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Ag Contribution to VOC Emission Ag Contribution to VOC Emission Inventory (2002)Inventory (2002)
Total Annual VOC Emissions: 413.0 t/dTotal Annual VOC Emissions: 413.0 t/d Ag contribution (21.2%): Ag contribution (21.2%): 87.4 t/d 87.4 t/d Total Mobile Sources (86.7%): 357.9 t/d Total Mobile Sources (86.7%): 357.9 t/d
Agriculture Ozone PrecursorsAgriculture Ozone Precursors Oxides of Nitrogen (NOx): tons/yearOxides of Nitrogen (NOx): tons/year
ExampleExampleIrrigation Engine (1986 model, 350 h.p., runs 2600 Irrigation Engine (1986 model, 350 h.p., runs 2600
hrs): NOx produced – 7.2 t/yrhrs): NOx produced – 7.2 t/yr
Irrigation Engine (2003 Tier II model, 350 h.p., 2600 Irrigation Engine (2003 Tier II model, 350 h.p., 2600 hrs): NOx produced – 3.1 t/yrhrs): NOx produced – 3.1 t/yr
• Volatile Organic Compounds (VOCs): Volatile Organic Compounds (VOCs): ExampleExample
Dairy gives off between 5 – 13 lb/head/yrDairy gives off between 5 – 13 lb/head/yr
@ 13 lb/hd/yr, 1500 hd = 10 tons@ 13 lb/hd/yr, 1500 hd = 10 tons
AIR QUALITY PM10
PM2.5OZONE
NOx
SOxCarbon
MonoxideLead
(Pb)
Volatile Organic Compounds
Carbon
Dioxide*
Mercury Mercury (Hg)(Hg)
AGENDAAGENDA
IntroductionIntroduction Air Quality ParametersAir Quality Parameters PM-10 PM-10 OzoneOzone ConclusionsConclusions
CONCLUSIONSCONCLUSIONS Agriculture can be a significant source of Agriculture can be a significant source of
air pollution.air pollution. Monitoring sophistication and research is Monitoring sophistication and research is
needed to pinpoint speciation and amount needed to pinpoint speciation and amount of PM-10 and ozone.of PM-10 and ozone.
Agriculture is being proactive in dealing Agriculture is being proactive in dealing with it’s share of the air pollution problem.with it’s share of the air pollution problem.
Agriculture cannot pass on the cost of air Agriculture cannot pass on the cost of air pollution controls to consumers.pollution controls to consumers.
California Association of California Association of Resource Conservation Resource Conservation
Districts - Area IX MeetingDistricts - Area IX Meeting
San Joaquin Valley RegionSan Joaquin Valley Region
Spring 2004Spring 2004
Friday, April 16, 2004Friday, April 16, 2004
Clovis Veteran’s Memorial Clovis Veteran’s Memorial HallHall
Ron Harben, Air Quality Ron Harben, Air Quality SpecialistSpecialist