# Amrize Joppa Plant

- **MSHA mine ID:** 1100786
- **Status:** Active
- **Type / commodity:** Facility / Cement
- **Location:** Massac, IL
- **Operator:** Amrize Cement Inc.
- **Controller:** Amrize Ltd
- **Public source rows linked:** 9,536
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Amrize Ltd (0193740) → Amrize Cement Inc. (0051046) → Amrize Joppa Plant (1100786)**

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

## Controller and operator valid-time history

- **H K Porter Company Inc → Missouri Portland Cement Company:** 1950-01-01 through 1985-12-26; derived from co-tenure at mine 1100786; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge Corporation:** 1985-12-27 through 2007-08-31; derived from co-tenure at mine 1100786; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge Midwest:** 2007-09-01 through 2015-07-09; derived from co-tenure at mine 1100786; source `msha-controller-operator-history`.
- **Holcim Ltd → Lafarge Midwest:** 2015-07-10 through 2018-01-30; derived from co-tenure at mine 1100786; source `msha-controller-operator-history`.
- **Holcim Ltd → Amrize Cement Inc.:** 2018-01-31 through 2025-06-22; derived from co-tenure at mine 1100786; source `msha-controller-operator-history`.
- **Holcim Ltd → Amrize Cement Inc.:** 2018-01-31 through 2015-07-09; derived from co-tenure at mine 1100786; source `msha-controller-operator-history`.
- **Amrize Ltd → Amrize Cement Inc.:** 2025-06-23 through current/open; derived from co-tenure at mine 1100786; 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 9 since 2021:** Accidents and injuries 117 historical accident/injury rows; 0 coded fatalities and 1,391 lost days across the published record.
2. **COMPLIANCE — 267 since 2021:** Violations and penalties 1,123 violation rows across the full record; 237 carry an S&S flag and $562,114 appears in current assessed amounts.
3. **HEALTH — 258 samples:** Occupational health samples 231 personal; 27 area. 35 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 37K employee hours and 75 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 186 linked rows:** Contests, conferences and decisions 69 contested-violation rows, 70 civil-penalty docket/decision rows, and 47 conference records linked by issuance number.
6. **CONTRACTORS — 42 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 — 36 since 2021:** Inspections 161 inspection events and 8K 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 56.12032 — 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 56.12008 — Insulation and fittings for power wires and cables.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **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 56.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 117 rows; 2000-01-19 through 2026-04-30; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-04-15 through 2013-04-15; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 27 rows; 2011-08-02 through 2011-08-03; source ID `msha-area-samples`
- **Assessed Violations:** 1,111 rows; 2000-03-01 through 2026-08-10; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 70 rows; 2000-04-11 through 2025-07-10; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 47 rows; 2001-02-23 through 2026-01-15; source ID `msha-conferences`
- **Contested Violations:** 69 rows; 2009-07-29 through 2024-12-03; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 5,272 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,033 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2018-01-31; source ID `msha-controller-operator-history`
- **Inspections:** 161 rows; 2000-03-01 through 2026-09-28; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 231 rows; 2001-01-23 through 2026-03-31; source ID `msha-personal-health-samples`
- **Violations:** 1,123 rows; 2000-03-01 through 2026-09-30; 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/amrize-joppa-plant-1100786`
- JSON: `/api/v1/mines/amrize-joppa-plant-1100786`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1100786/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1100786/relationships`
- MCP resource: `mine://1100786/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`