All Data except Point Petre
Data presented here for Eagle Harbor, Brule River, Chicago, Sleeping Bear Dunes, Cleveland, and Sturgeon Point are those acquired for the Integrated Atmospheric Deposition Network. Data from from 1990 to 1993 were acquired by the Illinois Water Survey and data from 1994 onward were acquired by Indiana University. Downloaded data represent the official dataset for these sampling locations. The data presented here have gone through extensive QA/QC but have not been blank-subtracted. For more information on Quality documents and Standard Operating Protocols contact us.