# Kermit Sand

- **MSHA mine ID:** 4105310
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Winkler, TX
- **Operator:** Iron Oak Sand LLC
- **Controller:** Iron Oak Energy Solutions LLC
- **Public source rows linked:** 1,154
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Iron Oak Energy Solutions LLC (0189021) → Iron Oak Sand LLC (0174793) → Kermit Sand (4105310)**

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

## Controller and operator valid-time history

- **Fairmount Santrol → FML Sand LLC:** 2017-10-29 through 2018-05-31; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **S C R-Sibelco Nv et al → FML Sand LLC:** 2018-06-01 through 2020-02-19; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **S C R-Sibelco Nv et al → Covia Holdings Corporation:** 2020-02-20 through 2020-12-31; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **Covia Holdings LLC → FML Sand LLC:** 2021-01-01 through 2020-02-19; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **Covia Holdings LLC → FML Sand LLC:** 2021-01-01 through 2024-07-10; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **Covia Holdings LLC → Covia Holdings Corporation:** 2021-01-01 through 2020-12-31; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **S C R-Sibelco Nv et al → FML Sand LLC:** 2021-01-01 through 2020-12-31; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **Fairmount Santrol → FML Sand LLC:** 2021-01-01 through 2018-05-31; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **New Covia Energy LLC → FML Sand LLC:** 2024-07-11 through 2020-02-19; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **New Covia Energy LLC → FML Sand LLC:** 2024-07-11 through 2026-02-04; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **Covia Holdings LLC → Iron Oak Sand LLC:** 2026-02-05 through 2024-07-10; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **New Covia Energy LLC → Iron Oak Sand LLC:** 2026-02-05 through 2024-07-25; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.
- **Iron Oak Energy Solutions LLC → Iron Oak Sand LLC:** 2026-02-05 through current/open; derived from co-tenure at mine 4105310; source `msha-controller-operator-history`.

- History rows: 13
- Typed edges: 25
- Interval anomalies: 7
- 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 — 9 since 2021:** Accidents and injuries 15 historical accident/injury rows; 0 coded fatalities and 298 lost days across the published record.
2. **COMPLIANCE — 114 since 2021:** Violations and penalties 152 violation rows across the full record; 23 carry an S&S flag and $74,699 appears in current assessed amounts.
3. **HEALTH — 9 samples:** Occupational health samples 9 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 22 linked rows:** Contests, conferences and decisions 11 contested-violation rows, 11 civil-penalty docket/decision rows, and 0 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 — 28 since 2021:** Inspections 44 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 56.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003
- **30 CFR 56.12018 — Identification of power switches.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **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
- **30 CFR 56.13020 — Use of compressed air.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13020
- **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 56.20003 — 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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.13010 — Reciprocating-type air compressors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13010
- **30 CFR 56.12026 — Grounding transformer and switchgear enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12026

## Source coverage

- **Accident, Injuries, and Illnesses:** 15 rows; 2018-02-10 through 2025-09-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-10-05 through 2022-10-05; source ID `msha-addresses`
- **Assessed Violations:** 147 rows; 2018-01-16 through 2026-02-25; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 11 rows; 2018-10-05 through 2019-01-07; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 11 rows; 2018-02-07 through 2026-02-24; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 603 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 128 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 13 rows; 2017-10-29 through 2026-02-05; source ID `msha-controller-operator-history`
- **Inspections:** 44 rows; 2018-01-16 through 2026-05-15; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 19 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:** 9 rows; 2023-07-29 through 2026-03-03; source ID `msha-personal-health-samples`
- **Violations:** 152 rows; 2018-01-16 through 2026-02-25; 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/kermit-sand-4105310`
- JSON: `/api/v1/mines/kermit-sand-4105310`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4105310/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4105310/relationships`
- MCP resource: `mine://4105310/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`