# Portable Crew #1

- **MSHA mine ID:** 2402239
- **Status:** Intermittent
- **Type / commodity:** Surface / Dimension Stone NEC
- **Location:** Sanders, MT
- **Operator:** Block Mountain Slate & Stone Inc
- **Controller:** Juan B  Lulack
- **Public source rows linked:** 240
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Juan B  Lulack (M14334) → Block Mountain Slate & Stone Inc (L18621) → Portable Crew #1 (2402239)**

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

## Controller and operator valid-time history

- **Juan B  Lulack → Block Mountain Slate & Stone Inc:** 2001-09-01 through current/open; derived from co-tenure at mine 2402239; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 4 since 2021:** Accidents and injuries 4 historical accident/injury rows; 0 coded fatalities and 10 lost days across the published record.
2. **COMPLIANCE — 10 since 2021:** Violations and penalties 32 violation rows across the full record; 5 carry an S&S flag and $3,909 appears in current assessed amounts.
3. **HEALTH — 11 samples:** Occupational health samples 11 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 503 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 3 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 — 10 since 2021:** Inspections 34 inspection events and 337 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.1000 — Notification of commencement of operations and closing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **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 56.15003 — Protective footwear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15003
- **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 46.3 — Training plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3
- **30 CFR 56.9300 — Berms or guardrails.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100

## Source coverage

- **Accident, Injuries, and Illnesses:** 4 rows; 2023-05-04 through 2025-11-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2001-09-07 through 2001-09-07; source ID `msha-addresses`
- **Assessed Violations:** 32 rows; 2005-06-02 through 2025-05-07; source ID `msha-assessed-violations`
- **Conferences:** 3 rows; 2016-05-17 through 2016-05-17; source ID `msha-conferences`
- **Controller and Operator History:** 1 rows; 2001-09-01 through 2001-09-01; source ID `msha-controller-operator-history`
- **Inspections:** 34 rows; 2002-10-22 through 2026-08-10; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 96 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 25 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:** 11 rows; 2011-04-21 through 2025-09-17; source ID `msha-personal-health-samples`
- **Violations:** 32 rows; 2005-06-02 through 2025-05-07; 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/portable-crew-1-2402239`
- JSON: `/api/v1/mines/portable-crew-1-2402239`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2402239/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2402239/relationships`
- MCP resource: `mine://2402239/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`