# SLATE HILL SAND & GRAVEL

- **MSHA mine ID:** 3000930
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Orange, NY
- **Operator:** E. Tetz & Sons LLC
- **Controller:** Peckham Industries Inc
- **Public source rows linked:** 738
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Peckham Industries Inc (M00356) → E. Tetz & Sons LLC (L10256) → SLATE HILL SAND & GRAVEL (3000930)**

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

## Controller and operator valid-time history

- **Sylvester V  Helhoski → Helhoski Sand & Gravel Company:** 1950-01-01 through 1979-08-31; derived from co-tenure at mine 3000930; source `msha-controller-operator-history`.
- **Edward  Tetz Jr → Slate Hill Sand & Gravel Inc:** 1979-09-01 through 2002-08-28; derived from co-tenure at mine 3000930; source `msha-controller-operator-history`.
- **Edward  Tetz Jr → E. Tetz & Sons LLC:** 2002-08-29 through 2023-05-31; derived from co-tenure at mine 3000930; source `msha-controller-operator-history`.
- **Peckham Industries Inc → E. Tetz & Sons LLC:** 2023-06-01 through current/open; derived from co-tenure at mine 3000930; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 — 1 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 164 lost days across the published record.
2. **COMPLIANCE — 35 since 2021:** Violations and penalties 145 violation rows across the full record; 30 carry an S&S flag and $23,658 appears in current assessed amounts.
3. **HEALTH — 21 samples:** Occupational health samples 21 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 5K employee hours and 8 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 30 linked rows:** Contests, conferences and decisions 13 contested-violation rows, 12 civil-penalty docket/decision rows, and 5 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 15 since 2021:** Inspections 67 inspection events and 943 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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **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 56.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003
- **30 CFR 56.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104
- **30 CFR 56.12032 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.4130 — Electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4130
- **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.** (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:** 3 rows; 2013-09-09 through 2024-08-01; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1982-12-29 through 1982-12-29; source ID `msha-addresses`
- **Assessed Violations:** 145 rows; 2000-03-14 through 2026-08-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 12 rows; 2010-09-03 through 2013-03-20; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2017-07-21 through 2022-06-13; source ID `msha-conferences`
- **Contested Violations:** 13 rows; 2009-07-01 through 2011-04-05; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 209 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 34 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2002-08-29; source ID `msha-controller-operator-history`
- **Inspections:** 67 rows; 2000-03-14 through 2026-08-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 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:** 21 rows; 2005-06-07 through 2026-08-10; source ID `msha-personal-health-samples`
- **Violations:** 145 rows; 2000-03-14 through 2026-08-08; 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/slate-hill-sand-gravel-3000930`
- JSON: `/api/v1/mines/slate-hill-sand-gravel-3000930`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3000930/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3000930/relationships`
- MCP resource: `mine://3000930/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`