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|c BK
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|a eng
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| 082 |
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|a 614.71
|b E79m
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| 245 |
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|a Monitoring and Air Quality Trends Report, 1973
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| 260 |
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|a North Carolina :
|b U. S. Environmental Protection Agency,
|c 1974
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| 300 |
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|a 270 p. ;
|b il.
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| 592 |
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|a List of Tables, vList of Figures, viiAbstract, ixList of Abbreviations, x1. Summary2. Introduction3. Status of Air Quality and Monitoring Activity4. Trends in Air Quality5. Special Topics6. Appendices: Summary of Data from Air Quality Monitoring Stations by Air Quality Control Region,1973
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| 999 |
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|c 93514
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|9 169330
|a 15
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|d 2012-08-15
|i 15002389
|o 614.71 E79m
|p 15002389
|r 2012-08-15
|t 1
|w 2012-08-15
|y BK
|