# Bradley Plant

- **MSHA mine ID:** 0405572
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Monterey, CA
- **Operator:** Calportland Construction
- **Controller:** Taiheiyo Cement Corp
- **Public source rows linked:** 171
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Taiheiyo Cement Corp (M07897) → Calportland Construction (L11900) → Bradley Plant (0405572)**

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

## Controller and operator valid-time history

- **Steven F  Will Et Al → Union Asphalt Inc:** 2003-10-03 through 2008-03-26; derived from co-tenure at mine 0405572; source `msha-controller-operator-history`.
- **Andy C  Hermreck Et Al → Union Asphalt Inc:** 2003-10-03 through 2008-03-26; derived from co-tenure at mine 0405572; source `msha-controller-operator-history`.
- **Taiheiyo Cement Corp → Calportland Construction:** 2008-03-27 through current/open; derived from co-tenure at mine 0405572; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 43 violation rows across the full record; 6 carry an S&S flag and $5,469 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 6 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 21 linked rows:** Contests, conferences and decisions 9 contested-violation rows, 9 civil-penalty docket/decision rows, and 3 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 — 0 since 2021:** Inspections 28 inspection events and 407 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 56.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003
- **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 56.20014 — Prohibited areas for food and beverages.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20014
- **30 CFR 56.11011 — Use of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11011
- **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 56.14132 — 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
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.12018 — Identification of power switches.** (2 retained recent rows) — 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; 2007-05-24 through 2007-05-24; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-04-01 through 2016-04-01; source ID `msha-addresses`
- **Assessed Violations:** 43 rows; 2004-12-14 through 2014-07-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2011-02-02 through 2014-06-11; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2010-03-10 through 2010-08-02; source ID `msha-conferences`
- **Contested Violations:** 9 rows; 2010-01-26 through 2013-10-30; source ID `msha-contested-violations`
- **Controller and Operator History:** 3 rows; 2003-10-03 through 2008-03-27; source ID `msha-controller-operator-history`
- **Inspections:** 28 rows; 2004-12-14 through 2016-01-13; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 24 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:** 6 rows; 2004-12-15 through 2013-06-18; source ID `msha-personal-health-samples`
- **Violations:** 43 rows; 2004-12-14 through 2014-07-16; 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/bradley-plant-0405572`
- JSON: `/api/v1/mines/bradley-plant-0405572`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0405572/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0405572/relationships`
- MCP resource: `mine://0405572/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`