000 01876nam##2200301za#4500
0019.609128
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008150406|1990||||xxc|||||     f|0| 0 eng|d
020 |a0-662-17805-X
022 |a0843-6193
040 |aCaOODSP|beng
043 |an-cn---
0861 |aEn1-11/90-1E
1101 |aCanada. |bEnvironment Canada. |bState of the Environment Reporting.
24510|aCanadian perspectives on air pollution / |cby J. Hilborn and M. Still.
260 |aOttawa - Ontario : |bEnvironment Canada. |c1990.
300 |a81p. : |bgraphs, maps, references ; |c28 cm.
4901 |aState of the environment report|x0843-6193|vSOE 90-1
500 |a"In this State of the Environment report, we discuss the causes of some of these local and atmospheric air pollution problems, as well as their general effects on both human health and the environment. We then detail the sources, emissions, levels, and environmental and human health effects of the six common air pollutants -- airborne particulates, sulphur dioxide, carbon monoxide, nitrogen oxides, ground-level ozone, and hydrocarbons."--Page 3.
5203 |aIn this State of the Environment report, we discuss the causes of some of these local and atmospheric air pollution problems, as well as their general effects on both human health and the environment. We then detail the sources, emissions, levels, and environmental and human health effects of the six common air pollutants -- airborne particulates, sulphur dioxide, carbon monoxide, nitrogen oxides, ground-level ozone, and hydrocarbons.--Page 3
563 |aSoftcover
590 |a91-09|b1991-03-01
7201 |aHilborn, J.
7201 |aStill, M.
7760#|tCanadian perspectives on air pollution / |w(CaOODSP)9.892646
830#0|aState of the environment report,|x0843-6193|vSOE 90-1|w(CaOODSP)9.514530