# Lippman Screener

- **MSHA mine ID:** 1701170
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** York, ME
- **Operator:** Genest Concrete Works Inc
- **Controller:** Matthew M Genest etal; Christopher R Genest etal; David B Genest etal
- **Public source rows linked:** 15
- **Source coverage:** 7 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Matthew M Genest etal; Christopher R Genest etal; David B Genest etal (0164541) → Genest Concrete Works Inc (L33556) → Lippman Screener (1701170)**

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

## Controller and operator valid-time history

- **Christopher R Genest etal → Genest Concrete Works Inc:** 2026-03-31 through current/open; derived from co-tenure at mine 1701170; source `msha-controller-operator-history`.
- **David B Genest etal → Genest Concrete Works Inc:** 2026-03-31 through current/open; derived from co-tenure at mine 1701170; source `msha-controller-operator-history`.
- **Matthew M Genest etal → Genest Concrete Works Inc:** 2026-03-31 through current/open; derived from co-tenure at mine 1701170; source `msha-controller-operator-history`.
- **Michael  Genest → Genest Concrete Works Inc:** 2026-03-31 through 2021-06-30; derived from co-tenure at mine 1701170; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 7
- Interval anomalies: 1
- 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 — 4 since 2021:** Violations and penalties 4 violation rows across the full record; 0 carry an S&S flag and $0 appears in current assessed amounts.
3. **HEALTH — 1 samples:** Occupational health samples 1 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 7 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 46.4 — 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 56.23003 — Requirements for written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23003
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 2026-04-06 through 2026-04-06; source ID `msha-addresses`
- **Controller and Operator History:** 4 rows; 2026-03-31 through 2026-03-31; source ID `msha-controller-operator-history`
- **Inspections:** 2 rows; 2026-09-16 through 2026-10-09; 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:** 1 rows; 2026-09-16 through 2026-09-16; source ID `msha-personal-health-samples`
- **Violations:** 4 rows; 2026-09-16 through 2026-09-17; 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/lippman-screener-1701170`
- JSON: `/api/v1/mines/lippman-screener-1701170`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1701170/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1701170/relationships`
- MCP resource: `mine://1701170/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`