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 Decade: 1990-1999
 Collection: Congressional Research Service Reports
Acoustic Thermometry of Ocean Climate: Marine Mammal Issues

Acoustic Thermometry of Ocean Climate: Marine Mammal Issues

Date: May 12, 1995
Creator: Buck, Eugene H.
Description: After global warming became a concern in the mid-1950s, researchers proposed measuring deep ocean temperatures to reveal any significant trends in core ocean warming. Acoustic thermometry can detect changes in ocean temperature by receiving low-frequency sounds transmitted across an ocean basin because the speed of sound is proportional to water temperature. Acoustic Thermometry of Ocean Climate, or ATOC, is an international program involving 11 institutions in seven nations. It is designed as a 30-month "proof-of-concept" project to provide data on possible global climate change, with funding provided by the U.S. Department of Defense. A debate has arisen over ATOC's impact on marine mammals versus the benefits of better global warming information derived from ATOC. This report dicusses the ATOC program and related concerns.
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Air Quality and Motor Vehicles: An Analysis of Current and Proposed Emission Standards

Air Quality and Motor Vehicles: An Analysis of Current and Proposed Emission Standards

Date: September 2, 1999
Creator: Bearden, David M
Description: The extent to which emissions from motor vehicles and the amount of sulfur in commercial gasoline should be regulated has become a controversial issue. The EPA is proposing national limits on gasoline sulfur levels which would become effective in 2004. This report provides background information on the regulation of vehicle emissions in the United States, analyzes key elements of the National Low Emission Vehicle (LEV) program and the Environmental Protection Agency's (EPA) Tier 2 proposal, summarizes major views on the proposal that have been expressed by the automobile industry, the oil refining industry, and some environmental organizations, and discusses relevant legislative activity in the 106th Congress.
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Air Quality and the New Ozone NAAQS: The OTAG Process

Air Quality and the New Ozone NAAQS: The OTAG Process

Date: July 30, 1998
Creator: Parker, Larry & Blodgett, John E
Description: The Ozone Transport Assessment Group (OTAG) represented a cooperative effort between states, the Environmental Protection Agency (EPA), and numerous stakeholders to address teh complex issue of ozone transport. However, opponents of the new ozone National Ambient Air Quality Standard (NAAQS) argue that the OTAG recommendations are far too vague and ambiguous to be cited by EPA as a basis for implementation. This report provides background on the effort, and summarizes OTAG's assessment and recommendations.
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Air Quality and Transportation Enhancement Provisions in the Intermodal Surface Transportation Efficiency Act of 1991

Air Quality and Transportation Enhancement Provisions in the Intermodal Surface Transportation Efficiency Act of 1991

Date: June 10, 1998
Creator: Bearden, David M
Description: Federal funding to assist states in addressing the environmental impacts of surface transportation is a major issue for the second session of the 105th Congress. The Intermodal Surface Transportation Efficiency Act (ISTEA) of 1991 (P.L. 102-240) authorized a total of $155 billion for transportation projects from FY1992 to FY1997. This report describes how the Congrestion Mitigation and Air Quality Program (CMAQ) and enhancement programs function, examines the policy issues surrounding them, and summarizes relevant provisions in major legislation to reauthorize ISTEA in the 105th Congress.
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Air Quality and Vehicle Emission Standards: An Overview of the National Low Emission Vehicle Program and Related Issues

Air Quality and Vehicle Emission Standards: An Overview of the National Low Emission Vehicle Program and Related Issues

Date: January 4, 1999
Creator: Bearden, David M
Description: This report provides background information on federal emission standards for motor vehicles under the Clean Air Act and stricter standards originally developed to address the severity of air quality problems in California, explains the low emission standards and flexible compliance mechanisms to which states and manufacturers have voluntarily agreed under the National Low Emission Vehicle (LEV) Program, discusses the Environmental Protection Agency's (EPA) estimates of the program's air quality benefits and costs, and examines regulatory issues related to its implementation including sulfur levels in gasoline and the relative stringency of emission standards for light trucks.
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Air Quality: EPA's Ozone Transport Rule, OTAG, and Section 216 Petitions - A Hazy Situation?

Air Quality: EPA's Ozone Transport Rule, OTAG, and Section 216 Petitions - A Hazy Situation?

Date: June 15, 1999
Creator: Parker, Larry & Blodgett, John E
Description: The 1990 Clean Air Act Amendments provided the Environmental Protection Agency (EPA) and the states with new tool to address the problem of interstate transport of air pollutants. This report discusses the actions undertaken as a direct result of this act, additional pollution reduction enforcement measures pursued by the EPA, and actions undertaken by states to reduce offending emissions not in compliance with these measures.
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Air Quality: EPA's Proposed New Ozone and Particulate Matter Standards

Air Quality: EPA's Proposed New Ozone and Particulate Matter Standards

Date: June 27, 1997
Creator: Blodgett, John E; Parker, Larry & McCarthy, James E
Description: This report discusses the contentious issue of enforcing stringent national ambient air quality standards (NAAQS) for ozone and particulate matter (PM), the opponents of which decry as harmful to the economy. The report discusses actions undertaken by the EPA, President Clinton's support of the NAAQSs, and the criticisms of opponents.
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Air Quality: EPA's Proposed Ozone Transport Rule, OTAG, and Section 216 Petitions - A Hazy Situation?

Air Quality: EPA's Proposed Ozone Transport Rule, OTAG, and Section 216 Petitions - A Hazy Situation?

Date: May 14, 1998
Creator: Parker, Larry & Blodgett, John E
Description: The Environmental Protection Agency (EPA) is currently engaged in a series of regulatory actions to address the transport of ozone pollution in the eastern United States. This report reviews this situation with respect to an EPA-proposed Ozone Transport Rule and other activities.
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Air Quality: Impacts of Trip Reduction Programs on States and Affected Employers

Air Quality: Impacts of Trip Reduction Programs on States and Affected Employers

Date: August 18, 1993
Creator: Flechtner, Maura K & Mayer, Susan L
Description: This report discusses employer trip reduction (ETR) programs, which would require large employers to implement certain transportation control measures as part of a national effort to combat air pollution, largely as a direct result of the Clean Air Act Amendments of 1990.
Contributing Partner: UNT Libraries Government Documents Department
Air Quality Standards: The Decisionmaking Process

Air Quality Standards: The Decisionmaking Process

Date: June 24, 1998
Creator: Blodgett, John E; Parker, Larry & McCarthy, James E
Description: The decisions by the Administrator of the Environmental Protection Agency (EPA) in 1997 to revise the National Ambient Air Quality Standards (NAAQS) for ozone and particulate matter refocused attention on the criteria and the process by which these decisions are made Tracing the steps of the decision pieces, this report identifies the statutory criteria established by the Congress and summarizes the administrative procedures the Agency follows in setting these standards and in reviewing them every 5 years.
Contributing Partner: UNT Libraries Government Documents Department
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