# Mission Pit

- **MSHA mine ID:** 3502986
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Umatilla, OR
- **Operator:** American Rock Products Inc
- **Controller:** CRH PLC
- **Public source rows linked:** 520
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → American Rock Products Inc (L09692) → Mission Pit (3502986)**

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

## Controller and operator valid-time history

- **A J  Urbanek → Rogers Construction Inc:** 1980-01-01 through 1981-01-31; derived from co-tenure at mine 3502986; source `msha-controller-operator-history`.
- **Lawrence  Boltz et al → Pendleton Ready Mix Company:** 1981-02-01 through 1987-05-14; derived from co-tenure at mine 3502986; source `msha-controller-operator-history`.
- **Jayne L  Clarke et al → Pendleton Ready Mix Inc:** 1987-05-15 through 2019-05-30; derived from co-tenure at mine 3502986; source `msha-controller-operator-history`.
- **Terry L  Clarke et al → Pendleton Ready Mix Inc:** 1987-05-15 through 2019-05-30; derived from co-tenure at mine 3502986; source `msha-controller-operator-history`.
- **CRH PLC → American Rock Products Inc:** 2019-05-31 through current/open; derived from co-tenure at mine 3502986; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 13
- 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 2 historical accident/injury rows; 0 coded fatalities and 4 lost days across the published record.
2. **COMPLIANCE — 15 since 2021:** Violations and penalties 80 violation rows across the full record; 10 carry an S&S flag and $11,772 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 5 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 582 employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 34 linked rows:** Contests, conferences and decisions 13 contested-violation rows, 14 civil-penalty docket/decision rows, and 7 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 — 10 since 2021:** Inspections 47 inspection events and 627 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 56.14107 — 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 46.8 — Annual refresher training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8
- **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
- **30 CFR 56.3130 — Wall, bank, and slope stability.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3130
- **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 56.9100 — Traffic control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9100
- **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 56.14132 — 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 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2006-08-08 through 2010-06-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-02-03 through 2025-02-03; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 1 rows; 2026-09-22 through 2026-09-22; source ID `msha-area-samples`
- **Assessed Violations:** 80 rows; 2000-07-26 through 2024-07-09; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 14 rows; 2002-11-14 through 2024-10-16; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 7 rows; 2003-03-14 through 2019-12-13; source ID `msha-conferences`
- **Contested Violations:** 13 rows; 2009-12-21 through 2024-02-23; source ID `msha-contested-violations`
- **Controller and Operator History:** 5 rows; 1980-01-01 through 2019-05-31; source ID `msha-controller-operator-history`
- **Inspections:** 47 rows; 2000-07-26 through 2026-09-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 210 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:** 5 rows; 2009-12-22 through 2026-09-22; source ID `msha-personal-health-samples`
- **Violations:** 80 rows; 2000-07-26 through 2024-07-09; 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/mission-pit-3502986`
- JSON: `/api/v1/mines/mission-pit-3502986`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3502986/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3502986/relationships`
- MCP resource: `mine://3502986/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`