# AMELIA BARITE PLANT

- **MSHA mine ID:** 1600825
- **Status:** Active
- **Type / commodity:** Facility / Barite Barium Ore
- **Location:** Assumption, LA
- **Operator:** M-I L L C
- **Controller:** Schlumberger Ltd
- **Public source rows linked:** 604
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Schlumberger Ltd (M10297) → M-I L L C (L13501) → AMELIA BARITE PLANT (1600825)**

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

## Controller and operator valid-time history

- **Galveston Houston Company → G H Fluid Services Inc:** 1950-01-01 through 1981-03-09; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.
- **Dow Chemical Company → Dowell Div/Dow Chemical U S A:** 1981-03-10 through 1985-01-08; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.
- **Dowell Schlumberger Inc → Dowell Schlumberger Inc:** 1985-01-09 through 1985-04-23; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.
- **Hughes Tool Company et al → Hughes Drilling Fluids:** 1985-04-24 through 1988-02-11; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.
- **W R Grace & Company et al → Hughes Drilling Fluids:** 1985-04-24 through 1988-02-11; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.
- **English China Clays PLC → International Drilling Fluids Inc:** 1988-02-12 through 1991-07-15; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.
- **New London PLC → International Drilling Fluids Inc:** 1991-07-16 through 1992-11-30; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.
- **Dresser Industries Inc et al → M-I Drilling Fluids Company:** 1992-12-01 through 1994-02-27; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.
- **Halliburton Co et al → M-I Drilling Fluids Company:** 1992-12-01 through 1994-02-27; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.
- **Schlumberger Ltd → M-I L L C:** 1994-02-28 through current/open; derived from co-tenure at mine 1600825; source `msha-controller-operator-history`.

- History rows: 10
- Typed edges: 26
- 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 — 0 since 2021:** Accidents and injuries 7 historical accident/injury rows; 0 coded fatalities and 164 lost days across the published record.
2. **COMPLIANCE — 28 since 2021:** Violations and penalties 101 violation rows across the full record; 25 carry an S&S flag and $23,736 appears in current assessed amounts.
3. **HEALTH — 53 samples:** Occupational health samples 53 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 10K employee hours and 14 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 12 since 2021:** Inspections 65 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 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12018 — Identification of power switches.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **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 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **30 CFR 56.12032 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **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 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.3401 — Examination of ground conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3401
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2002-01-15 through 2014-01-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1988-02-12 through 1988-02-12; source ID `msha-addresses`
- **Assessed Violations:** 100 rows; 2000-11-07 through 2026-05-26; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2014-04-24 through 2014-04-24; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 1 rows; 2013-10-16 through 2013-10-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 156 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 30 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 10 rows; 1950-01-01 through 1994-02-28; source ID `msha-controller-operator-history`
- **Inspections:** 65 rows; 2000-11-07 through 2026-05-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 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:** 53 rows; 2000-11-08 through 2025-09-23; source ID `msha-personal-health-samples`
- **Violations:** 101 rows; 2000-11-07 through 2026-05-26; 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/amelia-barite-plant-1600825`
- JSON: `/api/v1/mines/amelia-barite-plant-1600825`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1600825/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1600825/relationships`
- MCP resource: `mine://1600825/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`