# LEBEC CEMENT PLANT

- **MSHA mine ID:** 0400213
- **Status:** Active
- **Type / commodity:** Facility / Cement
- **Location:** Kern, CA
- **Operator:** NATIONAL CEMENT COMPANY OF CALIFORNIA INC
- **Controller:** Vicat S A
- **Public source rows linked:** 11,812
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Vicat S A (M02802) → NATIONAL CEMENT COMPANY OF CALIFORNIA INC (L10040) → LEBEC CEMENT PLANT (0400213)**

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

## Controller and operator valid-time history

- **General Portland Inc → General Portland Inc:** 1950-01-01 through 1981-11-11; derived from co-tenure at mine 0400213; source `msha-controller-operator-history`.
- **Lafarge S A → General Portland Inc:** 1981-11-12 through 1987-11-11; derived from co-tenure at mine 0400213; source `msha-controller-operator-history`.
- **Vicat S A → National Cement Company Of California Inc:** 1987-11-12 through current/open; derived from co-tenure at mine 0400213; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 — 31 since 2021:** Accidents and injuries 225 historical accident/injury rows; 4 coded fatalities and 8,488 lost days across the published record.
2. **COMPLIANCE — 376 since 2021:** Violations and penalties 1,881 violation rows across the full record; 523 carry an S&S flag and $1,323,776 appears in current assessed amounts.
3. **HEALTH — 331 samples:** Occupational health samples 253 personal; 78 area. 18 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 67K employee hours and 131 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1,397 linked rows:** Contests, conferences and decisions 524 contested-violation rows, 651 civil-penalty docket/decision rows, and 222 conference records linked by issuance number.
6. **CONTRACTORS — 50 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 — 48 since 2021:** Inspections 240 inspection events and 11K 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 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.14105 — Procedures during repairs or maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14105
- **30 CFR 46.7 — New task training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7
- **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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.16001 — Stacking and storage of materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16001

## Source coverage

- **Accident, Injuries, and Illnesses:** 225 rows; 2000-02-02 through 2026-08-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1988-07-25 through 1988-07-25; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 78 rows; 2003-02-04 through 2011-08-15; source ID `msha-area-samples`
- **Assessed Violations:** 1,842 rows; 2000-04-04 through 2026-08-13; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 651 rows; 2000-11-13 through 2025-05-20; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 222 rows; 2000-05-04 through 2026-09-30; source ID `msha-conferences`
- **Contested Violations:** 524 rows; 2001-01-02 through 2024-10-09; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 4,649 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 844 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 1987-11-12; source ID `msha-controller-operator-history`
- **Inspections:** 240 rows; 2000-04-04 through 2026-08-19; 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:** 253 rows; 2000-11-29 through 2025-05-07; source ID `msha-personal-health-samples`
- **Violations:** 1,881 rows; 2000-04-04 through 2026-10-08; 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/lebec-cement-plant-0400213`
- JSON: `/api/v1/mines/lebec-cement-plant-0400213`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0400213/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0400213/relationships`
- MCP resource: `mine://0400213/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`