# Aberdeen Mine

- **MSHA mine ID:** 2200051
- **Status:** Active
- **Type / commodity:** Surface / Bentonite
- **Location:** Monroe, MS
- **Operator:** HWI Minerals
- **Controller:** Platinum Equity LLC
- **Public source rows linked:** 1,550
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Platinum Equity LLC (0179620) → HWI Minerals (0087764) → Aberdeen Mine (2200051)**

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

## Controller and operator valid-time history

- **IMC Global Inc → International Minerals & Chemical Corp:** 1950-01-01 through 1986-10-31; derived from co-tenure at mine 2200051; source `msha-controller-operator-history`.
- **Charles  Gallagher et al → Applied Industrial Materials Corp (Aimcor):** 1986-11-01 through 1994-04-28; derived from co-tenure at mine 2200051; source `msha-controller-operator-history`.
- **S C R-Sibelco Nv et al → Unimin Corp:** 1994-04-29 through 2008-01-31; derived from co-tenure at mine 2200051; source `msha-controller-operator-history`.
- **S & B Industrial Minerals S A → HWI Minerals:** 2008-02-01 through 2015-02-25; derived from co-tenure at mine 2200051; source `msha-controller-operator-history`.
- **Imerys S A → HWI Minerals:** 2015-02-26 through 2023-09-10; derived from co-tenure at mine 2200051; source `msha-controller-operator-history`.
- **Covia Holdings LLC → Unimin Corp:** 2021-01-01 through 2008-01-31; derived from co-tenure at mine 2200051; source `msha-controller-operator-history`.
- **Platinum Equity LLC → HWI Minerals:** 2023-09-11 through current/open; derived from co-tenure at mine 2200051; 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 9 historical accident/injury rows; 0 coded fatalities and 145 lost days across the published record.
2. **COMPLIANCE — 6 since 2021:** Violations and penalties 127 violation rows across the full record; 30 carry an S&S flag and $28,307 appears in current assessed amounts.
3. **HEALTH — 21 samples:** Occupational health samples 21 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 3K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 49 linked rows:** Contests, conferences and decisions 20 contested-violation rows, 21 civil-penalty docket/decision rows, and 8 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 14 since 2021:** Inspections 74 inspection events and 1K 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 56.12004 — Electrical conductors.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **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 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **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:** 9 rows; 2000-06-26 through 2012-02-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2008-12-01 through 2008-12-01; source ID `msha-addresses`
- **Assessed Violations:** 126 rows; 2000-01-27 through 2023-09-13; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 21 rows; 2000-07-18 through 2017-02-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 8 rows; 2000-02-07 through 2015-04-14; source ID `msha-conferences`
- **Contested Violations:** 20 rows; 2010-04-20 through 2016-06-22; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 658 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 143 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2008-02-01; source ID `msha-controller-operator-history`
- **Inspections:** 74 rows; 2000-01-27 through 2026-09-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 277 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 57 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:** 21 rows; 2001-06-07 through 2026-01-13; source ID `msha-personal-health-samples`
- **Violations:** 127 rows; 2000-01-27 through 2023-09-13; 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/aberdeen-mine-2200051`
- JSON: `/api/v1/mines/aberdeen-mine-2200051`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2200051/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2200051/relationships`
- MCP resource: `mine://2200051/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`