# Pace Construction Danville Quarry

- **MSHA mine ID:** 2300140
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Montgomery, MO
- **Operator:** Pace Construction Company LLC
- **Controller:** Roy L Burns
- **Public source rows linked:** 423
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Roy L Burns (M11876) → Pace Construction Company LLC (L15572) → Pace Construction Danville Quarry (2300140)**

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

## Controller and operator valid-time history

- **William H  McClain → Mc Clain Lime Quarry:** 1950-01-01 through 1997-08-27; derived from co-tenure at mine 2300140; source `msha-controller-operator-history`.
- **Roy L Burns → Pace Construction Company LLC:** 1997-08-28 through current/open; derived from co-tenure at mine 2300140; 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 — 0 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 44 violation rows across the full record; 9 carry an S&S flag and $3,834 appears in current assessed amounts.
3. **HEALTH — 11 samples:** Occupational health samples 11 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 4K employee hours and 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 9 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 9 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 — 0 since 2021:** Inspections 19 inspection events and 334 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 62.130 — Permissible exposure level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **30 CFR 58.620 — Drill dust control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-58/subpart-E/section-58.620
- **30 CFR 56.3200 — Correction of hazardous conditions.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **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 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.14132 — Horns and backup alarms.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2001-06-27 through 2004-10-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-09-01 through 2006-09-01; source ID `msha-addresses`
- **Assessed Violations:** 42 rows; 2001-06-12 through 2006-04-05; source ID `msha-assessed-violations`
- **Conferences:** 9 rows; 2003-06-26 through 2003-06-26; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 162 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 27 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 1997-08-28; source ID `msha-controller-operator-history`
- **Inspections:** 19 rows; 2001-06-11 through 2006-09-13; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 81 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 21 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:** 11 rows; 2001-06-13 through 2006-04-05; source ID `msha-personal-health-samples`
- **Violations:** 44 rows; 2001-06-12 through 2006-04-05; 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/pace-construction-danville-quarry-2300140`
- JSON: `/api/v1/mines/pace-construction-danville-quarry-2300140`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2300140/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2300140/relationships`
- MCP resource: `mine://2300140/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`