# Plant #3

- **MSHA mine ID:** 3503821
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Douglas, OR
- **Operator:** Aggregate Resource Crushing, LLC
- **Controller:** Aggregate Resource Industries Inc
- **Public source rows linked:** 214
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Aggregate Resource Industries Inc (0099913) → Aggregate Resource Crushing, LLC (0117994) → Plant #3 (3503821)**

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

## Controller and operator valid-time history

- **Aggregate Resource Industries Inc → Aggregate Resource Crushing, LLC:** 2014-10-29 through current/open; derived from co-tenure at mine 3503821; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 2 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 1 since 2021:** Violations and penalties 21 violation rows across the full record; 4 carry an S&S flag and $4,411 appears in current assessed amounts.
3. **HEALTH — 2 samples:** Occupational health samples 2 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 32 linked rows:** Contests, conferences and decisions 16 contested-violation rows, 16 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 — 6 since 2021:** Inspections 17 inspection events and 170 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 56.14100 — 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 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002
- **30 CFR 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **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 56.14110 — Flying or falling materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14110

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2021-11-12 through 2025-05-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-07-01 through 2026-07-01; source ID `msha-addresses`
- **Assessed Violations:** 21 rows; 2015-07-30 through 2025-11-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 16 rows; 2018-12-19 through 2020-05-20; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 16 rows; 2018-04-03 through 2019-10-30; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 2014-10-29 through 2014-10-29; source ID `msha-controller-operator-history`
- **Inspections:** 17 rows; 2015-07-30 through 2025-11-03; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 91 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 25 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:** 2 rows; 2019-09-05 through 2024-10-16; source ID `msha-personal-health-samples`
- **Violations:** 21 rows; 2015-07-30 through 2025-11-04; 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-3-3503821`
- JSON: `/api/v1/mines/plant-3-3503821`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3503821/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3503821/relationships`
- MCP resource: `mine://3503821/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`