# PORTABLE CRUSHER 2

- **MSHA mine ID:** 3503932
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Deschutes, OR
- **Operator:** TAYLOR NORTHWEST LLC
- **Controller:** Mathy Construction Company
- **Public source rows linked:** 47
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Mathy Construction Company (M00893) → TAYLOR NORTHWEST LLC (0117387) → PORTABLE CRUSHER 2 (3503932)**

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

## Controller and operator valid-time history

- **Lorri  Taylor et al → TAYLOR NORTHWEST LLC:** 2022-06-07 through 2019-10-30; derived from co-tenure at mine 3503932; source `msha-controller-operator-history`.
- **Todd  Taylor et al → TAYLOR NORTHWEST LLC:** 2022-06-07 through 2019-10-30; derived from co-tenure at mine 3503932; source `msha-controller-operator-history`.
- **Mathy Construction Company → TAYLOR NORTHWEST LLC:** 2022-06-07 through current/open; derived from co-tenure at mine 3503932; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 6
- Interval anomalies: 2
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 9 since 2021:** Violations and penalties 9 violation rows across the full record; 1 carry an S&S flag and $1,408 appears in current assessed amounts.
3. **HEALTH — 1 samples:** Occupational health samples 1 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 — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 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 — 4 since 2021:** Inspections 4 inspection events and 43 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.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.14206 — Securing movable parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14206
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **30 CFR 46.3 — Training plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3
- **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 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 46.11 — Site-specific hazard awareness training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.11

## Source coverage

- **Addresses of Record:** 1 rows; 2026-02-27 through 2026-02-27; source ID `msha-addresses`
- **Assessed Violations:** 9 rows; 2022-12-14 through 2024-10-29; source ID `msha-assessed-violations`
- **Controller and Operator History:** 3 rows; 2022-06-07 through 2022-06-07; source ID `msha-controller-operator-history`
- **Inspections:** 4 rows; 2022-12-14 through 2024-10-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 14 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 5 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:** 1 rows; 2024-05-21 through 2024-05-21; source ID `msha-personal-health-samples`
- **Violations:** 9 rows; 2022-12-14 through 2024-10-29; 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/portable-crusher-2-3503932`
- JSON: `/api/v1/mines/portable-crusher-2-3503932`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3503932/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3503932/relationships`
- MCP resource: `mine://3503932/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`