NYC-WTC_000186193
Draft environmental data report for the World Trade Center site prepared by IT Corporation for the EPA in November 2001.
19 shared non-person entities · similarity 0.965
machine-extracted · confidence unavailable · Check page ↗Document / 137 pages
NYC-WTC_000232959
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NYC 9/11 Public Portal Document
CONTENTS Page
LIST OF TABLES iv
LIST OF FIGURES V
LIST OF SAMPLING EVENT PHOTOGRAPHS vii
EXECUTIVE SUMMARY 1
ABSTRACT 9
INTRODUCTION 10
BACKGROUND 10 A. World Trade Center Towers 10 B. Potential Contaminants 11 C. Monitoring in Lower Manhattan After the Collapse of the World Trade Center 11 D. Community Exposures 12 E. Human Health Effects of Concern 12
OBJECTIVES 12
METHODS 13 A. Sampling Approach 13 B. Samples Taken 13 C. Field and Laboratory Changes From the Original Sampling Protocol 14 1. Field Changes 14 2. Sample Analysis Changes 15 D. Data Management and Quality Assurance/Quality Control Procedures 15 E. Data Analysis 17 F. Limitations and Uncertainties 17
RESULTS 18 A. Survey 18 B. Settled Surface Dust 19 1. Fiber Analysis of Settled Surface Dust 19 2. Mineral Analysis of Settled Surface Dust 20 3. Alkalinity of Settled Surface Dust 22 C. Air 22
1
CITY_21MC100_011171431
NYC-WTC_000232962
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NYC-WTC_000232962Source: NYC Law Department, mirrored locally
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DEP asbestos project notification form and inspection report dated December 12, 2002.
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Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
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Draft spreadsheet of asbestos sampling results from residential locations collected November-December 2001, circulated for review.
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A chain of custody cover sheet for air monitoring samples sent to the EPA Region 1 laboratory in January 2003.
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