Periodic Reports - 2008
These periodic emissions inventories were developed to meet requirements set forth in
Title I of the Clean Air Act Amendments of 1990
 (CAAA). The CAAA require development
of a baseline emission inventory and periodic revisions (every 3 years) for areas that fail to meet the National Ambient Air Quality Standards (NAAQS).
Reports are available from
1999,
2002,
2005, and 2008.
Note: All of the following documents are in Acrobat PDF format .
Adobe Acrobat Reader is required.
2008 PM10 Periodic Emissions Inventory Report
(revised version published June 2011) |
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This inventory includes emissions of coarse particulate matter <10 µm in diameter (PM10), fine
particulate matter < 2.5 µm (PM2.5), nitrogen oxides (NOX),
sulfur oxides (SOX), and ammonia (NH3). Emissions are
calculated for both Maricopa County and the PM10 nonattainment area. Annual totals as well as
typical daily emissions are provided for each source category included in the report. This report includes revisions made in 2011, to
reflect changes resulting from (1) refined windblown dust estimation methods, (2) updated estimates of rule effectiveness for certain
source categories, and (3) revised estimates for onroad mobile sources using EPA's new MOVES2010a model vs. earlier results using MOBILE6.2.
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