# Sumner Mine

- **MSHA mine ID:** 4502611
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Pierce, WA
- **Operator:** Sumner Sand & Gravel, LLC
- **Controller:** Gary  Merlino; Don  Merlino
- **Public source rows linked:** 473
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Gary  Merlino; Don  Merlino (M06392) → Sumner Sand & Gravel, LLC (0135855) → Sumner Mine (4502611)**

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

## Controller and operator valid-time history

- **Keith  Benson  et al → City Transfer Inc:** 1979-01-01 through 1979-07-15; derived from co-tenure at mine 4502611; source `msha-controller-operator-history`.
- **Ronald G  Benson  et al → City Transfer Inc:** 1979-01-01 through 1979-07-15; derived from co-tenure at mine 4502611; source `msha-controller-operator-history`.
- **Mosby Wayne → M & M Crushing Company Inc:** 1979-07-16 through 1979-10-20; derived from co-tenure at mine 4502611; source `msha-controller-operator-history`.
- **Ronald G  Benson  et al → City Transfer Inc:** 1979-10-21 through 2014-03-31; derived from co-tenure at mine 4502611; source `msha-controller-operator-history`.
- **Keith  Benson  et al → City Transfer Inc:** 1979-10-21 through 2014-03-31; derived from co-tenure at mine 4502611; source `msha-controller-operator-history`.
- **Don  Merlino et al → Sumner Sand & Gravel, LLC:** 2014-04-01 through current/open; derived from co-tenure at mine 4502611; source `msha-controller-operator-history`.
- **Gary  Merlino et al → Sumner Sand & Gravel, LLC:** 2014-04-01 through current/open; derived from co-tenure at mine 4502611; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 14
- 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 1 lost days across the published record.
2. **COMPLIANCE — 13 since 2021:** Violations and penalties 86 violation rows across the full record; 13 carry an S&S flag and $9,619 appears in current assessed amounts.
3. **HEALTH — 8 samples:** Occupational health samples 8 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 35 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 33 civil-penalty docket/decision rows, and 1 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 — 12 since 2021:** Inspections 47 inspection events and 736 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 47.54 — Availability of an MSDS.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-F/section-47.54
- **30 CFR 47.32 — HazCom program contents.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-D/section-47.32
- **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 56.4201 — 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 56.12004 — 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 56.12008 — 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 56.14107 — 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
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2000-04-11 through 2001-04-24; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-02-24 through 2026-02-24; source ID `msha-addresses`
- **Assessed Violations:** 86 rows; 2000-10-12 through 2025-10-22; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 33 rows; 2000-11-28 through 2011-12-16; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2001-01-15 through 2001-01-15; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2010-01-29 through 2010-01-29; source ID `msha-contested-violations`
- **Controller and Operator History:** 7 rows; 1979-01-01 through 2014-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 47 rows; 2000-10-12 through 2025-10-20; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 154 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 45 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:** 8 rows; 2000-10-12 through 2021-04-12; source ID `msha-personal-health-samples`
- **Violations:** 86 rows; 2000-10-12 through 2025-10-22; 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/sumner-mine-4502611`
- JSON: `/api/v1/mines/sumner-mine-4502611`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4502611/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4502611/relationships`
- MCP resource: `mine://4502611/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`