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This document contains the scientific assessment of Ground Level Ozone effects on human health, vegetation, materials and animals. The document was prepared primarily as a compilation of the Canadian 1996 NOx/VOC Science Assessment Reports2. Consequently, background sections of the document, included to provide contextual information for understanding the material on effects, have not been updated since publication of the NOxVOC reports. The information on health and environmental effects was augmented by a review of the most recent peer-reviewed and publicly available literature, current to mid-1997. The issue of the human health effects of ozone is, in particular, a field of inquiry that is evolving rapidly. The document itself has been externally peer-reviewed. Although prepared in support of revisions to the current NAAQOs for ground level ozone, this document will be used as scientific support for the development of Canada Wide Standards for ground-level ozone.
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