Sampling Data Compared to Cleanup Levels: Arsenic.  
Note: These maps cover the results for school and non-school properties; which included 65 residential yards, Public Housing, rights-of-way, a church, drainage ditches, and off-site Walter Coke property. 

• Sampling Data Compared to Cleanup Levels: Arsenic (PDF)(1 pg, 1 MB, April 2011)