PANs in the Atmosphere |
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| Authors: | A P Altshuller |
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| Institution: | U.S. Environmental Protection Agency , Research Triangle Park , North Carolina , USA |
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| Abstract: | The types of PANs and PBzNs present or possibly present in the ambient atmosphere are discussed. Biological activities of the PANs and PBzNs are briefly considered. The concentration and composition of PANs in the atmosphere are discussed and calculations made of the production of RGO radicals from precursor alkanes, alkenes and aromatic hydrocarbons present in the atmosphere. Lifetimes of PANs are estimated, and the effects of transport on the composition of PANs is evaluated. |
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