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

OSHA Inspection: MASTERPAC CORPORATION

Referral inspection · Safety discipline

On , OSHA opened a referral safety inspection of MASTERPAC CORPORATION in 8339 BRIDGE AVENUE, SAINT LOUIS, MO 63125 (NAICS 326111). OSHA activity number 340510254.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
8339 BRIDGE AVENUE
City
SAINT LOUIS
State
MO
ZIP
63125
Mailing
8339 BRIDGE AVENUE, SAINT LOUIS, MO 63125
Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Case closed
Last modified
Data loaded
NAICS code
326111
Employees
41
Ownership type
A

4 citations on file for this inspection.

1910.147 C04 I

Serious Gravity 10 1 instance 4 exposed
Issued
May 6, 2015
Abate by
Jun 2, 2015
Penalty
Initial $4,900 · Current $2,450 Reduced
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:  a)  At 8339 Bridge Avenue in St. Louis, MO (Plant - Line 4) - On or about, 03/31/2015, employees were operating a "Armac" (DT Industries - Model: 3040; S/N: 304000202) thermoforming machine and opening the machine's interlocking doors and reaching into the machine's point of operation to unclog jammed materials and troubleshoot/fix butterfly cutter, without isolating hazardous energy (electric/hydraulic) exposing employees to crush-by and/or amputation injuries.   NOTE: IN ADDITION TO ABATEMENT CERTIFICATION, THE EMPLOYER IS REQUIRED TO SUBMIT ABATEMENT DOCUMENTATION FOR THIS ITEM.  FAILURE TO COMPLY WILL RESULT IN AN ADDITIONAL PENALTY OF $1000.00 IN ACCORDANCE WITH 29 CFR 1903.19
Recent events (2)
  • — I (S) $2450
  • — Z (S) $4900

1910.147 C07 I

Serious Gravity 10 1 instance 1 exposed
Issued
May 6, 2015
Abate by
Jun 2, 2015
Penalty
Initial $4,900 · Current $2,450 Reduced
29 CFR 1910.147(c)(7)(i): The employer did not provide training to ensure that the purpose and function of the energy control program are understood by employees and that the knowledge and skills required for the safe application, usage, and removal of the energy controls are acquired by employees:  a)  At 8339 Bridge Avenue in St. Louis, MO (Plant - Line 4) - On or about, 03/31/2015, employees were operating a "Armac" (DT Industries - Model: 3040; S/N: 304000202) thermoforming machine and opening the machine's interlocking doors and reaching into the machine's point of operation to unclog jammed materials and troubleshoot/fix butterfly cutter, without being trained on energy control or acquiring the knowledge and skills required for the safe application, usage, and removal of the energy controls, exposing employees to crush-by and/or amputation injuries.   NOTE: IN ADDITION TO ABATEMENT CERTIFICATION, THE EMPLOYER IS REQUIRED TO SUBMIT ABATEMENT DOCUMENTATION FOR THIS ITEM.  FAILURE TO COMPLY WILL RESULT IN AN ADDITIONAL PENALTY OF $1000.00 IN ACCORDANCE WITH 29 CFR 1903.19
Recent events (2)
  • — I (S) $2450
  • — Z (S) $4900

1910.215 A04

Serious Gravity 1 1 instance 2 exposed
Issued
May 6, 2015
Abate by
May 12, 2015
Penalty
Initial $2,100 · Current $1,050 Reduced
29 CFR 1910.215(a)(4): Grinding machinery was not used with work rest(s) to support offhand grinding work:  a)  At 8339 Bridge Avenue in St. Louis, MO (Maintenance Area) - On or about, 04/01/2015, employees were using a "Craftsman" 6-inch bench grinder (Model: 319.211260; S/N: 89321) to finish steel bolts and other steel service parts without having any work rests in place to support the work and to prevent wheel rupture in the event of a jam, exposing the employees to flying part hazards.
Recent events (2)
  • — I (S) $1050
  • — Z (S) $2100

1910.215 B09

Serious Gravity 1 1 instance 2 exposed
Issued
May 6, 2015
Abate by
May 12, 2015
Penalty
Initial $2,100 · Current $1,050 Reduced
29 CFR 1910.215(b)(9): The distance between the abrasive wheel periphery(s) and the adjustable tongue or the end of the safety guard peripheral member at the top exceeded one fourth inch:   a)  At 8339 Bridge Avenue in St. Louis, MO (Maintenance Area) - On or about, 04/01/2015, employees were using a "Craftsman" 6-inch bench grinder (Model: 319.211260; S/N: 89321) to finish steel bolts and other steel service parts where the distance between the abrasive wheel periphery(s) and the end of the safety guard peripheral member at the top was 1 inch exposing the employees to flying part hazards in the event of a wheel rupture.
Recent events (2)
  • — I (S) $1050
  • — Z (S) $2100

View Masterpac Corporation'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 340510254.

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