# Wedron Plant

- **MSHA mine ID:** 1101578
- **Status:** Active
- **Type / commodity:** Surface / Sand, Industrial NEC
- **Location:** La Salle, IL
- **Operator:** Wedron Silica LLC
- **Controller:** Iron Oak Energy Solutions LLC
- **Public source rows linked:** 6,785
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Iron Oak Energy Solutions LLC (0189021) → Wedron Silica LLC (L07440) → Wedron Plant (1101578)**

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

## Controller and operator valid-time history

- **Sherman County - KS → Wedron Silica Division:** 1950-01-01 through 1979-04-30; derived from co-tenure at mine 1101578; source `msha-controller-operator-history`.
- **Twentieth Century Fox → Wedron Silica Company:** 1979-05-01 through 1979-09-11; derived from co-tenure at mine 1101578; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Martin Marietta Aggregates:** 1979-09-12 through 1984-07-31; derived from co-tenure at mine 1101578; source `msha-controller-operator-history`.
- **Fairmount Santrol → Wedron Silica LLC:** 1984-08-01 through 2018-05-31; derived from co-tenure at mine 1101578; source `msha-controller-operator-history`.
- **S C R-Sibelco Nv et al → Wedron Silica LLC:** 2018-06-01 through 2020-12-31; derived from co-tenure at mine 1101578; source `msha-controller-operator-history`.
- **Covia Holdings LLC → Wedron Silica LLC:** 2021-01-01 through 2024-06-30; derived from co-tenure at mine 1101578; source `msha-controller-operator-history`.
- **New Covia Energy LLC → Wedron Silica LLC:** 2024-07-01 through 2024-07-12; derived from co-tenure at mine 1101578; source `msha-controller-operator-history`.
- **Iron Oak Energy Solutions LLC → Wedron Silica LLC:** 2024-07-13 through current/open; derived from co-tenure at mine 1101578; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 20
- 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 — 36 since 2021:** Accidents and injuries 120 historical accident/injury rows; 0 coded fatalities and 3,221 lost days across the published record.
2. **COMPLIANCE — 313 since 2021:** Violations and penalties 1,210 violation rows across the full record; 203 carry an S&S flag and $491,721 appears in current assessed amounts.
3. **HEALTH — 155 samples:** Occupational health samples 144 personal; 11 area. 10 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 98K employee hours and 176 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 437 linked rows:** Contests, conferences and decisions 201 contested-violation rows, 205 civil-penalty docket/decision rows, and 31 conference records linked by issuance number.
6. **CONTRACTORS — 35 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 — 34 since 2021:** Inspections 147 inspection events and 7K 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 56.20003 — 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 56.12004 — 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 56.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.16014 — Operator-carrying overhead cranes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16014
- **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 56.18002 — 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 56.9313 — Roadway maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9313
- **30 CFR 56.20008 — Toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20008
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 120 rows; 2000-07-11 through 2026-08-12; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1976-07-04 through 1976-07-04; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 11 rows; 2007-09-18 through 2021-09-01; source ID `msha-area-samples`
- **Assessed Violations:** 1,210 rows; 2000-01-18 through 2026-04-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 205 rows; 2002-09-09 through 2026-01-22; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 31 rows; 2001-07-13 through 2023-02-23; source ID `msha-conferences`
- **Contested Violations:** 201 rows; 2009-09-08 through 2024-05-06; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,499 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 598 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 8 rows; 1950-01-01 through 1984-08-01; source ID `msha-controller-operator-history`
- **Inspections:** 147 rows; 2000-01-18 through 2026-04-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 144 rows; 2001-02-14 through 2026-05-05; source ID `msha-personal-health-samples`
- **Violations:** 1,210 rows; 2000-01-18 through 2026-04-30; 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/wedron-plant-1101578`
- JSON: `/api/v1/mines/wedron-plant-1101578`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1101578/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1101578/relationships`
- MCP resource: `mine://1101578/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`