Search Results - "Brown, Steven G"

Measuring Spatial and Temporal PM2.5 Variations in Sacramento, California, Communities Using a Network of Low-Cost Sensors by Mukherjee, Anondo, Brown, Steven G., McCarthy, Michael C., Pavlovic, Nathan R., Stanton, Levi G., Snyder, Janice Lam, D’Andrea, Stephen, Hafner, Hilary R.

“…Low-cost sensors can provide insight on the spatio-temporal variability of air pollution, provided that sufficient efforts are made to ensure data quality…”
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Source apportionment of VOCs in the Los Angeles area using positive matrix factorization by Brown, Steven G., Frankel, Anna, Hafner, Hilary R.

“…Eight 3-h speciated hydrocarbon measurements were collected daily by the South Coast Air Quality Management District (SCAQMD) as part of the Photochemical…”
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Methods for estimating uncertainty in PMF solutions: Examples with ambient air and water quality data and guidance on reporting PMF results by Brown, Steven G., Eberly, Shelly, Paatero, Pentti, Norris, Gary A.

“…The new version of EPA's positive matrix factorization (EPA PMF) software, 5.0, includes three error estimation (EE) methods for analyzing factor analytic…”
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Variations in the OM/OC ratio of urban organic aerosol next to a major roadway by Brown, Steven G., Lee, Taehyoung, Roberts, Paul T., Collett, Jeffrey L.

“…Understanding the organic matter/organic carbon (OM/OC) ratio in ambient particulate matter (PM) is critical to achieve mass closure in routine PM…”
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Source apportionment of volatile organic compounds measured in Edmonton, Alberta by McCarthy, Michael C., Aklilu, Yayne-Abeba, Brown, Steven G., Lyder, David A.

“…From 2003 to 2009, whole air samples were collected at two sites in Edmonton and analyzed for over 77 volatile organic compounds (VOCs). VOCs were sampled in…”
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Processes Influencing Secondary Aerosol Formation in the San Joaquin Valley during Winter by Lurmann, Frederick W., Brown, Steven G., McCarthy, Michael C., Roberts, Paul T.

“…Air quality data collected in the California Regional PM 10 /PM 2.5 Air Quality Study (CRPAQS) are analyzed to qualitatively assess the processes affecting…”
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Source Apportionment of Fine Particulate Matter in Phoenix, AZ, Using Positive Matrix Factorization by Brown, Steven G., Frankel, Anna, Raffuse, Sean M., Roberts, Paul T., Hafner, Hilary R., Anderson, Darcy J.

“…Speciated particulate matter (PM) 2.5 data collected as part of the Interagency Monitoring of Protected Visual Environments (IMPROVE) program in Phoenix, AZ,…”
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Conditions Leading to Elevated PM2.5 at Near-Road Monitoring Sites: Case Studies in Denver and Indianapolis by Brown, Steven G., Penfold, Bryan, Mukherjee, Anondo, Landsberg, Karin, Eisinger, Douglas S.

“…We examined two near-road monitoring sites where the daily PM2.5 readings were among the highest of any near-road monitoring location in the U.S. during…”
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Assessment of mobile source air toxics in an Environmental Justice Denver community adjacent to a freeway by McCarthy, Michael C., Mukherjee, Anondo D., Ogletree, Michael, Furst, Jonathan, Gosselin, Marie I., Tigges, Mark, Thomas, Gregg, Brown, Steven G.

“…Air pollutant concentrations are often higher near major roadways than in the surrounding environments owing to emissions from on-road mobile sources. In this…”
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Particle count and black carbon measurements at schools in Las Vegas, NV and in the greater Salt Lake City, UT area by Brown, Steven G., Vaughn, David L., Roberts, Paul T.

“…As part of two separate studies aimed to characterize ambient pollutant concentrations at schools in urban areas, we compare black carbon and particle count…”
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The Strict Liability Standard and Clinical Supervision by Polychronis, Paul D, Brown, Steven G

“…Clinical supervision is essential to both the training of new psychologists and the viability of professional psychology. It is also a high-risk endeavor for…”
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Assessment of Ambient Air Toxics and Wood Smoke Pollution among Communities in Sacramento County by Brown, Steven G, Lam Snyder, Janice, McCarthy, Michael C, Pavlovic, Nathan R, D'Andrea, Stephen, Hanson, Joseph, Sullivan, Amy P, Hafner, Hilary R

“…Ambient air monitoring and phone survey data were collected in three environmental justice (EJ) and three non-EJ communities in Sacramento County during winter…”
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Assessment of particulate toxic metals at an Environmental Justice community by Ryder, Olivia S., DeWinter, Jennifer L., Brown, Steven G., Hoffman, Keith, Frey, Betsy, Mirzakhalili, Ali

“…Exposure to particulate matter containing toxic metal species can have negative health implications. The community of Eden Park, Delaware, is surrounded by…”
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Determining source impacts near roadways using wind regression and organic source markers by Olson, David A., Vedantham, Ram, Norris, Gary A., Brown, Steven G., Roberts, Paul

“…Concentrations of 13 organic source markers (10 polycyclic aromatic hydrocarbons and 3 hopanes) are reported from time-integrated samples (24-h and sub-daily)…”
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Wintertime Residential Biomass Burning in Las Vegas, Nevada; Marker Components and Apportionment Methods by Brown, Steven, Lee, Taehyoung, Roberts, Paul, Collett, Jeffrey

“…We characterized residential biomass burning contributions to fine particle concentrations via multiple methods at Fyfe Elementary School in Las Vegas, Nevada,…”
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Changes in air quality at near-roadway schools after a major freeway expansion in Las Vegas, Nevada by Brown, Steven G., McCarthy, Michael C., DeWinter, Jennifer L., Vaughn, David L., Roberts, Paul T.

“…Near-roadway ambient black carbon (BC) and carbon monoxide (CO) concentrations were measured at two schools adjacent to a freeway and at an urban background…”
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Characterization of non-methane volatile organic compounds sources in Houston during 2001 using positive matrix factorization by Kim, Eugene, Brown, Steven G., Hafner, Hilary R., Hopke, Philip K.

“…Non-methane volatile organic compounds (NMOC) that were most likely to contribute to ozone formation in the Houston, Texas area were measured by Texas…”
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Analysis and Apportionment of Organic Carbon and Fine Particulate Matter Sources at Multiple Sites in the Midwestern United States by Buzcu-Guven, Birnur, Brown, Steven G., Frankel, Anna, Hafner, Hilary R., Roberts, Paul T.

“…Speciated fine particulate matter (PM 2.5 ) data collected as part of the Speciation Trends Network at four sites in the Midwest (Detroit, MI; Cincinnati, OH;…”
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Characterization of organic aerosol in Big Bend National Park, Texas by Brown, Steven G, Herckes, Pierre, Ashbaugh, Lowell, Hannigan, Michael P, Kreidenweis, Sonia M, Collett Jr, Jeffrey L

“…The Big Bend Regional Aerosol and Visibility Observational (BRAVO) Study was conducted in Big Bend National Park, Texas, July through October 1999. Daily PM…”
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Wintertime Vertical Variations in Particulate Matter (PM) and Precursor Concentrations in the San Joaquin Valley during the California Regional Coarse PM/Fine PM Air Quality Study by Brown, Steven G., Hyslop, Nicole P., Roberts, Paul T., McCarthy, Michael C., Lurmann, Frederick W.

“…Air quality monitoring was conducted at a rural site with a tower in the middle of California's San Joaquin Valley (SJV) and at elevated sites in the foothills…”
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