# Maysville Kiln Plant

- **MSHA mine ID:** 1509740
- **Status:** Abandoned
- **Type / commodity:** Facility / Lime
- **Location:** Mason, KY
- **Operator:** Carmeuse Lime & Stone Inc
- **Controller:** Carmeuse Holding SA
- **Public source rows linked:** 5,396
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Carmeuse Holding SA (M10266) → Carmeuse Lime & Stone Inc (0050945) → Maysville Kiln Plant (1509740)**

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

## Controller and operator valid-time history

- **Dravo Corp → Dravo Lime Company:** 1950-01-01 through 1998-10-25; derived from co-tenure at mine 1509740; source `msha-controller-operator-history`.
- **Lafarge SA → DRAVO LIME CO:** 1998-10-26 through 2002-06-19; derived from co-tenure at mine 1509740; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → DRAVO LIME CO:** 1998-10-26 through 2002-06-19; derived from co-tenure at mine 1509740; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → CARMEUSE LIME, INC.:** 2002-06-20 through 2003-03-16; derived from co-tenure at mine 1509740; source `msha-controller-operator-history`.
- **Lafarge SA → Carmeuse Lime & Stone Inc:** 2003-03-17 through 2015-07-14; derived from co-tenure at mine 1509740; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → Carmeuse Lime & Stone Inc:** 2003-03-17 through 2015-07-14; derived from co-tenure at mine 1509740; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → Carmeuse Lime & Stone Inc:** 2015-07-15 through current/open; derived from co-tenure at mine 1509740; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 16
- 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 50 historical accident/injury rows; 0 coded fatalities and 289 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 772 violation rows across the full record; 225 carry an S&S flag and $253,073 appears in current assessed amounts.
3. **HEALTH — 72 samples:** Occupational health samples 72 personal. 3 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 36K employee hours and 68 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 45 linked rows:** Contests, conferences and decisions 13 contested-violation rows, 13 civil-penalty docket/decision rows, and 19 conference records linked by issuance number.
6. **CONTRACTORS — 34 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 — 0 since 2021:** Inspections 130 inspection events and 5K 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 57.14105 — Procedures during repairs or maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14105
- **30 CFR 57.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12018
- **30 CFR 57.13021 — High-pressure hose connections.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-L/section-57.13021
- **30 CFR 57.4601 — Oxygen cylinder storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4601
- **30 CFR 48.28 — Annual refresher training of 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-48.28
- **30 CFR 57.4603 — Closure of valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4603
- **30 CFR 57.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12004
- **30 CFR 57.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14101
- **30 CFR 57.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12008
- **30 CFR 57.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14107

## Source coverage

- **Accident, Injuries, and Illnesses:** 50 rows; 2000-02-28 through 2018-09-07; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2018-10-01 through 2018-10-01; source ID `msha-addresses`
- **Assessed Violations:** 764 rows; 2000-02-29 through 2018-07-19; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 13 rows; 2009-02-19 through 2018-06-15; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 19 rows; 2005-06-27 through 2018-07-20; source ID `msha-conferences`
- **Contested Violations:** 13 rows; 2007-10-16 through 2017-02-02; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,774 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 592 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2003-03-17; source ID `msha-controller-operator-history`
- **Inspections:** 130 rows; 2000-02-29 through 2018-09-12; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 150 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 38 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:** 72 rows; 2002-04-23 through 2018-07-17; source ID `msha-personal-health-samples`
- **Violations:** 772 rows; 2000-02-29 through 2018-07-19; 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/maysville-kiln-plant-1509740`
- JSON: `/api/v1/mines/maysville-kiln-plant-1509740`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1509740/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1509740/relationships`
- MCP resource: `mine://1509740/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
