Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,198,547Inspections Most recent open 2026-09-01 Last loaded 2026-09-04

OSHA Inspection: CORNERSTONE CHEMICAL COMPANY

Unprogrammed Related inspection · Health discipline

On , OSHA opened an unprogrammed Related health inspection of CORNERSTONE CHEMICAL COMPANY in 10800 RIVER ROAD, WESTWEGO, LA 70094 (NAICS 325212). OSHA activity number 342434149.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
10800 RIVER ROAD
City
WESTWEGO
State
LA
ZIP
70094
Mailing
10800 RIVER ROAD, WESTWEGO, LA 70094
Inspection type
Unprogrammed Related (G)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
Union (A)
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
325212
Employees
470
Ownership type
Private (A)

5 citations on file for this inspection.

1910.119 F04

Serious Gravity 10 1 instance 4 exposed
Issued
Nov 20, 2017
Abate by
Dec 4, 2017
Penalty
Initial $12,675 · Current $12,675
29 CFR 1910.119(f)(4): The employer did not develop and implement safe work practices to provide for the control of hazards during operations such as lockout/tagout; confined space entry; opening process equipment or piping; and control over entrance into a facility by maintenance, contractor, laboratory, or other support personnel.  On or about June 2, 2017, at the Acrylonitrile Unit, the employer failed to perform adequate lock out on process Acid system piping and did not implement safe work practice to controls and prevent the hazardous release of stored (chemical) energy.
Recent events (2)
  • · I (S) $12675
  • · Z (S) $12675

1910.147 C04 I

Serious Gravity 10 1 instance 4 exposed
Issued
Nov 20, 2017
Abate by
Dec 4, 2017
Penalty
Initial $0 · Current $0
29 CFR 1910.147(c)(4)(i): Procedures were not developed, documented and utilized for the control of potentially hazardous energy when employees were engaged in activities covered by this section.  On or about June 2, 2017, at the Acrylonitrile Unit, the employer failed to developed, document and utilize a procedure for the control of potentially hazardous energy when the employees were engaged in locking out the Acid system before contractors started working on the acid system.
Recent events (2)
  • · I (S) $0
  • · Z (S) $0

1910.147 D04 I

Deleted Serious Gravity 10 1 instance 4 exposed
Issued
Nov 20, 2017
Abate by
Dec 4, 2017
Penalty
Initial $12,675 · Current $0 Reduced
29 CFR 1910.147(d)(4)(i): Lockout or tagout devices were not affixed to each energy isolating device by authorized employees.  On or about June 2, 2017, at the Acrylonitrile Unit, the employer failed to ensure that an authorized employee adequately affixed lockout or tagout devices on the isolation points of the acid system to prevent unexpected operation before allowing contract workers to begin line-breaking operations.
Recent events (2)
  • · I (S) $0
  • · Z (S) $12675

1910.147 D05 I

Serious Gravity 10 1 instance 4 exposed
Issued
Nov 20, 2017
Abate by
Dec 4, 2017
Penalty
Initial $12,675 · Current $12,675
29 CFR 1910.147(d)(5)(i): All potentially hazardous stored or residual energy was not relieved, disconnected, restrained or otherwise rendered safe after the application of lockout or tagout devices to energy isolating devices.    On or about June 2, 2017, at the Acrylonitrile Unit, the employer failed to ensure that all potential and stored energy within the acid system piping was drained, disconnected, or otherwise rendered safe prior to a contractor crew performing line-breaking operations.
Recent events (2)
  • · I (S) $12675
  • · Z (S) $12675

1910.147 D06

Serious Gravity 10 1 instance 4 exposed
Issued
Nov 20, 2017
Abate by
Dec 4, 2017
Penalty
Initial $12,675 · Current $0 Reduced
29 CFR 1910.147(d)(6): Prior to starting work on machines or equipment that had been locked out or tagged out, the authorized employee did not verify that isolation and de-energization of the machine or equipment had been accomplished.    On or about June 1, 2017, at the Acrylonitrile Unit, the employer failed to verify that the acid system piping had been adequately drained and relieved of stored energy (sulfuric acid) prior to the contractor crew working on the acid system.
Recent events (2)
  • · I (S) $0
  • · Z (S) $12675

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 342434149.

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