# ST CHARLES PLANT

- **MSHA mine ID:** 2300196
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** St Charles, MO
- **Operator:** Lafarge Aggregates Illinois, Inc.
- **Controller:** Amrize Ltd
- **Public source rows linked:** 1,037
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Amrize Ltd (0193740) → Lafarge Aggregates Illinois, Inc. (0107425) → ST CHARLES PLANT (2300196)**

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

## Controller and operator valid-time history

- **Edwin A  Kurtz → St Charles Quarry Company:** 1950-01-01 through 1986-12-31; derived from co-tenure at mine 2300196; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge Construction Materials:** 1987-01-01 through 2001-09-16; derived from co-tenure at mine 2300196; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge North America Inc.:** 2001-09-17 through 2013-01-08; derived from co-tenure at mine 2300196; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge Aggregates Illinois, Inc.:** 2013-01-09 through 2015-07-09; derived from co-tenure at mine 2300196; source `msha-controller-operator-history`.
- **Holcim Ltd → Lafarge Aggregates Illinois, Inc.:** 2015-07-10 through 2025-06-22; derived from co-tenure at mine 2300196; source `msha-controller-operator-history`.
- **Holcim Ltd → Lafarge North America Inc.:** 2015-07-10 through 2013-01-08; derived from co-tenure at mine 2300196; source `msha-controller-operator-history`.
- **Amrize Ltd → Lafarge Aggregates Illinois, Inc.:** 2025-06-23 through current/open; derived from co-tenure at mine 2300196; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 18
- Interval anomalies: 1
- 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 5 historical accident/injury rows; 0 coded fatalities and 42 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 81 violation rows across the full record; 20 carry an S&S flag and $15,443 appears in current assessed amounts.
3. **HEALTH — 47 samples:** Occupational health samples 47 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 1K employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 17 linked rows:** Contests, conferences and decisions 8 contested-violation rows, 8 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 5 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 58 inspection events and 995 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.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 56.14107 — Moving machine parts.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **30 CFR 56.11001 — Safe access.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2001-03-02 through 2008-07-15; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2019-09-11 through 2019-09-11; source ID `msha-addresses`
- **Assessed Violations:** 81 rows; 2001-05-02 through 2019-05-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 8 rows; 2005-03-10 through 2020-02-28; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2001-05-25 through 2001-05-25; source ID `msha-conferences`
- **Contested Violations:** 8 rows; 2004-07-28 through 2019-05-30; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 365 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 80 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2013-01-09; source ID `msha-controller-operator-history`
- **Inspections:** 58 rows; 2001-05-01 through 2019-05-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 234 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 60 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:** 47 rows; 2001-05-02 through 2018-12-20; source ID `msha-personal-health-samples`
- **Violations:** 81 rows; 2001-05-02 through 2019-05-30; 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/st-charles-plant-2300196`
- JSON: `/api/v1/mines/st-charles-plant-2300196`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2300196/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2300196/relationships`
- MCP resource: `mine://2300196/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`