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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_000103632
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NYC 9/11 Public Portal Document

TESTWELL LABORATORIES, INC. Environmental Laboratory NY$ FLAP # 11142 47 Hudson Street, Ossining, New York 10562 NVLAP n 200083-0 AIHA # 100147

• Transmission Electron Microscopy Results Client: Bovis Lend Lease - LMB 200 Park Avenue New York, New York Date Collected: 06/07/02 Date Rec'd (lab): 06/10/02 Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 06/11/02 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: Coll. Openings 02TEM # Analyzed Structures Structures/mm2 Structures/cc (liters) Analyzed

119 - 38th Floor 2807 1280.0 6 0.073 0 <13.77 <0.004

120 38th Floor 2808 1280.0 6 0.073 0 <13.77 <0.004

121 38th Floor 2809 1280.0 6 0.073 0 <13.77 <0.004

122 38th Floor 2810 1280.0 6 0.073 0 <13.77 <0.004

123 38th Floor 2811 1280.0 •6 4. 0.073 0 <13.77 <0.004

124 39th Floor 2812 1280.0 6 0.073 0 <13.77 <0.004

125 39th Floor 2813 1280.0 6 0.073 0 <13.77 <0.004

126 39th Floor 2814 1280.0 6 0.073 0 <13.77 <0.004

127 39th Floor 2815 1280.0 6 0.073 0 <13.77 <0.004 C7 128 39th Floor 2816 1280.0 6 0.073 0 <13.77 <0.004

129 40th Floor 2817 1280.0 6 0.073 0 <13.77 <0.004

I 130 40th Floor 2818 1280.0 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 000103632

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NYC-WTC_000103632Source: NYC Law Department, mirrored locally

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