# Cote Blanche Mine

- **MSHA mine ID:** 1600358
- **Status:** Active
- **Type / commodity:** Underground / Salt
- **Location:** Iberia, LA
- **Operator:** Compass Minerals Louisiana Inc.
- **Controller:** Compass Minerals International, Inc.
- **Public source rows linked:** 10,357
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Compass Minerals International, Inc. (0041473) → Compass Minerals Louisiana Inc. (0136233) → Cote Blanche Mine (1600358)**

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

## Controller and operator valid-time history

- **Domtar Inc → Domtar Industries Inc:** 1978-03-09 through 1990-11-20; derived from co-tenure at mine 1600358; source `msha-controller-operator-history`.
- **Harris Chemical Group → North American Salt Company:** 1990-11-21 through 1998-03-31; derived from co-tenure at mine 1600358; source `msha-controller-operator-history`.
- **IMC Global Inc → IMC Salt Inc:** 1998-04-01 through 2001-11-27; derived from co-tenure at mine 1600358; source `msha-controller-operator-history`.
- **Compass Minerals International, Inc. → North American Salt Company:** 2001-11-28 through 1998-03-31; derived from co-tenure at mine 1600358; source `msha-controller-operator-history`.
- **Compass Minerals International, Inc. → Compass Minerals America Inc.:** 2001-11-28 through 2014-10-30; derived from co-tenure at mine 1600358; source `msha-controller-operator-history`.
- **Harris Chemical Group → Compass Minerals America Inc.:** 2001-11-28 through 2001-11-27; derived from co-tenure at mine 1600358; source `msha-controller-operator-history`.
- **Compass Minerals International, Inc. → Compass Minerals Louisiana Inc.:** 2014-10-31 through current/open; derived from co-tenure at mine 1600358; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 17
- Interval anomalies: 2
- 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 — 42 since 2021:** Accidents and injuries 222 historical accident/injury rows; 2 coded fatalities and 4,769 lost days across the published record.
2. **COMPLIANCE — 521 since 2021:** Violations and penalties 2,254 violation rows across the full record; 636 carry an S&S flag and $1,048,211 appears in current assessed amounts.
3. **HEALTH — 233 samples:** Occupational health samples 219 personal; 14 area. 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 119K employee hours and 227 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 462 linked rows:** Contests, conferences and decisions 191 contested-violation rows, 198 civil-penalty docket/decision rows, and 73 conference records linked by issuance number.
6. **CONTRACTORS — 20 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 — 196 since 2021:** Inspections 778 inspection events and 22K 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 57.14100 — Safety defects; examination, correction and records.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14100
- **30 CFR 57.12004 — Electrical conductors.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12004
- **30 CFR 57.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3200
- **30 CFR 57.4201 — Inspection.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4201
- **30 CFR 57.14103 — Operators' stations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14103
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 222 rows; 2000-09-21 through 2026-09-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1983-06-17 through 1983-06-17; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 14 rows; 2021-09-15 through 2026-08-26; source ID `msha-area-samples`
- **Assessed Violations:** 2,182 rows; 2000-01-05 through 2026-05-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 198 rows; 2001-06-26 through 2026-10-06; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 73 rows; 2000-08-10 through 2021-09-10; source ID `msha-conferences`
- **Contested Violations:** 191 rows; 2004-07-28 through 2025-10-02; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 3,151 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 667 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1978-03-09 through 2014-10-31; source ID `msha-controller-operator-history`
- **Inspections:** 778 rows; 2000-01-04 through 2026-10-05; 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:** 219 rows; 2002-05-29 through 2026-08-26; source ID `msha-personal-health-samples`
- **Violations:** 2,254 rows; 2000-01-05 through 2026-08-26; 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/cote-blanche-mine-1600358`
- JSON: `/api/v1/mines/cote-blanche-mine-1600358`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1600358/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1600358/relationships`
- MCP resource: `mine://1600358/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`