Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,197,549Inspections Most recent open 2026-08-27 Last loaded 2026-08-31

OSHA Inspection: CALUMET MONTANA REFINING

Complaint inspection · Safety discipline

On , OSHA opened a complaint safety inspection of CALUMET MONTANA REFINING in 1900 10TH STREET N.E., GREAT FALLS, MT 59401 (NAICS 237120). OSHA activity number 338842842.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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 Calumet Montana Refining for free Get an email when a new federal OSHA severe-injury report for Calumet Montana Refining is published. One employer, no account, unsubscribe in one click.
Site address
1900 10TH STREET N.E.
City
GREAT FALLS
State
MT
ZIP
59401
Mailing
1900 10TH STREET N.E., GREAT FALLS, MT 59401
Inspection type
Complaint (B)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
Union (A)
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
237120
Employees
300
Ownership type
Private (A)

8 citations on file for this inspection.

1910.335 B01

Other-than-serious 1 instance 3 exposed
Issued
Aug 7, 2013
Abate by
Aug 28, 2013
Penalty
Initial $7,000 · Current $7,000
29 CFR 1910.335(b)(1):  Safety signs, safety symbols, or accident prevention tags were not used where necessary to warn employees about electrical hazards which may endanger them, as required by 1910.145:        a) PMA Mill Motor Electrical Disconnect: On or about February 11, 2013, and at times prior thereto, employees were exposed to potential electrical arc flash hazards, while examination, adjusting, servicing, and maintaining energized equipment such as but not limited to, the EATON Motor Circuit Protector (MPC), Cat.HMCP400Y5C.
Recent events (3)
  • · F (O) $7000
  • · C (S) $7000
  • · Z (S) $7000

1910.303 B02

Other-than-serious 1 instance 3 exposed
Issued
Aug 7, 2013
Abate by
Aug 28, 2013
Penalty
Initial $70,000 · Current $7,000 Reduced
29 CFR 1910.303(b)(2): Listed or labeled electrical equipment was not used or installed in accordance with instructions included in the listing or labeling:     a) PMA Mill: From February 07, 2013 through February 11, 2013, employees working in and around the Polymer Modified Asphalt (PMA) Mill area were exposed to arc flash and fire hazards as a result of the misapplication of the EATON Motor Circuit Protector (MCP), Cat. HMCP400Y5C when the employer altered the (MCP) to prevent it from functioning as designed.   The employer removed the cover to the MCP and wedged a piece of wood into the tripping mechanism.
Recent events (3)
  • · F (O) $7000
  • · C (W) $70000
  • · Z (W) $70000

1910.304 F01 I

Other-than-serious 1 instance 3 exposed
Issued
Aug 7, 2013
Abate by
Aug 28, 2013
Penalty
Initial $0 · Current $7,000
29 CFR 1910.304(f)(1)(i): Conductors and equipment were not protected from overcurrent in accordance with their ability to safely conduct current:     a) PMA Mill: From February 07, 2013 through February 11, 2013, employees working in and around the Polymer Modified Asphalt (PMA) Mill area were exposed to arc flash and fire hazards when the employer altered the EATON Motor Circuit Protector (MCP) to prevent it from functioning as designed to interrupt current flow when a fault condition is detected in the PMA Mill electric motor.  The employer removed the cover to the MCP and wedged a piece of wood into the tripping mechanism.
Recent events (3)
  • · F (O) $7000
  • · C (W) $0
  • · Z (W) $0

1910.303 E01 II

Other-than-serious 5 instances 3 exposed
Issued
Aug 7, 2013
Abate by
Aug 28, 2013
Penalty
Initial $7,000 · Current $7,000
29 CFR 1910.303(e)(1)(ii): Electrical equipment was used when the markings giving voltage, current, wattage, or other ratings as necessary were missing:   a) Electrical Box #2508: On or about February 11, 2013 and at times prior thereto, the employer failed to ensure electrical ratings were marked on the switch for the pump identified asTK130.   b) Electrical Box #2507: On or about February 11, 2013 and at times prior thereto, the employer failed to ensure electrical ratings were marked on the switch for the pump identified asTK132.   c) Electrical Box #2506: On or about February 11, 2013 and at times prior thereto, the employer failed to ensure electrical ratings were marked on the switch for the pump identified asTK133.   d) Electrical Box #2505: On or about February 11, 2013 and at times prior thereto, the employer failed to ensure electrical ratings were marked on the switch for the Wet Tank Mixer.   e) Electrical Box #2504: On or about February 11, 2013 and at times prior thereto, the employer failed to ensure electrical ratings were marked on the switch for the Screw Conveyor.
Recent events (3)
  • · C (O) $7000
  • · F (O) $7000
  • · Z (O) $7000

1910.303 E01 II

Other-than-serious 5 instances 3 exposed
Issued
Aug 7, 2013
Abate by
Aug 28, 2013
Penalty
Initial $7,000 · Current $7,000
29 CFR 1910.303(e)(1)(ii): Electrical equipment was used when the markings giving voltage, current, wattage, or other ratings as necessary were missing:    b) Electrical Box #2507: On or about February 11, 2013 and at times prior thereto, the employer failed to ensure electrical ratings were marked on the switch for the pump identified asTK132.  .
Recent events (3)
  • · C (O) $7000
  • · F (O) $7000
  • · Z (O) $7000

1910.303 E01 II

Other-than-serious 5 instances 3 exposed
Issued
Aug 7, 2013
Abate by
Aug 28, 2013
Penalty
Initial $7,000 · Current $7,000
29 CFR 1910.303(e)(1)(ii): Electrical equipment was used when the markings giving voltage, current, wattage, or other ratings as necessary were missing:    c) Electrical Box #2506: On or about February 11, 2013 and at times prior thereto, the employer failed to ensure electrical ratings were marked on the switch for the pump identified asTK133.
Recent events (3)
  • · C (O) $7000
  • · F (O) $7000
  • · Z (O) $7000

1910.303 E01 II

Other-than-serious 5 instances 3 exposed
Issued
Aug 7, 2013
Abate by
Aug 28, 2013
Penalty
Initial $7,000 · Current $7,000
29 CFR 1910.303(e)(1)(ii): Electrical equipment was used when the markings giving voltage, current, wattage, or other ratings as necessary were missing:    d) Electrical Box #2505: On or about February 11, 2013 and at times prior thereto, the employer failed to ensure electrical ratings were marked on the switch for the Wet Tank Mixer.
Recent events (3)
  • · C (O) $7000
  • · F (O) $7000
  • · Z (O) $7000

1910.303 E01 II

Other-than-serious 5 instances 3 exposed
Issued
Aug 7, 2013
Abate by
Aug 28, 2013
Penalty
Initial $7,000 · Current $7,000
29 CFR 1910.303(e)(1)(ii): Electrical equipment was used when the markings giving voltage, current, wattage, or other ratings as necessary were missing:    e) Electrical Box #2504: On or about February 11, 2013 and at times prior thereto, the employer failed to ensure electrical ratings were marked on the switch for the Screw Conveyor.
Recent events (3)
  • · C (O) $7000
  • · F (O) $7000
  • · Z (O) $7000

View Calumet Montana Refining's full OSHA safety record →

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 338842842.

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