# Santan Pit

- **MSHA mine ID:** 0202116
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Pinal, AZ
- **Operator:** Gila River Sand & Gravel Corporation
- **Controller:** Gila River Indian Community
- **Public source rows linked:** 1,903
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Gila River Indian Community (0056111) → Gila River Sand & Gravel Corporation (0051143) → Santan Pit (0202116)**

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

## Controller and operator valid-time history

- **Tanner Companies → Tanner Companies:** 1982-10-01 through 1987-08-31; derived from co-tenure at mine 0202116; source `msha-controller-operator-history`.
- **Ashland Inc → Tanner Companies:** 1987-09-01 through 1994-07-12; derived from co-tenure at mine 0202116; source `msha-controller-operator-history`.
- **Peter Kiewit Sons' Inc → United Metro Materials Inc:** 1994-07-13 through 2002-06-30; derived from co-tenure at mine 0202116; source `msha-controller-operator-history`.
- **Gila River Indian Community → Gila River Sand & Gravel Corporation:** 2002-07-01 through current/open; derived from co-tenure at mine 0202116; 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 — 6 since 2021:** Accidents and injuries 15 historical accident/injury rows; 0 coded fatalities and 77 lost days across the published record.
2. **COMPLIANCE — 24 since 2021:** Violations and penalties 144 violation rows across the full record; 32 carry an S&S flag and $49,321 appears in current assessed amounts.
3. **HEALTH — 23 samples:** Occupational health samples 23 personal. 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 45K employee hours and 96 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 51 linked rows:** Contests, conferences and decisions 23 contested-violation rows, 25 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 68 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 47.41 — Requirement for container labels.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **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 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20
- **30 CFR 56.12006 — Distribution boxes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12006
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.4531 — Flammable or combustible liquid storage buildings or rooms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4531
- **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 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
- **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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101

## Source coverage

- **Accident, Injuries, and Illnesses:** 15 rows; 2003-09-30 through 2026-04-01; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1987-11-30 through 1987-11-30; source ID `msha-addresses`
- **Assessed Violations:** 143 rows; 2000-07-27 through 2026-03-19; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 25 rows; 2001-09-28 through 2025-06-16; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2003-09-11 through 2003-09-11; source ID `msha-conferences`
- **Contested Violations:** 23 rows; 2006-03-27 through 2026-03-19; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 985 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 202 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1982-10-01 through 2002-07-01; source ID `msha-controller-operator-history`
- **Inspections:** 68 rows; 2000-04-04 through 2026-09-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 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:** 23 rows; 2010-11-09 through 2024-12-11; source ID `msha-personal-health-samples`
- **Violations:** 144 rows; 2000-07-27 through 2026-03-19; 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/santan-pit-0202116`
- JSON: `/api/v1/mines/santan-pit-0202116`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0202116/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0202116/relationships`
- MCP resource: `mine://0202116/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`