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Articles 121 - 150 of 165

Full-Text Articles in Chemistry

On-Road Remote Sensing Of Automobile Emissions In The Los Angeles Area: Year 1, Gary A. Bishop, Sajal S. Pokharel, Donald H. Stedman Apr 2000

On-Road Remote Sensing Of Automobile Emissions In The Los Angeles Area: Year 1, Gary A. Bishop, Sajal S. Pokharel, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


Analysis Of Remote Sensing Data For Development Of I/M Program Evaluation Protocols, Sajal S. Pokharel, Gary A. Bishop, Donald H. Stedman Jan 2000

Analysis Of Remote Sensing Data For Development Of I/M Program Evaluation Protocols, Sajal S. Pokharel, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


Rsd Versus Im240 Fleet Average Correlations, Sajal S. Pokharel, Donald H. Stedman, Gary A. Bishop Jan 2000

Rsd Versus Im240 Fleet Average Correlations, Sajal S. Pokharel, Donald H. Stedman, Gary A. Bishop

Fuel Efficiency Automobile Test Publications

No abstract provided.


On-Road Remote Sensing Of Automobile Emissions In The Denver Area: Year 1, Peter J. Popp, Sajal S. Pokharel, Gary A. Bishop, Donald H. Stedman Dec 1999

On-Road Remote Sensing Of Automobile Emissions In The Denver Area: Year 1, Peter J. Popp, Sajal S. Pokharel, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


On-Road Remote Sensing Of Automobile Emissions In The Phoenix Area: Year 1, Gary A. Bishop, Sajal S. Pokharel, Donald H. Stedman Nov 1999

On-Road Remote Sensing Of Automobile Emissions In The Phoenix Area: Year 1, Gary A. Bishop, Sajal S. Pokharel, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


Rsd Studies In Austin, 1998, Sajal S. Pokharel, Donald H. Stedman, Gary A. Bishop Oct 1999

Rsd Studies In Austin, 1998, Sajal S. Pokharel, Donald H. Stedman, Gary A. Bishop

Fuel Efficiency Automobile Test Publications

No abstract provided.


Remote Sensing Of Railroad Locomotive Emissions: A Feasibility Study, Peter J. Popp, Gary A. Bishop, Donald H. Stedman Jul 1999

Remote Sensing Of Railroad Locomotive Emissions: A Feasibility Study, Peter J. Popp, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


Identification Of Polluting Vehicles By Remote Sensing, Donald H. Stedman Jan 1999

Identification Of Polluting Vehicles By Remote Sensing, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


Real-Time Remote Sensing Of Snowmobiles Emissions At Yellowstone National Park: An Oxygenated Fuel Study, 1999, Jerome A. Morris, Gary A. Bishop, Donald H. Stedman Jan 1999

Real-Time Remote Sensing Of Snowmobiles Emissions At Yellowstone National Park: An Oxygenated Fuel Study, 1999, Jerome A. Morris, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


On-Road Remote Sensing Of Automobile Emissions In The Chicago Area: Year 2, Peter J. Popp, Gary A. Bishop, Donald H. Stedman Jan 1999

On-Road Remote Sensing Of Automobile Emissions In The Chicago Area: Year 2, Peter J. Popp, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


1998 Preliminary Snowmobile Emission Survey In Yellowstone National Park, Gary A. Bishop, Donald H. Stedman Dec 1998

1998 Preliminary Snowmobile Emission Survey In Yellowstone National Park, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


On-Road Remote Sensing Of Heavy-Duty Diesel Truck Emissions In The Austin- San Marcos Area: August 1998, Jerome A. Morris, Gary A. Bishop, Donald H. Stedman Nov 1998

On-Road Remote Sensing Of Heavy-Duty Diesel Truck Emissions In The Austin- San Marcos Area: August 1998, Jerome A. Morris, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


On-Road Remote Sensing Of Automobile Emissions In The Chicago Area: Year 1, Peter J. Popp, Gary A. Bishop, Donald H. Stedman Aug 1998

On-Road Remote Sensing Of Automobile Emissions In The Chicago Area: Year 1, Peter J. Popp, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


Final Technical Report For Its For Voluntary Emission Reduction: An Its Operational Test For Real-Time Vehicle Emissions Detection, Gary A. Bishop, Donald H. Stedman, R. Bruce Hutton May 1998

Final Technical Report For Its For Voluntary Emission Reduction: An Its Operational Test For Real-Time Vehicle Emissions Detection, Gary A. Bishop, Donald H. Stedman, R. Bruce Hutton

Fuel Efficiency Automobile Test Publications

No abstract provided.


Remote Sensing Of Commercial Aircraft Emissions, Peter J. Popp, Donald H. Stedman Jan 1998

Remote Sensing Of Commercial Aircraft Emissions, Peter J. Popp, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


Development Of A High-Speed Ultraviolet Spectrometer, Capable Of Real-Time No And Aromatic Hydrocarbon Detection In Vehicle Exhaust (Presentation), Peter J. Popp, Gary A. Bishop, Donald H. Stedman Apr 1997

Development Of A High-Speed Ultraviolet Spectrometer, Capable Of Real-Time No And Aromatic Hydrocarbon Detection In Vehicle Exhaust (Presentation), Peter J. Popp, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

Paper presented at the 7th Coordinating Research Council On-Road Vehicle Emissions Workshop, San Diego, CA, April 9-11, 1997.


On-Road Co, Hc, No And Opacity Measurements (Presentation), Donald H. Stedman, Gary A. Bishop, Phillip Aldrete Apr 1997

On-Road Co, Hc, No And Opacity Measurements (Presentation), Donald H. Stedman, Gary A. Bishop, Phillip Aldrete

Fuel Efficiency Automobile Test Publications

Paper presented at the 7th Coordinating Research Council On-Road Vehicle Emissions Workshop, San Diego, CA, Aril 9-11, 1997.


Application Of Environmental Organic Petrology And Geochemistry To Fingerprint Organic Pollutants In The Recent Sediments Of Lake Ontario, Prasanta K. Mukhopadhyay, Michael A. Kruge, C.F. Michael Lewis Jan 1997

Application Of Environmental Organic Petrology And Geochemistry To Fingerprint Organic Pollutants In The Recent Sediments Of Lake Ontario, Prasanta K. Mukhopadhyay, Michael A. Kruge, C.F. Michael Lewis

Department of Earth and Environmental Studies Faculty Scholarship and Creative Works

Selected surface sediment samples (sediment depth 0-10 cm) collected in the Niagara basin (western Lake Ontario) were chosen for organic matter characterization using organic petrological and geochemical techniques normally reserved for the study of coal, petroleum source rock and crude oil. The study was performed to assess the effectiveness of these techniques in discriminating between natural and anthropogenic organic matter and to determine the extent of organic pollution of the lake sediments. The organic carbon contents of the samples vary from 1.5 to 3.5%, with upper layer (0-5 cm) samples have higher TOC values than those from the lower layer …


Epa Overestimates The Benefit Of Biennial Inspection And Maintenance, Donald H. Stedman Dec 1996

Epa Overestimates The Benefit Of Biennial Inspection And Maintenance, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

The United States Environmental Protection Agency (EPA) computer model of mobile source emissions is used to estimate the benefits of future emissions control programs. Four input assumptions are discussed, each of which tends to overestimate the benefits of biennial testing programs. The assumptions are: each model year drives the same number of miles; high/superemitters, absent initially, increase linearly with mileage; inspection and maintenance (I/M) readings are invariant, and I/M repairs last forever. States opting for these programs should be aware that the predicted benefits may not materialize.


Carbon Monoxide Amongst Other Chemicals (Presentation), Donald H. Stedman Mar 1996

Carbon Monoxide Amongst Other Chemicals (Presentation), Donald H. Stedman

Fuel Efficiency Automobile Test Publications

Paper presented at the Division of Environmental Chemistry, American Chemical Society National Meeting, New Orleans, LA, March 24-28,1996.


Remote Sensing: A Simpler Way To Reduce Air Pollution, Donald H. Stedman, Gary A. Bishop Sep 1995

Remote Sensing: A Simpler Way To Reduce Air Pollution, Donald H. Stedman, Gary A. Bishop

Fuel Efficiency Automobile Test Publications

No abstract provided.


Vehicle Measurements For Co, Hc, And No In El Paso, Texas, And Juarez, Mexico, Donald H. Stedman, Yi Zhang, Jon M. Lesko Apr 1995

Vehicle Measurements For Co, Hc, And No In El Paso, Texas, And Juarez, Mexico, Donald H. Stedman, Yi Zhang, Jon M. Lesko

Fuel Efficiency Automobile Test Publications

No abstract provided.


Playing With Fire: Science And Politics Of Air Pollution From Cars, Donald H. Stedman Mar 1995

Playing With Fire: Science And Politics Of Air Pollution From Cars, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


On-Road Remote Sensing Of Vehicle Emissions In Monterrey, N. L. Mexico, Gary A. Bishop, Donald H. Stedman Jan 1995

On-Road Remote Sensing Of Vehicle Emissions In Monterrey, N. L. Mexico, Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


Tucson Intersection Study Of Automobile Emissions, Amber K. Hodgson, Yi Zhang, Donald H. Stedman Sep 1994

Tucson Intersection Study Of Automobile Emissions, Amber K. Hodgson, Yi Zhang, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.


On-Road Carbon Monoxide And Hydrocarbon Remote Sensing In The Chicago Area In 1992, Donald H. Stedman, Yi Zhang, Gary A. Bishop, Stuart P. Beaton, Paul L. Guenther Jul 1994

On-Road Carbon Monoxide And Hydrocarbon Remote Sensing In The Chicago Area In 1992, Donald H. Stedman, Yi Zhang, Gary A. Bishop, Stuart P. Beaton, Paul L. Guenther

Fuel Efficiency Automobile Test Publications

No abstract provided.


Automobile Emissions In Tulsa, Oklahoma, Donald H. Stedman, Peter J. Popp, Paul L. Guenther Jul 1994

Automobile Emissions In Tulsa, Oklahoma, Donald H. Stedman, Peter J. Popp, Paul L. Guenther

Fuel Efficiency Automobile Test Publications

Final Report to the Indian Nations Council of Governments, Tulsa, Oklahoma, 1994


Determination Of Parameters Influencing The Vehicle Emissions In Greece Using A Remote Sensing System, Kostas Nikolaou, Donald H. Stedman, Stavros Papaioannou, Nikos Zoumakis, Apostolos Kelesis Jun 1994

Determination Of Parameters Influencing The Vehicle Emissions In Greece Using A Remote Sensing System, Kostas Nikolaou, Donald H. Stedman, Stavros Papaioannou, Nikos Zoumakis, Apostolos Kelesis

Fuel Efficiency Automobile Test Publications

Paper presented at the 3rd International Symposium on  Transport and Air Pollution, Avignon, France, June 6-10, 1994.


On-Road Remote Sensing Of Co And Hc Emissions In California, Donald H. Stedman, Gary A. Bishop, Stuart P. Beaton, James E. Peterson, Paul L. Guenther, Iain F. Mcvey, Yi Zhang Feb 1994

On-Road Remote Sensing Of Co And Hc Emissions In California, Donald H. Stedman, Gary A. Bishop, Stuart P. Beaton, James E. Peterson, Paul L. Guenther, Iain F. Mcvey, Yi Zhang

Fuel Efficiency Automobile Test Publications

No abstract provided.


On-Road Nox Emissions Intercomparison Of On-Board Measurements And Remote Sensing, James W. Butler, Christine A. Gierczak, Gerald Jesion, Donald H. Stedman, Jon M. Lesko Feb 1994

On-Road Nox Emissions Intercomparison Of On-Board Measurements And Remote Sensing, James W. Butler, Christine A. Gierczak, Gerald Jesion, Donald H. Stedman, Jon M. Lesko

Fuel Efficiency Automobile Test Publications

No abstract provided.