# MBK Associates LLC

- **MSHA mine ID:** 3608563
- **Status:** Active
- **Type / commodity:** Surface / Dimension Stone NEC
- **Location:** Wayne, PA
- **Operator:** MBK Associates LLC
- **Controller:** Michael R Mirch; William F Mirch
- **Public source rows linked:** 549
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Michael R Mirch; William F Mirch (M11391) → MBK Associates LLC (L14966) → MBK Associates LLC (3608563)**

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

## Controller and operator valid-time history

- **William F Mirch et al → MBK Associates LLC:** 1996-05-01 through current/open; derived from co-tenure at mine 3608563; source `msha-controller-operator-history`.
- **Michael R Mirch et al → MBK Associates LLC:** 1996-05-01 through current/open; derived from co-tenure at mine 3608563; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 4
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 18 since 2021:** Violations and penalties 61 violation rows across the full record; 24 carry an S&S flag and $10,737 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 — 0 tons:** Quarterly production and employment 2K employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 1 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 — 14 since 2021:** Inspections 43 inspection events and 584 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 56.14132 — 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 56.14100 — Safety defects; examination, correction and records.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002
- **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
- **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 56.12006 — Distribution boxes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12006
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.3131 — Pit or quarry wall perimeter.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3131
- **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 56.20013 — Waste receptacles.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20013

## Source coverage

- **Addresses of Record:** 1 rows; 2017-04-03 through 2017-04-03; source ID `msha-addresses`
- **Assessed Violations:** 61 rows; 2004-04-29 through 2025-09-15; source ID `msha-assessed-violations`
- **Conferences:** 1 rows; 2012-05-08 through 2012-05-08; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 93 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 23 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1996-05-01 through 1996-05-01; source ID `msha-controller-operator-history`
- **Inspections:** 43 rows; 2000-08-08 through 2026-08-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 203 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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; 2014-11-13 through 2025-01-15; source ID `msha-personal-health-samples`
- **Violations:** 61 rows; 2004-04-29 through 2025-09-15; 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/mbk-associates-llc-3608563`
- JSON: `/api/v1/mines/mbk-associates-llc-3608563`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3608563/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3608563/relationships`
- MCP resource: `mine://3608563/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`