# Kleemann MS15Z-AD

- **MSHA mine ID:** 0504968
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Fremont, CO
- **Operator:** Rocky Mountain Landscape Materials, LLC
- **Controller:** Danny  Tezak; Rhonda  Lewis
- **Public source rows linked:** 292
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Danny  Tezak; Rhonda  Lewis (0122981) → Rocky Mountain Landscape Materials, LLC (0112045) → Kleemann MS15Z-AD (0504968)**

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

## Controller and operator valid-time history

- **Edward J  Tezak → Rocky Mountain Landscape Materials, LLC:** 2010-07-28 through 2013-08-05; derived from co-tenure at mine 0504968; source `msha-controller-operator-history`.
- **Kathleen  Tezak et al → Rocky Mountain Landscape Materials, LLC:** 2013-08-06 through 2014-12-31; derived from co-tenure at mine 0504968; source `msha-controller-operator-history`.
- **Danny  Tezak et al → Rocky Mountain Landscape Materials, LLC:** 2013-08-06 through 2014-12-31; derived from co-tenure at mine 0504968; source `msha-controller-operator-history`.
- **Rhonda  Lewis et al → Rocky Mountain Landscape Materials, LLC:** 2015-01-01 through current/open; derived from co-tenure at mine 0504968; source `msha-controller-operator-history`.
- **Danny  Tezak et al → Rocky Mountain Landscape Materials, LLC:** 2015-01-01 through current/open; derived from co-tenure at mine 0504968; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 9
- 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 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 10 since 2021:** Violations and penalties 29 violation rows across the full record; 4 carry an S&S flag and $3,915 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 — 9 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 5 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 17 since 2021:** Inspections 40 inspection events and 383 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 46.12 — Responsibility for independent contractor training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.12
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.14211 — Blocking equipment in a raised position.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14211
- **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 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **30 CFR 56.9100 — Traffic control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9100
- **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 56.4201 — Inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 46.4 — Training plan implementation.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.4
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2016-09-29 through 2016-09-29; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-06-29 through 2020-06-29; source ID `msha-addresses`
- **Assessed Violations:** 29 rows; 2010-07-28 through 2026-04-21; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; unknown through unknown; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2015-12-04 through 2022-06-30; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2026-04-21 through 2026-04-21; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 122 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 29 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2010-07-28 through 2010-07-28; source ID `msha-controller-operator-history`
- **Inspections:** 40 rows; 2010-07-28 through 2026-04-21; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 17 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; 2010-09-09 through 2025-11-20; source ID `msha-personal-health-samples`
- **Violations:** 29 rows; 2010-07-28 through 2026-04-21; 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/kleemann-ms15z-ad-0504968`
- JSON: `/api/v1/mines/kleemann-ms15z-ad-0504968`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0504968/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0504968/relationships`
- MCP resource: `mine://0504968/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`