# Oscar Brugmann Sand & Gravel Inc

- **MSHA mine ID:** 3301532
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Portage, OH
- **Operator:** Oscar Brugmann Sand & Gravel Inc
- **Controller:** Alan R  Brugmann
- **Public source rows linked:** 784
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Alan R  Brugmann (M36958) → Oscar Brugmann Sand & Gravel Inc (L36958) → Oscar Brugmann Sand & Gravel Inc (3301532)**

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

## Controller and operator valid-time history

- **Alan R  Brugmann → Oscar Brugmann Sand & Gravel Inc:** 1950-01-01 through current/open; derived from co-tenure at mine 3301532; 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record.
2. **COMPLIANCE — 52 since 2021:** Violations and penalties 199 violation rows across the full record; 27 carry an S&S flag and $35,452 appears in current assessed amounts.
3. **HEALTH — 19 samples:** Occupational health samples 19 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 11K employee hours and 19 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 29 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 17 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 69 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 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12006 — Distribution boxes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12006
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **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 56.14107 — 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 56.11002 — Handrails and toeboards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 56.4500 — Heat sources.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4500
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2005-05-02 through 2005-05-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1999-05-05 through 1999-05-05; source ID `msha-addresses`
- **Assessed Violations:** 198 rows; 2000-04-05 through 2026-07-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2006-07-26 through 2013-11-06; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 17 rows; 2012-10-12 through 2021-06-16; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2006-02-28 through 2013-01-08; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 1950-01-01 through 1950-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 69 rows; 2000-04-04 through 2026-07-28; 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:** 19 rows; 2004-08-31 through 2024-10-29; source ID `msha-personal-health-samples`
- **Violations:** 199 rows; 2000-04-05 through 2026-07-29; 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/oscar-brugmann-sand-gravel-inc-3301532`
- JSON: `/api/v1/mines/oscar-brugmann-sand-gravel-inc-3301532`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3301532/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3301532/relationships`
- MCP resource: `mine://3301532/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`