# MATERIAL SAND & STONE CORP

- **MSHA mine ID:** 3700068
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Providence, RI
- **Operator:** Material Sand & Stone Corp.
- **Controller:** Robert A Pezza; Michael T Pezza
- **Public source rows linked:** 1,162
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Robert A Pezza; Michael T Pezza (0126081) → Material Sand & Stone Corp. (L13842) → MATERIAL SAND & STONE CORP (3700068)**

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

## Controller and operator valid-time history

- **Fortune Harvey → Material Service Inc:** 1950-01-01 through 1985-07-08; derived from co-tenure at mine 3700068; source `msha-controller-operator-history`.
- **Leonard  Pezza → Material Sand & Stone:** 1985-07-09 through 1994-09-22; derived from co-tenure at mine 3700068; source `msha-controller-operator-history`.
- **Robert  A  Pezza → Material Sand & Stone Corp.:** 1994-09-23 through 2016-05-23; derived from co-tenure at mine 3700068; source `msha-controller-operator-history`.
- **Michael T Pezza → Material Sand & Stone Corp.:** 2016-05-24 through current/open; derived from co-tenure at mine 3700068; source `msha-controller-operator-history`.
- **Robert A Pezza → Material Sand & Stone Corp.:** 2016-05-24 through current/open; derived from co-tenure at mine 3700068; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 12
- 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 — 2 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 25 lost days across the published record.
2. **COMPLIANCE — 62 since 2021:** Violations and penalties 249 violation rows across the full record; 78 carry an S&S flag and $69,215 appears in current assessed amounts.
3. **HEALTH — 23 samples:** Occupational health samples 23 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 11K employee hours and 18 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 299 linked rows:** Contests, conferences and decisions 132 contested-violation rows, 167 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 17 since 2021:** Inspections 69 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.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.4200 — General requirements.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.11002 — Handrails and toeboards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.15002 — Hard hats.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15002
- **30 CFR 56.4401 — Storage tank foundations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4401
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 56.16001 — Stacking and storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16001
- **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

- **Accident, Injuries, and Illnesses:** 3 rows; 2000-05-09 through 2022-06-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2012-03-20 through 2012-03-20; source ID `msha-addresses`
- **Assessed Violations:** 246 rows; 2000-11-13 through 2026-08-19; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 167 rows; 2001-05-30 through 2026-08-24; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 132 rows; 2010-08-11 through 2026-03-10; source ID `msha-contested-violations`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 1994-09-23; source ID `msha-controller-operator-history`
- **Inspections:** 69 rows; 2000-11-13 through 2026-08-17; 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:** 23 rows; 2002-04-10 through 2026-08-19; source ID `msha-personal-health-samples`
- **Violations:** 249 rows; 2000-11-13 through 2026-08-19; 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/material-sand-stone-corp-3700068`
- JSON: `/api/v1/mines/material-sand-stone-corp-3700068`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3700068/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3700068/relationships`
- MCP resource: `mine://3700068/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`