GIS for Network Review
description
Transcript of GIS for Network Review
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GIS for Network Review
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What is the Difference Between a Network Plan and a Network
Assessment? Network Plan - Not a new requirement [40 CFR 58.10(a)]Due every yearSimple accounting of changes expected for
that year
• Network Assessment – Once every 5 yearsDetailed evaluation of networks and objectives
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Requirements: Required by new monitoring rule
[40 CFR Part 58.10(d)]Once every 5 yearsFirst assessment due July 1, 2010
EPA guidance document http://www.epa.gov/ttnamti1/files/ambient/pm25/datamang/network-assessment- guidance.pdf
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Network Assessment Step 1: Prepare a Regional
Description Topography •Climate •Population •Demographic trends •Major emissions sources •Current air quality conditions
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Additional Steps: Perform situational analyses
demographic shifts, density or sparseness of
existing networks, New findings on health
impacts Political factors
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Resources
GIS Simple displays can be made using
GoogleEarth or Google Maps. • Statistical software and database
packages allow you to organize, manipulate, create, analyze, and display data. These packages include Microsoft Excel and Access, and tools from ITEP/TAMS
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Data Analysis Tools from TAMS Center:
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Resources EPA AirData offers yearly summaries of
U.S. air pollution data extracted from EPA's air pollution databases. Includes emissions and ambient monitoring.
• EPA AIRNow-Tech offers AIRNow observational data. Navigator tool is a customizable, air quality GIS tool that allows you to display site information with multiple geographic, pollutant, and meteorological features.
Data tool allows you to create personalized site lists, access predefined queries, and download AIRNow observational data.