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NYC-WTC_000220294

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000220294–000220295
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NYC 9/11 Public Portal Document

AMBIENT LABS, INC. 159 WEST 25TH STREET NEW YORK. NY 10001 BULK SAMPLE LABORATORY DATA REPORT PROJECT: 0211512 COLLECTED: 11/6Z2001 BATCH ID: 3429 SIGNED FOR AMBIENT LABS INC. BY: CLIENT; AMEX Towers DATEREC'D: 11/7/2001 LOCATION ; 3 World Financial Center TIMEREC'D: 11:44 AM TECHNICIAN : ANALYZED: 11/13/2001

PERCENTOF LABORATORY ID FIELD ID SAMPLE SAMPLE ASBESTOS TOTAL SAMPLE NUMBER NUMBER COLOR DESCRIPTION PRESENT ASBESTOS CONSTIUTENTS

B2K91786 16-20A GREY ROOM ACROSS WTC. YES 0.80 % (P) CHRYSOTILE: .80 % CELLULOSE: 30.00 % MINERAL WOOL: 30.00 % NON-FIBROUS : 39.20 % B2K91787 16-21A GREY FRANK NAPOLITANO WINDOWSILL YES 0.80 % (P) CHRYSOTILE : .80 % NORTHEAST. CELLULOSE: 30.00 % MINERAL WOOL: 30.00 % NON-FIBROUS: 39.20 % B2K91788 16-13 INCOLUM CASE. NAD 0.00 % 0

B2K91789 16-14 INCOLUM CASE. NAD 0.00 % 0

B2K91790 16-16 INCOLUM CASE. NAD 0.00 % 0

B2K91791 16-16 WEST PHONE CLOSET FLOOR. NAD 0.00 % 0

B2K91792 16-17 ELECTRICAL WEST FLOOR. NAD 0.00 % 0

B2K91793 16-18 MEN ROOM. NAD 0.00 % 0

B2K91794 16-19 INSIDE ROOM FLOOR. NAD 0.00 % 0 o H B2K91795 16-19 ROOM ACROSE WTC. NAD 0.00 % 0 I ro

NAD = No Asbestos Detected. Trace < 0.25 %. o (P) Analysis by Polarized Light Microscopy (PLM) NYS ELAP method 198.1 or EPA/600/R-93/116. (T) Analysis by Transmission Electron Microscopy (TEM) NYS ELAP method 198.4. Polarized o Light Microscopy is not consistently reliable in detection of asbestos in floor coverings and similar non-friable organically bound materials. Quantitative transmission electron microscopy is currently Io the only method that can be used to determine if this material can be considered or treated as non-asbestos containing. No reproduction of all or any portion of this report shall occur without written o approval of Ambient Labs. Inc. All results disclosed in this report relate only to the items tested. ro NVLAP ID #101618. NYS ELAP ID# 10865. STATE OF CA ELAP ID # 2139. co o o

NYC-WTC_000220295

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NYC-WTC_000220295Source: NYC Law Department, mirrored locally

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