Wastewater Groups Press EPA To Better Justify Need For 'Viral' Criteria

Wastewater groups are urging EPA to better justify the need for developing water quality criteria based on indicators of viral phathogens, saying current scientific knowledge appears insufficient to support such criteria and that an agency literature review failed to demonstrate the viral indicators perform better than bacterial indicators in preventing illness. "The objective of these comments is to encourage EPA to consider all relevant scientific data in evaluating the need for a new indicator and in setting criteria for it,...