# SUN CITY PLANT

- **MSHA mine ID:** 0200632
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Maricopa, AZ
- **Operator:** CalMat Co
- **Controller:** Vulcan Materials Company
- **Public source rows linked:** 1,039
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Vulcan Materials Company (0071891) → CalMat Co (L16645) → SUN CITY PLANT (0200632)**

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

## Controller and operator valid-time history

- **California Portland Cement Company → Arizona Sand & Rock Company:** 1950-01-01 through 1983-08-31; derived from co-tenure at mine 0200632; source `msha-controller-operator-history`.
- **Calmat Company → Calmat Company Of Arizona:** 1983-09-01 through 1999-01-05; derived from co-tenure at mine 0200632; source `msha-controller-operator-history`.
- **Legacy Vulcan Corp (Form:Vulcan Materials Co) → Calmat Company Of Arizona:** 1999-01-06 through 2004-01-06; derived from co-tenure at mine 0200632; source `msha-controller-operator-history`.
- **Legacy Vulcan Corp (Form:Vulcan Materials Co) → CalMat Co:** 2004-01-07 through 2007-11-15; derived from co-tenure at mine 0200632; source `msha-controller-operator-history`.
- **Vulcan Materials Company → Calmat Company Of Arizona:** 2007-11-16 through 2004-01-06; derived from co-tenure at mine 0200632; source `msha-controller-operator-history`.
- **Vulcan Materials Company → CalMat Co:** 2007-11-16 through current/open; derived from co-tenure at mine 0200632; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 14
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 19 historical accident/injury rows; 0 coded fatalities and 121 lost days across the published record.
2. **COMPLIANCE — 5 since 2021:** Violations and penalties 91 violation rows across the full record; 19 carry an S&S flag and $15,689 appears in current assessed amounts.
3. **HEALTH — 30 samples:** Occupational health samples 26 personal; 4 area. 1 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 15K employee hours and 26 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 23 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 11 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 12 since 2021:** Inspections 70 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 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.14200 — Warnings prior to starting or moving equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14200
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 56.12008 — 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 56.15020 — 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 56.12034 — Guarding around lights.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12034
- **30 CFR 56.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028

## Source coverage

- **Accident, Injuries, and Illnesses:** 19 rows; 2000-03-27 through 2019-02-27; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2010-11-15 through 2010-11-15; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 4 rows; 2008-07-01 through 2013-04-16; source ID `msha-area-samples`
- **Assessed Violations:** 89 rows; 2000-08-16 through 2025-08-25; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2009-01-14 through 2024-08-07; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 11 rows; 2001-06-26 through 2019-06-07; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2007-01-25 through 2023-12-20; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 365 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 80 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1950-01-01 through 2004-01-07; source ID `msha-controller-operator-history`
- **Inspections:** 70 rows; 2000-08-15 through 2026-09-21; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 210 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 26 rows; 2001-05-22 through 2025-01-07; source ID `msha-personal-health-samples`
- **Violations:** 91 rows; 2000-08-16 through 2025-08-25; 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/sun-city-plant-0200632`
- JSON: `/api/v1/mines/sun-city-plant-0200632`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0200632/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0200632/relationships`
- MCP resource: `mine://0200632/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`