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NOISE ENGINEERING DESIGN
When hearing protection and administrative controls cannot be employed to reduce noise exposures, EI’s engineering team assists our industrial clients in the identification and design of noise engineering controls. Engineering controls for excessive noise can be developed for isolated pieces of manufacturing equipment or entire industrial process lines. Initial steps require performing sounds level facility surveys and personnel noise dosimeter monitoring of manufacturing personnel by experienced industrial hygienists. Noise monitoring results are utilized to determine specific sources of excessive noise, as well as the mechanism of sound generation/propagation emitted by the excessive noise source. Multiple sources of noise will subsequently be “rank ordered”, which will allow for a range of possible engineering controls, typically addressing the loudest sound sources first. EI’s professionals segregate excessive noise sources into two distinct classes, vibrational noise and noise turbulence.
Once all specific noise sources are identified, EI utilizes the following logical approach to determine the optimal systems to reduce/control excessive noise:
- Substitution of equipment (fundamental first step)
- Categorization of source into vibrational noise and turbulence based noise
- Reduction of driving forces which cause excessive noise
a. Decreasing machine speed
b. Maintaining dynamic balance
c. Provide vibrational isolation
d. Increasing impact duration, while reducing the force of impact
- Reduce response of vibrating surfaces
- Reduce area of vibrating surfaces
- Reorienting directional noise sources
- Reduction in velocity of fluid flow (air ejection systems, valves, vents and piping)
- Provide sound absorption alternatives
- Design and installation of equipment and personnel noise enclosures
Let EI’s team of industrial hygienists and engineers work collaboratively to identify and provide cost-effective engineering solutions reduce exposure of your workforce to excessive noise.
IN NEED OF OUR SERVICES?
EI’s commitment to service has been amply demonstrated on past projects. Yet again, this commitment has been clearly demonstrated by nimble agility of short notice staff scheduling. The dedicated professionals of The EI Group have exceeded our expectations.
The pathogen occupying all of our thoughts at present is transmitted from person-to-person primarily via virus-impacted droplets that are generated when infected persons cough, sneeze or speak. Studies have found that the COVID-19 virus can remain viable on surfaces for several hours up to days, including up to 24 hours on cardboard and up to three days on plastic and stainless steel.
EI has been closely monitoring the ongoing COVID-19 pandemic and documenting its progress and impact in a series of blogs beginning late January. Early in this series we addressed the importance of updating corporate business contingency plans to include key strategies which address the impact of COVID-19 on employees/business operations. EI’s third blog addressed proper personal protective equipment to minimize exposure to the pathogen, including a comparison of the effectiveness of N95 respirators versus surgical masks.
As the virus (newly dubbed COVID-19 by the World Health Organization) accelerates and spreads beyond Chinese borders, businesses are deploying increasingly rigorous measures to limit the spread of the potential pandemic. Most news articles covering the spread of the virus include photos of travelers or government officials wearing surgical masks. But how effective will surgical masks for respiratory protection from the pathogen turn out to be? Is a surgical mask enough or is an N95 respirator needed?
Part II: Business Contingency Planning For the Wuhan Coronavirus Pandemic – Is Your Corporation Prepared?
Just one week ago, The EI Group updated our blog recipients on the state of the emerging coronavirus. In just one week, mortality has vastly exceeded the SARS virus (349 versus 560 coronavirus fatalities). Reported cases of the coronavirus have eclipsed 28,000, nearly a seven-fold increase in only one week! In contrast, the entire SARS outbreak resulted in only 5,327 infected.
Part I: Business Contingency Planning For the Wuhan Coronavirus Pandemic – Is Your Corporation Prepared?
News about the 2019 Novel Coronavirus (2019-nCoV), commonly known as the “Wuhan Coronavirus,” has dominated the headlines for days now. Over 4,500 cases have now been confirmed in Mainland China and 106 people are dead as the death toll continues to rise. The virus has some link to a large seafood and animal market, suggesting animal-to-person spread. However, a growing number of patients have reportedly not had exposure to the animal markets, indicating person-to-person spread is occurring.
EPCRA Reporting Requirements: Is Your Company Subject to Annual Tier II and Toxic Release Inventory Reporting Basics?
The Emergency Planning and Community Right-to-Know Act (EPCRA) was passed in 1986 in response to concerns regarding the environmental and safety hazards posed by the storage and handling of toxic chemicals. These concerns were triggered by the 1984 disaster in Bhopal, India, caused by an accidental release of methylisocyanate. The release killed or severely injured more than 2,000 people.
The Resource Conservation and Recovery Act (RCRA), enacted in 1976, is the principal Federal law in the United States governing the proper management and disposal of hazardous waste. The law describes the waste management program mandated by Congress that gave the United States Environmental Protection Agency (EPA) the authority to develop the RCRA program.
Heart disease is the leading cause of death in the United States, according to the American Heart Association. Sudden Cardiac Arrest (SCA) occurs when the heart stops beating and without immediate assistance, the person will ultimately die where they fell. SCA is far different than a person experiencing a heart attack. A person suffering a heart attack may have chest pain, trouble breathing, and become nauseated and sweaty. If these symptoms are recognized quickly and the person is treated in a hospital, statistics show that 90% of heart attack victims will survive.
The face of occupational health and safety is changing. Many manufacturing facilities have realized that having a paramedic on-site has many benefits. Paramedics today are stepping into the occupational healthh setting by staffing on-site clinics and providing medical care to employees, completing Job Hazard Analyses (JHA’s) and finding new and innovative ways to manage a safe work environment.
A colleague recently received a pair of noise cancelling headphones as a gift during the holiday season. In an office surrounded by the buzz of phones, printers, and watercooler discussions of the latest binge-worthy shows; I decided to mask my jealousy by researching...