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

OSHA Inspection: PRAIRIE STATE GENERATING COMPANY, LLC

Complaint inspection · Safety discipline

On , OSHA opened a complaint safety inspection of PRAIRIE STATE GENERATING COMPANY, LLC in 1739 NEW MARIGOLD ROAD, MARISSA, IL 62257 (NAICS 221112). OSHA activity number 339687766.

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Site address
1739 NEW MARIGOLD ROAD
City
MARISSA
State
IL
ZIP
62257
Mailing
1739 NEW MARIGOLD ROAD, MARISSA, IL 62257
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
221112
Employees
231
Ownership type
A

9 citations on file for this inspection.

1910.146 D03 IV

Serious Gravity 10 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $5670.00 · Current $3969.00 Reduced
29 CFR 1910.146(d)(3)(iv): Under the permit-required confined space program required by 29 CFR 1910.146(c)(4), the employer did not develop and implement the means, procedures, and practices necessary for safe permit entry operations, including providing for purging, inerting, flushing, or ventilating the permit space as necessary to eliminate or control atmospheric hazards.      On 4-17-14, employees were exposed to ozone inhalation while working in the permit required confined space identified as the 2B ID Fan, and the employer did not develop the means, procedures, and practices necessary for purging, inerting, flushing, or ventilating the permit space as necessary to eliminate or control the employees exposure to the ozone hazards.
Recent events (2)
  • — I (S) $3969
  • — Z (S) $5670

1910.146 D04 I

Serious Gravity 10 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $5670.00 · Current $3969.00 Reduced
29 CFR 1910.146(d)(4)(i):  Under the permit-confined space program required by 29 CFR 1910.146(c)(4), the employer did not provide, at no cost to the employees, testing and monitoring equipment needed to comply with 29 CFR 1910.146(d)(5):    On 4-17-14, employees were exposed to ozone inhalation while working in the permit required confined space identified as the 2B ID Fan, and the employer did not provide testing equipment to assess employee's exposure to the ozone hazards.
Recent events (2)
  • — I (S) $3969
  • — Z (S) $5670

1910.269 D02 IV

Serious Gravity 10 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $5670.00 · Current $3969.00 Reduced
29 CFR 1910.269(d)(2)(iv): The energy control procedure did not clearly and specifically outline the scope, purpose, responsibility, authorization, rules, and techniques to be applied to the control of hazardous energy:      On or about 4-17-14, three employees were exposed to ozone while working in the permit required confined space identified as the 2B ID Fan, and the employer's written energy control procedure did not clearly and specifically outline the scope, responsibility, and techniques to be applied to the control an electrical precipitator which generated the ozone.
Recent events (2)
  • — I (S) $3969
  • — Z (S) $5670

1910.269 D02 V

Serious Gravity 10 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $5670.00 · Current $3969.00 Reduced
29 CFR 1910.269(d)(2)(v): The employer did not conduct a periodic inspection of the energy control procedure at least annually to ensure that the procedure and the provisions of paragraph (d) of this section are being followed:      On or about 4-17-14, three employees were exposed to ozone while working in the permit required confined space identified as the 2B ID, and the employer did not conduct a periodic inspection of energy control procedure at least annually to ensure that the procedures and provisions of paragraph (d) of  29 CFR 1910.269 were being followed.
Recent events (2)
  • — I (S) $3969
  • — Z (S) $5670

1910.269 D06 III

Serious Gravity 10 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $5670.00 · Current $3969.00 Reduced
29 CFR 1910.269(d)(6)(iii): All energy isolating devices needed to control the energy to the machine or equipment were not physically located and/or operated in such a manner as to isolate the machine or equipment from energy sources:      On or about 4-17-14, three employees were exposed to ozone while working in the permit required confined space identified as the 2B ID, and the employer did apply an energy isolating device needed to isolate the Dry ESP operation.
Recent events (2)
  • — I (S) $3969
  • — Z (S) $5670

1910.269 D06 VII

Serious Gravity 10 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $5670.00 · Current $3969.00 Reduced
29 CFR 1910.269(d)(6)(vii): Before starting work on machines or equipment that have been locked out or tagged out, the authorized employee did not verify that isolation and de-energizing of the machine or equipment had been accomplished:      On or about 4-17-14, three employees were exposed to ozone while working in the permit required confined space identified as the 2B ID, and the authorized employee did verify that isolation was conducted as needed to isolate the Dry ESP operation.
Recent events (2)
  • — I (S) $3969
  • — Z (S) $5670

1910.269 D08 IV

Deleted Serious Gravity 10 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $5670.00 · Current $0.00 Reduced
29 CFR 1910.269(d)(8)(iv): The on-site employer and an outside employer did not inform one another of their respective lockout or tagout procedures:    On or about 4-17-14, two employees of Hayes-PNC LLC were exposed to ozone while in the permit required confined space 2B ID Fan, and Prairie State Generating Company, LLC  did not inform a contractor of the verification of isolation on PSGC Lockout and Tagout Permit 14-807.
Recent events (2)
  • — I (S) $0
  • — Z (S) $5670

1910.119 E03 IV

Serious Gravity 5 1 instance 6 exposed
Issued
Abate by
Penalty
Initial $4131.00 · Current $2891.00 Reduced
29 CFR 1910.119(e)(3)(iv): The process hazard analysis did not address the consequences of failure of engineering and administrative controls:    On or about 4-14-14, the employer's process hazard analysis did not address the consequences of failure of the deluge system to control employee exposure to anhydrous ammonia.
Recent events (2)
  • — I (S) $2891
  • — Z (S) $4131

1910.119 F01

Serious Gravity 5 1 instance 6 exposed
Issued
Abate by
Penalty
Initial $4131.00 · Current $2891.00 Reduced
29 CFR 1910.119(f)(1): The employer did not develop and implement written operating procedures that provide clear instructions for safely conducting activities involved in each covered process.      On or about 4-14-14, the employer did not develop and implement written operating procedures that provided clear instructions for the removal of ammonia during a line breaking procedure for the replacement of a hydrostatic relief valve (0-BS-V950).
Recent events (2)
  • — I (S) $2891
  • — Z (S) $4131

View PRAIRIE STATE GENERATING COMPANY, LLC'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 339687766.