Pollution from anthropogenic sources of regional importance: A case study

byDr. Gazala Habib

Aerosol Research and Characterization (ARC) group

Department of Civil EngineeringIndian Institute of Technology Delhi

Email: gazala@civil.iitd.ac.ingazalahabib@gmail.com

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PM2.5

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Source: IPCC, 2013

Radiative forcing (Wm-2): Net change in solar radiation per m2 of area

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Adopted from Bond et al. 2013

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Each 10 mg/m3 increase in PM2.5 long term exposure has been associated with a 6% and 8% increased risk of cardiopulmonary and lung cancer mortality respectively (Pope III et al., 2006, JAMA).

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PM2.5

sampler

Flue gas

analyzer

Digital flow meter for zero

air system

Temp. and RH

data logger

Vane probe

velocity meter

Zero air system

Gas

probe

RH and

Temp.

probe

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Toxicological study on human lung cellLong and short term exposure of PM mass on human lung cellCharacterization of PM mass for toxic elements and PAHsExposure of lung cell with NIST standard of urban PM, Diesel

PMRelation between standard test and ambient PM exposure Development of risk factor

* Possible mechanistic effects of air pollution on

cardiovascular morbidity and mortality

Source: Mills et al., 2009; Forastiere and Agabiti, 2013