Search Results - "Pierson, William R."

Real-world automotive emissions—Summary of studies in the Fort McHenry and Tuscarora mountain tunnels by Pierson, William R., Gertler, Alan W, Robinson, Norman F., Sagebiel, John C., Zielinska, Barbara, Bishop, Gary A., Stedman, Donald H., Zweidinger, Roy B., Ray, William D.

“…Motor vehicle emission rates of CO, NO, NO x , and gas-phase speciated nonmethane hydrocarbons (NMHC) and carbonyl compounds were measured in 1992 in the Fort…”
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Real-world emissions and calculated reactivities of organic species from motor vehicles by Sagebiel, John C., Zielinska, Barbara, Pierson, William R., Gertler, Alan W.

“…To obtain real-world motor vehicle emission rates for the hydrocarbon ozone precursors, a series of experiments was conducted in the Fort McHenry Tunnel,…”
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Recent measurements of mobile source emission factors in North American tunnels by Gertler, Alan W., Pierson, William R.

“…Results of recent tunnel studies in the Cassiar, Tuscarora, Fort McHenry, and Caldecott tunnels are described, along with the methodology for calculating…”
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Apportionment of NMHC tailpipe vs non-tailpipe emissions in the Fort McHenry and Tuscarora mountain tunnels by Gertler, Alan W., Fujita, Eric M., Pierson, William R., Wittorff, David N.

“…Measurements of on-road emissions of non-methane hydrocarbons (NMHCs) were made in the Fort McHenry Tunnel (Baltimore) and Tuscarora Mountain Tunnel…”
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Comparison of MOBILE4.1 and MOBILE5 predictions with measurements of vehicle emission factors in Fort McHenry and Tuscarora mountain tunnels by Robinson, Norman F., Pierson, William R., Gertler, Alan W., Sagebiel, John C.

“…Measurements of motor vehicle emissions at Tuscarora Tunnel in Pennsylvania and Fort McHenry Tunnel in Maryland were compared with predictions of the U.S…”
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Assessment of Nontailpipe Hydrocarbon Emissions from Motor Vehicles by Pierson, William R., Schorran, David E., Fujita, Eric M., Sagebiel, John C., Lawson, Douglas R., Tanner, Roger L.

“…This report evaluates tailpipe and nontailpipe hydrocarbon (HC) emissions from light-duty spark-ignition (SI) vehicles. The sources of information were…”
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Real-world particulate matter and gaseous emissions from motor vehicles in a highway tunnel by Gertler, Alan W, Gillies, John A, Pierson, William R, Rogers, C Fred, Sagebiel, John C, Abu-Allaban, Mahmoud, Coulombe, William, Tarnay, Leland, Cahill, Thomas A

“…Recent studies have linked atmospheric particulate matter with human health problems. In many urban areas, mobile sources are a major source of particulate…”
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Method comparisons of vehicle emissions measurements in the fort mchenry and Tuscarora mountain tunnels by Bishop, Gary A., McLaren, Scott E., Stedman, Donald H., Pierson, William R., Zweidinger, Roy B., Ray, William D.

“…Experiments were conducted in the Fort McHenry Tunnel in Baltimore, MD, and in the Tuscarora Mountain Tunnel in Pennsylvania, during the summer of 1992 to…”
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Emissions of ammonia and amines from vehicles on the road by Pierson, William R, Brachaczek, Wanda W

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Volatile organic compounds up to C20 emitted from motor vehicles; measurement methods by Zielinska, Barbara, Sagebiel, John C., Harshfield, Gregory, Gertler, Alan W., Pierson, William R.

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Hydrocarbon gases emitted from vehicles on the road. 2. Determination of emission rates from diesel and spark-ignition vehicles by Hampton, Christine V, Pierson, William R, Harvey, T. Michael, Schuetzle, Dennis

“…Emission rates of 22 gas-phase hydrocarbon compounds from motor vehicles in highway operation were determined in the Allegheny Mountain Tunnel of the…”
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Acid rain and atmospheric chemistry at Allegheny Mountain by Pierson, William R, Brachaczek, Wanda W, Grose, Robert A, Japar, Steven M, Norbeck, Joseph M, Keeler, Gerald J

“…Rain, collected at Allegheny mountain and Laurel hill during August 1983, had a volume-weighted average pH of 3.5. Sulphuric and nitric acids accounted for…”
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Sulfate in diesel exhaust by Truex, Timothy J, Pierson, William R, McKee, Douglas E

“…Experiments were conducted to determine the chemical form of sulfate emissions from diesel-powered light-duty vehicles. A controlled-condensation sampling…”
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Hydrocarbon gases emitted from vehicles on the road. 1. A qualitative gas chromatography/mass spectrometry survey by Hampton, Christine V, Pierson, William R, Harvey, T. Michael, Updegrove, William S, Marano, Richard S

“…Gas-phase hydrocarbons generated by motor vehicles in highway operation were surveyed in the Allegheny Mountain Tunnel of the Pennsylvania turnpike in 1979…”
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Volatile organic compounds up to C 20 emitted from motor vehicles; measurement methods by Zielinska, Barbara, Sagebiel, John C., Harshfield, Gregory, Gertler, Alan W., Pierson, William R.

“…To understand better the sources of observed differences between on-road vehicle emissions and model estimates, and to evaluate the emission of ozone…”
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Mutagenicity and chemical characteristics of carbonaceous particulate matter from vehicles on the road by Pierson, William R, Gorse, Robert A, Szkarlat, Ann Cuneo, Brachaczek, Wanda W, Japar, Steven M, Lee, Frank S. C, Zweidinger, Roy B, Claxton, Larry D

“…Experiments were conducted in the Allegheny Mountain Tunnel of the Pennsylvania Turnpike in 1979 to evaluate bacterial mutagenicities of particulate emissions…”
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Sources and Elemental Composition of Aerosol in Pasadena, Calif., by Energy-Dispersive X-Ray Fluorescence by Hammerle, Robert H, Pierson, William R

“…Elemental composition of size-fractionated and unfractionated aerosol is measured at one Pasadena, Calif., site for a series of 2 hr periods spanning 29 days…”
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Sulfate formed by interaction of sulfur dioxide with filters and aerosol deposits by Pierson, William R, Hammerle, Robert H, Brachaczek, Wanda W

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Ames assay chromatograms of extracts of diesel exhaust particles from heavy-duty trucks on the road and from passenger cars on a dynamometer by Salmeen, Irving T, Gorse, Robert A, Pierson, William R

“…Particles from diluted exhaust of heavy-duty diesel trucks were collected on filters in a tunnel on the Pennsylvania turnpike. Dichloromethane extracts of…”
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Sources and elemental composition of aerosol in Pasadena, California, by energy-dispersive x-ray fluorescence by Hammerle, Robert H, Pierson, William R

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