# Masaba Wash Plant #532

- **MSHA mine ID:** 4703991
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Manitowoc, WI
- **Operator:** Badgerland Aggregates LLC
- **Controller:** Joshua R  Radant; Richard P  Lamers; Jeffrey M  Maples
- **Public source rows linked:** 12
- **Source coverage:** 7 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Joshua R  Radant; Richard P  Lamers; Jeffrey M  Maples (0116363) → Badgerland Aggregates LLC (0136814) → Masaba Wash Plant #532 (4703991)**

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

## Controller and operator valid-time history

- **Jeffrey M  Maples et al → Badgerland Aggregates LLC:** 2026-04-07 through current/open; derived from co-tenure at mine 4703991; source `msha-controller-operator-history`.
- **Joshua R  Radant et al → Badgerland Aggregates LLC:** 2026-04-07 through current/open; derived from co-tenure at mine 4703991; source `msha-controller-operator-history`.
- **Richard P  Lamers et al → Badgerland Aggregates LLC:** 2026-04-07 through current/open; derived from co-tenure at mine 4703991; source `msha-controller-operator-history`.

- History rows: 3
- 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: 2026-10-17T05:35:58.500035+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 — 1 since 2021:** Violations and penalties 1 violation rows across the full record; 0 carry an S&S flag and $0 appears in current assessed amounts.
3. **HEALTH — 2 samples:** Occupational health samples 2 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 — 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 — 2 since 2021:** Inspections 2 inspection events and 14 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 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101

## Source coverage

- **Addresses of Record:** 1 rows; 2026-04-07 through 2026-04-07; source ID `msha-addresses`
- **Controller and Operator History:** 3 rows; 2026-04-07 through 2026-04-07; source ID `msha-controller-operator-history`
- **Inspections:** 2 rows; 2026-06-22 through 2026-10-13; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 2 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:** 2 rows; 2026-06-23 through 2026-06-23; source ID `msha-personal-health-samples`
- **Violations:** 1 rows; 2026-10-13 through 2026-10-13; 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/masaba-wash-plant-532-4703991`
- JSON: `/api/v1/mines/masaba-wash-plant-532-4703991`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4703991/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4703991/relationships`
- MCP resource: `mine://4703991/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`