# Port Inland Lime Kiln

- **MSHA mine ID:** 2003356
- **Status:** Active
- **Type / commodity:** Facility / Lime
- **Location:** Schoolcraft, MI
- **Operator:** Graymont Western Lime Inc.
- **Controller:** Graymont Ltd
- **Public source rows linked:** 1,220
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Graymont Ltd (M00218) → Graymont Western Lime Inc. (L01459) → Port Inland Lime Kiln (2003356)**

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

## Controller and operator valid-time history

- **Michael  Nast et al → Graymont Western Lime Inc.:** 2006-04-26 through 2012-03-29; derived from co-tenure at mine 2003356; source `msha-controller-operator-history`.
- **Graymont Ltd → Graymont Western Lime Inc.:** 2012-03-30 through current/open; derived from co-tenure at mine 2003356; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- 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 — 2 since 2021:** Accidents and injuries 15 historical accident/injury rows; 0 coded fatalities and 80 lost days across the published record.
2. **COMPLIANCE — 10 since 2021:** Violations and penalties 71 violation rows across the full record; 10 carry an S&S flag and $8,023 appears in current assessed amounts.
3. **HEALTH — 70 samples:** Occupational health samples 70 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 5 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 55 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 46.3 — Training plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3
- **30 CFR 46.9 — Records of training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.12008 — Insulation and fittings for power wires and cables.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **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 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.12006 — Distribution boxes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12006

## Source coverage

- **Accident, Injuries, and Illnesses:** 15 rows; 2007-01-09 through 2024-01-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-05-22 through 2007-05-22; source ID `msha-addresses`
- **Assessed Violations:** 71 rows; 2006-04-27 through 2025-10-31; source ID `msha-assessed-violations`
- **Conferences:** 4 rows; 2007-04-25 through 2007-09-26; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 728 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 161 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2006-04-26 through 2006-04-26; source ID `msha-controller-operator-history`
- **Inspections:** 55 rows; 2006-04-27 through 2026-06-11; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 41 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:** 70 rows; 2008-07-22 through 2024-02-13; source ID `msha-personal-health-samples`
- **Violations:** 71 rows; 2006-04-27 through 2025-10-31; 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/port-inland-lime-kiln-2003356`
- JSON: `/api/v1/mines/port-inland-lime-kiln-2003356`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2003356/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2003356/relationships`
- MCP resource: `mine://2003356/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`