The Waste Stream Flashcards
What are the Categories for the waste stream ?
Green
Yellow
Red
Gray
How many categories are there?
4
Describe the green category:
Little or no risk to environment or human health from using this substance.
Describe the yellow category:
Low to moderate risk associated with using this material. Unless you can substitute this material with one that is rated green, it is acceptable for use.
Describe the red category:
High impact and risk to the environment and human health from using this material. A strategy for phasing out this material and replacing it with a green or yellow material needs to be developed.
Describe the gray category:
Risk data is missing or incomplete. Further investigation and research is needed in order to rate the material.