# PENNSUCO QUARRY

- **MSHA mine ID:** 0800931
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Miami-Dade, FL
- **Operator:** Titan Florida LLC
- **Controller:** Titan Cement International S A
- **Public source rows linked:** 9,710
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Titan Cement International S A (M13647) → Titan Florida LLC (0051559) → PENNSUCO QUARRY (0800931)**

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

## Controller and operator valid-time history

- **Lone Star Industries Inc → Lone Star Florida Inc:** 1979-01-01 through 1984-12-27; derived from co-tenure at mine 0800931; source `msha-controller-operator-history`.
- **Tarmac Plc → Tarmac America Inc:** 1984-12-28 through 2000-10-02; derived from co-tenure at mine 0800931; source `msha-controller-operator-history`.
- **Titan Cement International S A → Tarmac Florida Inc:** 2000-10-03 through 2003-07-13; derived from co-tenure at mine 0800931; source `msha-controller-operator-history`.
- **Titan Cement International S A → Titan Florida LLC:** 2003-07-14 through current/open; derived from co-tenure at mine 0800931; source `msha-controller-operator-history`.

- History rows: 4
- 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 — 14 since 2021:** Accidents and injuries 127 historical accident/injury rows; 1 coded fatalities and 1,781 lost days across the published record.
2. **COMPLIANCE — 181 since 2021:** Violations and penalties 909 violation rows across the full record; 285 carry an S&S flag and $668,456 appears in current assessed amounts.
3. **HEALTH — 110 samples:** Occupational health samples 110 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 132K employee hours and 220 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 342 linked rows:** Contests, conferences and decisions 157 contested-violation rows, 157 civil-penalty docket/decision rows, and 28 conference records linked by issuance number.
6. **CONTRACTORS — 40 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 — 29 since 2021:** Inspections 121 inspection events and 5K 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 50.20-1 — General instructions for completing MSHA Form 7000-1.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20-1
- **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 56.4201 — 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 56.12004 — Electrical conductors.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **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 56.14209 — Safety procedures for towing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14209
- **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 56.9300 — 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 56.9101 — Operating speeds and control of equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9101

## Source coverage

- **Accident, Injuries, and Illnesses:** 127 rows; 2000-01-24 through 2026-08-29; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1979-11-16 through 1979-11-16; source ID `msha-addresses`
- **Assessed Violations:** 893 rows; 2000-03-29 through 2026-06-06; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 157 rows; 2005-04-15 through 2025-12-30; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 28 rows; 2005-11-30 through 2022-01-10; source ID `msha-conferences`
- **Contested Violations:** 157 rows; 2003-12-03 through 2025-01-29; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 5,705 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,177 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1979-01-01 through 2003-07-14; source ID `msha-controller-operator-history`
- **Inspections:** 121 rows; 2000-03-29 through 2026-07-28; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 264 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 56 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:** 110 rows; 2001-08-23 through 2024-01-29; source ID `msha-personal-health-samples`
- **Violations:** 909 rows; 2000-03-29 through 2026-09-01; 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/pennsuco-quarry-0800931`
- JSON: `/api/v1/mines/pennsuco-quarry-0800931`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0800931/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0800931/relationships`
- MCP resource: `mine://0800931/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`