# Portable Pioneer Plant

- **MSHA mine ID:** 1700584
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Knox, ME
- **Operator:** Ferraiolo Construction
- **Controller:** John  Ferraiolo; Vincent  Ferraiolo
- **Public source rows linked:** 647
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**John  Ferraiolo; Vincent  Ferraiolo (0195721) → Ferraiolo Construction (L10360) → Portable Pioneer Plant (1700584)**

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

## Controller and operator valid-time history

- **Ronald Paul  MacQuinn Jr → Harold Mac Quinn Inc:** 1987-04-01 through 1988-07-26; derived from co-tenure at mine 1700584; source `msha-controller-operator-history`.
- **Vincent  Ferraiolo → Ferraiolo Construction:** 1988-07-27 through 2025-08-19; derived from co-tenure at mine 1700584; source `msha-controller-operator-history`.
- **John  Ferraiolo et al → Ferraiolo Construction:** 2025-08-20 through current/open; derived from co-tenure at mine 1700584; source `msha-controller-operator-history`.
- **Vincent  Ferraiolo et al → Ferraiolo Construction:** 2025-08-20 through current/open; derived from co-tenure at mine 1700584; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 1 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 15 lost days across the published record.
2. **COMPLIANCE — 50 since 2021:** Violations and penalties 222 violation rows across the full record; 80 carry an S&S flag and $79,511 appears in current assessed amounts.
3. **HEALTH — 19 samples:** Occupational health samples 19 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 1K employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 68 linked rows:** Contests, conferences and decisions 34 contested-violation rows, 34 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 — 14 since 2021:** Inspections 51 inspection events and 876 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 56.14107 — 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.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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 56.20003 — 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 56.11001 — 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 56.14100 — 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
- **30 CFR 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2011-10-28 through 2021-10-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1988-07-27 through 1988-07-27; source ID `msha-addresses`
- **Assessed Violations:** 220 rows; 2000-05-31 through 2026-05-27; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 34 rows; 2012-09-18 through 2017-07-19; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 34 rows; 2011-10-04 through 2026-05-27; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1987-04-01 through 1988-07-27; source ID `msha-controller-operator-history`
- **Inspections:** 51 rows; 2000-05-31 through 2026-06-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 12 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 47 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:** 19 rows; 2002-07-24 through 2026-05-21; source ID `msha-personal-health-samples`
- **Violations:** 222 rows; 2000-05-31 through 2026-05-27; 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-pioneer-plant-1700584`
- JSON: `/api/v1/mines/portable-pioneer-plant-1700584`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1700584/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1700584/relationships`
- MCP resource: `mine://1700584/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`