Search Results - "White, Warren H."

Decreasing Vanadium Footprint of Bunker Fuel Emissions by Spada, Nicholas J, Cheng, Xiaoya, White, Warren H, Hyslop, Nicole P

“…The Interagency Monitoring of Protected Visual Environments (IMPROVE) network measures the chemical composition of atmospheric particulate matter at over 160…”
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A critical review of filter transmittance measurements for aerosol light absorption, and de novo calibration for a decade of monitoring on PTFE membranes by White, Warren H., Trzepla, Krystyna, Hyslop, Nicole P., Schichtel, Bret A.

“…The IMPROVE (Interagency Monitoring of PROtected Visual Environments) network monitors the attenuation of light by PM 2.5 samples (fine particulate matter, D…”
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Estimating Precision Using Duplicate Measurements by Hyslop, Nicole Pauly, White, Warren H.

“…Precision is a concept for which there is no universally accepted metric. Reports of precision vary depending on the formula and inclusion criteria used to…”
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Generation of multi-element reference materials on PTFE filters mimicking ambient aerosol characteristics by Yatkin, Sinan, Trzepla, Krystyna, White, Warren H., Hyslop, Nicole Pauly

“…Multi-element reference materials (ME-RMs) mimicking atmospheric aerosol composition were generated using certified multi-element solutions on PTFE filters for…”
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Development of single-compound reference materials on polytetrafluoroethylene filters for analysis of aerosol samples by Yatkin, Sinan, Trzepla, Krystyna, White, Warren H., Spada, Nicholas James, Hyslop, Nicole Pauly

“…Single element/compound reference materials (RM) were generated from high purity salts or nanoparticles on 25 and 47 mm PTFE filters for use in calibration and…”
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Assessing the Suitability of Historical PM2.5 Element Measurements for Trend Analysis by Hyslop, Nicole P, Trzepla, Krystyna, White, Warren H

“…The IMPROVE (Interagency Monitoring of Protected Visual Environments) network has characterized fine particulate matter composition at locations throughout the…”
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Validation of the Harvard Six Cities Study of Particulate Air Pollution and Mortality by Siemiatycki, Jack, Hoover, Kristin, Goldberg, Mark S, Krewski, Daniel, White, Warren H, Burnett, Richard T, Abrahamowicz, Michael

“…To the Editor: In a 16-year prospective cohort study of six cities in the northeastern and midwestern United States beginning in the 1970s, Dockery et al. 1…”
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An inter-laboratory evaluation of new multi-element reference materials for atmospheric particulate matter measurements by Hyslop, Nicole Pauly, Trzepla, Krystyna, Yatkin, Sinan, White, Warren H., Ancelet, Travis, Davy, Perry, Butler, Owen, Gerboles, Michel, Kohl, Steven, McWilliams, Andrea, Saucedo, Laura, Van Der Haar, Marco, Jonkers, Armand

“…Eight institutes using 12 different instruments analyzed newly developed multi-element reference materials (RM) for atmospheric particulate matter (PM)…”
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Chemical markers for sea salt in IMPROVE aerosol data by White, Warren H.

“…The Interagency Monitoring of PROtected Visual Environments (IMPROVE) network monitors chemically speciated fine-particle concentrations at about 170 rural or…”
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Reanalysis of Archived IMPROVE PM2.5 Samples Previously Analyzed over a 15-Year Period by Hyslop, Nicole P, Trzepla, Krystyna, White, Warren H

“…The IMPROVE (Interagency Monitoring of Protected Visual Environments) network has collected airborne particulate matter (PM) samples at locations throughout…”
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An evaluation of interagency monitoring of protected visual environments (IMPROVE) collocated precision and uncertainty estimates by Hyslop, Nicole P., White, Warren H.

“…The Interagency Monitoring of Protected Visual Environments (IMPROVE) program is a cooperative measurement effort in the United States designed to characterize…”
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Identifying Sources of Uncertainty from the Inter-Species Covariance of Measurement Errors by Hyslop, Nicole P, White, Warren H

“…A standard metric of measurement precision in environmental monitoring is the variance of differences between duplicate (collocated) samples. With duplicate…”
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Comments on “Impact of California’s Air Pollution Laws on Black Carbon and their Implications for Direct Radiative Forcing” by R. Bahadur et al by Schichtel, Bret A., Pitchford, Marc L., White, Warren H.

“…Using data from the Interagency Monitoring of Protected Visual Environments (IMPROVE) program, Bahadur et al. (2011) report that average fine particulate light…”
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An Empirical Approach to Estimating Detection Limits Using Collocated Data by Hyslop, Nicole P, White, Warren H

“…Measurements of trace species generally become less certain as concentrations decrease. Data analysts need guidance on the ranges in which particular…”
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Considerations in the use of ozone and PM2.5 data for exposure assessment by White, Warren H.

“…The US national ambient-air monitoring network, created to verify compliance with health-based standards, now doubles as an important source of exposure data…”
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Toward Establishing the Stability of Multi-Year Monitoring of Elements in Airborne Particles by Trzepla-Nabaglo, Krystyna, Wakabayashi, Paul H., White, Warren H.

“…Crocker Nuclear Laboratory uses a custom built energy-dispersive X-ray fluorescence system with a molybdenum anode to provide routine analysis of elements from…”
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Overview of the Reanalysis of the Harvard Six Cities Study and American Cancer Society Study of Particulate Air Pollution and Mortality by Krewski, Daniel, Burnett, Richard, Goldberg, Mark, Hoover, B. Kristin, Siemiatycki, Jack, Jerrett, Michael, Abrahamowicz, Michal, White, Warren

“…This article provides an overview of the Reanalysis Study of the Harvard Six Cities and the American Cancer Society (ACS) studies of particulate air pollution…”
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Visibility: Science and Regulation by Chow, Judith C., Bachmann, John D., Wierman, Susan S.G., Mathai, C.V., Malm, William C., White, Warren H., Mueller, Peter K., Kumar, Naresh, Watson, John G.

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Comparison of recent speciated PM2.5 data from collocated CSN and IMPROVE measurements by Gorham, Katrine A., Raffuse, Sean M., Hyslop, Nicole P., White, Warren H.

“…As long-term speciated PM2.5 monitoring programs, the Interagency Monitoring of Protected Visual Environments (IMPROVE) and Chemical Speciation Network (CSN)…”
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Monitoring Exposure to Ambient Air Pollutants by White, Warren, Suh, Helen

“…Epidemiologic studies of various designs have found persuasive associations between morbidity or mortality rates and ambient particle concentrations. Most of…”
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