Environmental Protection Agency February 23, 2006 – Federal Register Recent Federal Regulation Documents
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Integrated Risk Information System (IRIS); Announcement of 2006 Program
The U.S. Environmental Protection Agency (EPA) is announcing the IRIS 2006 agenda. The Integrated Risk Information System (IRIS) is an EPA database that contains the Agency's scientific positions on human health effects that may result from exposure to chemical substances in the environment. On March 4, 2005, EPA announced the 2005 IRIS agenda (42FR10616), with solicitation of scientific information from the public for consideration in assessing health effects from specific chemical substances. All assessments currently in progress are listed in this notice. EPA is not initiating new assessments in 2006 in order to focus on completion of existing assessments. This notice also provides an update on EPA's efforts to improve the IRIS health assessment development and review processes.
Adequacy Status of the Birmingham, AL 8-hour Ozone Redesignation and Maintenance Demonstration for Transportation Conformity Purposes
In this notice, EPA is notifying the public that EPA has found that the Motor Vehicle Emissions Budgets (MVEBs) in the Birmingham, Alabama 8-hour ozone redesignation and maintenance demonstration, dated January 27, 2006, by the Alabama Department of Environmental Management (ADEM), are adequate for transportation conformity purposes. On March 2, 1999, the D.C. Circuit Court ruled that submitted State Implementation Plans (SIPs) cannot be used for transportation conformity determinations until EPA has affirmatively found them adequate. As a result of EPA's finding, the Birmingham area can use the MVEBs from the submitted Birmingham, Alabama 8-hour ozone maintenance plan for future conformity determinations.
Notice of Availability of Final Aquatic Life Ambient Water Quality Criteria for Nonylphenol
The Environmental Protection Agency (EPA) announces the availability of final recommended aquatic life ambient water quality criteria for nonylphenol. The Clean Water Act (CWA) requires EPA to develop and publish, and from time to time revise, criteria for water accurately reflecting the latest scientific knowledge. These criteria provide EPA's recommendations to states and authorized tribes as they establish their water quality standards as state or tribal law or regulation. An EPA water quality criterion does not substitute for CWA or EPA regulations, nor is it a regulation. It does not impose legally binding requirements on the EPA, states, authorized tribes or the regulated community. State and tribal decision makers have discretion to adopt approaches that differ from EPA's guidance on a case-by-case basis.
Notice of Availability of Final Recommended Aquatic Life Ambient Water Quality Criteria for Diazinon
The Environmental Protection Agency (EPA) announces the availability of final recommended aquatic life ambient water quality criteria for diazinon. The Clean Water Act (CWA) requires EPA to develop and publish, and from time to time revise, recommended criteria for water accurately reflecting the latest scientific knowledge. These criteria provide EPA's recommendations to states and authorized tribes as they establish their water quality standards as state or tribal law or regulation. An EPA ambient water quality criterion does not substitute for EPA regulations, nor is it a regulation. It does not impose legally binding requirements on the EPA, states, authorized tribes or the regulated community. State and tribal decision makers have discretion to adopt approaches that differ from EPA's guidance.
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