# Newberry Mill

- **MSHA mine ID:** 0402634
- **Status:** Active
- **Type / commodity:** Facility / Common Clays NEC
- **Location:** San Bernardino, CA
- **Operator:** Elementis Specialties Inc
- **Controller:** Elementis Plc
- **Public source rows linked:** 577
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Elementis Plc (M11994) → Elementis Specialties Inc (L15736) → Newberry Mill (0402634)**

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

## Controller and operator valid-time history

- **Nl Industries Inc → Rheox Inc:** 1950-01-01 through 1998-01-29; derived from co-tenure at mine 0402634; source `msha-controller-operator-history`.
- **Elementis Plc → Elementis Specialties Inc:** 1998-01-30 through current/open; derived from co-tenure at mine 0402634; 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 — 5 since 2021:** Accidents and injuries 18 historical accident/injury rows; 0 coded fatalities and 602 lost days across the published record.
2. **COMPLIANCE — 19 since 2021:** Violations and penalties 86 violation rows across the full record; 13 carry an S&S flag and $12,450 appears in current assessed amounts.
3. **HEALTH — 15 samples:** Occupational health samples 15 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 8K employee hours and 21 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 64 inspection events and 1K 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 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20
- **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 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **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 56.4101 — 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 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 46.7 — New task training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7
- **30 CFR 56.14105 — Procedures during repairs or maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14105
- **30 CFR 56.12018 — Identification of power switches.** (3 retained recent rows) — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 18 rows; 2000-02-29 through 2026-07-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1976-03-14 through 1976-03-14; source ID `msha-addresses`
- **Assessed Violations:** 86 rows; 2000-08-09 through 2026-04-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2012-08-08 through 2012-08-08; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2003-01-14 through 2004-02-18; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2011-06-02 through 2011-06-02; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 28 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 6 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 1998-01-30; source ID `msha-controller-operator-history`
- **Inspections:** 64 rows; 2000-08-09 through 2026-04-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 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:** 15 rows; 2002-01-16 through 2026-04-17; source ID `msha-personal-health-samples`
- **Violations:** 86 rows; 2000-08-09 through 2026-04-16; 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/newberry-mill-0402634`
- JSON: `/api/v1/mines/newberry-mill-0402634`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0402634/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0402634/relationships`
- MCP resource: `mine://0402634/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`