<?xml version="1.0" encoding="UTF-8" standalone="no"?><metadata xml:lang="en">
    <Esri>
        <CreaDate>20220128</CreaDate>
        <CreaTime>13464600</CreaTime>
        <ArcGISFormat>1.0</ArcGISFormat>
        <SyncOnce>TRUE</SyncOnce>
        <DataProperties/>
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        <idAbs>&lt;p style='margin-top:0px; margin-bottom:1.5rem; font-family:&amp;quot;Avenir Next W01&amp;quot;, &amp;quot;Avenir Next W00&amp;quot;, &amp;quot;Avenir Next&amp;quot;, Avenir, &amp;quot;Helvetica Neue&amp;quot;, sans-serif; font-size:16px;'&gt;&lt;span style='font-family:inherit;'&gt;This geospatial dataset contains cancer risk estimates, noncancer hazard index estimates, and ambient concentration estimates for the 2017 AirToxScreen.  The dataset contains cancer risk estimates by pollutant and by emissions source group as well as noncancer hazard index estimates for 14 different target organ systems for each U.S. census tract. The census tract boundaries and attributes are from a dataset published by Esri in 2013 for the 2010 decennial census.&lt;/span&gt;&lt;/p&gt;&lt;p style='margin-top:0px; margin-bottom:1.5rem; font-family:&amp;quot;Avenir Next W01&amp;quot;, &amp;quot;Avenir Next W00&amp;quot;, &amp;quot;Avenir Next&amp;quot;, Avenir, &amp;quot;Helvetica Neue&amp;quot;, sans-serif; font-size:16px;'&gt;&lt;span style='font-family:inherit;'&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style='margin-top:0px; margin-bottom:1.5rem; font-family:&amp;quot;Avenir Next W01&amp;quot;, &amp;quot;Avenir Next W00&amp;quot;, &amp;quot;Avenir Next&amp;quot;, Avenir, &amp;quot;Helvetica Neue&amp;quot;, sans-serif; font-size:16px;'&gt;&lt;span style='font-family:inherit;'&gt;The cancer risk, hazard index, and ambient concentration estimates are based on air quality and dispersion modeling of emissions from the 2017 AirToxScreen.  More details on how AirToxScreen is developed are available at the &lt;/span&gt;&lt;a href='https://www.epa.gov/AirToxScreen' target='_blank' rel='nofollow ugc noopener noreferrer'&gt;AirToxScreen Website&lt;/a&gt;&lt;span style='font-family:inherit;'&gt;.&lt;/span&gt;&lt;/p&gt;</idAbs>
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            <keyword>Alaska</keyword>
            <keyword>Hawaii</keyword>
            <keyword>Puerto Rico</keyword>
            <keyword>United States</keyword>
            <keyword>Virgin Islands</keyword>
            <keyword>Air</keyword>
            <keyword>Environment</keyword>
            <keyword>Exposure</keyword>
            <keyword>Facilities</keyword>
            <keyword>Hazards</keyword>
            <keyword>Health</keyword>
            <keyword>Human</keyword>
            <keyword>Modeling</keyword>
            <keyword>Risk</keyword>
            <keyword>Toxics</keyword>
        </searchKeys>
        <idPurp>This geospatial dataset contains cancer risk estimates, noncancer hazard indices, ambient concentrations for the 2017 AirToxScreen by 2010 U.S. Census Tract.</idPurp>
        <idCredit>USEPA Office of Air Quality Planning and Standards (OAQPS)</idCredit>
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