# Naceville Materials

- **MSHA mine ID:** 3608347
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Bucks, PA
- **Operator:** Naceville Materials JV
- **Controller:** Naceville Materials Inc; Haines & Kibblehouse Inc
- **Public source rows linked:** 1,748
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Naceville Materials Inc; Haines & Kibblehouse Inc (M36589) → Naceville Materials JV (L36589) → Naceville Materials (3608347)**

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

## Controller and operator valid-time history

- **Naceville Materials Inc  et al → Naceville Materials JV:** 1992-06-01 through current/open; derived from co-tenure at mine 3608347; source `msha-controller-operator-history`.
- **Haines & Kibblehouse Inc et al → Naceville Materials JV:** 1992-06-01 through current/open; derived from co-tenure at mine 3608347; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 4
- 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 — 11 since 2021:** Accidents and injuries 19 historical accident/injury rows; 0 coded fatalities and 687 lost days across the published record.
2. **COMPLIANCE — 26 since 2021:** Violations and penalties 148 violation rows across the full record; 39 carry an S&S flag and $33,305 appears in current assessed amounts.
3. **HEALTH — 46 samples:** Occupational health samples 46 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 8K employee hours and 12 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 9 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 — 16 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 56.13015 — Inspection of compressed-air receivers and other unfired pressure vessels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13015
- **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 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 56.20003 — 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 56.14205 — 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 56.12018 — 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
- **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 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005
- **30 CFR 62.174 — Follow-up corrective measures when a standard threshold shift is detected.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.174

## Source coverage

- **Accident, Injuries, and Illnesses:** 19 rows; 2003-06-14 through 2026-04-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1999-01-28 through 1999-01-28; source ID `msha-addresses`
- **Assessed Violations:** 148 rows; 2000-02-08 through 2025-10-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2010-01-28 through 2010-08-26; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2016-01-28 through 2016-01-28; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2008-02-26 through 2009-06-23; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 859 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 175 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1992-06-01 through 1992-06-01; source ID `msha-controller-operator-history`
- **Inspections:** 76 rows; 2000-02-08 through 2026-08-20; 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:** 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:** 46 rows; 2001-06-21 through 2025-10-16; source ID `msha-personal-health-samples`
- **Violations:** 148 rows; 2000-02-08 through 2025-10-16; 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/naceville-materials-3608347`
- JSON: `/api/v1/mines/naceville-materials-3608347`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3608347/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3608347/relationships`
- MCP resource: `mine://3608347/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`