# Tranquility Sand & Gravel

- **MSHA mine ID:** 1601593
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** St Helena, LA
- **Operator:** Tri Parish Sand & Gravel, LLC
- **Controller:** Gail Marie  Nolan; James  Nolan
- **Public source rows linked:** 134
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Gail Marie  Nolan; James  Nolan (0155303) → Tri Parish Sand & Gravel, LLC (0170633) → Tranquility Sand & Gravel (1601593)**

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

## Controller and operator valid-time history

- **Gail Marie  Nolan et al → Tri Parish Sand & Gravel, LLC:** 2020-06-01 through current/open; derived from co-tenure at mine 1601593; source `msha-controller-operator-history`.
- **James  Nolan et al → Tri Parish Sand & Gravel, LLC:** 2020-06-01 through current/open; derived from co-tenure at mine 1601593; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 4
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 26 since 2021:** Violations and penalties 33 violation rows across the full record; 4 carry an S&S flag and $7,505 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 6 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 9K employee hours and 15 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 8 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 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 — 17 since 2021:** Inspections 20 inspection events and 305 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 56.4201 — 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 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 56.9300 — Berms or guardrails.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **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 56.4203 — Extinguisher recharging or replacement.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — 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
- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112

## Source coverage

- **Addresses of Record:** 1 rows; 2020-06-02 through 2020-06-02; source ID `msha-addresses`
- **Assessed Violations:** 31 rows; 2020-06-03 through 2026-07-10; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2026-06-03 through 2026-06-03; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 4 rows; 2025-10-27 through 2025-10-28; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 2020-06-01 through 2020-06-01; source ID `msha-controller-operator-history`
- **Inspections:** 20 rows; 2020-05-28 through 2026-07-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 25 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 7 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:** 6 rows; 2021-04-21 through 2024-01-25; source ID `msha-personal-health-samples`
- **Violations:** 33 rows; 2020-06-03 through 2026-07-10; 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/tranquility-sand-gravel-1601593`
- JSON: `/api/v1/mines/tranquility-sand-gravel-1601593`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1601593/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1601593/relationships`
- MCP resource: `mine://1601593/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
