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| Spokane |
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| Spokane Washington is 40 km (25 mi) southeast of SPOK1. Columbia Plateau
sources including agricultural and crustal (dust) components may impact the
site. Highest aerosol concentrations may result during summertime western
wildland fire episodes. |
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| Major emission source types and source regions
responsible for haze |
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| Figure 6. Regional SO2 point emissions |
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Last updated 8 June 2005
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