# COLVER REFUSE SITE

- **MSHA mine ID:** 3607241
- **Status:** Active
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Cambria, PA
- **Operator:** MAPLE COAL COMPANY
- **Controller:** Inter-Power/Ahlcon Partners LP
- **Public source rows linked:** 1,512
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Inter-Power/Ahlcon Partners LP (C14861) → MAPLE COAL COMPANY (P22377) → COLVER REFUSE SITE (3607241)**

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

## Controller and operator valid-time history

- **Victor E  Zarilla → Zev Energy Inc:** 1981-11-01 through 1988-03-09; derived from co-tenure at mine 3607241; source `msha-controller-operator-history`.
- **Inter-Power USA Inc → Maple Coal Company:** 1988-03-10 through 1993-05-01; derived from co-tenure at mine 3607241; source `msha-controller-operator-history`.
- **Inter-Power/Ahlcon Partners LP et al → Maple Coal Company:** 1993-05-02 through current/open; derived from co-tenure at mine 3607241; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 — 1 since 2021:** Accidents and injuries 11 historical accident/injury rows; 0 coded fatalities and 339 lost days across the published record.
2. **COMPLIANCE — 11 since 2021:** Violations and penalties 38 violation rows across the full record; 13 carry an S&S flag and $5,499 appears in current assessed amounts.
3. **HEALTH — 439 samples:** Occupational health samples 302 coal dust; 6 coal quartz; 131 noise. 0 personal-sample rows have a published C/E ratio above 1; 1 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 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 8 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 — 14 since 2021:** Inspections 89 inspection events and 2K 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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.904 — Identification of circuit breakers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-J/section-77.904
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.505 — Cable fittings; suitability.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.505
- **30 CFR 77.516 — Electric wiring and equipment; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516
- **30 CFR 77.400 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 77.204 — Openings in surface installations; safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.204

## Source coverage

- **Accident, Injuries, and Illnesses:** 11 rows; 2002-12-06 through 2021-12-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-09-08 through 2020-09-08; source ID `msha-addresses`
- **Assessed Violations:** 36 rows; 2001-06-27 through 2025-06-09; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 302 rows; 2000-05-24 through 2026-09-30; source ID `msha-coal-dust-samples`
- **Contractor Employment and Production — Quarterly:** 532 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 141 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1981-11-01 through 1993-05-02; source ID `msha-controller-operator-history`
- **Inspections:** 89 rows; 2000-05-18 through 2026-08-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 194 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 27 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 131 rows; 2000-05-30 through 2026-01-20; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 6 rows; 2016-05-10 through 2026-08-24; source ID `msha-quartz-samples`
- **Violations:** 38 rows; 2001-06-27 through 2026-08-24; 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/colver-refuse-site-3607241`
- JSON: `/api/v1/mines/colver-refuse-site-3607241`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3607241/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3607241/relationships`
- MCP resource: `mine://3607241/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`