Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,992Inspections Most recent open 2026-07-18 Last loaded 2026-07-22

OSHA Inspection: HANSON AGGREGATES, SAN MARCOS PLANT

Accident-driven inspection · Safety discipline

On , OSHA opened an accident-driven safety inspection of HANSON AGGREGATES, SAN MARCOS PLANT in 720 SOUTH TWIN OAKS VALLEY ROAD, SAN MARCOS, CA 92078 (NAICS 212321). OSHA activity number 309173920.

What this inspection record means

OSHA opens inspections for many reasons — routine scheduling under a national or local emphasis program, an employee complaint or referral, or a follow-up after a reported injury. Opening or conducting an inspection is not itself an allegation or a finding that this employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Site address
720 SOUTH TWIN OAKS VALLEY ROAD
City
SAN MARCOS
State
CA
ZIP
92078
Mailing
P.O. BOX 639069, SAN DIEGO, CA 92163
Inspection type
Accident-driven (A)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
N
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
212321
SIC code (legacy)
1442
Employees
20
Ownership type
A

1 citation on file for this inspection.

3314 C

Serious 1 instance 2 exposed
Issued
Apr 5, 2006
Abate by
Apr 10, 2006
Penalty
Initial $18,000 · Current $18,000

View Hanson Aggregates, SAN Marcos Plant's full OSHA safety record →

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 309173920.

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