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

OSHA Inspection: SUN NUCLEAR CORPORATION

Complaint inspection · Safety discipline

On , OSHA opened a complaint safety inspection of SUN NUCLEAR CORPORATION in 7600 DISCOVERY DRIVE, MIDDLETON, WI 53562 (NAICS 339112). OSHA activity number 347189524.

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Site address
7600 DISCOVERY DRIVE
City
MIDDLETON
State
WI
ZIP
53562
Mailing
7600 DISCOVERY DRIVE, MIDDLETON, WI 53562
Inspection type
Complaint (B)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
339112
Employees
90
Ownership type
A

3 citations on file for this inspection.

1910.147 C04 II C

Serious Gravity 5 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $11524.00 · Current $5762.00 Reduced
1910.147(c)(4)(ii)(C) Specific procedural steps for the placement, removal and transfer of lockout devices or tagout devices and the responsibility for them; and   The employer failed to develop specific procedures for the control of hazardous energy for the CNC machines within the machine shop.   a) On or about March 6, 2024, the employer failed to develop specific lockout tagout procedures for the de-energization of the Milltronics Vertical Milling 20 Machine (S/N: 9229 aka Machine #1).
Recent events (2)
  • — I (S) $5762
  • — Z (S) $11524

1910.212 A01

Serious Gravity 5 6 instances 6 exposed
Issued
Abate by
Penalty
Initial $9218.00 · Current $4609.00 Reduced
29 CFR 1910.212(a)(1): One or more methods of machine guarding was not provided to protect the operator and other employees in the machine area from hazards such as those created by point of operation, ingoing nip points, rotating parts, flying chips and sparks:   a) On or about January 2, 2024, the employer failed to ensure that one or more methods of machine guarding protected operators of the Miltronics VM20 Machine #1(S/N: 9229) from rotating parts such as the spindle head when gathering measurements.  b) On or about January 2, 2024, the employer failed to ensure that one or more methods of machine guarding protected operators of the Miltronics VM20 Machine #2 (S/N: 9899) from rotating parts such as the spindle head when gathering measurements.   c) On or about January 2, 2024, the employer failed to ensure that one or more methods of machine guarding protected operators of the Milltronics VM5020 (S/N: 13095) from rotating parts such as the spindle head when gathering measurements.   d) On or about January 2, 2024, the employer failed to ensure that one or more methods of machine guarding protected operators of the Milltronics VM3018 (S/N: VM32100770AAAAH) from rotating parts such as the spindle head when gathering measurements.   e) On or about January 2, 2024, the employer failed to ensure that one or more methods of machine guarding protected operators of the Milltronics VM3018 (S/N: VM32200311AAAAH) from rotating parts such as the spindle head when gathering measurements.  f) On or about January 2, 2024, the employer failed to ensure that one or more methods of machine guarding protected operators of the Miltronics CNC Lathe (S/N: 11478) from rotating parts such as the chuck when retrieving parts from within.
Recent events (2)
  • — I (S) $4609
  • — Z (S) $9218

1910.242 B

Other-than-serious 3 instances 3 exposed
Issued
Penalty
Initial $0.00 · Current $0.00
29 CFR 1910.242(b): Compressed air used for cleaning purposes was not reduced to less than 30 PSI:  On or about January 2, 2024, compressed air was used at PSI greater than 30 for cleaning purposes due to air guns not being equipped with appropriate safety tip. Operators used compressed air to clean resin debris from the equipment and their body.  a) On or about January 2, 2024, operators of the Vertical Milling Machine VM5020 (S/N: 13095) used compressed air for cleaning purposes without an appropriate safety tip that reduced the PSI below 30.  b) On or about January 2, 2024, operators of the Vertical Milling Machine VM 3018 (S/N: VM32200311 AAAAH) used compressed air for cleaning purposes without an appropriate safety tip that reduced the PSI below 30.   c) On or about January 2, 2024, operators of the vacuum chambers within the tissue mimicking area used compressed air for cleaning purposes without an appropriate safety tip that reduced the PSI below 30.
Recent events (2)
  • — I (O) $0
  • — Z (O) $0

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 347189524.