# Hazemag #2122

- **MSHA mine ID:** 2002925
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Grand Traverse, MI
- **Operator:** Elmer's Crane and Dozer, Inc.
- **Controller:** RR Holdco, Inc.
- **Public source rows linked:** 186
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**RR Holdco, Inc. (0180601) → Elmer's Crane and Dozer, Inc. (L13257) → Hazemag #2122 (2002925)**

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

## Controller and operator valid-time history

- **Troy L  Broad et al → Elmer's Crane and Dozer, Inc.:** 1994-05-01 through 2023-05-31; derived from co-tenure at mine 2002925; source `msha-controller-operator-history`.
- **RR Holdco, Inc. → Elmer's Crane and Dozer, Inc.:** 2023-06-01 through current/open; derived from co-tenure at mine 2002925; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- 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 — 3 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 3 since 2021:** Violations and penalties 14 violation rows across the full record; 2 carry an S&S flag and $1,642 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 — 0 tons:** Quarterly production and employment 6K employee hours and 10 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 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 — 6 since 2021:** Inspections 16 inspection events and 241 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 56.14107 — Moving machine parts.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **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 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 56.12032 — 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 56.4601 — Oxygen cylinder storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4601
- **30 CFR 56.13011 — Air receiver tanks.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13011
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2021-05-21 through 2026-05-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-04-15 through 2016-04-15; source ID `msha-addresses`
- **Assessed Violations:** 14 rows; 2014-05-06 through 2025-12-09; source ID `msha-assessed-violations`
- **Controller and Operator History:** 2 rows; 1994-05-01 through 1994-05-01; source ID `msha-controller-operator-history`
- **Inspections:** 16 rows; 2014-04-22 through 2025-12-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 100 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 26 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; 2014-05-07 through 2025-12-10; source ID `msha-personal-health-samples`
- **Violations:** 14 rows; 2014-05-06 through 2025-12-09; 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/hazemag-2122-2002925`
- JSON: `/api/v1/mines/hazemag-2122-2002925`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2002925/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2002925/relationships`
- MCP resource: `mine://2002925/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`