# Aggregate Products

- **MSHA mine ID:** 0404146
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Shasta, CA
- **Operator:** Aggregate Products
- **Controller:** Peter  Shea Jr
- **Public source rows linked:** 959
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Peter  Shea Jr (0188321) → Aggregate Products (L16117) → Aggregate Products (0404146)**

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

## Controller and operator valid-time history

- **W (Wallace) Jaxon  Baker → Aggregate Products Co-Div/Jaxon Enterprises:** 1950-01-01 through 1984-12-18; derived from co-tenure at mine 0404146; source `msha-controller-operator-history`.
- **John F  Shea → Aggregate Products:** 1984-12-19 through 2024-10-21; derived from co-tenure at mine 0404146; source `msha-controller-operator-history`.
- **Peter  Shea Jr → Aggregate Products:** 2024-10-22 through current/open; derived from co-tenure at mine 0404146; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 — 1 since 2021:** Accidents and injuries 11 historical accident/injury rows; 0 coded fatalities and 367 lost days across the published record.
2. **COMPLIANCE — 22 since 2021:** Violations and penalties 154 violation rows across the full record; 25 carry an S&S flag and $18,046 appears in current assessed amounts.
3. **HEALTH — 25 samples:** Occupational health samples 25 personal. 3 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 8K employee hours and 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 33 linked rows:** Contests, conferences and decisions 10 contested-violation rows, 11 civil-penalty docket/decision rows, and 12 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 76 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 56.14101 — 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 56.12020 — Protection of persons at switchgear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12020
- **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 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **30 CFR 56.23003 — Requirements for written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23003
- **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 56.11001 — 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 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003

## Source coverage

- **Accident, Injuries, and Illnesses:** 11 rows; 2000-04-14 through 2025-01-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1988-11-28 through 1988-11-28; source ID `msha-addresses`
- **Assessed Violations:** 153 rows; 2000-04-18 through 2026-06-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 11 rows; 2004-11-23 through 2013-04-22; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 12 rows; 2010-03-29 through 2012-02-09; source ID `msha-conferences`
- **Contested Violations:** 10 rows; 2011-03-08 through 2012-01-27; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 197 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 47 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 1984-12-19; source ID `msha-controller-operator-history`
- **Inspections:** 76 rows; 2000-04-18 through 2026-06-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 210 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 48 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:** 25 rows; 2001-04-30 through 2026-03-17; source ID `msha-personal-health-samples`
- **Violations:** 154 rows; 2000-04-18 through 2026-06-30; 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/aggregate-products-0404146`
- JSON: `/api/v1/mines/aggregate-products-0404146`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0404146/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0404146/relationships`
- MCP resource: `mine://0404146/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`