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

OSHA Inspection: STEPAN COMPANY

Referral inspection · Health discipline

On , OSHA opened a referral health inspection of STEPAN COMPANY in 22500 WEST MILLSDALE ROAD, ELWOOD, IL 60421 (NAICS 325199). OSHA activity number 339465965.

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Establishment
STEPAN COMPANY
Site address
22500 WEST MILLSDALE ROAD
City
ELWOOD
State
IL
ZIP
60421
Mailing
22500 WEST MILLSDALE ROAD, ELWOOD, IL 60421
Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
325199
Employees
1000
Ownership type
A

6 citations on file for this inspection.

1910.134 D01 I

Serious Gravity 5 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $5000.00 · Current $2500.00 Reduced
29 CFR 1910.134(d)(1)(i): The employer shall select and provide an appropriate respirator based on the respiratory hazard(s) to which the worker is exposed and workplace and user factors that affect respirator performance and reliability:    On or about November 7, 2013, an employee required to perform Operator duties entered the Sulfur Trioxide (SO3) Hot Room to investigate the cause/source of a leak.  The employee entered the room wearing a full-face air-purifying cartridge respirator (APF 50) that was provided in the work area by the employer.  The employer did not select and provide an appropriate respirator based on the unknown respiratory hazard(s) to which the worker was exposed.
Recent events (2)
  • — I (S) $2500
  • — Z (S) $5000

1910.134 D01 III

Serious Gravity 5 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $0.00 · Current $0.00
29 CFR 1910.134(d)(1)(iii): The employer shall identify and evaluate the respiratory hazard(s) in the workplace; this evaluation shall include a reasonable estimate of employee exposures to respiratory hazard(s) and an identification of the contaminant's chemical state and physical form. Where the employer cannot identify or reasonably estimate the employee exposure, the employer shall consider the atmosphere to be IDLH:  On or about November 7, 2014, in the facility, an employee required to perform Operator duties entered the Sulfur Trioxide (SO3) Hot Room to investigate the cause/source of a leak.  The employee entered the room wearing a during a full-facepiece air-purifying cartridge respirator (APF 50) provided in the work area by the employer.  Where the employer could not identify or reasonably estimate the employee exposure, the employer did not consider the atmosphere to be IDLH.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

1910.134 K01 II

Serious Gravity 5 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $0.00 · Current $0.00
29 CFR 1910.134(k)(1)(ii): The employer shall provide effective training to employees who are required to use respirators, including, but not limited to, ensuring that each employee can demonstrate knowledge of what the limitations and capabilities of the respirator are:  On or about November 7, 2013, in the facility, an employee required to perform Operator duties entered the Sulfur Trioxide (SO3) Hot Room to investigate the cause/source of a leak.  The employee entered the room wearing a full-face air-purifying cartridge respirator (APF 50) provided in the work area by the employer.  The employer did not provide effective training of what the limitations and capabilities of the respirator were.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

1910.165 B01

Serious Gravity 5 1 instance 25 exposed
Issued
Abate by
Penalty
Initial $5000.00 · Current $2500.00 Reduced
29 CFR 1910.165(b)(1): The employee alarm system shall provide warning for necessary emergency action as called for in the emergency action plan, or for reaction time for safe escape of employees from the workplace or the immediate work area, or both:    On or about November 5 & 7, 2013, in the facility, contract employees were exposed to contact with airborne releases/leaks of hazardous materials from process equipment and/or buildings:    a) On or about November 5, 2013, twenty-one (21) contract employees required to work in the vicinity of the Dowtherm system were exposed to Therminol VP-1 vapor/mist from an overpressure event in process equipment.    b) On or about November 7, 2013, four (4) contract employees required to work in the vicinity of the Sulfur Trioxide (SO3) Hot Room, were exposed to Sulfur Trioxide and/or Sulfuric Acid vapor/mist from a leak in process equipment and room.    The employee alarm system did not provide warning for necessary emergency action as called for in the emergency action plan, or for reaction time for safe escape of the contract employees from the workplace or the immediate work area, or both.  As such, contract employees continued working until exposed to the vapor/mist release.
Recent events (2)
  • — I (S) $2500
  • — Z (S) $5000

1910.165 D01

Serious Gravity 5 1 instance 4 exposed
Issued
Abate by
Penalty
Initial $0.00 · Current $0.00
29 CFR 1910.165(d)(1): The employer shall assure that all employee alarm systems are maintained in operating condition except when undergoing repairs or maintenance:  On or about November 7, 2013, four (4) contract employees required to work in the vicinity of the Sulfur Trioxide (SO3) Hot Room were exposed to Sulfur Trioxide and/or Sulfuric Acid vapor/mist from a leak release in process equipment and room.  The audible horn alarm system did not activate due to blown fuses.  As such, contract employees continued working until exposed to the vapor/mist release.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

1910.165 D02

Serious Gravity 5 1 instance 4 exposed
Issued
Abate by
Penalty
Initial $0.00 · Current $0.00
29 CFR 1910.165(d)(2): The employer shall assure that a test of the reliability and adequacy of non-supervised employee alarm systems is made every two months. A different actuation device shall be used in each test of a multi-actuation device system so that no individual device is used for two consecutive tests:  On or about November 7, 2013, four (4) contract employees required to work in the vicinity of the Sulfur Trioxide (SO3) Hot Room were exposed to Sulfur Trioxide and/or Sulfuric Acid vapor/mist from a leak release in process equipment and room.  The audible horn alarm system did not activate due to blown fuses. As such, contract employees continued working until exposed to the vapor/mist release.  The employer did not assure that a test of the reliability and adequacy of non-supervised employee alarm systems was made every two months.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

View STEPAN COMPANY'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 339465965.