# West Florida Aggregate

- **MSHA mine ID:** 0800728
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Hernando, FL
- **Operator:** West Coast Aggregate LLC
- **Controller:** Shade, LP
- **Public source rows linked:** 1,838
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Shade, LP (0122561) → West Coast Aggregate LLC (0142954) → West Florida Aggregate (0800728)**

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

## Controller and operator valid-time history

- **E R Jahna  Industries Inc → E R Jahna Industries Inc:** 1950-01-01 through 2016-01-05; derived from co-tenure at mine 0800728; source `msha-controller-operator-history`.
- **Shade, LP → West Coast Aggregate LLC:** 2016-01-06 through current/open; derived from co-tenure at mine 0800728; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 — 2 since 2021:** Accidents and injuries 15 historical accident/injury rows; 0 coded fatalities and 570 lost days across the published record.
2. **COMPLIANCE — 29 since 2021:** Violations and penalties 142 violation rows across the full record; 31 carry an S&S flag and $32,789 appears in current assessed amounts.
3. **HEALTH — 34 samples:** Occupational health samples 34 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 9K employee hours and 12 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 11 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 8 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 — 16 since 2021:** Inspections 87 inspection events and 1K 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 56.14100 — Safety defects; examination, correction and records.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **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 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 56.12016 — Work on electrically-powered equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12016
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 15 rows; 2000-02-21 through 2023-12-29; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1974-09-30 through 1974-09-30; source ID `msha-addresses`
- **Assessed Violations:** 140 rows; 2000-03-14 through 2026-03-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2011-12-15 through 2024-06-18; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2011-01-26 through 2011-01-26; source ID `msha-conferences`
- **Contested Violations:** 5 rows; 2011-01-03 through 2023-01-31; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 876 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 184 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 2016-01-06; source ID `msha-controller-operator-history`
- **Inspections:** 87 rows; 2000-03-14 through 2026-09-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 280 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 65 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:** 34 rows; 2001-10-04 through 2026-03-11; source ID `msha-personal-health-samples`
- **Violations:** 142 rows; 2000-03-14 through 2026-03-05; 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/west-florida-aggregate-0800728`
- JSON: `/api/v1/mines/west-florida-aggregate-0800728`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0800728/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0800728/relationships`
- MCP resource: `mine://0800728/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`