Making chemicals safe and sustainable Flashcards

1
Q

What is the issue with some toxic chemicals that there is inadequate data to judge their safety with?

A

We are unsure as the to the implications they could have and some can persist in the environment, be carried long distances and may accumulate in food and human tissue

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2
Q

What is PVC and what does it contain?

A

PVC is a polymer that contains chlorine, carbon and hydrogen

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3
Q

What are the implications of adding plasticisers to PVC to soften it?

A

Adding plasticisers to soften means that they can leach into the surroundings and have a harmful effect, with some being carcinogenic

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4
Q

What are the stages of a life cycle assessment?

A

MUD is also known as manufacture, use and disposal. This is sometimes called the ‘cradle, use, grave’ assessment.

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5
Q

What must be considered at each stage of the LCA?

A

How much natural resources are required? How much energy is needed and produced? How much water and air is used?
How is the environment affected?

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