31; derived from co-tenure at mine 1002036; source `msha-controller-operator-history`.
- **Case E  Stedham → Western Construction of Lewiston,  Inc:** 2022-04-01 through current/open; derived from co-tenure at mine 1002036; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 1 lost days across the published record.
2. **COMPLIANCE — 30 since 2021:** Violations and penalties 92 violation rows across the full record; 28 carry an S&S flag and $20,048 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 6 personal. 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 548 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 20 linked rows:** Contests, conferences and decisions 10 contested-violation rows, 10 civil-penalty docket/decision rows, and 0 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 — 9 since 2021:** Inspections 29 inspection events and 498 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 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.15001 — 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
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.1000 — Notification of commencement of operations and closing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **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 56.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2005-04-18 through 2005-04-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-02-23 through 2026-02-23; source ID `msha-addresses`
- **Assessed Violations:** 92 rows; 2003-06-26 through 2026-03-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 10 rows; 2011-12-19 through 2011-12-19; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 10 rows; 2009-09-16 through 2009-09-22; source ID `msha-contested-violations`
- **Controller and Operator History:** 3 rows; 2003-02-07 through 2022-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 29 rows; 2003-06-25 through 2026-03-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 171 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 36 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; 2003-06-26 through 2014-11-06; source ID `msha-personal-health-samples`
- **Violations:** 92 rows; 2003-06-26 through 2026-03-24; 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/plant-3-1002036`
- JSON: `/api/v1/mines/plant-3-1002036`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1002036/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1002036/relationships`
- MCP resource: `mine://1002036/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`