# QM-2

- **MSHA mine ID:** 4104093
- **Status:** Abandoned
- **Type / commodity:** Surface / Sand, Common
- **Location:** Montgomery, TX
- **Operator:** Quality Materials
- **Controller:** Larry  Hurley
- **Public source rows linked:** 284
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Larry  Hurley (0094455) → Quality Materials (L16312) → QM-2 (4104093)**

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

## Controller and operator valid-time history

- **Runnels Glen → Quality Materials:** 1999-07-01 through 2001-11-04; derived from co-tenure at mine 4104093; source `msha-controller-operator-history`.
- **Wayne  Webber → Quality Materials:** 2001-11-05 through 2010-06-17; derived from co-tenure at mine 4104093; source `msha-controller-operator-history`.
- **Larry  Hurley et al → Quality Materials:** 2010-06-18 through current/open; derived from co-tenure at mine 4104093; source `msha-controller-operator-history`.

- History rows: 3
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 62 violation rows across the full record; 20 carry an S&S flag and $11,329 appears in current assessed amounts.
3. **HEALTH — 5 samples:** Occupational health samples 5 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 — 0 tons:** Quarterly production and employment 16K employee hours and 19 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 10 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 0 since 2021:** Inspections 36 inspection events and 392 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 50.10 — Immediate notification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 46.8 — Annual refresher training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8
- **30 CFR 56.12034 — Guarding around lights.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12034
- **30 CFR 41.20 — Legal identity report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-C/section-41.20
- **30 CFR 62.120 — Action level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **30 CFR 62.130 — Permissible exposure level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **30 CFR 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2010-06-10 through 2010-06-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2010-11-23 through 2010-11-23; source ID `msha-addresses`
- **Assessed Violations:** 61 rows; 2000-08-15 through 2010-11-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2009-03-18 through 2010-05-12; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 5 rows; 2007-11-08 through 2009-06-18; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 4 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Controller and Operator History:** 3 rows; 1999-07-01 through 1999-07-01; source ID `msha-controller-operator-history`
- **Inspections:** 36 rows; 2000-08-15 through 2010-11-15; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 79 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 21 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:** 5 rows; 2005-06-22 through 2009-12-15; source ID `msha-personal-health-samples`
- **Violations:** 62 rows; 2000-08-15 through 2010-11-17; 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/qm-2-4104093`
- JSON: `/api/v1/mines/qm-2-4104093`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104093/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104093/relationships`
- MCP resource: `mine://4104093/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`