Safety Incidents OSHA Severe Injury Reports · 2015–2025
3,913,242Inspections Most recent open 2026-07-13 Last loaded 2026-07-17

OSHA Inspection: HYDRODYNAMICS, INC.

Referral inspection · Health discipline

On , OSHA opened a referral health inspection of HYDRODYNAMICS, INC. in 1975 RUBY STREET, MELROSE PARK, IL 60161 (NAICS 000000). OSHA activity number 300951159.

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Establishment
HYDRODYNAMICS, INC.
Site address
1975 RUBY STREET
City
MELROSE PARK
State
IL
ZIP
60161
Mailing
330 WASHINGTON AVENUE, LAGRANGE, IL 60525
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
000000
SIC code (legacy)
1799
Employees
6
Ownership type
A

21 citations on file for this inspection.

5(a)(1)

Serious Gravity 10 1 instance 5 exposed
Issued
Abate by
Penalty
Initial $1500.00 · Current $625.00 Reduced
Section 5(a)(1) of the Occupational Safety and Health Act of 1970:  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)1975 Ruby Street, Melrose Park, IL - Employees of
Hydrodynamics, Inc. entered a confined space, a 3000
oil/separator tank 15, for the purpose of removing sludge, cleaning
tank interior walls, exposing employees to the potential of
asphyxiation and explosive and/or toxic atmospheres immediately
dangerous to life and health.  A confined space entry procedure
was not implemented and enforced which was specific for the
worker exposures to confined space hazards when cleaning and
sludging operations were performed.
Among other methods, one feasible and acceptable method to
correct these hazards is to establish and implement a confined
space entry program such as that specified in ANSI Z117.1 - 1989.
The program shall consist of the following:
1) Develop and utilize effective procedures for confined space
entry including but not limited to using a permit system,
ventilation, atmospheric testing, rescue procedures, employee
training, designation of a qualified person for standby and
emergency procedures.
2) The completion and posting of a confined space entry permit
which requires authorization and approval in writing that specifies
the location and type of work to be completed and certifies that all
existing hazards have been evaluated by a qualified person and the
necessary protective measures have been taken to ensure the safety
of each worker.
3) Mechanical ventilation of the confined space prior to entry and
continued ventilation of the space during operations to provide a
safe atmosphere.
4) Testing the atmosphere of the confined space prior to entry and
on a regular basis for the presence of sufficient oxygen (19.5)
and the absence of hazardous levels of toxic or combustible gases
or vapors.
5) Emergency procedures with requirements that trained personnel
are available and are stationed outside the confined space with
proper equipment to provide for the rescue of persons entering the
space.  Such equipment  must include a safety harness and lifelineswith
provisions for hoisting employees from the confined space.
If entry is required for rescue, the rescuing employee must be
equipped with approved air supplied/self-contained breathing
apparatus or other appropriate respiratory protection and personal
protective equipment.
6) Training shall be provided to all employees required to enter the
confined space or assist in rescue/emergency activities.  The
training shall include the procedures required prior to entry and the
hazards associated with work in the confined space, use of
protective equipment, testing and rescue equipment.
Recent events (2)
  • — F (S) $625.00
  • — Z (S) $1500.00

1926.21 B06 I

Serious Gravity 10 1 instance 5 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.59 E01

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Penalty
Initial $1050.00 · Current $375.00 Reduced
Recent events (2)
  • — F (S) $375.00
  • — Z (S) $1050.00

1926.59 H

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.65 B01 I

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Penalty
Initial $1050.00 · Current $375.00 Reduced
Recent events (2)
  • — F (S) $375.00
  • — Z (S) $1050.00

1926.65 B02 II

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.65 B04 II

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.65 D01

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Penalty
Initial $1050.00 · Current $375.00 Reduced
Recent events (2)
  • — F (S) $375.00
  • — Z (S) $1050.00

1926.65 E03 I

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Penalty
Initial $1050.00 · Current $375.00 Reduced
Recent events (2)
  • — F (S) $375.00
  • — Z (S) $1050.00

1926.65 E04

Serious Gravity 05 1 instance 4 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.65 F02 II

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Penalty
Initial $1050.00 · Current $375.00 Reduced
Recent events (2)
  • — F (S) $375.00
  • — Z (S) $1050.00

1926.65 F02 III

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.65 G03 I

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Penalty
Initial $1050.00 · Current $375.00 Reduced
Recent events (2)
  • — F (S) $375.00
  • — Z (S) $1050.00

1926.65 G05

Serious Gravity 05 1 instance 6 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.103 D02

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.65 H01 I

Serious Gravity 05 1 instance 6 exposed
Issued
Abate by
Penalty
Initial $1050.00 · Current $375.00 Reduced
Recent events (2)
  • — F (S) $375.00
  • — Z (S) $1050.00

1926.65 K02 I

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Penalty
Initial $1050.00 · Current $375.00 Reduced
Recent events (2)
  • — F (S) $375.00
  • — Z (S) $1050.00

1926.65 K02 III

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.65 K05 I

Serious Gravity 05 1 instance 4 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

1926.103 G05

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Penalty
Initial $1050.00 · Current $375.00 Reduced
Recent events (2)
  • — F (S) $375.00
  • — Z (S) $1050.00

1926.103 G05 I

Serious Gravity 05 1 instance 5 exposed
Issued
Abate by
Recent events (2)
  • — F (S)
  • — Z (S)

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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 300951159.