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Proposed Amendments to State Standards Logistics

This workshop provides an overview of the proposed 2013 amendments to the area designations for state standards logistics. The presentation is available online and includes information on the designation process, proposed changes, and next steps. Participants can provide comments and engage in discussion. For more information, visit the provided website.

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Proposed Amendments to State Standards Logistics

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  1. Public Workshop August 29, 2013 Proposed 2013 Amendments to theArea Designations for State Standards

  2. Logistics • Presentation available on-line • www.arb.ca.gov/desig/2013statedesig.htm • Go-to-Meeting Webinar • www1.gotomeeting.com/register/465403048 • Webinar ID = 465-403-048 • Problems during presentation • email Jenette Kwong at jkwong@arb.ca.gov August 29, 2013 2

  3. Presentation Outline • Designation Process & Criteria • Proposed Designation Changes • Next Steps • Comments and Discussion August 29, 2013 3

  4. Designation Process • ARB adopts State standards to protect public health and welfare • ARB adopts designation criteria and area designations • Designations indicate healthfulness of air quality • Designations reviewed annually August 29, 2013 4

  5. Data to Use • “Data for Record” • Meet siting and QA procedures • Collected by ARB, Districts, others • Reflect expected highest concentrations • Time Period • Most recent 3 calendar years • Current review: 2010-2012 August 29, 2013 5

  6. Exceedance vs. Violation • Exceedance • Concentration higher than standard • Qualifying exceedances are excluded as • Highly Irregular or Infrequent Events • Violation • Exceedance not excluded as Highly Irregular or Infrequent Event • Not all exceedances are violations August 29, 2013 6

  7. Designation Categories • Nonattainment • 1 or more violations in last 3 years • Attainment • No violations in last 3 years • Unclassified • Insufficient data August 29, 2013 7

  8. Designation Categories • Nonattainment-Transitional • Subcategory of Nonattainment • Ozone • 3 or fewer exceedances in last year • Designation by District • Does not require ARB action • Occurs by Operation of Law August 29, 2013 8

  9. Proposed 2013 State Area Designation Changes • Lead, NO2, Ozone, PM2.5 , and PM10 • One Ozone change by Operation of Law • Remaining changes require EO Action August 29, 2013 9

  10. State Lead Standard • One Standard • 30-Day Average = 1.5 µg/m3 • Not to be equaled or exceeded 10

  11. Proposed Lead Change • Los Angeles County • South Coast Air Basin • Currently Nonattainment • High site is Rehrig (Exide) • Designation value = 0.6 µg/m3 • Propose Attainment for County August 29, 2013 11

  12. State NO2 Standard • Two Standards • 1-Hour Average = 0.18 ppm • Annual Average = 0.030 ppm • Both are not to be exceeded • Areas must meet both standards for Attainment designation 12

  13. Proposed NO2 Change • South Coast Air Basin • Currently Nonattainment • 1-hour High shared by four sites • 1-hour designation value = 0.09 ppm • Annual High site is Pomona • Annual designation value = 0.026 ppm • Propose Attainment for Air Basin August 29, 2013 13

  14. Ozone Standard • Two Standards • 1-hour = 0.09 ppm • 8-hour = 0.070 ppm • Both are not to be exceeded • Areas must meet both standards for Attainment designation August 29, 2013 14

  15. Proposed Ozone Change • Glenn County • Sacramento Valley Air Basin • Currently Nonattainment-Transitional • High site is Willows • 8-hour designation value = 0.069 ppm • No 8-hour exceedances in 2012 • Propose Attainment for County August 29, 2013 15

  16. Proposed Ozone Change • Colusa County • Sacramento Valley Air Basin • Currently Nonattainment-Transitional • High site is Colusa • 8-hour designation value = 0.067 ppm • No 8-hour exceedances in 2012 • Propose Attainment for County August 29, 2013 16

  17. Proposed Ozone Change • Yolo and Solano Counties • Sacramento Valley Air Basin • Currently Nonattainment-Transitional • High site is Woodland • 8-hour designation value = 0.080 ppm • Nine 8-hour exceedances in 2012 • Nonattainment by Operation of Law August 29, 2013 17

  18. PM2.5 Standard • One Standard • Annual Average = 12 mg/m3 • Not to be exceeded August 29, 2013 18

  19. Proposed PM2.5Change • Glenn County • Sacramento Valley Air Basin • Currently Unclassified • High site is Willows • Annual designation value = 9 mg/m3 • Propose Attainment for County August 29, 2013 19

  20. Proposed PM2.5Change • Sacramento County • Sacramento Valley Air Basin • Currently Nonattainment • High site is Sacramento-Del Paso • Annual designation value = 12 mg/m3 • Propose Attainment for County August 29, 2013 20

  21. Proposed PM2.5Change • Salton Sea Air Basin • Imperial (partial) and Riverside (partial) Counties (Remainder of Air Basin outside of • City of Calexico) • Currently Unclassified • High site is Indio • Annual designation value = 8 mg/m3 • Propose Attainment for most of Air Basin August 29, 2013 21

  22. PM10 Standard • Two Standards • 24-Hour = 50 mg/m3 • Annual Average = 20 mg/m3 • Both are not to be exceeded • Areas must meet both standards for Attainment designation August 29, 2013 22

  23. Proposed PM10 Change • Del Norte and Trinity Counties • North Coast Air Basin • Currently Nonattainment • Del Norte high site is Crescent City • 24-hour designation value = 40 mg/m3 • Annual designation value = 15 mg/m3 • Trinity high site is Weaverville • 24-hour designation value = 42 mg/m3 • Annual designation value = 18 mg/m3 • Propose Attainment for Counties August 29, 2013 23

  24. What’s Next? • September 6 • Deadline to submit initial comments or provide additional information • October 15 • Staff report released for public comment period August 29, 2013 24

  25. Further Information • Online information • www.arb.ca.gov/desig/desig.htm • Sign up for designation listserve • Contacts • Theresa Najita (General, PM) • (916) 322-7297 (tnajita@arb.ca.gov) • Jenette Kwong (Ozone, Lead, NO2) • (916) 324-9460 (jkwong@arb.ca.gov) August 29, 2013 25

  26. Comments … Questions … Discussion … August 29, 2013 26

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