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Biomass - Air Quality

Biomass - Air Quality. Commercial/Institutional Biomass Boilers (fuels-for-schools) July, 2008 meeting follow-up Small Boiler Area Source MACT Woodstove NSPS NSPS revision timeframe ‘Affected facilities’ Work Group recommendations. Commercial/Institutional Biomass Boilers.

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Biomass - Air Quality

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  1. Biomass - Air Quality • Commercial/Institutional Biomass Boilers (fuels-for-schools) • July, 2008 meeting follow-up • Small Boiler Area Source MACT • Woodstove NSPS • NSPS revision timeframe • ‘Affected facilities’ • Work Group recommendations

  2. Commercial/Institutional Biomass Boilers • WESTAR, NESCAUM, EPA, FLM meeting, July, 2008 • Discussion of interests • Air quality • Biomass utilization • Discussion of draft work group products • Estimating Emissions and Exposure • Control Technology/Siting Criteria • Mitigation Approaches to Minimize Risk • Messaging • Small Boiler Area Source Rule, July, 2009 • Control Technology Paper, March, 2009 • NESCAUM Model Rule, April, 2009

  3. Small Boiler Area Source Rule • Court-ordered area source rule for small institutional and commercial boilers • Proposal - July 15, 2009 • Promulgation - July 15, 2010 • MACT levels per Section 112(c)(6) • Will likely require stringent air toxics emission limits for new sources based on high efficiency boiler and fabric filter combinations • Existing source limits to be determined • Note: The definition of “waste” versus “fuel” is still to be decided. If “waste” includes woody biomass, then those boilers will be subject to stringent Section 129 rules [already promulgated].

  4. Wood Stove NSPS Review Request • April 29, 2008 WESTAR/NESCAUM joint letter to EPA requesting: • “review and revision of the current residential wood heater/ indoor wood stove NSPS to capture the broader suite of RWD (residential wood heating devices)” • “fireplaces, masonry heaters, pellet stoves, and indoor and outdoor wood boilers, furnaces…we urge EPA to develop standards…”

  5. Wood Heater NSPS Timeline • Wood Stove NSPS – 1988 • Wood Stove NSPS Review FY09 • Stakeholder meetings • Wood Stove NSPS Revision Proposal – FY10 [tighten emission level, close loopholes, add pellet stoves] • Wood Stove NSPS Revision Promulgation FY11

  6. Other Appliance Timelines? • OWHH Voluntary Program • Phase 1 level –started January 2007; ends March 31, 2010 • Phase 2 level –started October 2008  NSPS proposal FY11 • IH [hot air furnaces] Voluntary Program – September 2009?  NSPS proposal FY11 • Low-mass Fireplace voluntary program – Phase 1 and Phase 2 concurrently starting March 2009  NSPS proposal FY11 • Masonry Fireplace Voluntary Program – Schedule tbd NSPS proposal FY11 • Masonry Heater Voluntary Program – Schedule tbd NSPS proposal FY11

  7. Work Group Recommendations • Tighten Standards for Catalytic, Non-Catalytic and Pellet appliances • Remove exemptions (i.e. expand applicability) • Allow voluntary standards to produce ‘Best Demonstrated Technology’ • Timely NSPS Regulation of boilers, furnaces, and fireplaces

  8. WESTAR State Participants • Rachel Sakata, Oregon • Rod Tinnemore, Julie Oliver, Washington • John Coefield, Eric Merchant, Deb Wolfe, Montana • Michael Harris, Colorado

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