# PALMDALE SAND MINE

- **MSHA mine ID:** 0801216
- **Status:** Active
- **Type / commodity:** Surface / Sand, Common
- **Location:** Glades, FL
- **Operator:** CEMEX Construction Materials Florida, LLC
- **Controller:** Cemex S A
- **Public source rows linked:** 1,165
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Cemex S A (M09149) → CEMEX Construction Materials Florida, LLC (0106585) → PALMDALE SAND MINE (0801216)**

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

## Controller and operator valid-time history

- **Daniel R  Harper → Harper Brothers Inc:** 1994-03-01 through 1999-05-31; derived from co-tenure at mine 0801216; source `msha-controller-operator-history`.
- **Florida Rock Industries Inc → Florida Rock Industries Inc:** 1999-06-01 through 1999-12-02; derived from co-tenure at mine 0801216; source `msha-controller-operator-history`.
- **CSR Ltd → Rinker Materials Of Florida Inc:** 1999-12-03 through 2003-03-31; derived from co-tenure at mine 0801216; source `msha-controller-operator-history`.
- **Rinker Group Ltd → Rinker Materials Of Florida Inc:** 2003-04-01 through 2007-07-09; derived from co-tenure at mine 0801216; source `msha-controller-operator-history`.
- **Cemex S A → Rinker Materials Of Florida Inc:** 2007-07-10 through 2008-12-03; derived from co-tenure at mine 0801216; source `msha-controller-operator-history`.
- **Vulcan Materials Company → Florida Rock Industries Inc:** 2007-11-16 through 1999-12-02; derived from co-tenure at mine 0801216; source `msha-controller-operator-history`.
- **Cemex S A → CEMEX Construction Materials Florida, LLC:** 2008-12-04 through current/open; derived from co-tenure at mine 0801216; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 18
- Interval anomalies: 1
- 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 10 historical accident/injury rows; 0 coded fatalities and 331 lost days across the published record.
2. **COMPLIANCE — 13 since 2021:** Violations and penalties 103 violation rows across the full record; 26 carry an S&S flag and $23,929 appears in current assessed amounts.
3. **HEALTH — 33 samples:** Occupational health samples 33 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 6K employee hours and 8 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 27 linked rows:** Contests, conferences and decisions 9 contested-violation rows, 9 civil-penalty docket/decision rows, and 9 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 — 14 since 2021:** Inspections 79 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 56.18002 — 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 56.4201 — 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 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 56.15020 — Life jackets and belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15020
- **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 56.14100 — 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 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **30 CFR 47.42 — Label contents.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.42
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.12004 — 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 56.14130 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 10 rows; 2000-07-13 through 2023-03-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-05-11 through 2026-05-11; source ID `msha-addresses`
- **Assessed Violations:** 101 rows; 2000-01-05 through 2026-06-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2010-09-09 through 2016-02-29; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 9 rows; 2013-12-05 through 2017-11-22; source ID `msha-conferences`
- **Contested Violations:** 9 rows; 2009-10-15 through 2014-11-06; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 596 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 152 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1994-03-01 through 2008-12-04; source ID `msha-controller-operator-history`
- **Inspections:** 79 rows; 2000-01-05 through 2026-06-18; 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:** 43 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:** 33 rows; 2002-05-01 through 2024-11-08; source ID `msha-personal-health-samples`
- **Violations:** 103 rows; 2000-01-05 through 2026-06-18; 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/palmdale-sand-mine-0801216`
- JSON: `/api/v1/mines/palmdale-sand-mine-0801216`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0801216/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0801216/relationships`
- MCP resource: `mine://0801216/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`