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

OSHA Inspection: R. STRESAU LABORATORY, INC.

Planned inspection · Health discipline

On , OSHA opened a planned health inspection of R. STRESAU LABORATORY, INC. in N8265 MEDLEY ROAD, SPOONER, WI 54801 (NAICS 332993). OSHA activity number 347897456.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

Watch R. Stresau Laboratory, INC. — free Get an email when a new federal OSHA severe-injury report for R. Stresau Laboratory, INC. is published. One employer, no account, unsubscribe in one click.
Site address
N8265 MEDLEY ROAD
City
SPOONER
State
WI
ZIP
54801
Mailing
N8265 MEDLEY ROAD, SPOONER, WI 54801
Inspection type
Planned (H)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
332993
Employees
70
Ownership type
A

10 citations on file for this inspection.

1910.119 D02 I E

Other-than-serious Gravity 5 1 instance 40 exposed
Issued
Apr 4, 2025
Abate by
Dec 19, 2025
Penalty
Initial $8,441 · Current $6,753 Reduced
29 CFR  1910.119(d)(2)(i)(E): The employer failed to perform an evaluation of the consequences of deviations, including those effecting the safety and health of employees:  (a) Throughout the facility; On or about November 20, 2024, a compilation of written process safety information to include initial and previous air monitoring results for heavy metals including, but not limited to, lead and cadmium was not utilized to evaluate the consequences of deviations that would affect employees' health.
Recent events (2)
  • — I (O) $6752.8
  • — Z (S) $8441

1910.119 E03 VII

Serious Gravity 5 1 instance 40 exposed
Issued
Apr 4, 2025
Abate by
Dec 19, 2025
Penalty
Initial $0 · Current $0
29 CFR  1910.119(e)(3)(vii): The process hazard analysis did not address a qualitative evaluation of a range of the possible safety and health effects of failure of controls on employees in the workplace:   (a) Throughout the facility; On or about November 20, 2024, the process hazard analyses, including but not limited to, PHA-PCP-583, PHA-PCP-634 , PHA-PCP-732,  PHAs per buildings 2 and 10, and the PHA per GWI-SAF-4 Respiratory Protection did not sufficiently address employees' potential exposure to heavy metals including, but not limited to, lead and cadmium; to include failure of and lack of engineering controls such as ventilation, work practices, and personal protective equipment.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

1910.119 F01 III B

Other-than-serious Gravity 5 1 instance 40 exposed
Issued
Apr 4, 2025
Abate by
Dec 19, 2025
Penalty
Initial $0 · Current $0
29 CFR 1910.119 (f)(1)(iii)(B) The employer did not develop and implement written operating procedures that provided clear instructions for safely conducting activities involved in each covered process consistent with the process safety information that addressed health and safety considerations, such as precautions necessary to prevent exposure, including engineering controls, administrative controls, and personal protective equipment:  (a) Throughout the facility; On or about November 20, 2024, Process Control Procedures (PCPs) including, but not limited to, PCP-583 (Job C717), PCP-634 (Job C846), PCP-732 (Job C866), GWI-SAF-21, and PCPs per buildings 2 and 10 did not provide clear instructions per use of ventilation controls and required use of respiratory protection consistent with personal exposure monitoring data to include lead and other heavy metals.
Recent events (2)
  • — I (O) $0
  • — Z (S) $0

1910.1025 D02

Other-than-serious Gravity 5 1 instance 70 exposed
Issued
Apr 4, 2025
Abate by
Aug 20, 2025
Penalty
Initial $0 · Current $0
29 CFR  1910.1025(d)(2): An initial determination was not made to determine if any employee may be exposed to lead at or above the action level:  (a) Throughout the facility; On or about November 20, 2024, the employer did not perform initial monitoring for lead to determine employee exposure per new and existing jobs such as, but not limited to,  C866, and C717.
Recent events (2)
  • — I (O) $0
  • — Z (S) $0

1910.1027 D01 III

Other-than-serious Gravity 5 2 instances 2 exposed
Issued
Apr 4, 2025
Abate by
Aug 20, 2025
Penalty
Initial $0 · Current $0
29 CFR  1910.1027(d)(1)(iii): The employer did not determine the eight-hour TWA exposures to cadmium for each employee on the basis of one or more personal breathing zone samples reflecting full shift exposure on each shift, for each job classification, in each work area:   (a) Building 2, Chamber 2B; On or about November 20, 2024, the employer did not determine employees' exposure to cadmium during tasks including, but not limited to, chamber testing.   (b) Building 7; On or about November 20, 2024, the employer did not determine employees' exposure to cadmium per production of blasting caps.
Recent events (2)
  • — I (O) $0
  • — Z (S) $0

1910.119 O01

Serious Gravity 1 1 instance 70 exposed
Issued
Apr 4, 2025
Abate by
Aug 20, 2025
Penalty
Initial $4,220 · Current $3,376 Reduced
29 CFR  1910.119(o)(1): The employer did not certify that they have evaluated compliance with the provisions of this section at least every three years:  (a) Throughout the facility; On or about November 20, 2024, the employer did not evaluate their compliance, per 29 CFR 1910.119 provisions, as required every three years.
Recent events (2)
  • — I (S) $3376
  • — Z (S) $4220

1910.119 O05

Other-than-serious Gravity 1 1 instance 70 exposed
Issued
Apr 4, 2025
Abate by
Aug 20, 2025
Penalty
Initial $0 · Current $0
29 CFR  1910.119(o)(5): The employer did not retain the two most recent compliance audit reports:   (a) Throughout the facility; On or about November 20, 2024, the employer did not retain the two most recent compliance audits.
Recent events (2)
  • — I (O) $0
  • — Z (S) $0

1910.119 D03 I C

Other-than-serious 1 instance 70 exposed
Issued
Apr 4, 2025
Abate by
Dec 19, 2025
Penalty
Initial $0 · Current $0
29 CFR 1910.119(d)(3)(i)(C): Information pertaining to the equipment in the process did not include the electrical classification:  (a) Throughout the facility; On or about November 20, 2024, documentation of electrical classification was not provided for all process covered areas and equipment that contained explosive materials.
Recent events (2)
  • — I (O) $0
  • — Z (O) $0

1910.119 D03 I E

Deleted Other-than-serious 1 instance 70 exposed
Issued
Apr 4, 2025
Abate by
Aug 20, 2025
Penalty
Initial $0 · Current $0
29 CFR 1910.119(d)(3)(i)(E): The employer did not have a compilation of written process safety information pertaining to the ventilation system design:  (a) Throughout the facility; On or about November 20, 2024, documentation of ventilation design was not provided for process covered areas that contained explosive materials.
Recent events (2)
  • — I (O) $0
  • — Z (O) $0

1910.119 F01 I D

Other-than-serious 1 instance 70 exposed
Issued
Apr 4, 2025
Abate by
Aug 20, 2025
Penalty
Initial $0 · Current $0
29 CFR  1910.119(f)(1)(i)(D): The employer did not develop and implement written operating procedures that provide clear instructions for emergency shutdown, including the conditions under which emergency shutdown is required, and the assignment of shutdown responsibility to qualified operators to ensure that emergency shutdown is executed in a safe and timely manner:  (a) Throughout the facility; On or about November 20, 2024, Process Control Procedures (PCPs), including but not limited to, PCP-583 (Job C717), PCP-634 (Job C846), and PCP-732 (Job C866), and PCPs per buildings 2 and 10 did not provide clear instructions per circumstances that required immediate shutdown of the process to include failure to maintain grounding and humidity, as well as inclement weather (i.e. lightning).
Recent events (2)
  • — I (O) $0
  • — Z (O) $0

View R. Stresau Laboratory, INC.'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 347897456.

Look up any company's OSHA accident reports by company, or browse severe injury reports by year, state, and company.