# MONROE ROCK

- **MSHA mine ID:** 4500557
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Traprock
- **Location:** Snohomish, WA
- **Operator:** AAA Monroe Rock Corp
- **Controller:** Zakary  Fiorito; Stephanie  Fiorito; Stacie  Fiorito; Randy  Fiorito
- **Public source rows linked:** 358
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Zakary  Fiorito; Stephanie  Fiorito; Stacie  Fiorito; Randy  Fiorito (0146681) → AAA Monroe Rock Corp (L06546) → MONROE ROCK (4500557)**

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

## Controller and operator valid-time history

- **Stoen Milo & Glen → Stoen Construction Company:** 1950-01-01 through 1979-02-27; derived from co-tenure at mine 4500557; source `msha-controller-operator-history`.
- **Hughes Pat → Monroe Quarry Inc:** 1979-02-28 through 1979-10-31; derived from co-tenure at mine 4500557; source `msha-controller-operator-history`.
- **Donald S  Gerard → Monroe Quarry Inc:** 1979-11-01 through 1982-12-09; derived from co-tenure at mine 4500557; source `msha-controller-operator-history`.
- **Dan  Fiorito  et al → AAA Monroe Rock Corp:** 1982-12-10 through 2017-03-12; derived from co-tenure at mine 4500557; source `msha-controller-operator-history`.
- **Zakary  Fiorito et al → AAA Monroe Rock Corp:** 2017-03-13 through current/open; derived from co-tenure at mine 4500557; source `msha-controller-operator-history`.
- **Stephanie  Fiorito et al → AAA Monroe Rock Corp:** 2017-03-13 through current/open; derived from co-tenure at mine 4500557; source `msha-controller-operator-history`.
- **Randy  Fiorito et al → AAA Monroe Rock Corp:** 2017-03-13 through current/open; derived from co-tenure at mine 4500557; source `msha-controller-operator-history`.
- **Stacie  Fiorito et al → AAA Monroe Rock Corp:** 2017-03-13 through current/open; derived from co-tenure at mine 4500557; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 17
- 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 — 0 since 2021:** Violations and penalties 37 violation rows across the full record; 11 carry an S&S flag and $4,097 appears in current assessed amounts.
3. **HEALTH — 84 samples:** Occupational health samples 84 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 3K employee hours and 7 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 2 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 — 0 since 2021:** Inspections 29 inspection events and 344 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 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 56.4200 — 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 56.14115 — Stationary grinding machines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14115
- **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 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **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 56.14207 — 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 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100

## Source coverage

- **Addresses of Record:** 1 rows; 2019-10-01 through 2019-10-01; source ID `msha-addresses`
- **Assessed Violations:** 37 rows; 2000-08-31 through 2015-02-24; source ID `msha-assessed-violations`
- **Conferences:** 2 rows; 2006-10-12 through 2006-10-12; source ID `msha-conferences`
- **Controller and Operator History:** 8 rows; 1950-01-01 through 1982-12-10; source ID `msha-controller-operator-history`
- **Inspections:** 29 rows; 2000-08-31 through 2015-02-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 126 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:** 84 rows; 2001-02-07 through 2014-02-13; source ID `msha-personal-health-samples`
- **Violations:** 37 rows; 2000-08-31 through 2015-02-24; 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/monroe-rock-4500557`
- JSON: `/api/v1/mines/monroe-rock-4500557`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4500557/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4500557/relationships`
- MCP resource: `mine://4500557/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`