3SAQS Technical Workshop October 31 – November 1, 2013 Data Warehouse Status and Planning Update
Three-State Air Quality Study (3SAQS) Three-State Data Warehouse (3SDW)
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Transcript of Three-State Air Quality Study (3SAQS) Three-State Data Warehouse (3SDW)
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Three-State Air Quality Study (3SAQS)
Three-State Data Warehouse (3SDW)
Emission Inventory Comparison2008 vs 2011 vs 2018 vs 2020
University of North Carolina (UNC-IE)Cooperative Institute for Research in the Atmosphere (CIRA)
ENVIRON International Corporation (ENVIRON)
June 19, 2014
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3SAQS Inventory Comparison Overview• Objective: Compare the base and future year emission inventories for
CO, UT, and WY to support the QA of the data and to inform the air quality evaluation
• Display the differences (what), limited analysis for why• Why two different future years?• Inventories:
Simulation Non-O&G O&G Natural
3SAQS Base 2008 NEI2007v5NEI2008v2
WRAP Phase III WestJumpAQMS 2008
3SAQS 2020 (2008-based)
NEI2007v5 3SAQS Phase I WestJumpAQMS 2008
3SAQS Base 2011 NEI2011v6 3SAQS Phase I 3SAQS 2011
3SAQS 2018 (2011-based)
NEI2011v6 3SAQS Phase I 3SAQS 2011
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3SAQS Inventory Comparison Overview• Compare the inventories across 15 sectors:
– Aircraft/Locomotive/Marine (ALM)
– Nonroad Mobile– Onroad Mobile– EGU Point– nonEGU Point– Nonpoint– Residential Wood
Combustion (RWC)
– Livestock ammonia– Fertilizer Ammonia– Area Oil & Gas– Point Oil & Gas– Fire– Fugitive Dust– Windblown Dust– Biogenic
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Annual NOx Emissions by State and Inventory
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Annual VOC Emissions by State and Inventory
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Annual CH4 Emissions by State and Inventory
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Annual SO2 Emissions by State and Inventory
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Annual NH3 Emissions by State and Inventory
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Annual PM2.5 Emissions by State and Inventory
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State Base Year Differences(O&G methane excluded from chart)
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State Base Year Differences(O&G methane excluded from chart)
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State Base Year Differences(O&G methane excluded from chart)
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State Base->Future Differences(O&G methane excluded from chart)
Very similar trends from base to future year, despite different starting and ending years
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State Base->Future Differences(O&G methane excluded from chart)
Very similar trends from base to future year, despite different starting and ending years
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State Base->Future Differences(O&G methane excluded from chart)
Notable differences in the trends for non-EGU point and area O&G
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3SAQS Inventory Comparison Significant Trends
2008 2011Sector/Poll CO UT WY
Oil and Gas/VOC + + -
Oil and Gas/CH4 ++ ++ ++
Onroad/All - - -
Windblown Dust -- -- --
Nonpoint/VOC -
NEGU Point/NOx + - +
Biogenic/VOC + + +
2008 2020Sector/Poll CO UT WY
Oil and Gas/VOC + + +
Oil and Gas/CH4 ++ ++ ++
Oil and Gas/NOx -
Onroad/All - - -
EGU Point/SO2 - - --
EGU Point/PM10 -
ALM/NOx -
2011 2018ESector/Poll CO UT WY
Oil and Gas/VOC + + +
Oil and Gas/CH4 + + +
Onroad/All - - -
EGU Point/SO2 - - --
EGU Point/PM10 -
ALM/NOx -
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Colorado Oil and Gas Methane
2008 2011• Over 13 Mtons/year of CH4 in 2011 inventory from fixed roof tank condensates
• 483,000 tons/year of CH4 from all sources in 2008 inventory• ~1.4 x more VOC in 2011, ~30x more CH4 in 2011• Driven by increase in fixed roof tank emissions in the Piceance Basin (application of the
ROG2TOG multiplier for condensates = 449 using profile ID SSJCB)