Scientific Investigations Report 2013–5001
![]() Figure 12. Seasonal patterns in disinfection by-product benchmark quotients (concentrations relative to drinking‑water standards) for (A) four trihalomethanes and (B), five haloacetic acids in finished water from the Clackamas River Water and City of Lake Oswego drinking‑water treatment plants, Clackamas River basin, Oregon, 2010–11. |
First posted February 11, 2013 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. |