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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_000103630
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NYC 9/11 Public Portal Document

• ,ILL TESTWELL LABORATORIES, INC. Environmental Laboratory 47 Hudson Street, Ossining, New York 10562 NYS ELAP # 11142 NVLAP 4200083-0 AIHA # 100147

Transmission Electron Microscopy Results Client: Bovis Lend Lease - LMB 200 Park Avenue New York, New York Date Collected: 06/05-06/02 Date Recd (lab): 06/06/02 • Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 06/06/02 55 Church Street TEM Analyst: D. McCarl New York, New York Analytical Method: AHERA

Field Technician: T. Chhetry/B. Gitman Filter Type: MCE 0.45 micron _ • vg.Grid Opening: 0.0121mm2 Volume Grid Lab Number Grid Area Countable Asb. Concentration Concentration Sample #: Sample Location: 02TEM # Coll. Openings Analyzed Structures Structures/mm2 Structures/cc (liters) Onalyed

Inside Work Area 5th 107 2760 1280.0 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 5th 108 2761 1280.0 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 5th 109 2762 1280.0 6 0.073 0 <13.77 <0.004

Inside Work Area 5th 110 2763 1280.0 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 5th 111 2764 1280.0 6 - 0.073 0 <13.77 <0.004

Inside Work Area 4th 112 2765 1280.0 6 0.073 0 <13.77 <0.004 Floor Inside WFlrokorArea 4th 113 2766 1280.0 6 0.073 0 <13.77 <0.004

Inside Work Area 4th 114 2767 1280.0 6 0.073 1 13.77 0.004 Floor Inside Work Area 4th 115 2768 1280.0 6 0.073 0 <13.77 <0.004 Floor Inside Work Area 4th 116 2769 1280.0 6 0.073 0 <13.77 <0.004 Floor

117 Blank 2770 0.0 6 0.073 0 <13.77 <0.004

118 Blank 2771 0.0 6 0.073 0 <13.77 <0.004 Structures/mm2 Structures/cc Total Average Concentrations <13.77 <0.004 This report Is the confidential property of our clients. This 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 000103630

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NYC-WTC_000103630Source: NYC Law Department, mirrored locally

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