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Air Pollution Control Program: Proposed Changes

Air Pollution Control Program: Proposed Changes. Presented to the Air Pollution Control Board April 2009. Time for Updates…. Federal PM 2.5 standard moved from 65 ug/m 3 daily average for the year to 35 ug/m 3 . That’s almost half what it was

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Air Pollution Control Program: Proposed Changes

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  1. Air Pollution Control Program: Proposed Changes Presented to the Air Pollution Control Board April 2009

  2. Time for Updates… • Federal PM2.5 standard moved from 65 ug/m3 daily average for the year to 35 ug/m3. • That’s almost half what it was • Health Implications were documented before this change was made. • Health Department is charged with protecting public health by protecting the standard. • Don’t want to become non-attainment and we are already within one microgram for the daily standard!

  3. Health Effects of PM2.5 • Premature death in people with heart or lung disease • Decreased lung function • Aggravate asthma • Heart attacks • Irregular heart beat • Development of chronic bronchitis • Wood smoke contains carcinogens. • People with heart or lung diseases, children and older adults are most likely to be affected by PM2.5.

  4. Chapters in Revision • Ch. 4 - Emergency Episode Avoidance Plan (EEAP) • 3 Proposed Changes • Ch. 6 – Industrial Sources • 1 Proposed Substantive Change • Ch. 9 – Solid Fuel Burning Devices (SFBD) • 4 Proposed Changes • Ch. 14 – Enforcement and Administrative Procedures • 1 Proposed Change

  5. Ch. 4 - EEAP • Goal • Promulgate new PM2.5 standard into Alerts and Warnings • Three Proposed Changes • Alert/Warning Levels • Area for alerts • Special wildfire alerts

  6. Ch. 4 EEAP • Proposed Change #1 • Set Stage I Alerts and Stage II Warnings for various levels of PM2.5 pollution • Alerts and Warnings have two major parts • Health Advisories – How to protect yourself (which we can already give out now) • Restrictions - Strategies to reduce the PM2.5 levels being emitted. Trying to reduce sources of the problem.

  7. Proposed PM2.5 Alert and Warning Levels • Stage I Alert • “ May call alert” - Optional • PM2.5 8-hr average > 21 ug/m3 • Allows proactive measures if dispersion turning for the worse • “ Shallcall alert” - Required • PM2.5 8-hr average > 28 ug/m3 • Or if PM2.5 has the potentialto exceed 35 ug/m3 for 24-hr average. ~~~Predictive~~~

  8. Proposed PM2.5 Alert and Warning Levels • Stage II Warnings • “Shall call warnings” – • PM2.5 meets or exceeds 35 ug/m3 for an 8-hour period of time.

  9. Ch. 4 EEAP • Proposed Change # 2: • Increase area for potential Alerts and Warnings from Air Stagnation Zone to Zone M

  10. Ch 4. EEAP • Proposed Change #3 • Give provision for separate Wildfire Smoke Emergency Episode Avoidance Plan which can differ from rules put forth in Chapter 4 for Wintertime Alerts

  11. Ch. 6 – Stationary Sources • Permitting gap for small boilers exist. • Chapter 9 requires permits for units under 1 million Btu/hr and sets emission standards. • Chapter 6 requires air pollution sources that emit 25 tons or more of a pollutant to get an Air Quality Permit. • Small boilers, commonly found at fuels for schools projects, have heat inputs greater than 1 million Btu/hr and have pollutant emissions less than 25 tons per year. • Smaller boilers do not need a permit. • Goals: • Address a permitting gap that exists for boilers of a medium size that have the potential to effect local PM2.5

  12. Ch. 6 – Stationary Sources • Proposed Change: • Require all residential, institutional and commercial solid fuel burning devices with the heat input capacity to burn 1,000,000 BTU/hr or more to get an Air Quality Permit. • As part of the Air Quality Permit, require strict emission limits and testing to protect sensitive Airsheds found in Missoula County. • Industrial boilers not affected by rule change - new rule would be for space heating uses.

  13. Ch. 9 – Solid Fuel Burning Devices • Sampling has shown that fine particulate matter from woodstoves is a concern throughout the county • Goal: Address PM from wood smoke throughout the county

  14. Ch. 9 – Solid Fuel Burning Device • Four Proposed Changes: • #1: Require all new solid fuel burning devices throughout Missoula County to get a permit • #2: Adopt minimum emissions standards for solid fuel burning devices installed anywhere in the county • EPA Certified devices and/or devices that meet minimum emissions requirements.

  15. Ch. 9 – Solid Fuel Burning Devices • Four Proposed Changes: • #3: Allow New Zone M sole source permits for people outside the Air Stagnation Zone • If this was the sole sources of heat prior to XXXX date/year. Grandfathering time. • only if the house is not served by electric utility. • #4: Expand restrictions and enforcement for solid fuel burning device curtailment to the Air Stagnation Zone for Stage I Alerts, and to Impact Zone M for Warnings.

  16. Solid Fuel Burning Device Restrictions = ok to burn no = no visible emissions

  17. Ch. 14 – Enforcement & Admin. Procedures • Goal: Clarify the rules regarding who can ask for an administrative review • Proposed Change: • Make it clear that people adversely affected by a permitting action can request an administrative review

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