# Persolite Products Inc

- **MSHA mine ID:** 0501899
- **Status:** Abandoned
- **Type / commodity:** Facility / Perlite
- **Location:** Fremont, CO
- **Operator:** Persolite Products Inc
- **Controller:** Lori L  Soden; Richard H Soden
- **Public source rows linked:** 249
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Lori L  Soden; Richard H Soden (M08332) → Persolite Products Inc (L10744) → Persolite Products Inc (0501899)**

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

## Controller and operator valid-time history

- **Herman O Freudenberg → Persolite Products Inc:** 1950-01-01 through 1989-03-19; derived from co-tenure at mine 0501899; source `msha-controller-operator-history`.
- **Richard H Soden et al → Persolite Products Inc:** 1989-03-20 through current/open; derived from co-tenure at mine 0501899; source `msha-controller-operator-history`.
- **Lori L  Soden et al → Persolite Products Inc:** 1989-03-20 through current/open; derived from co-tenure at mine 0501899; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 30 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 52 violation rows across the full record; 12 carry an S&S flag and $9,347 appears in current assessed amounts.
3. **HEALTH — 12 samples:** Occupational health samples 12 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 2K employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 5 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 3 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 — 1 since 2021:** Inspections 53 inspection events and 578 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 56.11012 — Protection for openings around travelways.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 56.11013 — Conveyor crossovers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11013
- **30 CFR 48.29 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.29
- **30 CFR 48.25 — Training of new miners; minimum courses of instruction; hours of instruction.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.25
- **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
- **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 48.23 — Training plans; time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.23
- **30 CFR 56.15004 — Eye protection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15004
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2005-10-27 through 2011-01-07; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2021-08-16 through 2021-08-16; source ID `msha-addresses`
- **Assessed Violations:** 52 rows; 2000-01-19 through 2019-12-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2017-03-01 through 2017-03-01; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2016-01-20 through 2017-10-31; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2015-12-22 through 2015-12-22; source ID `msha-contested-violations`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 1989-03-20; source ID `msha-controller-operator-history`
- **Inspections:** 53 rows; 2000-01-06 through 2021-03-18; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 44 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:** 12 rows; 2009-04-29 through 2017-04-05; source ID `msha-personal-health-samples`
- **Violations:** 52 rows; 2000-01-19 through 2019-12-11; 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/persolite-products-inc-0501899`
- JSON: `/api/v1/mines/persolite-products-inc-0501899`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0501899/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0501899/relationships`
- MCP resource: `mine://0501899/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`