# Sidwell Materials, Inc.

- **MSHA mine ID:** 3300153
- **Status:** Abandoned
- **Type / commodity:** Facility / Crushed, Broken Limestone NEC
- **Location:** Muskingum, OH
- **Operator:** Sidwell Materials Inc
- **Controller:** Jeffrey R  Sidwell
- **Public source rows linked:** 1,243
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Jeffrey R  Sidwell (M11218) → Sidwell Materials Inc (L14743) → Sidwell Materials, Inc. (3300153)**

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

## Controller and operator valid-time history

- **Dale R  Sidwell et al → Sidwell Brothers Inc:** 1950-01-01 through 1997-03-31; derived from co-tenure at mine 3300153; source `msha-controller-operator-history`.
- **Jeffrey R  Sidwell → Sidwell Materials Inc:** 1997-04-01 through current/open; derived from co-tenure at mine 3300153; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 7 historical accident/injury rows; 0 coded fatalities and 185 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 56 violation rows across the full record; 13 carry an S&S flag and $5,845 appears in current assessed amounts.
3. **HEALTH — 147 samples:** Occupational health samples 147 personal. 1 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 4K employee hours and 16 summed average employees across reported subunits in the latest published quarter.
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 — 3 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 — 0 since 2021:** Inspections 34 inspection events and 616 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 56.16005 — 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 56.4201 — Inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **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 56.12068 — Locking transformer enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12068
- **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 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **30 CFR 56.15014 — Eye protection when operating grinding wheels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15014
- **30 CFR 47.51 — Requirement for an MSDS.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-F/section-47.51
- **30 CFR 56.16003 — Storage of hazardous materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16003

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2001-01-10 through 2010-02-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2017-05-30 through 2017-05-30; source ID `msha-addresses`
- **Assessed Violations:** 56 rows; 2000-03-20 through 2016-11-07; source ID `msha-assessed-violations`
- **Contractor Employment and Production — Quarterly:** 647 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 106 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 1997-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 34 rows; 2000-03-20 through 2016-11-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 147 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 39 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:** 147 rows; 2000-12-19 through 2016-11-08; source ID `msha-personal-health-samples`
- **Violations:** 56 rows; 2000-03-20 through 2016-11-07; 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/sidwell-materials-inc-3300153`
- JSON: `/api/v1/mines/sidwell-materials-inc-3300153`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3300153/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3300153/relationships`
- MCP resource: `mine://3300153/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`