NYC 9/11 Public Portal Document
TABLE OF CONTENTS
INTRODUCTION ........................................................... 1
BACKGROUND ......... .............................. ... .................. 1
TECHNICAL APPROACH ........... ........................................ 2
RESULTS ...... ........ ................................................... 4
Benzene and Other Volatile Organic Compounds (VOCs) ........................ 4
Asbestos .................................................................18
Chlorinated Dioxins and Furans (CDD/CDF) ..... .............................34
Polychlorinated Biphenyls (PCBs) ...........................................37
Polynuclear Aromatic Hydrocarbons (PAHs) ................ . .................41
Metals ..................................................................43
Particulate Matter (PM 10 and PM 2.5) and Rain .............................. 48
Weather Conditions Summary from September 11 through October 23, 2001 ....... 50
TREND SUMMARY .........................................................51
SUMMARY OF INITIAL FINDINGS AND RECOMMENDED FOLLOW-UP ....... 52
ATTACHMENTS
Attachment 1- NYC Database Analyte List and Comments
Attachment 2 - Site Maps of New York City Area and Lower Manhattan
Attachment 3 - Target Analyte Trend Charts
t1
NYC-WTC 000130439
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