Scientific Investigations Report 2012–5068
Figure 1. Cities where samples were collected from wastewater-treatment plants and stormwater runoff in the Columbia River Basin, Washington and Oregon, 2008–10. |
First posted April 25, 2012 For additional information contact: Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge. |