# Kittrell Quarry

- **MSHA mine ID:** 3102172
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Vance, NC
- **Operator:** Sunrock Industries LLC
- **Controller:** Sunrock Group Holdings Corp
- **Public source rows linked:** 3,159
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Sunrock Group Holdings Corp (M00518) → Sunrock Industries LLC (L08420) → Kittrell Quarry (3102172)**

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

## Controller and operator valid-time history

- **Sunrock Group Holdings Corp → Sunrock Industries LLC:** 2001-04-01 through current/open; derived from co-tenure at mine 3102172; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 1 since 2021:** Accidents and injuries 20 historical accident/injury rows; 0 coded fatalities and 124 lost days across the published record.
2. **COMPLIANCE — 49 since 2021:** Violations and penalties 182 violation rows across the full record; 30 carry an S&S flag and $40,645 appears in current assessed amounts.
3. **HEALTH — 41 samples:** Occupational health samples 41 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 17K employee hours and 24 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 61 linked rows:** Contests, conferences and decisions 28 contested-violation rows, 30 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
6. **CONTRACTORS — 13 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 — 18 since 2021:** Inspections 78 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 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 56.14101 — 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 56.15004 — Eye protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15004
- **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 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **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 56.18002 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 20 rows; 2002-08-12 through 2022-02-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2001-11-26 through 2001-11-26; source ID `msha-addresses`
- **Assessed Violations:** 181 rows; 2002-05-29 through 2026-08-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 30 rows; 2002-12-13 through 2023-12-27; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2004-04-12 through 2022-10-18; source ID `msha-conferences`
- **Contested Violations:** 28 rows; 2012-10-11 through 2023-01-17; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,858 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 393 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2001-04-01 through 2001-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 78 rows; 2001-11-26 through 2026-08-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 273 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 69 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:** 41 rows; 2002-05-30 through 2024-07-10; source ID `msha-personal-health-samples`
- **Violations:** 182 rows; 2002-05-29 through 2026-08-04; 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/kittrell-quarry-3102172`
- JSON: `/api/v1/mines/kittrell-quarry-3102172`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3102172/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3102172/relationships`
- MCP resource: `mine://3102172/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`