Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,645Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

OSHA Inspection: KOLB GRADING LLC

Complaint inspection · Health discipline

On , OSHA opened a complaint health inspection of KOLB GRADING LLC in 1910 DUELLO RD., LAKE ST LOUIS, MO 63367 (NAICS 238910). OSHA activity number 342622461.

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Establishment
KOLB GRADING LLC
Site address
1910 DUELLO RD.
City
LAKE ST LOUIS
State
MO
ZIP
63367
Mailing
5731 WESTWOOD, WELDON SPRING, MO 63304
Inspection type
Complaint (B)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
A
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238910
Employees
2
Ownership type
A

1 citation on file for this inspection.

1926.52 D01

Other-than-serious 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $0.00 · Current $0.00
29 CFR 1926.52(d)(1): In all cases where the sound levels exceeded the values shown in Table D-2 of 29 CFR 1926.52, a continuing, effective hearing conservation program was not administered:  At the Lake St. Louis land development clearing site, noise levels exceeded 97 dBA during working hours, at durations greater than 3 hours, with levels less than 97 dBA for the remainder of the work day, a hearing conservation program was not established, including annual hearing tests.    Abatement documentation is required for this violation.
Recent events (2)
  • — I (O) $0
  • — Z (O) $0

View KOLB GRADING 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 342622461.