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Research Projects
DAQ has completed and overseen several research projects to better characterize the unique conditions in Clark County. Multiple studies specifically addressed particulate matter, ozone, and carbon monoxide issues. Other projects were focused on specific emission inventory categories such as paved road dust, consumer products, ozone precursors, and biogenic emissions.
POLLUTANT SPECIFIC RESEARCH
DESCRIPTION
PARTICULATE MATTER
This study investigates the composition of PM2.5 in the Las Vegas Valley during the winter months from 2019-2022 to help determine source contributions of PM2.5 to inform future regulatory programs.
This study identifies vehicle type and analyses vehicle-miles traveled (VMT) and emission rate data to model the timing of emissions released with vehicle type mix and temporal traffic patterns.
This study assesses mineral and dust emissions at the Nellis Dunes Recreation Area from multiple emission sources, including both natural and anthropogenic sources.
Studies conducted by the DAQ, the Desert Research Institute of Nevada, University of California at Riverside, California and the University of Nevada at Las Vegas on Paved Road Dust Emission Studies in Support of Mobile Monitoring Technologies. Studies compare USEPA AP-42 silt sampling methods with mobile sampling technologies for characterizing entrainable paved-road dust emissions.
A study to help understand the spatial distribution of PM10 and assess the adequacy of the existing Air Quality Monitoring Network to measure impacts.
A study to develop an inventory of native desert land, disturbed vacant land, stabilized vacant land, and private unpaved roads in the Las Vegas Valley using remote sensing technologies.
This study establishes a better understanding of source category contributions to measurements of carbonaceous compounds in the Las Vegas Valley.
A study conducted by the Desert Research Institute using remote sensing technologies for use in evaluating emissions from on-road vehicles.
A study conducted by the Desert Research Institute to determine the chemical composition of haze and fine particulate matter in southern Nevada.
This study measured PM2.5 emissions from vehicle exhaust using remote sensing with ultraviolet LIDAR in the Las Vegas Valley.
This study was designed to better understand the source and nature of the elevated PM10 levels in the Las Vegas Valley.
OZONE
This study builds on findings of the 2013 LVOS study to further assess the effects of wildland fires, Asian pollution, and stratospheric intrusions on surface ozone concentrations in Clark County, and the relative contribution of these processes to high ozone events compared to local ozone production and regional transport from Southern California. For further information about this study, please visit the NOAA website at: https://www.esrl.noaa.gov/csd/projects/fastlvos/.
This study sought to validate air quality modeling for ozone to characterize the transport of ozone during wildfire events during the summer season of 2011.
Las Vegas Ozone Study(LVOS) (2013)
Study to assess the seasonal influence of stratosphere-to-troposphere transport (STT) and long-range transport from Asia (AS) on surface ozone concentrations in Clark County. For further information about this study, please visit the NOAA website at: https://www.esrl.noaa.gov/csd/projects/lvos/.
Study of the mechanisms and impact of pollutant transport into southern Nevada through enhanced monitoring of ozone air quality and meteorology at key locations during the 2007 ozone season.
This study analyses the relationship between wildfire emissions and ambient ozone levels in the Las Vegas Valley using PM2.5 , canister, and carbonyl sample data from 2005 and 2008.
Ozone Characterization Study (2006)
Study to characterize ozone, its precursors, and transport during high-ozone events.
This study sought to establish a basis to support SIP development following exceedances of federal ozone standards by obtaining air quality measurements of ozone and a set of ambient ozone measurements to use for future comparison.
CARBON MONOXIDE
A detailed assessment of CO concentrations in the Las Vegas Valley.
This study investigated the effectiveness of Clark County's vehicle emissions inspection program in reducing CO emissions.
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EMISSION SOURCE INVENTORIES
This study inventories charbroilers in the Las Vegas Valley and approximates their production emissions profiles.
VOCs & BIOGENIC VOCs
This study analyses VOCs using TO-15 and TO-17 methods in at multiple sites in the Las Vegas Valley to identify the impact of wildfire smoke using tracer VOCs.
This study sought to determine the sensitivity of ozone formation in the Las Vegas Valley to ratios of VOCs and NOx as well as its sensitivity to specific sources using 3D modeling techniques.
Volatile Organic Compounds (VOC) data for Hazardous Air Pollutants
Study to quantify volatile organic compound emissions from consumer products in Clark County and recommend potential control measures.
Study to quantify biological emissions from vegetation and land use in Clark County.
Study to improve the accuracy of the biogenic emissions inventory for Clark County.
WIND TUNNEL STUDIES TO ESTABLISH HIGH WIND THRESHOLDS
Estimation of Valley-Wide PM10 emissions using UNLV 1995 wind tunnel measurements, revised vacant land classifications, and GIS-based mapping of vacant lands.
Estimation of Valley-Wide PM10 emissions using UNLV 1995 wind tunnel-derived emission factors, 1998-1999 emission factors, revised vacant land classifications, and GIS-based mapping of vacant lands.
Estimation of PM10 vacant land emission factors for Unstable, Stable and Stabilized lands using data from 1995 and 1998-1999 UNLV wind tunnel studies of vacant and dust-suppressant treated lands.
Refined PM10 Aeolian Emission Factors for native Desert and Disturbed Vacant land Areas for 2004 – Final Report.
Addendum to 2004 Wind Tunnel Study – PM10 Milestone Achievement Report.
For more information or questions about research projects and inventory research, contact Yousaf Hameed at (702) 455-1664.