Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,196,991Inspections Most recent open 2026-08-24 Last loaded 2026-08-27

OSHA Inspection: R D HAHN & SON HEATING & A/C

Follow-up inspection · Safety discipline

On , OSHA opened a follow-up safety inspection of R D HAHN & SON HEATING & A/C in 209 E RT 120, Mchenry, IL 60050 (NAICS 000000). OSHA activity number 14433106.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
209 E RT 120
City
Mchenry
State
IL
ZIP
60050
Inspection type
Follow-up (F)
Scope
Complete (A)
Discipline
Safety
Union status
Union (A)
Opened
Closing conference
Case closed
Data loaded
NAICS code
000000
SIC code (legacy)
1711
Employees
8
Industry flags
Construction safety.

2 citations on file for this inspection.

1910.215 A04

Repeat 1 instance
Issued
Dec 31, 1979
Abate by
Dec 18, 1979
Penalty
Initial $80 · Current $80

1910.215 B09

Repeat 1 instance
Issued
Dec 31, 1979
Abate by
Dec 18, 1979

View R D Hahn & SON Heating & A/C's full OSHA safety record →

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). OSHA publishes its own view of this case as inspection number 14433106.

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