EJ Screen Traffic Proximity

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The traffic proximity indicator is based on AADT count divided by distance in meters from the Census block centroid. The proximity score is based on the traffic within a search radius of 500 meters (or further if none is found … Continued

EJ Screen Lead Paint Exposure

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The lead paint indicator is the percentage of occupied housing units built before 1960, calculated from the U.S. Census Bureau’s ACS 5-year summary estimates on age of housing stock. EJScreen uses age of housing stock as a surrogate for potential … Continued

EJ Screen PM 2.5

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The PM 2.5 indicator is a measure of potential exposure to inhalable particles that are 2.5 micrometers or smaller. This is measured in terms of annual average concentration in air measured in micrograms per cubic meter. PM 2.5 information included … Continued

Air Toxics – Non-Cancer Risk by Census Tract

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Layer displays the modelled non-cancer risk associated with air toxics exposure. A hazard index (HI) of 1 or lower means air toxics are unlikely to cause adverse noncancer health effects over a lifetime of exposure.

Brownfield Sites

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Layer displays the locations of brownfield sites based on the September 2013 version of the EPA Assessment, Cleanup and Redevelopment Exchange System (ACRES) database.

EPA RSEI Score, 2019

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This layer displays RSEI score by county. A RSEI Score is a unitless value that accounts for the size of the chemical release, the fate and transport of the chemical through the environment, the size and location of the exposed … Continued

EPA Climate Change Indicators – Change in Snowfall

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This indicator examines changes in total snowfall in the contiguous 48 United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.