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VOC sampling locations table for Ground Zero area, Jan 2002

Machine-extracted title · confidence 100%

Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.

NYC-WTC_000148952–000149197

Folder label: “NO INFO”

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NYC 9/11 Public Portal Document

Contents

Authors, Contributors, and Reviewers V

Executive Summary vi

I. Introduction 1

n. Materials and Methods...................................................................... 3 A. WTC PM Sample Collection and Size Fractionation................. 3 B. Extraction of PM from Teflon Filters......................................... 4 C. Control PM Samples Used in WTC2001 Study......................... 5 D. Physical and chemical analysis of solid (bulk and filter) samples. 6 1. Scanning electron microscopy / energy-dispersive x-ray (SEM/EDX) analysis......... 6 2. X-ray diffraction (XRD) analysis....................................... 6 3. X-ray fluorescence (XRF) analysis..................................... 7 4. Carbon fraction analysis..................................................... 7 E. Chemical analysis of liquid extracts of bulk and filter samples, 7 1. pH...................................................................................... 7 2. Endotoxin........................................................................... 7 3. Inductively coupled plasma - atomic emission spectrometry (ICP-AES) and - mass spectrometry (ICP-MS)...................................................... ....7 4. Ion chromatography (IC) of deionized water extracts................. ....8 F. Experimental Animals and Weight Randomization......................... ....8 G. Toxicological Endpoints: Experimental Design.............................. ....8 1. Experiment A............................................................................. ....9 2. Experiment B............................................................................. ....9 3. Experiment C............................................................................. ....9 H. Oropharyngeal Aspiration of PM Samples...................................... ....9 1. Nose-Only Inhalation Exposure...................................................... ...10 J. Respiratory Responses Assessed by Whole Body Plethysmography. ...10 1. Immediate Airway Responses to PM2 5 Exposure....................... ...10 2. Airway Responsiveness to Methacholine Aerosol...................... ...11 K. Diffusmg Capacity of the Lung for Carbon Monoxide.................... ...11 L. Bronchoalveolar Lavage (BAL)...................................................... ...11 M. Histopathology............................................................................. ...12 1. Lung histopathology................................................................... ... 12 2. Nasal histopathology.................................................................. ...12 N. Statistical Analysis ........................................................................ ...12

iii

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NYC-WTC_000149139Source: NYC Law Department, mirrored locally

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