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Contact: Clark King
The California Air Resources Board (ARB), San Diego County
Air Pollution Control District (SDAPCD), South Coast Air Quality
Management District (SCAQMD), Ventura County Air Pollution Control
District (VCAPCD), U.S. Environmental Protection Agency (EPA - Region
IX), and the U.S. Navy are conducting the 1997 Southern California
Ozone Study (SCOS97). North American Research Strategy for Tropospheric
Ozone (NARSTO) guidelines will be followed during data capture and
quality control. The goals of the study are to update and to improve the
existing aerometric and emission databases and model applications for
representing urban-scale ozone episodes in southern California, and to
qualify the contributions of ozone generated from emissions in one
southern California air basin to federal and state ozone standard
exceedances in neighboring air basins. These goals are to be met through
a five-year process which includes analysis of existing data; execution
of a large-scale field study to acquire a comprehensive database to
support modeling and analysis; analysis of the data collected during
the field study; and the development, evaluation, and application of
air quality simulation model for southern California. SCOS97 is intended
to provide another milestone in the understanding of relationships
between emissions, transport, ozone standard exceedances in southern
California as well as to facilitate planning for further emission
reductions needed to attain the NAAQS (National Ambient Air Quality
Standard). [Information in this paragraph was obtained from a field
study plan for SCOS97 prepared by the Desert Research Institute (DRI)
for the California Air Resources Board.]
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