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NYC-WTC_000220306

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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(7/2001 BATCH ID : 3442 SIGNED FOR AMBIENT LABS INC. BY; CLIENT; AMEX Towers DATEREC'D: 11/9/2001 LOCATION : 3 World Financial Center TIMEREC'D; 4:37 PM TECHNICIAN : ANALYZED: 11/7/2001

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

B2K91919 26-14 Gray TRAINING ROOM 6 / TABLE TOP FIRST ROW. NAD 0.00 % (P) MINERAL WOOL; 15.00% NON-FIBROUS ; 85.00 %

B2K91920 26-15 Gray PROJECTION ROOM. NAD 0.00 % (P) MINERAL WOOL: 5.00 % NON-FIBROUS ; 95.00 %

B2K91921 26-15 Gray TRAINING ROOM 7 TABLE. NAD 0.00 % (P) MINERAL WOOL: 10.00% NON-FIBROUS; 90.00 %

B2K91922 26-17 Gray LOBBY FLOOR. NAD 0.00 % (P) MINERAL WOOL: 10.00% NON-FIBROUS : 90.00 %

B2K91923 26-18 Gray ROLE PLAY ROOM 12 / TABLE TOP. NAD 0.00 % (P) MINERAL WOOL; 5.00 % NON-FIBROUS ; 95.00 %

B2K91924 26-19 Gray PROJECTION ROOM. NAD 0.00 % (P) MINERAL WOOL: 5.00 % NON-FIBROUS : 95.00 %

B2K91925 26-20 Gray SOUTH SIDE AREA ADJACENT ROLE PLUS NAD 0.00 % (P) MINERAL WOOL; 5.00 % ROOM TEN. NON-FIBROUS: 95.00 %

B2K91926 26-21 Gray ELEVATOR BANK FLOOR ELEVATOR THREE. NAD 0.00 % (P) MINERAL WOOL; 10.00% NON-FIBROUS : 90.00 % B2K91927 26-22 Gray ON THE 28TH FLOOR LANDING STAIRS. NAD 0.00 % (P) MINERAL WOOL; 10.00% NON-FIBROUS: 90.00 % n H B2K91928 25-02 Gray NORTHEAST MECHANEING ROOM BENCH NAD 0.00 % (P) MINERAL WOOL: 10.00% k; TOP. I NON-FIBROUS ; 90.00 %

S n 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 I . 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 o approval of Ambient Labs, Inc. All results disclosed in this report relate only to the items tested. CO NVLAP ID #101618. NYS ELAP ID# 10865. STATE OF CA ELAP ID # 2139. o ,

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NYC-WTC_000220307

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NYC-WTC_000220307Source: NYC Law Department, mirrored locally

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