1. Nez Perce Tribe Woodstove Study & Change Out Johna Boulafentis Environmental Outreach Specialist Environmental Restoration and Waste Management

2. Study Overview 16 participating households 16 participating households Sampling before/after changeout Sampling before/after changeout Ambient PM 2.5 mass Ambient PM 2.5 mass Indoor PM 2.5 levels and chemical Indoor PM 2.5 levels and chemical markers of woodsmoke Woodstove change out Woodstove change out Outreach and education Outreach and education

3. Indoor Sampling Equipment Equipment DustTrak (Model 8520) DustTrak (Model 8520) Leland Sampler / Personal Environmental Monitor (PEM) with a quartz filter Leland Sampler / Personal Environmental Monitor (PEM) with a quartz filter Data Collection Data Collection Sampled for 24-hour period, Sampled for 24-hour period, one to five sample days Intern sampling duties Intern sampling duties Participant responsibilities Participant responsibilities

4. From Old to New

5. Indoor PM 2.5 Mass Comparisons

6. PM2.5 Mass Following Outreach/Education 2412.0 322.7

7. Outreach and Education Lessons Learned New stove learning curve Less is more Be specific. Step by step directions

8. Outcomes/Successes Partnerships & intern participation Partnerships & intern participation Reduced ambient PM2.5 in each community Reduced ambient PM2.5 in each community Reduced indoor levels Reduced indoor levels PM 2.5 levels by 52% PM 2.5 levels by 52% Levoglucosan by 63% (chemical marker) Levoglucosan by 63% (chemical marker) 16 tribal homes with EPA certified stoves 16 tribal homes with EPA certified stoves Outreach and Education Outreach and Education

9. Thank You! Contact Information: Johna Boulafentis johnab@nezperce.org 208-621-3821