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Savanna Nagorski
University of Washington - Tacoma
Sustainable Urban Development
GIS Certificate Program
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Arsenic and Lead soil testing data from WAGDA; Child Density derived from Census
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Created a continuous surface to represent toxic levels from all points using "Kriging" tool
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Interpolated child density
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Raster calculator to add values of child density and toxic soil levels
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Location of most concern is Tacoma, an older urban environment with contaminations from industrial era
Lab Four
Toxic Soils in Pierce County
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Challenged the bonus to show arsenic levels of concern in residential areas
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Extracted arsenic data that contained more than 20ppm
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Spatial query to achieve the goal of finding these points in residential areas
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