Jove
Visualize
Contact Us

Related Experiment Videos

Industrial noise control.

Patrick J Brooks1

  • 1United McGill Corp., Grovepart, Ohio, USA.

Occupational Health & Safety (Waco, Tex.)
|November 2, 2007
PubMed
Summary
This summary is machine-generated.

Option E effectively reduces noise levels below 85 dBA, allowing for eight-hour worker exposure without hearing conservation programs. Other options necessitate limited exposure times due to higher sound levels.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same journal

Second Circle Leadership.

Occupational health & safety (Waco, Tex.)·2018
Same journal

Why Leadership Development Efforts Will Continue to Fail.

Occupational health & safety (Waco, Tex.)·2018
Same journal

How Protective Eyewear Has Changed Dramatically Over the Decades.

Occupational health & safety (Waco, Tex.)·2018
Same journal

Safety Eyewear for Computer Vision Syndrome.

Occupational health & safety (Waco, Tex.)·2018
Same journal

Your Eyes Are Amazing—They Deserve Quality PPE.

Occupational health & safety (Waco, Tex.)·2018
Same journal

Key Requirements for Employees Transporting Hazmats.

Occupational health & safety (Waco, Tex.)·2018
See all related articles
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Area of Science:

  • Occupational Health and Safety
  • Acoustics Engineering
  • Industrial Hygiene

Background:

  • Industrial machinery, such as parts tumblers, can generate high noise levels.
  • Prolonged exposure to elevated sound levels poses risks to worker hearing.
  • Regulatory standards, like those from OSHA, mandate hearing protection based on exposure duration and intensity.

Purpose of the Study:

  • To evaluate the effectiveness of different noise reduction strategies for a parts tumbler.
  • To determine permissible exposure times for workers under various noise reduction scenarios.

Main Methods:

  • Assessing sound levels (dBA) produced by a parts tumbler under different operational conditions and with various mitigation options.
  • Calculating permissible noise exposure durations based on established occupational safety guidelines (e.g., OSHA standards).

Related Experiment Videos

Main Results:

  • Only Option E reduced sound levels below 90 dBA, specifically to below 85 dBA, enabling up to eight hours of exposure.
  • Other evaluated options (B, C, D) resulted in higher sound levels (105, 98, 91 dBA respectively), requiring significantly limited daily exposure durations (1, 2, and 7 hours).
  • The untreated sound level of 112 dBA permits only about 15 minutes of exposure without hearing protection.

Conclusions:

  • Option E is the most effective noise reduction strategy, meeting OSHA's hearing conservation program threshold and allowing for full workday exposure.
  • The optimal solution depends on the parts tumbler's operational duration and the feasibility of implementing physical controls like barriers or enclosures.
  • Professional evaluation by an acoustician is recommended for tailored noise control solutions.