# Custom Abrasives LLC

- **MSHA mine ID:** 1601207
- **Status:** Abandoned
- **Type / commodity:** Surface / Sand, Industrial NEC
- **Location:** Terrebonne, LA
- **Operator:** Custom Abrasives LLC
- **Controller:** Warren A  Michael
- **Public source rows linked:** 370
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Warren A  Michael (0041413) → Custom Abrasives LLC (0051049) → Custom Abrasives LLC (1601207)**

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

## Controller and operator valid-time history

- **Richard  Stockstill  et al → Custom Aggregates & Grinding Inc:** 1990-07-01 through 2001-11-30; derived from co-tenure at mine 1601207; source `msha-controller-operator-history`.
- **Huey  Stockstill  et al → Custom Aggregates & Grinding Inc:** 1990-07-01 through 2001-11-30; derived from co-tenure at mine 1601207; source `msha-controller-operator-history`.
- **Warren A  Michael → Custom Abrasives LLC:** 2001-12-01 through current/open; derived from co-tenure at mine 1601207; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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 — 0 since 2021:** Accidents and injuries 4 historical accident/injury rows; 0 coded fatalities and 125 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 77 violation rows across the full record; 28 carry an S&S flag and $20,335 appears in current assessed amounts.
3. **HEALTH — 24 samples:** Occupational health samples 24 personal. 3 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 4K employee hours and 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 1 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 0 since 2021:** Inspections 29 inspection events and 476 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 56.12034 — Guarding around lights.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12034
- **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 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 56.14213 — Ventilation and shielding for welding.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14213
- **30 CFR 56.12004 — Electrical conductors.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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 56.16006 — 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 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 4 rows; 2001-12-26 through 2008-02-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-07-05 through 2011-07-05; source ID `msha-addresses`
- **Assessed Violations:** 77 rows; 2000-08-29 through 2011-06-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2001-10-05 through 2001-10-05; source ID `msha-civil-penalty-dockets-decisions`
- **Controller and Operator History:** 3 rows; 1990-07-01 through 2001-12-01; source ID `msha-controller-operator-history`
- **Inspections:** 29 rows; 2000-08-29 through 2011-06-08; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 129 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 24 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:** 24 rows; 2001-01-25 through 2010-11-03; source ID `msha-personal-health-samples`
- **Violations:** 77 rows; 2000-08-29 through 2011-06-08; 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/custom-abrasives-llc-1601207`
- JSON: `/api/v1/mines/custom-abrasives-llc-1601207`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1601207/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1601207/relationships`
- MCP resource: `mine://1601207/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`