# Preferred Sands of Genoa

- **MSHA mine ID:** 2501243
- **Status:** Active
- **Type / commodity:** Facility / Sand, Common
- **Location:** Nance, NE
- **Operator:** Preferred Proppants LLC.
- **Controller:** Preferred Intermediate Holding Company, LLC
- **Public source rows linked:** 4,135
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Preferred Intermediate Holding Company, LLC (0118941) → Preferred Proppants LLC. (0139833) → Preferred Sands of Genoa (2501243)**

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

## Controller and operator valid-time history

- **Mike  O'Neill et al → Preferred Sands of Genoa LLC:** 2008-04-23 through 2015-07-13; derived from co-tenure at mine 2501243; source `msha-controller-operator-history`.
- **Preferred Intermediate Holding Company, LLC → Preferred Proppants LLC.:** 2015-07-14 through current/open; derived from co-tenure at mine 2501243; 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 13 since 2021:** Accidents and injuries 59 historical accident/injury rows; 0 coded fatalities and 510 lost days across the published record.
2. **COMPLIANCE — 89 since 2021:** Violations and penalties 285 violation rows across the full record; 52 carry an S&S flag and $126,715 appears in current assessed amounts.
3. **HEALTH — 36 samples:** Occupational health samples 36 personal. 7 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 40K employee hours and 72 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 62 linked rows:** Contests, conferences and decisions 27 contested-violation rows, 27 civil-penalty docket/decision rows, and 8 conference records linked by issuance number.
6. **CONTRACTORS — 15 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 — 21 since 2021:** Inspections 67 inspection events and 2K 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 56.5001 — Exposure limits for airborne contaminants.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001
- **30 CFR 56.4011 — Abandoned electric circuits.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4011
- **30 CFR 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.14132 — Horns and backup alarms.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.14201 — Conveyor start-up warnings.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14201
- **30 CFR 56.4130 — Electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4130
- **30 CFR 56.14214 — Train warnings.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14214

## Source coverage

- **Accident, Injuries, and Illnesses:** 59 rows; 2008-05-27 through 2026-03-22; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2008-04-22 through 2008-04-22; source ID `msha-addresses`
- **Assessed Violations:** 282 rows; 2008-04-23 through 2026-08-10; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 27 rows; 2009-07-16 through 2025-07-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 8 rows; 2008-05-08 through 2015-09-21; source ID `msha-conferences`
- **Contested Violations:** 27 rows; 2008-05-13 through 2023-02-22; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,699 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 451 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2008-04-23 through 2015-07-14; source ID `msha-controller-operator-history`
- **Inspections:** 67 rows; 2008-04-23 through 2026-09-21; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 150 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 40 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:** 36 rows; 2008-05-14 through 2026-09-22; source ID `msha-personal-health-samples`
- **Violations:** 285 rows; 2008-04-23 through 2026-10-12; 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/preferred-sands-of-genoa-2501243`
- JSON: `/api/v1/mines/preferred-sands-of-genoa-2501243`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2501243/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2501243/relationships`
- MCP resource: `mine://2501243/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`