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Silica and Silicosis http://safetysolutionsatwork.com/blog/wp-content/uploads/2012/01/silica-lung1.jpg

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Title: Silica and Silicosis Author: Christina Davis Last modified by: Christina Davis Created Date: 10/30/2012 11:45:14 PM Document presentation format – PowerPoint PPT presentation

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Title: Silica and Silicosis http://safetysolutionsatwork.com/blog/wp-content/uploads/2012/01/silica-lung1.jpg


1
Silica and Silicosis http//safetysolutionsatwork.
com/blog/wp-content/uploads/2012/01/silica-lung1.j
pg
2
What is Silicosis?
  • Pneumonoultramicroscopicsilicovolcanoconiosis
  • a factitious word alleged to mean 'a lung
    disease caused by the inhalation of very fine
    silica dust, causing inflammation in the lungs
  • Presence of silica dust in the lungs causes scar
    tissue to form and build up over time
  • Not apparent until 20 years after exposure to
    silica

http//www.uic.edu/sph/glakes/harts1/HARTS_library
/silica.txt
3
Signs/Symptoms of Silicosis
  • Early stages scarring can be seen on x-ray
  • Frequent coughing/wheezing
  • Shortness of breath
  • Tiredness
  • End stages
  • Respiratory failure
  • Heart failure
  • Pneumonia

http//www.uic.edu/sph/glakes/harts1/HARTS_library
/silica.txt
4
Chronic/Accelerated/Acute
  • chronic silicosis the most common
  • Long-term exposure (10-20 years or longer)
  • Present as a disease entity in lungs 5-10 years
    before symptoms lead to diagnosis
  • accelerated silicosis
  • Rapidly progressive symptoms after 5-10 years of
    exposure
  • acute silicosis
  • Occurs after exposure to high concentrations of
    silica dust
  • Symptoms show within weeks to months of exposure

http//www.beltina.org/health-dictionary/silicosis
-lung-disease-symptoms-treatment.html
5
Medical Treatment
  • NONE
  • End result of silicosis is death
  • Those with silicosis are also more susceptible
    to
  • Tuberculosis
  • Lung cancer
  • Heart attacks
  • Connective tissue diseases

http//www.uic.edu/sph/glakes/harts1/HARTS_library
/silica.txt
6
Silicosis
Severe Silicosis
Healthy Lungs
7
How to Protect Yourself
  • Be cautious when getting powder silica gel
  • Keep the silica in the hood
  • Avoid taking deep breaths while dispensing
  • Wear a protective dust mask if possible
  • Try not to agitate the powder during dispensing

8
Other Options for Dispensing?
  • Dr. Arambula talked to EHS and Fisher Scientific
    about finding a way to safely dispense the
    powder
  • Large gravity dispenser might keep the level of
    silica particles in the air to a minimum
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