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Update on Progress of FY12-13 Work Plan Activities

Update on Progress of FY12-13 Work Plan Activities. Presentation to the NETAC Policy and Technical Committees Sue Kemball-Cook and Greg Yarwood June 13, 2013 skemballcook@environcorp.com. Haynesville Shale Mobile Source Emission Inventory.

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Update on Progress of FY12-13 Work Plan Activities

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  1. Update on Progress of FY12-13 Work Plan Activities Presentation to the NETAC Policy and Technical Committees Sue Kemball-Cook and Greg Yarwood June 13, 2013 skemballcook@environcorp.com

  2. Haynesville Shale Mobile Source Emission Inventory • Heavy-duty diesel trucks transporting water and materials to and from Haynesville well sites may be an important source of NOx emissions • Not included in NETAC’s Haynesville emission inventories • Trips can occur on rural public roads and on private roads • Trips may not be fully accounted for in current on-road mobile source emission inventories • Study aims to characterize the magnitude of these emissions by developing a new Haynesville Shale mobile source inventory • Is this a significant source of emissions?

  3. Method and Status • 2012 emission inventory year • Survey developed, approved by NETAC Technical Committee, and sent to 14 producers in April, 2013 • Email/phone followup • 1 survey has been returned • Now reviewing other studies to provide additional information on truck traffic associated with natural gas production • Develop emission inventory • Assess significance of on-road mobile in relation to other Haynesville sources • Incorporate inventory into NETAC’s ozone modeling

  4. Control Strategy Evaluation • Develop a list of potential emissions control measures to be evaluated with NETAC’s ozone models • To be creditable in a SIP, emissions reductions must be: • Permanent • Federally enforceable • Surplus • Quantifiable • Voluntary local measures that do not meet these criteria can be considered • Request that operators of large EGU/industrial sources contribute description of potential emission controls for their facilities • Ozone Advance Path Forward Document

  5. Ozone Modeling • Reduce high bias in modeled ozone • More accurate simulation of transported versus local contribution • Sensitivity tests • AQRP project • Re-run episodes using source apportionment to confirm relative importance of source regions and emission source categories • Use modeling and emissions study results to develop control strategy evaluation report that can inform NETAC’s Ozone Advance Path Forward Letter • CAMx runs to guide control strategy development • What is the effect of reducing emissions from a particular emissions category on Northeast Texas ozone? • Final report

  6. Other Tasks • Conceptual model update through the 2012 ozone season • Analysis underway, report completed by fall 2013 • Review of TCEQ point, area, off-road emission inventories for 2008 • Analysis completed, report in progress

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