Lindsay Light Streeterville Thorium Monitoring Area MapYou may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.
Lindsay Light Streeterville Thorium Monitoring Area map (PDF)(1 pg, 2 MB,
The Thorium Monitoring Area encompasses all buildings and rights-of-ways within the three areas depicted north and south of the Chicago River. Where a boundary line runs along a street, thorium monitoring is required within the boundary line for both the properties and any sidewalks adjacent to the monitored properties.