1 / 24

Sacramento Overview Sierra Ozone Summit

Sacramento Overview Sierra Ozone Summit. Larry Greene Air Pollution Control Officer. Summer Ground-level Ozone (smog).

kasi
Download Presentation

Sacramento Overview Sierra Ozone Summit

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Sacramento OverviewSierra Ozone Summit Larry Greene Air Pollution Control Officer

  2. Summer Ground-level Ozone (smog) The Sacramento valley is like a bowl. Strong summer temperature inversions clamp a “lid” on the bowl, creating stagnant conditions that cause pollution to build until the inversion breaks and ocean breezes dilute and dissipate ground-level ozone air pollution. We’re Geographically-Challenged NOX + VOC+Sunlight = 0zone + =

  3. National Rankings - 2007 Region is Consistently ranked in the Top 10 for ozone pollution 1. Los Angeles 6. Sacramento 2. San Joaquin Valley 7. Baton Rouge 3. Southeast Desert, CA 8. Dallas 4. Houston 9. Philadelphia 5. Nevada County, CA 10. Ventura

  4. Federal Ozone Non-attainment Area 120 miles

  5. Monitor Locations and Status

  6. Air Quality Trends - OzoneConcentrations, 1980 - 2007 1 hour 31% improvement 8 hour 19% improvement

  7. Emission Source Equivalents 1 TPD of VOC and NOx (Year 2019) 200,000 cars* 18,000 HD trucks 72 Locomotives (NOx only) 310 Gas Stations** (VOC only) * Base on average vehicle fleet mix ** No additional controls after 2005

  8. 2002 Emission Inventory Districts State/Federal

  9. Current Sacramento Regional NOx – 167 TPD

  10. Current Sacramento Regional VOC – 136 TPD

  11. NOx Inventory ForecastSacramento Nonattainment Area

  12. Controls in Sacramento • Over 40 adopted rules affecting • Residents and schools • water heaters, • house paints, varnishes and other solvents • wood burning appliances • Industrial and commercial sources • Electric power plants Automobile refinishing • Auto repair shops Bakeries • Asphalt paving Cabinet shops • Boilers and water heaters Landfill gas • Boat manufacturing Printing • Agricultural sources • Agricultural burning • Confined animal feeding operations • 10+ new or amended rules under consideration

  13. 2008 Benefits From District VOC RulesSacramento Region63 Tons/Day

  14. 2008 Benefits From District NOx RulesSacramento Region20 Tons/Day

  15. Innovative Clean Air Strategies • Incentive programs • Other strategies

  16. District Mobile Source Actions CMAQ School Bus EPA DMV Mitigation Other • Since 1998, 3784 engines, $88 million, 6.5 tons of NOx per day. ($13 million/ton per day)

  17. Other Innovations • Raley’s trucks • Off road NOx devices • Propane generators • Idling devices • Switch engines • Cap Corridor trains

  18. Nevada County Activities • Grass Valley in Sacramento’s Spare the Air ozone movies • Extended movies to 24 hours per day to capture Grass Valley peak ozone levels • Invited Northern Sierra APCD staff to participate in Sacramento planning efforts • Community invited to suggest additional control measures • Coordinate EPA grant to fund additional air monitoring equipment in Nevada County

  19. Progress towards attainment Use model results to project attainment Colored lines show attainment dates for each part of the region

  20. Questions???

  21. Attainment Goal How difficult is attainment in 2012?Effects of draconian strategies Need 40% reductions to attain.

More Related