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Trends in Emissions of PM,SO x and NO X,and VOC:NO X Ratios and Their Implications for Trends in pH near Industrialized Areas |
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| Authors: | Douglas M Costle |
| Institution: | Administrator , U.S. Environmental Protection Agency |
| Abstract: | The following address was presented by Mr. Costle on June 23 at the opening plenary session of the 73rd APCA Annual Meeting and Exhibition in Montreal. |
| Keywords: | |