# LOWER SPRINGS QUARRY LLC

- **MSHA mine ID:** 3301351
- **Status:** NonProducing
- **Type / commodity:** Surface / Sand, Industrial NEC
- **Location:** Tuscarawas, OH
- **Operator:** LOWER SPRINGS QUARRY LLC
- **Controller:** Matthew G  Maendel
- **Public source rows linked:** 706
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Matthew G  Maendel (0043925) → LOWER SPRINGS QUARRY LLC (0172353) → LOWER SPRINGS QUARRY LLC (3301351)**

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

## Controller and operator valid-time history

- **ITT Corp → Pennsylvania Glass Sand Corp:** 1950-01-01 through 1986-05-14; derived from co-tenure at mine 3301351; source `msha-controller-operator-history`.
- **Rio Tinto Group → U S Silica Company:** 1986-05-15 through 1996-03-08; derived from co-tenure at mine 3301351; source `msha-controller-operator-history`.
- **USS Holdings Inc → U.S. Silica Company:** 1996-03-09 through 2004-05-31; derived from co-tenure at mine 3301351; source `msha-controller-operator-history`.
- **Matthew G  Maendel → Regeneration Materials:** 2004-06-01 through 2020-06-25; derived from co-tenure at mine 3301351; source `msha-controller-operator-history`.
- **Matthew G  Maendel → Lower Springs Quarry LLC:** 2020-06-26 through current/open; derived from co-tenure at mine 3301351; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 15
- 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 — 27 since 2021:** Violations and penalties 109 violation rows across the full record; 29 carry an S&S flag and $25,176 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 40 linked rows:** Contests, conferences and decisions 18 contested-violation rows, 18 civil-penalty docket/decision rows, and 4 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 — 13 since 2021:** Inspections 55 inspection events and 783 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 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.14115 — Stationary grinding machines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14115
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **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 56.15003 — 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 56.14132 — 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 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 56.15004 — Eye protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15004

## Source coverage

- **Addresses of Record:** 1 rows; 2026-09-28 through 2026-09-28; source ID `msha-addresses`
- **Assessed Violations:** 108 rows; 2007-11-27 through 2025-09-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 18 rows; 2017-11-28 through 2024-02-26; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 4 rows; 2019-11-19 through 2019-11-19; source ID `msha-conferences`
- **Contested Violations:** 18 rows; 2017-04-19 through 2023-06-26; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 50 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 11 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2020-06-26; source ID `msha-controller-operator-history`
- **Inspections:** 55 rows; 2000-10-02 through 2026-09-21; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 243 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 62 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; 2002-07-23 through 2022-03-08; source ID `msha-personal-health-samples`
- **Violations:** 109 rows; 2007-11-27 through 2025-09-24; 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/lower-springs-quarry-llc-3301351`
- JSON: `/api/v1/mines/lower-springs-quarry-llc-3301351`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3301351/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3301351/relationships`
- MCP resource: `mine://3301351/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`