This slide presentation outlines information on treating algal toxins with oxidation and adsorption. Topics covered include: approach; activated carbon; source water characteristics; source water microcystin-LR; quality assurance - analytical and ozonation; ozone, analysis of variance; impact of variables on m-LR removal; mixed impact of H202; first-order relationship; rearrange first order equation; conclusions for ozone; powdered activated carbon; wood-based powdered carbon results; lignite-based powdered carbon results; powdered activated carbon dose response; conclusions for powdered activated carbon; granular activated carbon; challenge test to simulate algal bloom; challenge test viewed as Ce/Co; impact of empty bed contact time; and, conclusions for granular activated carbon.