Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,214Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

OSHA Inspection: MASTER RESEARCH & MANUFACTURING INC

Complaint inspection · Safety discipline

On , OSHA opened a complaint safety inspection of MASTER RESEARCH & MANUFACTURING INC in 13528 PUMICE ST, NORWALK, CA 90650 (NAICS 332912). OSHA activity number 316345016.

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Site address
13528 PUMICE ST
City
NORWALK
State
CA
ZIP
90650
Inspection type
Complaint (B)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
N
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
332912
SIC code (legacy)
3728
Employees
49
Ownership type
A

3 citations on file for this inspection.

461 A

Other-than-serious 1 instance 49 exposed
Issued
Abate by
Penalty
Initial $275.00 · Current $275.00

3203 A

Other-than-serious 1 instance 49 exposed
Issued
Abate by
Penalty
Initial $550.00 · Current $550.00

5194 E01

Other-than-serious 1 instance 45 exposed
Issued
Abate by
Penalty
Initial $410.00 · Current $410.00

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 316345016.