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

OSHA Inspection: COMPASS MINING, INC.

Complaint inspection · Safety discipline

On , OSHA opened a complaint safety inspection of COMPASS MINING, INC. in 3870 NIAGARA ST. SUITE D, DENVER, CO 80207 (NAICS 518210). OSHA activity number 346841737.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
3870 NIAGARA ST. SUITE D
City
DENVER
State
CO
ZIP
80207
Mailing
3870 NIAGARA ST SUITE D, DENVER, CO 80207
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
518210
Employees
5
Ownership type
A

4 citations on file for this inspection.

1910.37 A03

Other-than-serious Gravity 5 1 instance 4 exposed
Issued
Dec 14, 2023
Abate by
Jan 3, 2024
Penalty
Initial $3,572 · Current $2,500 Reduced
29 CFR 1910.37(a)(3): Exit route(s) were not kept free and unobstructed:  (a)On or about July 19, 2023, the employer did not ensure exits routes were unobstructed.  Warehouse materials were stored immediately adjacent to the primary warehouse, rear exit door, preventing personnel from exiting the facility in an emergency.  This condition exposed employees to fire hazards.  (b) On or about July 19, 2023, the employer did not ensure exits routes were unobstructed.  Warehouse materials were stored immediately adjacent to the secondary warehouse, secondary exit adj. to the roll up door, preventing personnel from exiting the facility in an emergency.  This condition exposed employees to fire hazards.
Recent events (2)
  • — I (O) $2500
  • — Z (S) $3572

1910.37 B06

Other-than-serious Gravity 5 2 instances 4 exposed
Issued
Dec 14, 2023
Abate by
Jan 3, 2024
Penalty
Initial $3,572 · Current $2,000 Reduced
29 CFR 1910.37(b)(6): Each exit sign was not illuminated to a surface value of at least five foot-candles (54 lux) by a reliable light source and be distinctive in color:  (a) 	On or about July 19, 2023, the employer did not ensure exit signs on the secondary warehouse, primary exit, were illuminated and a distinct color.  This condition exposed employees to fire hazards.  (b)  On or about July 19, 2023, the employer did not ensure exit signs on the secondary warehouse, secondary exit, were illuminated and a distinct color.  This condition exposed employees to fire hazards.
Recent events (2)
  • — I (O) $2000
  • — Z (S) $3572

1910.242 B

Other-than-serious Gravity 5 1 instance 4 exposed
Issued
Dec 14, 2023
Abate by
Jan 3, 2024
Penalty
Initial $3,572 · Current $0 Reduced
29 CFR 1910.242(b): Compressed air used for cleaning purposes was not reduced to less than 30 PSI.:  (a) On or about July 19, 2023, the employer did not ensure the compressed air nozzles used for cleaning off equipment  in the facility were reduced to less than 30 PSI.  The compressed air line was pressurized at approximately 80 PSI.  This condition exposed employees using the air hoses to the hazard of an embolism in the blood stream and flying debris.
Recent events (2)
  • — I (O) $0
  • — Z (S) $3572

1910.303 G01 I A

Deleted Other-than-serious 1 instance 4 exposed
Issued
Dec 14, 2023
Abate by
Jan 3, 2024
Penalty
Initial $0 · Current $0
29 CFR 1910.303(g)(1)(i)(A): For electric equipment operating at 600 volts, nominal, or less to ground, and likely to require examination, adjustment, servicing, or maintenance while energized, the depth of the working space in the direction of access to live parts (as measured from the live parts where they were exposed or from the enclosure front or opening where they were enclosed) was less than indicated in Table S-1 of Subpart S of Part 1910:  (a) On or about July 19, 2023, the employer did not maintain workspace of at least 3 feet in front of an electrical panel switch located to the rear right of the primary warehouse, adjacent to a workstation, in that switch was blocked by debris, materials, and equipment. This condition potentially exposed employees to electrical and mechanical hazards.
Recent events (2)
  • — I (O) $0
  • — Z (O) $0

View Compass Mining, INC.'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 346841737.

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