# Portable Two

- **MSHA mine ID:** 3700218
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Providence, RI
- **Operator:** J R Vinagro Corporation
- **Controller:** Joseph R Vinagro
- **Public source rows linked:** 274
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Joseph R Vinagro (M12965) → J R Vinagro Corporation (L16987) → Portable Two (3700218)**

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

## Controller and operator valid-time history

- **Joseph R Vinagro → J R Vinagro Corporation:** 2013-12-16 through current/open; derived from co-tenure at mine 3700218; 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 — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 24 since 2021:** Violations and penalties 49 violation rows across the full record; 8 carry an S&S flag and $9,045 appears in current assessed amounts.
3. **HEALTH — 8 samples:** Occupational health samples 8 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 5K employee hours and 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 7 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 5 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 — 15 since 2021:** Inspections 28 inspection events and 319 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 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **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 56.14107 — Moving machine parts.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 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 56.11001 — Safe access.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **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
- **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 56.14207 — 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

## Source coverage

- **Addresses of Record:** 1 rows; 2017-02-27 through 2017-02-27; source ID `msha-addresses`
- **Assessed Violations:** 49 rows; 2013-12-16 through 2026-07-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2019-10-04 through 2019-10-04; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2015-06-17 through 2021-04-28; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2019-03-06 through 2019-03-06; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 2013-12-16 through 2013-12-16; source ID `msha-controller-operator-history`
- **Inspections:** 28 rows; 2013-12-16 through 2026-07-19; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 102 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 28 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:** 8 rows; 2015-05-27 through 2026-02-12; source ID `msha-personal-health-samples`
- **Violations:** 49 rows; 2013-12-16 through 2026-07-20; 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/portable-two-3700218`
- JSON: `/api/v1/mines/portable-two-3700218`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3700218/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3700218/relationships`
- MCP resource: `mine://3700218/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`