Safety Incidents OSHA Severe Injury Reports · 2015–2025
2,004,209Inspections Most recent open 2026-07-13 Last loaded 2026-07-17

COLUMBIA, CA —

OSHA Inspection: PORTOLA MINERALS COMPANY

Planned inspection · Safety discipline

At a glance

On , OSHA opened a planned safety inspection of PORTOLA MINERALS COMPANY in 24599 MARBLE QUARRY RD, COLUMBIA, CA 95310 (NAICS 212312). OSHA activity number 340096437.

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Where did this inspection happen?

Establishment
PORTOLA MINERALS COMPANY
Site address
24599 MARBLE QUARRY RD
City
COLUMBIA
State
CA
ZIP
95310
Mailing
24599 MARBLE QUARRY RD, COLUMBIA, CA 95310

What kind of inspection was it?

Inspection type
Planned (H)
Scope
Complete (A)
Discipline
Safety
Advance notice
No
Union status
B

When did the case open and close?

Opened
Closing conference
Case closed
Last modified
Data loaded

Establishment context

NAICS code
212312
Employees
50
Ownership type
A

Citations

No citations on file for this inspection. OSHA's citation feed is backfilled in rolling windows; this inspection may have been closed without violations, or its citation rows may not have been ingested yet.

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Source

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 340096437.