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  • Arsenic and Lead soil testing data from WAGDA; Child Density derived from Census

  • Created a continuous surface to represent toxic levels from all points using "Kriging" tool

  • Interpolated child density

  • Raster calculator to add values of child density and toxic soil levels

  • Location of most concern is Tacoma, an older urban environment with contaminations from industrial era

Lab Four
Toxic Soils in Pierce County

 

 

  • Challenged the bonus to show arsenic levels of concern in residential areas

  • Extracted arsenic data that contained more than 20ppm

  • ​Spatial query to achieve the goal of finding these points in residential areas

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