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

OSHA Inspection: LOUKONEN BROS. STONE COMPANY

Referral inspection · Health discipline

On , OSHA opened a referral health inspection of LOUKONEN BROS. STONE COMPANY in 12993 N. FOOTHILLS HWY., LONGMONT, CO 80503 (NAICS 327991). OSHA activity number 307529248.

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Site address
12993 N. FOOTHILLS HWY.
City
LONGMONT
State
CO
ZIP
80503
Mailing
12993 N. FOOTHILLS HWY, LONGMONT, CO 80503
Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
N
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
327991
SIC code (legacy)
3281
Employees
16
Ownership type
A

37 citations on file for this inspection.

5(a)(1)

Other-than-serious Gravity 02 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Penalty
Initial $600 · Current $360 Reduced
Section 5(a)(1) of the Occupational Safety and Health Act of 1970: The
employer did not
furnish to each of his employees 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 the potential hazard of a
"being struck by
plastic projectiles from a ruptured polyvinyl chloride (PVC) compressed
air line":
(a) Loukonen Bros. Stone Company: In the Saw Building, along the South
wall and
Southeast Work Bench, there was a PVC compressed air line that was not
enclosed in
a conduit or casing.  This situation would be contrary to the requirements
listed in
American National Standards Institute/American Society of Mechanical
Engineers
(ANSI/ASME) B31.8-1986, Gas Transmission and Distribution Piping Systems
Standard, limit the operating pressure of plastic piping distribution
systems to 100
pounds per inch (psi) and prohibit the installation of such systems above
ground
except where ". . . the above ground portion of the plastic service line
is completely
enclosed in a conduit or casing of sufficient strength to provide
protection from
external damage and deterioration."  Among other methods, one feasible and
acceptable method to correct this hazard is to replace the present PVC
compressed air
line with an approved compressed air line piping system, e.g., "Duraplus"
ABS pipe.
Abatement Note:  Abatement certification is required for this item (See
enclosed "Sample
Abatement-Certification Letter").-Certification
Recent events (2)
  • — I (O) $360.00
  • — Z (S) $600.00

1910.23 C01

Serious Gravity 02 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 24, 2005
Penalty
Initial $600 · Current $360 Reduced
Recent events (2)
  • — I (S) $360.00
  • — Z (S) $600.00

1910.24 H

Serious Gravity 02 2 instances 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 24, 2005

1910.132 D02

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Penalty
Initial $450 · Current $270 Reduced
Recent events (2)
  • — I (O) $270.00
  • — Z (S) $450.00

1910.132 F04

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (S)

1910.136 A

Serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 14, 2005

1910.212 A03 II

Serious Gravity 03 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Penalty
Initial $750 · Current $450 Reduced
Recent events (2)
  • — I (S) $450.00
  • — Z (S) $750.00

1910.213 D01

Serious Gravity 02 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 19, 2005
Penalty
Initial $600 · Current $360 Reduced
Recent events (2)
  • — I (S) $360.00
  • — Z (S) $600.00

1910.215 A03

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 7, 2005
Penalty
Initial $450 · Current $270 Reduced
Recent events (2)
  • — I (O) $270.00
  • — Z (S) $450.00

1910.215 A04

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 7, 2005
Recent events (2)
  • — I (O)
  • — Z (S)

1910.219 C02

Serious Gravity 02 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 7, 2005
Penalty
Initial $600 · Current $360 Reduced
Recent events (2)
  • — I (S) $360.00
  • — Z (S) $600.00

1910.219 D01

Deleted Serious Gravity 02 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 19, 2005
Penalty
Initial $600
Recent events (2)
  • — I (S)
  • — Z (S) $600.00

1910.219 E01 I

Deleted Serious Gravity 02 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 19, 2005
Recent events (2)
  • — I (S)
  • — Z (S)

1910.303 C

Serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 14, 2005
Penalty
Initial $450 · Current $270 Reduced
Recent events (2)
  • — I (S) $270.00
  • — Z (S) $450.00

1910.305 B02

Other-than-serious Gravity 01 2 instances 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 9, 2005
Penalty
Initial $450 · Current $270 Reduced
Recent events (2)
  • — I (O) $270.00
  • — Z (S) $450.00

1910.305 E02

Serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 9, 2005

1910.305 J02 II

Serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 9, 2005

1910.305 F

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 7, 2005
Penalty
Initial $450 · Current $270 Reduced
Recent events (2)
  • — I (O) $270.00
  • — Z (S) $450.00

1910.305 G01 IIIA

Serious Gravity 01 4 instances 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 7, 2005

1910.305 G02 III

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 7, 2005
Recent events (2)
  • — I (O)
  • — Z (S)

1910.134 A02

Serious Gravity 10 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Penalty
Initial $1,500 · Current $900 Reduced

Hazardous substances 9010

Recent events (2)
  • — I (S) $900.00
  • — Z (S) $1500.00

1910.1000 C

Serious Gravity 10 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Dec 31, 2005

Hazardous substances 9010

1910.1000 E

Serious Gravity 10 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Dec 31, 2005

Hazardous substances 9010

Recent events (2)
  • — I (S)
  • — Z (S)

1904.29 A

Other-than-serious Gravity 00 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 3, 2005

1904.32 B06

Other-than-serious Gravity 00 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 3, 2005

1910.22 D01

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.134 H02 I

Deleted Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Jul 7, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.134 K06

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.178 L01 I

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 25, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.178 Q07

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.305 J01 I

Other-than-serious Gravity 01 2 instances 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.1200 E01

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.1200 E01 I

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.1200 F05 II

Other-than-serious Gravity 01 2 instances 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.1200 G01

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.1200 G08

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

1910.1200 H01

Other-than-serious Gravity 01 1 instance 10 exposed
Issued
Jul 1, 2005
Abate by
Aug 15, 2005
Recent events (2)
  • — I (O)
  • — Z (O)

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 307529248.

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