# DORCHESTER PLANT

- **MSHA mine ID:** 2800567
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Cumberland, NJ
- **Operator:** Whibco of New Jersey, Inc.
- **Controller:** WHIBCO, Inc.
- **Public source rows linked:** 445
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**WHIBCO, Inc. (M00739) → Whibco of New Jersey, Inc. (0058159) → DORCHESTER PLANT (2800567)**

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

## Controller and operator valid-time history

- **WHIBCO, Inc. → Whibco Inc:** 1950-01-01 through 2003-12-31; derived from co-tenure at mine 2800567; source `msha-controller-operator-history`.
- **WHIBCO, Inc. → Whibco of New Jersey, Inc.:** 2004-01-01 through current/open; derived from co-tenure at mine 2800567; 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 76 lost days across the published record.
2. **COMPLIANCE — 6 since 2021:** Violations and penalties 47 violation rows across the full record; 6 carry an S&S flag and $5,796 appears in current assessed amounts.
3. **HEALTH — 9 samples:** Occupational health samples 9 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 522 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 46 linked rows:** Contests, conferences and decisions 23 contested-violation rows, 23 civil-penalty docket/decision rows, and 0 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 — 13 since 2021:** Inspections 61 inspection events and 582 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 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 56.14211 — Blocking equipment in a raised position.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14211
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **30 CFR 50.30-1 — General instructions for completing MSHA Form 7000-2.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30-1
- **30 CFR 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **30 CFR 56.9100 — Traffic control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9100
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2000-09-26 through 2018-01-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-09-22 through 2011-09-22; source ID `msha-addresses`
- **Assessed Violations:** 46 rows; 2000-09-06 through 2025-12-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 23 rows; 2009-02-20 through 2026-08-12; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 23 rows; 2007-10-04 through 2025-12-02; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 3 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 2004-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 61 rows; 2000-09-05 through 2026-04-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 198 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 28 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:** 9 rows; 2000-09-06 through 2026-04-10; source ID `msha-personal-health-samples`
- **Violations:** 47 rows; 2000-09-06 through 2025-12-02; 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/dorchester-plant-2800567`
- JSON: `/api/v1/mines/dorchester-plant-2800567`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2800567/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2800567/relationships`
- MCP resource: `mine://2800567/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`