# U.S. Lime Company-St. Clair

- **MSHA mine ID:** 3400282
- **Status:** Active
- **Type / commodity:** Underground / Lime
- **Location:** Sequoyah, OK
- **Operator:** U.S. Lime Company-St. Clair
- **Controller:** United States Lime & Minerals Inc
- **Public source rows linked:** 4,621
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**United States Lime & Minerals Inc (M08976) → U.S. Lime Company-St. Clair (L16761) → U.S. Lime Company-St. Clair (3400282)**

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

## Controller and operator valid-time history

- **Stephen F  Dunlap → St Clair Lime Company:** 1950-01-01 through 1995-11-30; derived from co-tenure at mine 3400282; source `msha-controller-operator-history`.
- **Global Stone Corp → Global Stone St Clair Inc:** 1995-12-01 through 1997-12-01; derived from co-tenure at mine 3400282; source `msha-controller-operator-history`.
- **Oglebay Norton Company → U.S. Lime Company-St. Clair:** 1997-12-02 through 2005-12-28; derived from co-tenure at mine 3400282; source `msha-controller-operator-history`.
- **United States Lime & Minerals Inc → U.S. Lime Company-St. Clair:** 2005-12-29 through current/open; derived from co-tenure at mine 3400282; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 — 5 since 2021:** Accidents and injuries 60 historical accident/injury rows; 2 coded fatalities and 828 lost days across the published record.
2. **COMPLIANCE — 155 since 2021:** Violations and penalties 1,012 violation rows across the full record; 269 carry an S&S flag and $408,874 appears in current assessed amounts.
3. **HEALTH — 406 samples:** Occupational health samples 398 personal; 8 area. 2 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 21K employee hours and 52 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 336 linked rows:** Contests, conferences and decisions 122 contested-violation rows, 123 civil-penalty docket/decision rows, and 91 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 — 33 since 2021:** Inspections 176 inspection events and 9K 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 48.26 — Experienced miner training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.26
- **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
- **30 CFR 57.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20011
- **30 CFR 48.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-A/section-48.9
- **30 CFR 48.29 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.29
- **30 CFR 57.14132 — Horns and backup alarms for surface equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14132
- **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 57.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12032
- **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 57.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12004
- **30 CFR 57.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11001

## Source coverage

- **Accident, Injuries, and Illnesses:** 60 rows; 2000-03-12 through 2026-09-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1978-07-28 through 1978-07-28; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 8 rows; 2022-05-25 through 2025-02-06; source ID `msha-area-samples`
- **Assessed Violations:** 965 rows; 2000-01-12 through 2026-09-14; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 123 rows; 2004-11-22 through 2019-08-07; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 91 rows; 2000-03-13 through 2026-08-21; source ID `msha-conferences`
- **Contested Violations:** 122 rows; 2004-02-04 through 2026-07-29; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,266 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 238 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 1997-12-02; source ID `msha-controller-operator-history`
- **Inspections:** 176 rows; 2000-01-10 through 2026-09-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 48 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 108 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:** 398 rows; 2000-11-01 through 2025-11-19; source ID `msha-personal-health-samples`
- **Violations:** 1,012 rows; 2000-01-12 through 2026-09-17; 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/u-s-lime-company-st-clair-3400282`
- JSON: `/api/v1/mines/u-s-lime-company-st-clair-3400282`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3400282/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3400282/relationships`
- MCP resource: `mine://3400282/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`