| Main Title |
Impact of Natural Hydrocarbons on Air Quality. |
| Author |
Bufalini, Joseph J.
|
| CORP Author |
Environmental Sciences Research Lab., Research Triangle Park, NC. |
| Year Published |
1980 |
| Report Number |
EPA 600/2-80-086 |
| Stock Number |
PB80-202377 |
| OCLC Number |
29171068 |
| Additional Subjects |
Hydrocarbons ;
Air pollution ;
Ozone ;
Sources ;
Smog ;
Air quality ;
Biological processes
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EHAM |
EPA 600/2-80-086 |
|
Region 1 Library/Boston,MA |
05/25/2016 |
| EJBD |
EPA 600-2-80-086 |
|
Headquarters Library/Washington,DC |
04/05/2016 |
| EKBD |
EPA-600/2-80-086 |
|
Research Triangle Park Library/RTP, NC |
07/04/2003 |
| ELBD ARCHIVE |
EPA 600-2-80-086 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
| ERAD |
EPA 600/2-80-086 |
|
Region 9 Library/San Francisco,CA |
10/09/2012 |
| ESAD |
EPA 600-2-80-086 |
|
Region 10 Library/Seattle,WA |
03/23/2010 |
| NTIS |
PB80-202377 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
viii, 59 pages, 28 cm |
| Abstract |
The emissions, reactivities, and ozone-forming potential of natural hydrocarbons are discussed. A review of the data available on emission levels for natural hydrocarbons indicates that much more information is needed in order to quantify the absolute emission levels, because emissions data do not agree with ambient air measurements. These ambient air measurements suggest that the previous published value of 9 x 10 to the 8th power ton/yr needs to be lowered to 10 to the 6th power - 10 to the 7th power ton/yr. Emissions may be overpredicted by a factor of 15 to 20, as indicated by back calculations using a simple diffusion trajectory model. Isoprene, when compared to the monoterpenes, is much more efficient in producing ozone through photoxidation in the presence of NOx. This greater ozone production apparently occurs because of the large amount of carbon consumed in the formation of aerosols for the monoterpenes. Since rural areas have very low levels of NOx, vegetative emissions may in fact act as sinks for ozone rather than as sources. All areas investigated show very low levels of natural hydrocarbons, suggesting that even if NOx were available, very low levels of ozone would be produced. Air quality is thus not found to be significantly affected by vegetative emissions. |
| Notes |
EPA 600/2-80-086. May 1980. |
| Place Published |
Research Triangle Park, NC, |
| Access Notes |
Also available via the World Wide Web. |
| PUB Date Free Form |
1980 |
| NTIS Prices |
PC A04/MF A01 |
| BIB Level |
m |
| Medium |
unmediated |
| Content |
text |
| Carrier |
volume |
| Cataloging Source |
OCLC/T |
| OCLC Time Stamp |
20160419143506 |
| Language |
eng |
| Origin |
OCLC |
| Type |
MERGE |
| OCLC Rec Leader |
00791cam 2200265K 45020 |
