# DETROIT SALT MINE

- **MSHA mine ID:** 2000552
- **Status:** Active
- **Type / commodity:** Underground / Salt
- **Location:** Wayne, MI
- **Operator:** Detroit Salt Co LLC
- **Controller:** SCIH Salt Holdings, Inc
- **Public source rows linked:** 4,475
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**SCIH Salt Holdings, Inc (0162861) → Detroit Salt Co LLC (L15686) → DETROIT SALT MINE (2000552)**

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

## Controller and operator valid-time history

- **Akzo Nobel N V → Akzo Salt Inc:** 1950-01-01 through 1997-12-21; derived from co-tenure at mine 2000552; source `msha-controller-operator-history`.
- **Emanuel Z  Manos  et al → Detroit Salt Co LLC:** 1997-12-22 through 2010-10-31; derived from co-tenure at mine 2000552; source `msha-controller-operator-history`.
- **Janette  Ferrantino  et al → Detroit Salt Co LLC:** 1997-12-22 through 2010-10-31; derived from co-tenure at mine 2000552; source `msha-controller-operator-history`.
- **The Kissner Group → Detroit Salt Co LLC:** 2010-11-01 through 2021-04-29; derived from co-tenure at mine 2000552; source `msha-controller-operator-history`.
- **SCIH Salt Holdings, Inc → Detroit Salt Co LLC:** 2021-04-30 through current/open; derived from co-tenure at mine 2000552; source `msha-controller-operator-history`.

- History rows: 5
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 8 since 2021:** Accidents and injuries 25 historical accident/injury rows; 0 coded fatalities and 171 lost days across the published record.
2. **COMPLIANCE — 185 since 2021:** Violations and penalties 788 violation rows across the full record; 69 carry an S&S flag and $120,498 appears in current assessed amounts.
3. **HEALTH — 449 samples:** Occupational health samples 425 personal; 24 area. 56 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 67K employee hours and 125 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 146 linked rows:** Contests, conferences and decisions 54 contested-violation rows, 54 civil-penalty docket/decision rows, and 38 conference records linked by issuance number.
6. **CONTRACTORS — 10 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 — 39 since 2021:** Inspections 190 inspection events and 11K 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 57.12032 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12032
- **30 CFR 57.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12004
- **30 CFR 57.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12018
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 57.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14112
- **30 CFR 57.20032 — Two-way communication equipment for underground operations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20032
- **30 CFR 57.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14101
- **30 CFR 57.15007 — Protective equipment or clothing for welding, cutting, or working with molten metal.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15007
- **30 CFR 57.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4201
- **30 CFR 57.12005 — Protection of power conductors from mobile equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12005

## Source coverage

- **Accident, Injuries, and Illnesses:** 25 rows; 2000-03-09 through 2025-12-12; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1998-10-30 through 1998-10-30; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 24 rows; 2008-12-10 through 2024-11-13; source ID `msha-area-samples`
- **Assessed Violations:** 785 rows; 2000-05-31 through 2026-08-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 54 rows; 2009-04-27 through 2018-07-31; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 38 rows; 2004-03-31 through 2024-02-02; source ID `msha-conferences`
- **Contested Violations:** 54 rows; 2007-10-04 through 2018-01-04; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,381 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 305 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 1997-12-22; source ID `msha-controller-operator-history`
- **Inspections:** 190 rows; 2000-02-22 through 2026-08-03; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 425 rows; 2001-02-13 through 2025-09-23; source ID `msha-personal-health-samples`
- **Violations:** 788 rows; 2000-05-31 through 2026-08-04; 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/detroit-salt-mine-2000552`
- JSON: `/api/v1/mines/detroit-salt-mine-2000552`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2000552/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2000552/relationships`
- MCP resource: `mine://2000552/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`