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9 Cards in this Set
- Front
- Back
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OSHA Standard: Confined Spaces
-definition |
Permit Required Confined Spaces
1) hazardous atmosphere 2) potential to engulf someone who enters 3) potential to trap 4) contains a safety or health hazard |
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What is risk a function of?
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hazard, exposure, and vulnerability
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Types of hazards in confined spaces
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physical
oxygen levels toxic engulfment |
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Silicatosis
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fatal disease caused by silica dust when cutting concrete - can cause deep lung scar tissue
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What does exposure depend on?
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frequency, intensity, and duration of contact
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Methylene chloride
(example from class) -what is it? -what are its properties? |
it's used in paint stripping (banned in Europe, most prevalent chemical in US for this)
forms CO from the metabolic pathway: methylene chloride --> CO, which is dangerous because CO binds to hemoglobin antagonistically and displaces oxygen higher vapor density, settles... lower boiling point, tends to be a vapor |
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Wagner Act
(aka?) what is it? |
(aka the National Labor Relations Act of 1935)
established the right of workers to organize and negotiate collectively with employers. |
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Green-Chemistry Law - Safer Consumer Products Regulations
what is it? who regulates it? |
Law advising the public of chemical dangers...
an agency is going to select products that contain one of 164 chemicals that have been identified as dangerous to health or the environment. Department of Toxic Substances Controls will select 5 products - recommend that the manufacturers choose to use safer alternatives |
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Weakness in Toxic Substances Control Act?
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Market barrier to green chemistry... chemicals that are good are undervalued, due to the chemical function of other products
need to close gaps in: data, safety, technology |
