Scientific Investigations Report 2013–5001
![]() Figure 27. Results of treatability jar-test experiments showing the effect of coagulation (aluminum sulfate and aluminum chlorhydrate) and powdered activated carbon (PAC) on concentrations of (A) dissolved organic carbon and (B) disinfection by-product precursors at the Clackamas River Water drinking-water treatment plant, Clackamas River basin, Oregon, 2010–11. |
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