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This report discusses the need to revise the emission factors for Non-Methane Volatile Organic Compounds (NMVOC) in the agricultural guidebook. It highlights the criticism received and proposes a detailed review of the evidence. The report also explores alternative options for database restructuring and prioritizes chapters for endorsement.
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Agriculture & Nature Panel Nick Hutchings Barbara Amon Rainer Steinbrecher
Agenda • Guidebook revision • Maintenance and Improvement Plan for Guidebook • Report from Task Force on Reactive Nitrogen
Guidebook revision • NMVOC emissions from Animal Husbandry and Manure Management (4B)
NMVOC emissions in 4B • No emission factor in the current Guidebook • New emission factor in revised Guidebook • For some Parties, 4B would become the major source • Reasoned criticism at previous TFEIP meeting • Re-assess the evidence underpining emission factor
4B NMVOCs conclusions • Emission factor in revised Guidebook unreliable • Requires more detailed review
NMVOC – proposed action • Revert to position in current Guidebook • No emission factor for 4B – leave placeholders • Include review in Maintenance Plan • Timescale • Work ongoing in Europe and USA • US-EPA plan to establish emission factors in 2011 • Propose to undertake review in 2010 • Funding • 60 days
EFDB • Just Guidebook emission factors (linked to Guidebook) • Just Guidebook emission factors (unlinked) • Guidebook and national emission factors (unlinked) • Guidebook and submitted emission factors (unlinked)
Just Guidebook (linked) • Create additional work • Database – Excel – Word • Need to restructure database when amending methodologies • Limited resources • Would divert resources from Guidebook maintenance and improvement • Not convinced of substantial (non-Guidebook) benefits
Other options • Just Guidebook emission factors (unlinked) • OK • Guidebook and national emission factors (unlinked) • OK – if IIRs available as documentation • Guidebook and submitted emission factors (unlinked) • Quality control issues or resource issues
Revision process in the future • Rolling revision of chapters • Depends on scientific/technological developments • All chapters should be revised regularly
Chapters recommended for endorsement • Nature • 11B Forest fires • B1109 Gas seeps
Natural sources Natural Sources to be considered:
Specific items for the Maintenance Plan • Review of NMVOC emissions in 4B • Review of ammonia emission from fertilisers • VOC emissions from vegetation • Methodology for ammonia emissions from biogas facilities • Ammonia emission from crops
Priorities and resources • Review of NMVOC emissions in 4B • Priority 1 • 60 days • Review of ammonia emission from fertilisers • Priority 2 • 25 days
Priorities and resources • VOC emissions from vegetation • Priority 2 • 0 days • Methodology for ammonia emissions from biogas facilities • Priority 3 • 2-10 days • Ammonia emission from crops • Priority 3
Any other business • Potential versus net emissions • PM and NMVOCs • Make clear in Guidebook • Who should calculate net emissions? • Reporting of ammonia in 4B contra 4D