# Specialty Granules (Ione)  LLC

- **MSHA mine ID:** 0405533
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Amador, CA
- **Operator:** Specialty Granules (Ione) LLC
- **Controller:** Specialty Granules LLC
- **Public source rows linked:** 2,706
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Specialty Granules LLC (M00639) → Specialty Granules (Ione) LLC (0050626) → Specialty Granules (Ione)  LLC (0405533)**

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

## Controller and operator valid-time history

- **Specialty Granules LLC → Specialty Granules (Ione) LLC:** 2002-04-29 through current/open; derived from co-tenure at mine 0405533; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 16 since 2021:** Accidents and injuries 57 historical accident/injury rows; 0 coded fatalities and 983 lost days across the published record.
2. **COMPLIANCE — 79 since 2021:** Violations and penalties 334 violation rows across the full record; 74 carry an S&S flag and $83,375 appears in current assessed amounts.
3. **HEALTH — 40 samples:** Occupational health samples 40 personal. 10 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 12K employee hours and 21 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 24 linked rows:** Contests, conferences and decisions 12 contested-violation rows, 12 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 17 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 — 22 since 2021:** Inspections 93 inspection events and 2K 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 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.12013 — Splices and repairs of power cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12013
- **30 CFR 56.20003 — Housekeeping.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.12038 — Attachment of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12038
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.20013 — Waste receptacles.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20013

## Source coverage

- **Accident, Injuries, and Illnesses:** 57 rows; 2002-10-24 through 2025-12-03; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2002-04-29 through 2002-04-29; source ID `msha-addresses`
- **Assessed Violations:** 332 rows; 2002-08-27 through 2026-04-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 12 rows; 2010-05-20 through 2019-07-17; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 12 rows; 2009-01-27 through 2019-01-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,454 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 315 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2002-04-29 through 2002-04-29; source ID `msha-controller-operator-history`
- **Inspections:** 93 rows; 2002-08-27 through 2026-06-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 4 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 50 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:** 40 rows; 2002-08-27 through 2026-06-24; source ID `msha-personal-health-samples`
- **Violations:** 334 rows; 2002-08-27 through 2026-04-08; 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/specialty-granules-ione-llc-0405533`
- JSON: `/api/v1/mines/specialty-granules-ione-llc-0405533`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0405533/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0405533/relationships`
- MCP resource: `mine://0405533/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`