# Windham Materials LLC

- **MSHA mine ID:** 0600400
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Windham, CT
- **Operator:** Windham Materials LLC
- **Controller:** Steven E Aiudi
- **Public source rows linked:** 1,444
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Steven E Aiudi (0162161) → Windham Materials LLC (0050136) → Windham Materials LLC (0600400)**

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

## Controller and operator valid-time history

- **Keith J  Nasin → Windham Sand & Stone Inc:** 1950-01-01 through 2001-09-19; derived from co-tenure at mine 0600400; source `msha-controller-operator-history`.
- **Elmo  Aiudi et al → Windham Materials LLC:** 2001-09-20 through 2018-11-20; derived from co-tenure at mine 0600400; source `msha-controller-operator-history`.
- **Steven E Aiudi → Windham Materials LLC:** 2018-11-21 through current/open; derived from co-tenure at mine 0600400; 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 7 historical accident/injury rows; 0 coded fatalities and 70 lost days across the published record.
2. **COMPLIANCE — 90 since 2021:** Violations and penalties 379 violation rows across the full record; 90 carry an S&S flag and $109,958 appears in current assessed amounts.
3. **HEALTH — 24 samples:** Occupational health samples 24 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 11 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 17 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 7 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 — 15 since 2021:** Inspections 68 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 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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 56.4200 — 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 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.4402 — Safety can use.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402
- **30 CFR 56.4201 — Inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **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 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2005-04-14 through 2026-01-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2001-09-20 through 2001-09-20; source ID `msha-addresses`
- **Assessed Violations:** 371 rows; 2000-03-09 through 2026-04-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2005-09-28 through 2018-06-29; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 7 rows; 2016-07-28 through 2017-04-19; source ID `msha-conferences`
- **Contested Violations:** 5 rows; 2005-01-04 through 2017-07-19; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 243 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 64 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 2001-09-20; source ID `msha-controller-operator-history`
- **Inspections:** 68 rows; 2000-03-09 through 2026-04-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 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:** 24 rows; 2005-01-05 through 2026-03-03; source ID `msha-personal-health-samples`
- **Violations:** 379 rows; 2000-03-09 through 2026-04-23; 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/windham-materials-llc-0600400`
- JSON: `/api/v1/mines/windham-materials-llc-0600400`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0600400/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0600400/relationships`
- MCP resource: `mine://0600400/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`