# WHITE ROCK SILICA SAND COMPANY INC.

- **MSHA mine ID:** 3600270
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Sandstone
- **Location:** Mercer, PA
- **Operator:** White Rock Silica Sand Company Inc
- **Controller:** James  Adzima
- **Public source rows linked:** 673
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**James  Adzima (M06924) → White Rock Silica Sand Company Inc (L12012) → WHITE ROCK SILICA SAND COMPANY INC. (3600270)**

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

## Controller and operator valid-time history

- **W Duff  McCrady → White Rock Silica Sand Company-Div/Mc Crady Inc:** 1950-01-01 through 1990-12-19; derived from co-tenure at mine 3600270; source `msha-controller-operator-history`.
- **James  Adzima → White Rock Silica Sand Company Inc:** 1990-12-20 through current/open; derived from co-tenure at mine 3600270; 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 19 since 2021:** Violations and penalties 99 violation rows across the full record; 17 carry an S&S flag and $12,858 appears in current assessed amounts.
3. **HEALTH — 97 samples:** Occupational health samples 97 personal. 3 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 5K employee hours and 11 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 6 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 2 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 — 10 since 2021:** Inspections 58 inspection events and 776 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 56.16006 — 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 47.44 — Temporary, portable containers.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **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 56.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003
- **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 56.12019 — Access to stationary electrical equipment or switchgear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12019

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2007-02-19 through 2007-02-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-12-17 through 2024-12-17; source ID `msha-addresses`
- **Assessed Violations:** 98 rows; 2000-06-29 through 2026-08-27; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2007-03-19 through 2008-02-05; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2015-08-24 through 2015-08-24; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2006-05-24 through 2006-12-06; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 1990-12-20; source ID `msha-controller-operator-history`
- **Inspections:** 58 rows; 2000-06-28 through 2026-08-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 256 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 97 rows; 2001-04-12 through 2023-10-23; source ID `msha-personal-health-samples`
- **Violations:** 99 rows; 2000-06-29 through 2026-08-27; 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/white-rock-silica-sand-company-inc-3600270`
- JSON: `/api/v1/mines/white-rock-silica-sand-company-inc-3600270`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3600270/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3600270/relationships`
- MCP resource: `mine://3600270/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`