# Mobile Abrasives, Inc.

- **MSHA mine ID:** 0102950
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Mobile, AL
- **Operator:** Mobile Abrasives, Inc.
- **Controller:** Edward J  Serda
- **Public source rows linked:** 374
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Edward J  Serda (0041277) → Mobile Abrasives, Inc. (0050933) → Mobile Abrasives, Inc. (0102950)**

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

## Controller and operator valid-time history

- **John R  Clark  et al → Clark Sand Company Inc:** 1992-03-01 through 1996-08-09; derived from co-tenure at mine 0102950; source `msha-controller-operator-history`.
- **Fairmount Santrol → Mobile Abrasives:** 1996-08-10 through 2002-03-10; derived from co-tenure at mine 0102950; source `msha-controller-operator-history`.
- **Edward J  Serda → Mobile Abrasives, Inc.:** 2002-03-11 through current/open; derived from co-tenure at mine 0102950; 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 — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 8 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 74 violation rows across the full record; 21 carry an S&S flag and $16,102 appears in current assessed amounts.
3. **HEALTH — 16 samples:** Occupational health samples 16 personal. 4 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 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 13 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 7 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 — 0 since 2021:** Inspections 36 inspection events and 605 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 56.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **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 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **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 56.12006 — 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 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2006-07-16 through 2006-07-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2015-01-06 through 2015-01-06; source ID `msha-addresses`
- **Assessed Violations:** 73 rows; 2000-03-14 through 2013-11-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 7 rows; 2003-07-28 through 2012-11-23; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 6 rows; 2009-08-04 through 2011-12-13; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 8 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 4 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1992-03-01 through 2002-03-11; source ID `msha-controller-operator-history`
- **Inspections:** 36 rows; 2000-03-14 through 2015-01-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 115 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 29 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:** 16 rows; 2004-12-15 through 2009-03-03; source ID `msha-personal-health-samples`
- **Violations:** 74 rows; 2000-03-14 through 2013-11-20; 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/mobile-abrasives-inc-0102950`
- JSON: `/api/v1/mines/mobile-abrasives-inc-0102950`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0102950/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0102950/relationships`
- MCP resource: `mine://0102950/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`