# Macon Plant

- **MSHA mine ID:** 0900142
- **Status:** Active
- **Type / commodity:** Facility / Kaolin and Ball Clay
- **Location:** Twiggs, GA
- **Operator:** KaMin LLC
- **Controller:** IMin Partners
- **Public source rows linked:** 4,104
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**IMin Partners (0075071) → KaMin LLC (0089404) → Macon Plant (0900142)**

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

## Controller and operator valid-time history

- **J M Huber Corp → J M Huber Corp:** 1950-01-01 through 2008-04-21; derived from co-tenure at mine 0900142; source `msha-controller-operator-history`.
- **IMin Partners → KaMin LLC:** 2008-04-22 through current/open; derived from co-tenure at mine 0900142; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 46 historical accident/injury rows; 0 coded fatalities and 838 lost days across the published record.
2. **COMPLIANCE — 29 since 2021:** Violations and penalties 293 violation rows across the full record; 45 carry an S&S flag and $64,250 appears in current assessed amounts.
3. **HEALTH — 46 samples:** Occupational health samples 46 personal. 0 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 83K employee hours and 160 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 5 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 22 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 — 13 since 2021:** Inspections 79 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 56.14107 — Moving machine parts.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **30 CFR 56.12004 — Electrical conductors.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.12019 — Access to stationary electrical equipment or switchgear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12019

## Source coverage

- **Accident, Injuries, and Illnesses:** 46 rows; 2000-02-25 through 2026-05-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1973-09-26 through 1973-09-26; source ID `msha-addresses`
- **Assessed Violations:** 293 rows; 2000-02-15 through 2026-08-27; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2016-06-28 through 2018-03-26; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2013-09-13 through 2013-09-13; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2015-08-25 through 2017-09-20; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,554 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 518 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 2008-04-22; source ID `msha-controller-operator-history`
- **Inspections:** 79 rows; 2000-02-15 through 2026-08-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 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:** 46 rows; 2004-04-22 through 2025-09-03; source ID `msha-personal-health-samples`
- **Violations:** 293 rows; 2000-02-15 through 2026-08-27; 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/macon-plant-0900142`
- JSON: `/api/v1/mines/macon-plant-0900142`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0900142/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0900142/relationships`
- MCP resource: `mine://0900142/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`