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| 01756cam 2200301za 4500 |
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001 | 9.611596 |
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003 | CaOODSP |
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005 | 20230110141057 |
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007 | ta |
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008 | 150406|1994||||xxc||||| f|0| 0 eng d |
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020 | |a0-662-22635-6 |
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040 | |aCaOODSP|beng |
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043 | |an-cn--- |
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086 | 1 |aEn49-8/7-4E |
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110 | 1 |aCanada. |bEnvironment Canada. |bEnvironmental Protection Service. |
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245 | 10|aNational urban air quality trends, 1981-1990 / |cby Tom Furmanczyk. Issued by the Pollution Data Branch, Response Assessment Directorate. |
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260 | |aOttawa - Ontario : |bEnvironment Canada. |c1994. |
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300 | |axiv, 57p. : |bfigs., graphs, references, tables ; |c28 cm. |
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490 | 1 |aEnvironmental Protection series. Urban pollution|vEPS 7/UP/4 |
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500 | |a"This is the eighth in a series of reports issued by Environment Canada on ambient air quality trends. Its purpose is to report trends in the ambient air quality data collected through the National Air Pollution Surveillance (NAPS) Network and to identify significant changes by statistical and other forms of analysis."--Introduction. |
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520 | 3 |aThis is the eighth in a series of reports issued by Environment Canada on ambient air quality trends. Its purpose is to report trends in the ambient air quality data collected through the National Air Pollution Surveillance (NAPS) Network and to identify significant changes by statistical and other forms of analysis.--Introduction |
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563 | |aSoftcover |
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590 | |a96-30|b1996-07-26 |
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690 | 07|aAir quality|2gcpds |
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720 | 1 |aFurmanczyk, Tom |
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776 | 0#|tNational urban air quality trends, 1981-1990 / |w(CaOODSP)9.918974 |
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830 | #0|aEnvironmental Protection series. Urban pollution ;|vEPS 7/UP/4|w(CaOODSP)9.514583 |
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