# Woodville Plant

- **MSHA mine ID:** 3300134
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Sandusky, OH
- **Operator:** Area Aggregates LLC
- **Controller:** Olen Corporation
- **Public source rows linked:** 2,079
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Olen Corporation (M04952) → Area Aggregates LLC (0095025) → Woodville Plant (3300134)**

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

## Controller and operator valid-time history

- **Dicalite Management Group LLC → Ohio Lime Company:** 1950-01-01 through 1979-03-31; derived from co-tenure at mine 3300134; source `msha-controller-operator-history`.
- **Steetley PLC → Steetley Quarry Products U S Inc:** 1979-04-01 through 1992-02-29; derived from co-tenure at mine 3300134; source `msha-controller-operator-history`.
- **Redland Plc → Redland Quarries Us Inc:** 1992-03-01 through 1998-02-10; derived from co-tenure at mine 3300134; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge Lime Ohio Inc:** 1998-02-11 through 2000-03-29; derived from co-tenure at mine 3300134; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → Millersville Lime Inc:** 2000-03-30 through 2001-12-31; derived from co-tenure at mine 3300134; source `msha-controller-operator-history`.
- **Lafarge SA → Millersville Lime Inc:** 2000-03-30 through 2001-12-31; derived from co-tenure at mine 3300134; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → Carmeuse Lime Inc:** 2002-01-01 through 2007-03-14; derived from co-tenure at mine 3300134; source `msha-controller-operator-history`.
- **Thomas  Bischoff et al → Woodville Enterprise, LLC.:** 2007-03-15 through 2008-09-22; derived from co-tenure at mine 3300134; source `msha-controller-operator-history`.
- **Olen Corporation → Area Aggregates LLC:** 2008-09-23 through current/open; derived from co-tenure at mine 3300134; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 25
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 3 since 2021:** Accidents and injuries 19 historical accident/injury rows; 0 coded fatalities and 546 lost days across the published record.
2. **COMPLIANCE — 30 since 2021:** Violations and penalties 181 violation rows across the full record; 41 carry an S&S flag and $22,186 appears in current assessed amounts.
3. **HEALTH — 61 samples:** Occupational health samples 61 personal. 2 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 15 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 5 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 14 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 — 16 since 2021:** Inspections 67 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 56.14100 — 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 56.12032 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **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 56.4201 — Inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.12034 — Guarding around lights.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12034
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 19 rows; 2000-09-21 through 2026-02-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-03-15 through 2007-03-15; source ID `msha-addresses`
- **Assessed Violations:** 181 rows; 2000-03-07 through 2026-07-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2011-07-19 through 2011-08-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2018-09-26 through 2018-09-26; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2009-11-19 through 2010-12-13; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,214 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 250 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 9 rows; 1950-01-01 through 2008-09-23; source ID `msha-controller-operator-history`
- **Inspections:** 67 rows; 2000-03-07 through 2026-07-08; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 27 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 63 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:** 61 rows; 2002-04-03 through 2026-02-19; source ID `msha-personal-health-samples`
- **Violations:** 181 rows; 2000-03-07 through 2026-07-08; 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/woodville-plant-3300134`
- JSON: `/api/v1/mines/woodville-plant-3300134`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3300134/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3300134/relationships`
- MCP resource: `mine://3300134/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`