# Quincy WA Mine

- **MSHA mine ID:** 4503480
- **Status:** Active
- **Type / commodity:** Surface / Diatomaceous Earth (Diatomite)
- **Location:** Grant, WA
- **Operator:** Imerys Filtration Minerals, Inc.
- **Controller:** Imerys S A
- **Public source rows linked:** 1,253
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Imerys S A (M11763) → Imerys Filtration Minerals, Inc. (L12218) → Quincy WA Mine (4503480)**

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

## Controller and operator valid-time history

- **Alleghany Corp → Imerys Filtration Minerals, Inc.:** 2001-05-01 through 2005-07-14; derived from co-tenure at mine 4503480; source `msha-controller-operator-history`.
- **Imerys S A → Imerys Filtration Minerals, Inc.:** 2005-07-15 through current/open; derived from co-tenure at mine 4503480; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- 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 — 3 since 2021:** Accidents and injuries 33 historical accident/injury rows; 0 coded fatalities and 301 lost days across the published record.
2. **COMPLIANCE — 8 since 2021:** Violations and penalties 83 violation rows across the full record; 23 carry an S&S flag and $30,601 appears in current assessed amounts.
3. **HEALTH — 41 samples:** Occupational health samples 41 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 7K employee hours and 11 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 14 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 12 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 15 since 2021:** Inspections 78 inspection events and 1K 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 62.120 — Action level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **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 48.25 — Training of new miners; minimum courses of instruction; hours of instruction.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.25
- **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 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **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 56.12004 — Electrical conductors.** (1 retained recent row) — 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.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 40.4 — Posting at mine.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-40/section-40.4
- **30 CFR 56.4102 — Spillage and leakage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4102
- **30 CFR 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30

## Source coverage

- **Accident, Injuries, and Illnesses:** 33 rows; 2001-10-04 through 2025-10-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2002-05-23 through 2002-05-23; source ID `msha-addresses`
- **Assessed Violations:** 80 rows; 2001-08-07 through 2026-05-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2013-07-12 through 2013-07-12; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 12 rows; 2009-08-27 through 2017-07-20; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2011-07-21 through 2011-07-21; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 591 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 81 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2001-05-01 through 2001-05-01; source ID `msha-controller-operator-history`
- **Inspections:** 78 rows; 2001-08-07 through 2026-05-18; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 197 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 51 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:** 41 rows; 2002-11-14 through 2026-05-19; source ID `msha-personal-health-samples`
- **Violations:** 83 rows; 2001-08-07 through 2026-05-20; 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/quincy-wa-mine-4503480`
- JSON: `/api/v1/mines/quincy-wa-mine-4503480`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4503480/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4503480/relationships`
- MCP resource: `mine://4503480/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`