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Document / 118 pages

Final air sample results, 55 Church Street, undated

Machine-extracted title · confidence 90%

One-hundred-eighteen page document from Testwell Laboratories presenting final air sample results for a lease at 200 Park Avenue.

NYC-WTC_000103604–000103721
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Scanned page image, NYC-WTC_000103651
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NYC 9/11 Public Portal Document

a

lb TESTWELL LABORATORIES, INC. Environmental Laboratory NYS FLAP # 11142 47 Hudson Street, Ossining, New York 10562 NVLAP 5200083-3 AIHA # 100147

Transmission Electron Microscopy Results client: Bovis Lend Lease - LMB 200 Park Avenue New York, New York Date Collected: 06/20/02 Date Rec'd (lab): 06/21/02 Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 06/24/02 55 Church Street TEM Analyst: D. McCar/ New York, New York Analytical Method: AHERA • Field Technician: B. Gitman Filter Type: MCE 0.45 micron vg.Grid Opening: 0.0121mm2 Volume Grid Lab Number Sample #: Sample Location: Coil. Openings Grid Area Countable Asb. Concentration Concentration 02TEM # (liters) Analyzed Analyzed Structures Structures/mm2 Structures/cc

Inside Work Area 26th 188 3049 1280.0 6 0.073 2 27.55 0.008 Floor Inside Work Area 26th 189 3050 1280.0 ( 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 26th 190 3051 1280.0 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 26th 191 3052 1280.0 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 26th 192 Floor 3053 1280.0 6 0.073 0 <13.77 <0.004 Inside Work Area 27th 193 3054 1280.0 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 27th 194 3055 1280.0 ( 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 27th 195 3056 1280.0 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 27th 3057 ,280.0 6 0.073 1 13.77 0.004 196 Floor Inside Work Area 27th 197 3058 1280.0 6 0.073 0 <13.77 <0.004 Floor Structures/mm2 Structures/cc Total Average Concentrations <15.14 j <0.004 I his report is the confidential property of our clients. I his certificate of analysis/report shall not be used by the client to claim product endorsement by the National Voluntary Laboratory Approval Program (NVLAP) or any agency of the United States Government. The laboratory has no control over air sampling collection. This certificate of analysis/report shall not be reproduced in full, without the written approval of Testwell Laboratories, Inc.

• Laboratory Director/Approved Signatory

NYC-WTC 000103651

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NYC-WTC_000103651Source: NYC Law Department, mirrored locally

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