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

OSHA Inspection: PROSPECT RANCH LLC

Federal Agency inspection · Health discipline

On , OSHA opened a federal Agency health inspection of PROSPECT RANCH LLC in 32063 COUNTY RD 18, KEENESBURG, CO 80643 (NAICS 112120). OSHA activity number 348459603.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Establishment
PROSPECT RANCH LLC
Site address
32063 COUNTY RD 18
City
KEENESBURG
State
CO
ZIP
80643
Mailing
15857 BEAR MOUNTAIN BLVD., BAKERSFIELD, CA 93311
Inspection type
Federal Agency (M)
Scope
Complete (A)
Discipline
Health
Advance notice
No
Union status
B
Opened
Closing conference
Last modified
Data loaded
NAICS code
112120
Employees
35
Ownership type
A

6 citations on file for this inspection.

5(a)(1)

Serious Gravity 10 1 instance 2 exposed
Issued
Feb 19, 2026
Abate by
Mar 17, 2026
Penalty
Initial $16,550 · Current $16,550

Hazardous substances 1480

OSH ACT of 1970 Section (5)(a)(1): The employer did not furnish employment and a place of employment which were free from recognized hazards that were causing or likely to cause death or serious physical harm to employees in that employees were exposed to a hazardous atmosphere:   On or about August 20, 2025, the employer did not ensure employees were protected from atmospheric hazards, in that employees were fatally exposed to hydrogen sulfide (H2S) hazards produced from manure and/or manure water while working in the enclosed, underground, manure management system pump room.
Recent events (2)
  • — C (S) $16550
  • — Z (S) $16550

1910.1200 E01

Serious Gravity 10 1 instance 3 exposed
Issued
Feb 19, 2026
Abate by
Mar 17, 2026
Penalty
Initial $16,550 · Current $16,550

Hazardous substances 017005301480

29 CFR  1910.1200(e)(1):The employer did not develop, implement, and/or maintain at the workplace a written hazard communication program which describes how the criteria specified in 29 CFR 1910.1200(f), (g), and (h) will be met: (Agriculture Reference: 1928.21(a)(5)  On or about August 20, 2025, the employer did not develop or implement a written hazard communication program to communicate chemical hazards and measures needed to protect employees from chemical hazards while working in and around manure.  This condition exposed employees to inhalation hazards from manure gases including, but not limited to, hydrogen sulfide, methane, ammonia, and carbon dioxide.
Recent events (2)
  • — C (S) $16550
  • — Z (S) $16550

1910.1200 E02

Serious Gravity 10 2 instances 10 exposed
Issued
Feb 19, 2026
Abate by
Mar 17, 2026
Penalty
Initial $16,550 · Current $16,550

Hazardous substances 017005301480

29 CFR  1910.1200(e)(2): The employer that produced, used, or stored hazardous chemicals at the workplace in such a way that employees of other employer(s) could be exposed did not ensure that the hazard communication program included all of the elements outlined in 29 CFR 1910.1200(e)(2)(i) through 29 CFR 1910.1200(e)(2)(iii):   (a) On or around August 20, 2025, the employer did not ensure that it had a written hazard communication program that contained the methods it would use to inform contract employees of Fiske Incorporated, dba High Plains Robotics with necessary information on chemical hazards that may be present while performing work in and around manure. Specifically, the employer did not inform contract employers about the toxic gas hazards present with manure, did not provide Safety Data Sheets (SDS) for potentially present gases including but not limited to, hydrogen sulfide, methane, ammonia, and carbon dioxide, nor did they use appropriate hazardous labeling or establish precautionary and emergency measures to prevent employee overexposure.    (b) On or around August 20, 2025, the employer did not ensure that it had a written hazard communication program that contained the methods it would use to inform contract employees of HD Builders LLC with necessary information on chemical hazards that may be present while performing work in and around manure. Specifically, the employer did not inform contract employers about the toxic gas hazards present with manure, did not provide Safety Data Sheets (SDS) for potentially present gases including but not limited to, hydrogen sulfide, methane, ammonia, and carbon dioxide, nor did they use appropriate hazardous labeling or establish precautionary and emergency measures to prevent employee overexposure.
Recent events (2)
  • — C (S) $16550
  • — Z (S) $16550

1910.1200 H01

Serious Gravity 10 1 instance 3 exposed
Issued
Feb 19, 2026
Abate by
Mar 17, 2026
Penalty
Initial $16,550 · Current $16,550

Hazardous substances 017005301480

29 CFR  1910.1200(h)(1):  Employees were not provided effective information and training on hazardous chemicals in their work area at the time of their initial assignment and whenever a new hazard that the employees had not been previously trained about was introduced into their work area:  On or about August 20, 2025, employees working in and around manure were not provided with effective information or training on inhalation hazards from manure gases including, but not limited to, hydrogen sulfide, methane, ammonia, and carbon dioxide.
Recent events (2)
  • — C (S) $16550
  • — Z (S) $16550

1910.1200 H03 I

Serious Gravity 10 1 instance 3 exposed
Issued
Feb 19, 2026
Abate by
Mar 17, 2026
Penalty
Initial $16,550 · Current $16,550

Hazardous substances 017005301480

29 CFR  1910.1200(h)(3)(i):The employee training did not include the methods and observations used to detect the presence or release of a hazardous chemical in the work area:  On or about August 20, 2025, employees working in and around manure did not receive training on methods used to detect the presence or release of hydrogen sulfide and other manure gases, including the need to use air monitoring equipment such as four-gas monitors.  This condition exposes employees to inhalation hazards from manure gases including, but not limited to, hydrogen sulfide, methane, ammonia, and carbon dioxide.
Recent events (2)
  • — C (S) $16550
  • — Z (S) $16550

1904.40 A

Other-than-serious 1 instance 37 exposed
Issued
Feb 19, 2026
Penalty
Initial $2,364 · Current $2,364
29 CFR  1904.40(a):The employer did not provide an authorized government representative the records within the four business hours.  On August 21, 2025, the employer failed to provide a copy of the OSHA 300 and 300A logs within four business hours.
Recent events (2)
  • — C (O) $2364
  • — Z (O) $2364

View Prospect Ranch LLC'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 348459603.

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