Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,214Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

LAKE ST LOUIS, MO —

OSHA Inspection: KOLB GRADING LLC

Complaint inspection · Safety discipline

At a glance

On , OSHA opened a complaint safety inspection of KOLB GRADING LLC in 1910 DUELLO RD., LAKE ST LOUIS, MO 63367 (NAICS 238910). OSHA activity number 342621877.

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Where did this inspection happen?

Establishment
KOLB GRADING LLC
Site address
1910 DUELLO RD.
City
LAKE ST LOUIS
State
MO
ZIP
63367
Mailing
5731 WESTWOOD, WELDON SPRING, MO 63304

What kind of inspection was it?

Inspection type
Complaint (B)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
A

When did the case open and close?

Opened
Closing conference
Case closed
Last modified
Data loaded

Establishment context

NAICS code
238910
Employees
2
Ownership type
A

Citations

1 citation on file for this inspection.

1926.905 H

Serious Gravity 10 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $11408.00 · Current $7000.00 Reduced

General-duty citation text

29 CFR 1926.905(h): Equipment was in operation within 50 feet of bore holes loaded with explosives:     On or about 09/07/2017, Kolb Grading LLC, located at 5731 Westwood, Weldon Spring, MO, had a Sandvik Ranger DX800 drilling holes for explosive purposes.  Holes were being drilled within 50 feet of holes loaded with explosives at the site.  The site was located at or around 1910 Duello Road, Lake St. Louis, MO.
Recent events (2)
  • — I (S) $7000
  • — Z (S) $11408

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Source

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 342621877.