# Diamond P Aggregates Ltd

- **MSHA mine ID:** 4104779
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Brown, TX
- **Operator:** Diamond P Aggregates Ltd.
- **Controller:** Rising Star Management LLC; Jeff R  Phillips
- **Public source rows linked:** 472
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Rising Star Management LLC; Jeff R  Phillips (0098695) → Diamond P Aggregates Ltd. (0116468) → Diamond P Aggregates Ltd (4104779)**

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

## Controller and operator valid-time history

- **Steve T  Wilson → Steve Wilson Construction:** 2009-03-02 through 2011-01-20; derived from co-tenure at mine 4104779; source `msha-controller-operator-history`.
- **Jeff R  Phillips et al → Diamond P Aggregates Ltd.:** 2011-01-21 through current/open; derived from co-tenure at mine 4104779; source `msha-controller-operator-history`.
- **Rising Star Management LLC et al → Diamond P Aggregates Ltd.:** 2011-01-21 through current/open; derived from co-tenure at mine 4104779; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 11 since 2021:** Violations and penalties 44 violation rows across the full record; 7 carry an S&S flag and $5,011 appears in current assessed amounts.
3. **HEALTH — 4 samples:** Occupational health samples 4 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 688 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 6 since 2021:** Inspections 28 inspection events and 346 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 56.9301 — Dump site restraints.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9301
- **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 56.14103 — Operators stations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14103
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 56.11001 — 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 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201

## Source coverage

- **Addresses of Record:** 1 rows; 2014-01-23 through 2014-01-23; source ID `msha-addresses`
- **Assessed Violations:** 44 rows; 2009-03-02 through 2026-03-24; source ID `msha-assessed-violations`
- **Contractor Employment and Production — Quarterly:** 147 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 39 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2009-03-02 through 2011-01-21; source ID `msha-controller-operator-history`
- **Inspections:** 28 rows; 2009-03-02 through 2026-03-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 128 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 33 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:** 4 rows; 2009-05-05 through 2020-09-16; source ID `msha-personal-health-samples`
- **Violations:** 44 rows; 2009-03-02 through 2026-03-24; 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/diamond-p-aggregates-ltd-4104779`
- JSON: `/api/v1/mines/diamond-p-aggregates-ltd-4104779`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104779/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104779/relationships`
- MCP resource: `mine://4104779/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`