# Ecology Grinding Plant

- **MSHA mine ID:** 4104847
- **Status:** Active
- **Type / commodity:** Surface / Clay, Ceramic, Refractory Mnls.
- **Location:** Brewster, TX
- **Operator:** Ecology Minerals Inc
- **Controller:** Kevin  Steinhauser; Nicole  Ponewash; Virginia  Steinhauser
- **Public source rows linked:** 205
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Kevin  Steinhauser; Nicole  Ponewash; Virginia  Steinhauser (0186441) → Ecology Minerals Inc (0115526) → Ecology Grinding Plant (4104847)**

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

## Controller and operator valid-time history

- **Ronald E  Steinhauser → Ecology Minerals Inc:** 2010-12-03 through 2023-12-31; derived from co-tenure at mine 4104847; source `msha-controller-operator-history`.
- **Nicole  Ponewash et al → Ecology Minerals Inc:** 2024-01-01 through current/open; derived from co-tenure at mine 4104847; source `msha-controller-operator-history`.
- **Virginia  Steinhauser et al → Ecology Minerals Inc:** 2024-01-01 through current/open; derived from co-tenure at mine 4104847; source `msha-controller-operator-history`.
- **Kevin  Steinhauser et al → Ecology Minerals Inc:** 2024-01-01 through current/open; derived from co-tenure at mine 4104847; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 7
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 15 since 2021:** Violations and penalties 50 violation rows across the full record; 4 carry an S&S flag and $5,958 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 6 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 — 13 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 9 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 13 since 2021:** Inspections 34 inspection events and 485 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 56.12018 — Identification of power switches.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.14206 — Securing movable parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14206
- **30 CFR 56.4101 — Warning signs.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **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 56.14201 — Conveyor start-up warnings.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14201
- **30 CFR 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 2010-12-06 through 2010-12-06; source ID `msha-addresses`
- **Assessed Violations:** 50 rows; 2010-12-14 through 2026-07-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2013-07-22 through 2013-07-22; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 9 rows; 2012-04-30 through 2016-10-19; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2012-05-15 through 2012-05-15; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 2010-12-03 through 2010-12-03; source ID `msha-controller-operator-history`
- **Inspections:** 34 rows; 2010-12-14 through 2026-07-29; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 46 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:** 6 rows; 2012-05-15 through 2018-01-17; source ID `msha-personal-health-samples`
- **Violations:** 50 rows; 2010-12-14 through 2026-07-29; 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/ecology-grinding-plant-4104847`
- JSON: `/api/v1/mines/ecology-grinding-plant-4104847`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104847/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104847/relationships`
- MCP resource: `mine://4104847/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`