Congressional Research Service Reports - 32 Matching Results

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Arsenic in Drinking Water: Recent Regulatory Developments and Issues

Description: This report discusses issues regarding the arsenic’s health effects and how to reduce the uncertainty in assessing health risks associated with exposure to low levels of arsenic. Environmental Protection Agency (EPA) issued the current standard of 50 parts per billion (ppb) in 1975. . This report reviews EPA efforts to develop a new arsenic rule and summarizes key provisions and subsequent events.
Date: April 29, 2002
Creator: Tiemann, Mary
Partner: UNT Libraries Government Documents Department

Clean Water Act and Total Maximum Daily Loads (TMDLs) of Pollutants

Description: Section 303(d) of the Clean Water Act requires states to identify waters that are impaired by pollution, even after application of pollution controls. For those waters, states must establish a total maximum daily load (TMDL) of pollutants to ensure that water quality standards can be attained. Implementation was dormant until recently, when states and EPA were prodded by numerous lawsuits.
Date: June 7, 2002
Creator: Copeland, Claudia
Partner: UNT Libraries Government Documents Department