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Name: Gary C.
Status: Other
Age: 50s
Location: N/A
Country: N/A
Date: November 8, 2002


Question:
Why are the emissions of the volcano (Mt. Erabus) not considered when determining the cause of the ozone hole at the south pole?



Replies:
Gary,

The chemicals causing the ozone depletion over Antarctica are man-made CFCs (chlorofluorocarbons), which are not produced naturally by nature in any form (including volcanoes). That is why the emissions from Mt. Erabus are not considered.

David R. Cook
Atmospheric Research Section
Environmental Research Division
Argonne National Laboratory



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