Petros Koutrakis sac-presentation-petros 2019 V2 · Petros Koutrakis_sac-presentation-petros 2019...
Transcript of Petros Koutrakis sac-presentation-petros 2019 V2 · Petros Koutrakis_sac-presentation-petros 2019...
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Center Title:Regional Air Pollution Mixtures:
The past and future impacts of emissions controls and climate change on air quality and health
Institutions:Harvard University
Massachusetts Institute of Technology
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Day 1 - Monday June, 10thLocation: Meridien Hotel in Cambridge MA
8:30 – 9:00 Check in and Breakfast All9:00 – 9:15 Welcome and Introduction Koutrakis, Russell9:15 – 10:00 Project 1 Koutrakis, Mickley, Requia10:00 – 10:45 Project 2 Coull10:45 – 11:15 Break All11:15 – 12:00 Project 3 Schwartz12:00 – 1:30 Lunch All1:30 – 2:15 Project 4 Zigler2:15 – 3:00 Project 5 Selin3:00 – 4:30 Coffee and Posters All5:30 – 7:30 Dinner at Le Meridien All
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Day 2 - Tuesday, June 11thLandmark Center West, 401 Park Drive, Room 414-a
*Note venue change for day 2
8:30 – 9:00 Breakfast SAC Members
9:00 – 11:00 Committee Meets Alone SAC Members
11:00 – 11:30 Break SAC Members
11:30 – 1:30 Discussion and Lunch SAC, PIs, and EPA
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Project 1: Regional Air Pollution:
Mixtures Characterization, Emission Inventories, Pollutant Trends, and Climate
Impacts
Petros Koutrakis (lead PI); Brent Coull; Daniel J. Jacob;
Loretta J. Mickley; and Joel Schwartz
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Objective 1
• Compile comprehensive air pollution, weather, emissions, and GIS datasets for the entire continental US for the period 2000-2015.
– Estimate gases and PM concentrations at a high spatial resolution by assimilating data from monitoring networks, satellite platforms, air pollution models, and spatiotemporal statistical models
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Significant progress, publications with model results, applications to health effects studies, collaborations
(Joel will present this work later)
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Objective 2
• Develop and make publically available a national PM2.5 emission inventory database of high spatial resolution (1 km) for 2000-2015
– This will be achieved through the application of a novel methodology we developed that predicts point and area source emissions using AOD measured by satellite remote sensors;
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PM2.5 Emission in NE USA 2002-2013
Emission (Tons/km2/yr)
0 - 10
11 - 20
21 - 25
26 - 30
31 - 40
41 - 50
51 - 60
>60
Previously made a lot of progress, recently we faced technical difficulties
After we spent over two years we abandoned this project
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Investigation of exposure to non-tailpipe emissions
Originally Funded by HEI
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Future publications on non-tailpipe emissions
• Development of a mobile facility to collect high volume samples near roads [Poster by Marco]
• Concentration gradient:• Metals in ambient particles [Poster by Emily]• Metals in road dust [Poster by Pablo]• EC and OC fraction in ambient particles [Shaodan, in progress]• EC and OC fraction in road dust [Tiana, in progress]
• Our results indicate a log(distance) gradient• Support findings of previous epidemiological studies
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Objective 3
• Characterize spatial and temporal trends of pollutant mixtures:
– Perform cluster analysis to group areas that exhibit distinct pollutant profiles or mixtures, referred to as “Air Pollution Regions”
– Analyze their spatial patterns and temporal trends toinvestigate the impact of regulations, climate change, andmodifiable factors on regional mixtures
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Objective 3
• Development of a mobile facility to collect high volume samples near roads
• Near road concentrations of metals in ambient particles
• Near road concentrations of metals in road dust
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Objective 3 Publications
• Climate impact on ambient PM2.5 elemental concentration in the United States: a trend analysis over the last 30 years
Journal: Environment International; Status: in PressWeeberb will present this paper in a few minutes
• Regional air pollution mixtures across the continental USJournal: Atmospheric Environment; Status: in Press [by Weeberb]
• The impact of wildfires on particulate carbon in the western U.S.A. [by Weeberb]
Journal: Atmospheric Environment; Status: Published
• Trends of Ultrafine particles in Boston during 2000-2018 [Poster by Melissa]
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Objective 4
• Forecast the impact of regional climate change on air quality for 2016-2040 using an ensemble of climate models
– Project the potential impact of climate change on regional pollutant mixtures and predict future regional air quality assuming no changes in anthropogenicemissions.
Loretta will present her group work in a few minutes
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Health Effects of Ambient Particle Radioactivity
Harvard - MIT ACE Center
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Exposures to Environmental RadiationAtmosphere: Gaseous and Particulate Radionuclides
Extraterrestrial Radiationα, β, γ, X, Subatomic Species
Cosmic Solar
Terrestrial Radiationα, β, γ
Indoor Outdoor
Lithosphere and Hydrosphere: Radionuclides in Food and Water
DIRECT DIRECT
INHALATION DERMAL
INGESTION DERMAL
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Radiation
•Types of ionizing radiation:• α (two protons and two neutrons)• β (electrons)• γ (photons)
•Natural versus artificial: • Natural: Terrestrial, Solar and Cosmic (Galactic)• Artificial: Nuclear weapons, nuclear accidents, medical and scientific
applications
•Direct and PM-attached radiation:• Direct exposure to α, β and γ radiation• PM carries radioactive nuclides
which ENTER OUR BODY; can emit α, βand γ
WHO, 2019
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α Particles: Short-lived & Long-lived?
222Rn
3.8d
218Po
3.1m
214Pb
26.8m
214Bi
19.7m
214Po
0.2ms
210Pb
22.3y
210Bi
5.0d
210Po
138.4d
206PbStable
α α α αβ β β β
Ø Short-lived α particles: 218Po, 214Po ≈ Short-lived α activity (SLA)Ø Long-lived α particles: 210Po ≈ Long-lived α activity (LLA)Ø 210Pb can be also used as a reservoir of alpha radiation due to a long life time
Short-lived Progeny Long-lived Progeny
Poster by Choong Min
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Our Hypothesis/Thesis
• PM carry radionuclides that that emit α, β and γ Particle Radioactivity (PR)
• Treat PR as an another property like mass or sulfate (e.g., PR-β)
• PM - attached radioactive nuclides can deposit onto the lungs or translocate
• α is the most toxic but it can not cross the epidermis (inhalation/ingestion)
• In our studies we use β and γ activities or individual radionuclides as surrogates of α exposure
Po210
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Most of PM gross α activity is in PM2.5
PM2.5 versus PM10 gross alpha activities (Bq/m3)
Over 90%
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Exposure Data and Metrics for our Health Studies
EPA RadNet (over 120 sites across US)• TSP gross β radiation for long-lived radionuclides• TSP gross ɣ in 8 wavelength ranges for short-lived radionuclides• Individual radionuclides such as Pb210, Bi212, Be7 etc. from
composite samples
Indoor Radon • SRRS EPA measures provide data for the entire US by County• Berkley model estimates based on
EPA measures by County• Privately collected indoor samples
provide information by Zipcode
Source: USGS
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Exposure Data and Metrics for our Health Studies
Harvard measures:• PM gross α for long-lived radionuclides using previously
collected Teflon filters (decades ago)
• PM gross α and β measures for long-lived radionuclides using Teflon filter samples from future studies
• PM gross α for short-lived radionuclides using Electret integrated prospective samples
Future plan our laboratory:• ɣ and α spectrometers to identify and quantify individual
radionuclides and to apportion PM gross α and β radiation levels
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Analyze the distribution of radon progeny 210 Polonium (210Po) in olfactory epithelium, olfactory bulb, frontal
lobe, and lungs tissues in cadavers from Mortem Verification Service of the City of
São Paulo (SVOC), Sao Paulo, Brazil.
Biomarker Study: In collaboration withUniversity of Sao Paulo, Brazil
24
Plans: Measures of Po210 and Pb210 in biologic specimensPlacenta and umbilical for live births
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210Po by Tissue sample (Bq/Kg)
SampleOlfactory
BulbOlfactroy
Epithelium LungFrontal Lobe
N 25 30 30 30Mean 6.41 2.42 2.53 1.04
Median 4.85 2.19 1.32 0.72Min 1.23 0.56 0.37 0.27Max 19.50 7.02 12.61 6.42SD 4.45 1.23 2.80 1.28
25
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Effect Modification of Ambient Particle Mortality by Radon: A Time Series Analysis in 108 U.S. Cities
Blomberg, Annelise J., Brent A. Coull, Iny Jhun, Carolina L.Z. Vieira, Antonella Zanobetti, Eric Garshick, Joel Schwartz, and Petros Koutrakis
Journal of the Air & Waste Management Association (2019)
Residential radon exposure and all-cause mortality risk among Medicare beneficiaries
Maayan Yitshak Sade, Annelise J. Blomberg, Antonella Zanobetti, Joel D. Schwartz, Brent A. Coull, Itai Kloog and Petros Koutrakis
Environment International, In Press(Poster by Maayan)
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Normative Aging Study
•Effects of PM beta gross activity is associated with:• An increase SBP and DBP [Nyhan et al (2018); J. Am. Heart Assoc.]• A decrease in FEV1 and FVC [Nyhan et al; Env. International in Press]• An increase in inflammatory and endothelia dysfunction markers [Poster
by Annelise]• A decrease in hemoglobin levels [Poster by Carol]• An adverse effect on renal function [Xue et al; Manuscript under Review
in Env. International]
COPD Cohort
•Effects of PM ɣ gross activity is associated with:• An increase in inflammatory markers in blood [Poster by Shaodan]• A decrease in FEV1 and FVC [Vieira et al, in Env. Pollution, in press]• An increase of markers of oxidative stress and DNA damage in urine
[Huang et al; manuscript ready to submit]
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Massachusetts Birth Registry Approximately 1,000,000 births 2000-2016
• Effects of PM β gross activity on gestational diabetes; [Manuscript in preparation - Poster Stefania]
• Effects of indoor Rn on gestational hypertension; Yao et al; [Manuscript in preparation - Poster Weiyu]
• Using the same data preliminary analysis has shown:• Effects of indoor Rn on gestational diabetes• Effects of PM gross β activity on gestational hypertension
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Normative Aging Study
•Effects of PM beta gross activity is associated with:• An increase SBP and DBP [Nyhan et al (2018); J. Am. Heart Assoc.]• A decrease in FEV1 and FVC [Nyhan et al; Env. International in Press]• An increase in inflammatory and endothelia dysfunction markers
[Poster by Annelise]• A decrease in hemoglobin levels [Poster by Carol]• An adverse effect on renal function [Xue et al; Manuscript under Review
in Env. International]
COPD Cohort
•Effects of PM ɣ gross activity is associated with:• An increase in inflammatory markers in blood [Poster by Shaodan]• A decrease in FEV1 and FVC [Vieira et al, in Env. Pollution, in press]• An increase of markers of oxidative stress and DNA damage in urine
[Huang et al; manuscript ready to submit]
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Massachusetts Birth Registry Approximately 1,000,000 births 2000-2016
• Effects of PM gross β activity on gestational diabetes; [Manuscript in preparation - Poster by Stefania]
• Effects of indoor Rn on gestational hypertension; Yao et al; [Manuscript in preparation - Poster by Weiyu]
• Using the same data preliminary analysis has shown:• Effects of indoor Rn on gestational diabetes• Effects of PM gross β activity on gestational hypertension
Exposure to PM gross β activity and the Risk of Ventricular Arrhythmias
• Ventricular arrhythmic events identified among 176 patients with dual-chamber implanted cardioverter-defibrillators (ICDs) in Boston [Manuscript in preparation – Poster by Adjani]
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Thanks