# Findlay Plant

- **MSHA mine ID:** 3304121
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Hancock, OH
- **Operator:** The National Lime & Stone Company
- **Controller:** National Lime & Stone Co.
- **Public source rows linked:** 1,379
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**National Lime & Stone Co. (M00255) → The National Lime & Stone Company (L00317) → Findlay Plant (3304121)**

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

## Controller and operator valid-time history

- **National Lime & Stone Co. → The National Lime & Stone Company:** 1987-12-01 through current/open; derived from co-tenure at mine 3304121; 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 41 historical accident/injury rows; 0 coded fatalities and 819 lost days across the published record.
2. **COMPLIANCE — 23 since 2021:** Violations and penalties 116 violation rows across the full record; 21 carry an S&S flag and $15,799 appears in current assessed amounts.
3. **HEALTH — 131 samples:** Occupational health samples 131 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 4K employee hours and 7 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 5 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 26 since 2021:** Inspections 82 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 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 56.4201 — 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 56.20003 — 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 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 56.4130 — Electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4130
- **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 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.3401 — Examination of ground conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3401
- **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
- **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 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002

## Source coverage

- **Accident, Injuries, and Illnesses:** 41 rows; 2000-04-03 through 2025-10-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-05-09 through 2025-05-09; source ID `msha-addresses`
- **Assessed Violations:** 115 rows; 2000-02-28 through 2026-08-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2011-05-03 through 2011-05-03; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2021-11-18 through 2021-11-18; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2010-06-02 through 2010-06-02; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 391 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 97 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 1987-12-01 through 1987-12-01; source ID `msha-controller-operator-history`
- **Inspections:** 82 rows; 2000-02-28 through 2026-10-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 317 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 131 rows; 2001-02-22 through 2024-09-17; source ID `msha-personal-health-samples`
- **Violations:** 116 rows; 2000-02-28 through 2026-08-04; 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/findlay-plant-3304121`
- JSON: `/api/v1/mines/findlay-plant-3304121`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3304121/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3304121/relationships`
- MCP resource: `mine://3304121/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`