AWWA ACE63100

This slide presentation outlines a study to investigate hexavalent chromium as a future regulated drinking water contaminant that included: a national occurrence survey; treatment technology assessments; treatment cost development; and, regulatory development assessment. The Regulatory Development Assessment included two points: a cumulative risk discussion, presenting a case study using national occurrence data; and, Safe Drinking Water Amendment (SDWA) evaluation and analysis, including a discussion of cumulative risk and cumulative cost. Includes figures.