# CEC Plant #2-Ser #99515

- **MSHA mine ID:** 2302408
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Camden, MO
- **Operator:** Magruder Limestone Co Inc
- **Controller:** Mark  Magruder
- **Public source rows linked:** 729
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Mark  Magruder (M09210) → Magruder Limestone Co Inc (L11956) → CEC Plant #2-Ser #99515 (2302408)**

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

## Controller and operator valid-time history

- **Mark  Magruder → Magruder Limestone Co Inc:** 2010-05-24 through current/open; derived from co-tenure at mine 2302408; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 0 since 2021:** Accidents and injuries 5 historical accident/injury rows; 0 coded fatalities and 1 lost days across the published record.
2. **COMPLIANCE — 6 since 2021:** Violations and penalties 56 violation rows across the full record; 16 carry an S&S flag and $17,431 appears in current assessed amounts.
3. **HEALTH — 9 samples:** Occupational health samples 9 personal. 1 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 49 linked rows:** Contests, conferences and decisions 23 contested-violation rows, 23 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 1 since 2021:** Inspections 25 inspection events and 294 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 56.20003 — Housekeeping.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.14107 — Moving machine parts.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.18009 — Designation of person in charge.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18009
- **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 56.14100 — 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 56.18002 — 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 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2011-09-29 through 2017-04-25; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2021-08-06 through 2021-08-06; source ID `msha-addresses`
- **Assessed Violations:** 56 rows; 2010-08-24 through 2021-07-15; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 23 rows; 2011-06-02 through 2022-02-02; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2017-03-27 through 2018-07-03; source ID `msha-conferences`
- **Contested Violations:** 23 rows; 2010-08-24 through 2021-07-15; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 313 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 73 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2010-05-24 through 2010-05-24; source ID `msha-controller-operator-history`
- **Inspections:** 25 rows; 2010-08-24 through 2021-07-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 114 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 26 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:** 9 rows; 2012-03-07 through 2015-12-17; source ID `msha-personal-health-samples`
- **Violations:** 56 rows; 2010-08-24 through 2021-07-15; 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/cec-plant-2-ser-99515-2302408`
- JSON: `/api/v1/mines/cec-plant-2-ser-99515-2302408`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2302408/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2302408/relationships`
- MCP resource: `mine://2302408/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`