# Productora de Agregados Isabela

- **MSHA mine ID:** 5400280
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Quebradillas, PR
- **Operator:** Productora de Agregados, Inc.
- **Controller:** Melba  Figueroa; Edgar  Figueroa
- **Public source rows linked:** 564
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Melba  Figueroa; Edgar  Figueroa (M09052) → Productora de Agregados, Inc. (L11721) → Productora de Agregados Isabela (5400280)**

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

## Controller and operator valid-time history

- **Gilberto  Benitez → Cantera G Benitez & Sons Inc:** 1985-05-01 through 1990-10-01; derived from co-tenure at mine 5400280; source `msha-controller-operator-history`.
- **Nelson  Gutierrez → Cantera Gutierrez:** 1990-10-02 through 2021-07-13; derived from co-tenure at mine 5400280; source `msha-controller-operator-history`.
- **Edgar  Figueroa et al → Productora de Agregados, Inc.:** 2021-07-14 through current/open; derived from co-tenure at mine 5400280; source `msha-controller-operator-history`.
- **Melba  Figueroa et al → Productora de Agregados, Inc.:** 2021-07-14 through current/open; derived from co-tenure at mine 5400280; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 10
- 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 — 3 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 50 lost days across the published record.
2. **COMPLIANCE — 8 since 2021:** Violations and penalties 134 violation rows across the full record; 55 carry an S&S flag and $46,060 appears in current assessed amounts.
3. **HEALTH — 7 samples:** Occupational health samples 7 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 4K employee hours and 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 86 linked rows:** Contests, conferences and decisions 37 contested-violation rows, 37 civil-penalty docket/decision rows, and 12 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 — 25 since 2021:** Inspections 108 inspection events and 963 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 46.7 — New task training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7
- **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
- **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 56.12030 — Correction of dangerous conditions.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 62.130 — Permissible exposure level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **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 56.11009 — Walkways along conveyors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11009

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2024-01-18 through 2025-05-13; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2021-08-04 through 2021-08-04; source ID `msha-addresses`
- **Assessed Violations:** 131 rows; 2000-03-30 through 2025-10-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 37 rows; 2013-02-22 through 2015-02-27; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 12 rows; 2002-03-18 through 2002-09-10; source ID `msha-conferences`
- **Contested Violations:** 37 rows; 2011-12-05 through 2014-02-05; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1985-05-01 through 2021-07-14; source ID `msha-controller-operator-history`
- **Inspections:** 108 rows; 2000-01-13 through 2026-08-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 28 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 61 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:** 7 rows; 2003-02-03 through 2025-10-30; source ID `msha-personal-health-samples`
- **Violations:** 134 rows; 2000-03-30 through 2025-10-29; 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/productora-de-agregados-isabela-5400280`
- JSON: `/api/v1/mines/productora-de-agregados-isabela-5400280`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/5400280/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/5400280/relationships`
- MCP resource: `mine://5400280/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`