Figure 1From: Spatial variations in the incidence of breast cancer and potential risks associated with soil dioxin contamination in Midland, Saginaw, and Bay Counties, Michigan, USA Study area. The study area shows sampling locations and corresponding dioxin levels, Tittabawassee River and its floodplain, and major cities. Michigan soil generic residential direct contact criterion for dioxins (RDCC) is 90 ppt TEQ.Back to article page