CHARACTERIZATION OF THE DUST/SMOKE AEROSOL THAT SETTLED EAST OF THE WORLD TRADE CENTER (WTC) IN LOWER MANHATTAN
After the Collapse of the WTC, September 11, 2001*

ACKNOWLEDGMENTS

Compliments of the Discovery Channel

BACKGROUND

Slide 5

Who could have been or could be exposed to the materials in these initial dust/smoke samples?

Exposed
Population on
September 11, 2001

BACKGROUND

The World Trade Center Dust and Smoke Plume (Midday) Moving East on September 11, 2001

BACKGROUND

Slide 11

BACKGROUND

Contaminants Potentially Present* at the World Trade Center Site

BACKGROUND

The General Appearance of the Bulk Dust Collected at the Cortlandt, Cherry, and Market Street Locations East of the World Trade Center Site

SPECIFIC EXPOSURE ISSUES

Slide 17

ANALYTICAL PLAN

GENERAL CHARACTERISTICS of the DUST

Slide 20

Coarse Calcium Carbonate Particle Present in the Cortlandt Street, NYC Sample

Slide 22

Slide 23

PAH Concentrations Measured in the Cortlandt, Market and Cherry Street Samples
(Collected to the East of the WTC on Day 5 and Day 6 after September 11, 2001)

Slide 25

CONCLUSIONS

CONCLUSIONS (contd.)