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

OSHA Inspection: YK STONE CENTER INC.

Planned inspection · Health discipline

On , OSHA opened a planned health inspection of YK STONE CENTER INC. in 188 FEDERAL BOULEVARD 2001 W 8TH AVE., DENVER, CO 80204, DENVER, CO 80219 (NAICS 327991). OSHA activity number 347930182.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
188 FEDERAL BOULEVARD 2001 W 8TH AVE., DENVER, CO 80204
City
DENVER
State
CO
ZIP
80219
Mailing
188 FEDERAL BOULEVARD, DENVER, CO 80219
Inspection type
Planned (H)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
327991
Employees
12
Ownership type
A

9 citations on file for this inspection.

1910.95 C01

Serious Gravity 5 5 instances 5 exposed
Issued
Jun 2, 2025
Abate by
Jul 21, 2025
Penalty
Initial $4,729 · Current $2,837 Reduced
29 CFR 1910.95(c)(1): The employer did not administer a continuing, effective hearing conservation program as described in 29 CFR 1910.9(c) through (o) whenever employee noise exposures equal or exceed an 8-hour time-weighted average sound level of 85 decibels measured on the A scale, or equivalently a dose of fifty percent:  a) On March 5, 2025, an employee was exposed to a noise dose of 71.4% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 87.6 decibels measured on the A-scale. Sampling accounted for the period of 421 minutes, and zero exposure was assumed for the remaining 59 minutes.  The employer did not implement a hearing conservation to include, monitoring to identify employees for inclusion into the program, annual training and audiometric monitoring.  b) On March 5, 2025, an employee was exposed to a noise dose of 83.5% while conducting wood working operations.  This dose is equivalent to an 8-hour time weighted average of 88.7 decibels measured on the A-scale. Sampling accounted for the period of 453 minutes, and zero exposure was assumed for the remaining 27 minutes.  The employer did not implement a hearing conservation to include, monitoring to identify employees for inclusion into the program, annual training and audiometric monitoring.  c) On March 5,  2025, an employee was exposed to a noise dose of 87.4% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 89 decibels measured on the A-scale. Sampling accounted for the period of 417 minutes, and zero exposure was assumed for the remaining 63 minutes.  The employer did not implement a hearing conservation to include, monitoring to identify employees for inclusion into the program, annual training and audiometric monitoring.  d) On March 5, 2025, an employee was exposed to a noise dose of 91.9% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 89.4 decibels measured on the A-scale. Sampling accounted for the period of 409 minutes, and zero exposure was assumed for the remaining 71 minutes.  The employer did not implement a hearing conservation to include, monitoring to identify employees for inclusion into the program, annual training and audiometric monitoring.  e) On March 5, 2025, an employee was exposed to a noise dose of 77.8% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 88.2 decibels measured on the A-scale. Sampling accounted for the period of 370 minutes, and zero exposure was assumed for the remaining 110 minutes.  The employer did not implement a hearing conservation to include, monitoring to identify employees for inclusion into the program, annual training and audiometric monitoring.
Recent events (2)
  • — I (S) $2837.4
  • — Z (S) $4729

1910.95 D01

Serious Gravity 5 5 instances 5 exposed
Issued
Jun 2, 2025
Abate by
Jul 21, 2025
Penalty
Initial $0 · Current $0
29 CFR 1910.95(d)(1): When information indicated that any employee's exposure equaled or exceed the 8-hour time-weighted average of 85 decibels, the employer did not develop and implement a monitoring program:  a) On March 5, 2025, an employee was exposed to a noise dose of 71.4% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 87.6 decibels measured on the A-scale. Sampling accounted for the period of 421 minutes, and zero exposure was assumed for the remaining 59 minutes.  The employer did not develop and implement a monitoring program.  b) On March 5, 2025, an employee was exposed to a noise dose of 83.5% while conducting wood working operations.  This dose is equivalent to an 8-hour time weighted average of 88.7 decibels measured on the A-scale. Sampling accounted for the period of 453 minutes, and zero exposure was assumed for the remaining 27 minutes. The employer did not develop and implement a monitoring program.   c) On March 5,  2025, an employee was exposed to a noise dose of 87.4% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 89 decibels measured on the A-scale. Sampling accounted for the period of 417 minutes, and zero exposure was assumed for the remaining 63 minutes. The employer did not develop and implement a monitoring program.   d) On March 5, 2025, an employee was exposed to a noise dose of 91.9% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 89.4 decibels measured on the A-scale. Sampling accounted for the period of 409 minutes, and zero exposure was assumed for the remaining 71 minutes. The employer did not develop and implement a monitoring program.   e) On March 5, 2025, an employee was exposed to a noise dose of 77.8% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 88.2 decibels measured on the A-scale. Sampling accounted for the period of 370 minutes, and zero exposure was assumed for the remaining 110 minutes. The employer did not develop and implement a monitoring program.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

1910.95 G01

Serious Gravity 5 5 instances 5 exposed
Issued
Jun 2, 2025
Abate by
Jul 21, 2025
Penalty
Initial $0 · Current $0
29 CFR 1910.95(g)(1): The employer did not establish and maintain an audiometric testing program as provided by 29 CFR 1910.95(g) by making audiometric testing available to all employees whose exposures equal or exceed an 8-hour time-weighted average of 85 decibels:  a) On March 5, 2025, an employee was exposed to a noise dose of 71.4% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 87.6 decibels measured on the A-scale. Sampling accounted for the period of 421 minutes, and zero exposure was assumed for the remaining 59 minutes. The employer did not establish and maintain an audiometric testing program.  b) On March 5, 2025, an employee was exposed to a noise dose of 83.5% while conducting wood working operations.  This dose is equivalent to an 8-hour time weighted average of 88.7 decibels measured on the A-scale. Sampling accounted for the period of 453 minutes, and zero exposure was assumed for the remaining 27 minutes. The employer did not establish and maintain an audiometric testing program.  c) On March 5,  2025, an employee was exposed to a noise dose of 87.4% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 89 decibels measured on the A-scale. Sampling accounted for the period of 417 minutes, and zero exposure was assumed for the remaining 63 minutes. The employer did not establish and maintain an audiometric testing program.  d) On March 5, 2025, an employee was exposed to a noise dose of 91.9% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 89.4 decibels measured on the A-scale. Sampling accounted for the period of 409 minutes, and zero exposure was assumed for the remaining 71 minutes. The employer did not establish and maintain an audiometric testing program.  e) On March 5, 2025, an employee was exposed to a noise dose of 77.8% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 88.2 decibels measured on the A-scale. Sampling accounted for the period of 370 minutes, and zero exposure was assumed for the remaining 110 minutes. The employer did not establish and maintain an audiometric testing program.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

1910.95 K01

Serious Gravity 5 5 instances 5 exposed
Issued
Jun 2, 2025
Abate by
Jul 21, 2025
Penalty
Initial $0 · Current $0
29 CFR  1910.95(k)(1):The employer did not train each employee who is exposed to noise at or above an 8-hour time-weighted average of 85 decibels in accordance with the requirements of 29 CFR 1910.95(k):  a) On March 5, 2025, an employee was exposed to a noise dose of 71.4% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 87.6 decibels measured on the A-scale. Sampling accounted for the period of 421 minutes, and zero exposure was assumed for the remaining 59 minutes. The employer did not train each employee who is exposed to noise at or above an 8-hour time-weighted average of 85 decibels.  b) On March 5, 2025, an employee was exposed to a noise dose of 83.5% while conducting wood working operations.  This dose is equivalent to an 8-hour time weighted average of 88.7 decibels measured on the A-scale. Sampling accounted for the period of 453 minutes, and zero exposure was assumed for the remaining 27 minutes. The employer did not train each employee who is exposed to noise at or above an 8-hour time-weighted average of 85 decibels.  c) On March 5,  2025, an employee was exposed to a noise dose of 87.4% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 89 decibels measured on the A-scale. Sampling accounted for the period of 417 minutes, and zero exposure was assumed for the remaining 63 minutes. The employer did not train each employee who is exposed to noise at or above an 8-hour time-weighted average of 85 decibels.  d) On March 5, 2025, an employee was exposed to a noise dose of 91.9% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 89.4 decibels measured on the A-scale. Sampling accounted for the period of 409 minutes, and zero exposure was assumed for the remaining 71 minutes. The employer did not train each employee who is exposed to noise at or above an 8-hour time-weighted average of 85 decibels.  e) On March 5, 2025, an employee was exposed to a noise dose of 77.8% while working in the fabrication department.  This dose is equivalent to an 8-hour time weighted average of 88.2 decibels measured on the A-scale. Sampling accounted for the period of 370 minutes, and zero exposure was assumed for the remaining 110 minutes. The employer did not train each employee who is exposed to noise at or above an 8-hour time-weighted average of 85 decibels.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

1910.134 E01

Serious Gravity 1 1 instance 12 exposed
Issued
Jun 2, 2025
Abate by
Jul 21, 2025
Penalty
Initial $2,837 · Current $1,702 Reduced
29 CFR 1910.134(e)(1): The employer did not provide a medical evaluation to determine the employee's ability to use a respirator, before the employee was fit tested or required to use the respirator in the workplace:  a) On or about, December 11, 2024, the employer did not ensure that each employee wearing a tight-fitting respirator was medically evaluated to wear a tight-fitting respirator prior to use ion that employees were exposed to respiratory hazards while performing operations on materials that contained silica in the fabrication department.
Recent events (2)
  • — I (S) $1702.2
  • — Z (S) $2837

1910.1053 F02 I

Serious Gravity 5 1 instance 12 exposed
Issued
Jun 2, 2025
Abate by
Jul 21, 2025
Penalty
Initial $4,729 · Current $2,837 Reduced
29 CFR  1910.1053(f)(2)(i):The employer did not establish and implement a written exposure control plan:  a) On or about, December 11, 2024, the employer did not establish and implement a written exposure control plan that included all of the required components for the employees exposed to respirable crystalline silica while working with materials that contained silica in the fabrication department.
Recent events (2)
  • — I (S) $2837.4
  • — Z (S) $4729

1910.1053 J01

Serious Gravity 5 1 instance 12 exposed
Issued
Jun 2, 2025
Abate by
Jul 21, 2025
Penalty
Initial $0 · Current $0
29 CFR  1910.1053(j)(1): The employer did not include respirable crystalline silica in the program established to comply with the hazard communication standard (HCS) (29 CFR 1910.1200):     a) On or about, December 11, 2024, the employer did not ensure silica was included in the company's written hazard communication program for the employees were exposed to respirable crystalline silica while working with materials that contained silica in the fabrication department.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

1910.1053 J03 I

Serious Gravity 5 1 instance 12 exposed
Issued
Jun 2, 2025
Abate by
Jul 21, 2025
Penalty
Initial $0 · Current $0
29 CFR  1910.1053(j)(3)(i): The employer did not ensure that each employee covered by this section could demonstrate knowledge and understanding of the following: (A) the health hazards associated with exposure to respirable crystalline silica; (B) specific tasks in the workplace that could result in exposure to respirable crystalline silica; (C) specific measures the employer has implemented to protect employees from exposure to respirable crystalline silica, including engineering controls, work practices, and respirators to be used; (D) the contents of this section; and, (E) the purpose and a description of the medical surveillance program required by paragraph (i) of this section:  (a) On or about, December 11, 2024,  the employer did not ensure that each employee could demonstrate knowledge and understanding of the health hazards associated with respirable crystalline silica in that employees were exposed to respirable crystalline silica while working with materials that contained silica in the fabrication department.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

1910.1053 I01 I

Deleted Serious Gravity 5 1 instance 12 exposed
Issued
Jun 2, 2025
Abate by
Jul 21, 2025
Penalty
Initial $4,729 · Current $0 Reduced
29 CFR  1910.1053(i)(1)(i):The employer did not make medical surveillance available at no cost to each employee, and at a reasonable time and place, for each employee who has been occupationally exposed to respirable crystalline silica at or above the action level for 30 or more days per year:  a) On or about, December 11, 2024,  the employer did not ensure employees who were exposed to silica at or above the action level were provided medical surveillance services in that employees were exposed to respirable crystalline silica while working with materials that contained silica in the fabrication department.
Recent events (2)
  • — I (S) $0
  • — Z (S) $4729

View YK Stone Center 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 347930182.

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