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snippet: The 2011 National Air Toxics Assessment (NATA) cancer risks, respiratory hazard indices, and ambient concentration estimates.
summary: The 2011 National Air Toxics Assessment (NATA) cancer risks, respiratory hazard indices, and ambient concentration estimates.
extent: [[-179.14734,17.6739310000001],[179.778465,71.3904820644059]]
accessInformation: EPA/OAQPS
thumbnail: thumbnail/thumbnail.png
typeKeywords: ["Data","Service","Map Service","ArcGIS Server"]
description: This service contains cancer risk, respiratory hazard index (HI), and ambient concentration estimates at census tract resolution for the continental US, Alaska, Hawaii, Puerto Rico, and the US Virgin Islands. The estimates are based on a modeling analysis using EPA's 2011 National Emissions Inventory (NEI), version 2. The cancer risk and respiratory HI layers include source group and pollutant contribution information. The cancer risks are presented on a per million basis (e.g., a value of 10 means 10 in a million risk). The ambient concentration data are in units of µg/m3.
licenseInfo:
catalogPath:
title: NATA_2011_Risks_and_Ambient_Concentrations
type: Map Service
url:
tags: ["NATA","Air Toxics","Hazardous Air Pollutants","Human Health","Risk Assessment"]
culture: en-US
name: NATA_2011_Risks_and_Ambient_Concentrations
guid: 22D10501-BCB2-482D-8580-2311CEAE8E31
spatialReference: WGS_1984_Web_Mercator_Auxiliary_Sphere