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| Content Provider | Springer Nature Link |
|---|---|
| Author | Siddique, N. Jawad, M. Waheed, S. |
| Copyright Year | 2012 |
| Abstract | Twenty-eight pairs of coarse and fine air particulate samples were collected in front of an automotive workshop located at Tasmasipabad on Chaklala Road in Rawalpindi using a Gent sampler and polycarbonate filters. These samples were collected during the period; 7th to 27th of April 2009. The gravimetric data (PM$_{2.5}$ and PM$_{10}$) were obtained for these samples and were found to exceed the Pakistani standards. Black carbon (BC) was also determined using reflectance measurements and it was found that BC contributed significantly more to the fine mass than to the coarse fraction; i.e. ~10 to ~3 %, respectively. This is not surprising as soot is emitted by combustion processes and is usually found in the fine particulate mass. Using instrumental neutron activation analysis technique all 28 pairs of filters were analyzed for >30 elements. Major elements, in the coarse mass fraction, include Al, K, Fe, Sr, Na, and Zn implying soil as the major source while BC was found to be a higher contributor of PM$_{2.5}$. An episode of high PM$_{2.5}$ was observed on the 18th of April 2009. Back trajectory analysis showed that the air mass originated from the Middle East where a dust storm was in progress over Iraq. |
| Starting Page | 179 |
| Ending Page | 190 |
| Page Count | 12 |
| File Format | |
| ISSN | 02365731 |
| Journal | Journal of Radioanalytical and Nuclear Chemistry |
| Volume Number | 295 |
| Issue Number | 1 |
| e-ISSN | 15882780 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2012-08-26 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Automotive workshops Instrumental neutron activation analysis (INAA) Black carbon (BC) Enrichment factor (EF) Dispersion of pollutants HYSPLIT Nuclear Chemistry Physical Chemistry Nuclear Physics, Heavy Ions, Hadrons Diagnostic Radiology Inorganic Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Pollution Health, Toxicology and Mutagenesis Radiology, Nuclear Medicine and Imaging Analytical Chemistry Public Health, Environmental and Occupational Health Nuclear Energy and Engineering |
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