# Brunswick Plant

- **MSHA mine ID:** 0901185
- **Status:** Active
- **Type / commodity:** Facility / Bentonite
- **Location:** Glynn, GA
- **Operator:** Imerys Minerals USA, Inc.
- **Controller:** Platinum Equity LLC
- **Public source rows linked:** 424
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Platinum Equity LLC (0179620) → Imerys Minerals USA, Inc. (0087764) → Brunswick Plant (0901185)**

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

## Controller and operator valid-time history

- **S & B Industrial Minerals S A → S & B Industrial Minerals N A Inc:** 2008-01-01 through 2015-02-25; derived from co-tenure at mine 0901185; source `msha-controller-operator-history`.
- **Alleghany Corp → Imerys Perlite USA Inc.:** 2015-02-26 through 2005-07-14; derived from co-tenure at mine 0901185; source `msha-controller-operator-history`.
- **Imerys S A → Imerys Perlite USA Inc.:** 2015-02-26 through 2017-01-31; derived from co-tenure at mine 0901185; source `msha-controller-operator-history`.
- **Imerys S A → S & B Industrial Minerals N A Inc:** 2015-02-26 through 2015-02-25; derived from co-tenure at mine 0901185; source `msha-controller-operator-history`.
- **S & B Industrial Minerals S A → Imerys Minerals USA, Inc.:** 2017-02-01 through 2015-02-25; derived from co-tenure at mine 0901185; source `msha-controller-operator-history`.
- **Imerys S A → Imerys Minerals USA, Inc.:** 2017-02-01 through 2023-09-10; derived from co-tenure at mine 0901185; source `msha-controller-operator-history`.
- **Platinum Equity LLC → S & B Industrial Minerals N A Inc:** 2023-09-11 through 2015-02-25; derived from co-tenure at mine 0901185; source `msha-controller-operator-history`.
- **Platinum Equity LLC → Imerys Minerals USA, Inc.:** 2023-09-11 through current/open; derived from co-tenure at mine 0901185; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 16
- Interval anomalies: 4
- 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 — 2 since 2021:** Accidents and injuries 5 historical accident/injury rows; 0 coded fatalities and 121 lost days across the published record.
2. **COMPLIANCE — 21 since 2021:** Violations and penalties 84 violation rows across the full record; 18 carry an S&S flag and $18,741 appears in current assessed amounts.
3. **HEALTH — 7 samples:** Occupational health samples 7 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 2K employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 15 since 2021:** Inspections 47 inspection events and 653 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 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **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 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2009-01-27 through 2024-10-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-10-31 through 2009-10-31; source ID `msha-addresses`
- **Assessed Violations:** 84 rows; 2008-09-16 through 2026-09-01; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2013-01-22 through 2013-01-22; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2015-05-19 through 2015-05-19; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2012-10-11 through 2012-10-11; source ID `msha-contested-violations`
- **Controller and Operator History:** 8 rows; 2008-01-01 through 2017-02-01; source ID `msha-controller-operator-history`
- **Inspections:** 47 rows; 2008-09-16 through 2026-08-31; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 146 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 38 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:** 7 rows; 2009-10-15 through 2024-11-06; source ID `msha-personal-health-samples`
- **Violations:** 84 rows; 2008-09-16 through 2026-09-01; 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/brunswick-plant-0901185`
- JSON: `/api/v1/mines/brunswick-plant-0901185`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0901185/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0901185/relationships`
- MCP resource: `mine://0901185/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`