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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_000103661
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NYC 9/11 Public Portal Document

• 91lb TESTWELL LABORATORIES, INC. Environmental Laboratory 47 Hudson Street, Ossining, New York 10562 NYS ELAP x 11142 NVLAP x 200083-0 AIHA # 100147

Transmission Electron Microscopy Results •

Client: Bovis Lend Lease - LMB 200 Park Avenue New York, New York Date Collected: 06/27/02 Date Rec'd (lab): 06/28/02 Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 07/01/02 55 Church Street TEM Analyst: D. McCarl • New York, New York Analytical Method: AHERA Field Technician: B. Gitman Filter Type: MCE 0.45 micron 1vg.Grid' Opening: 0.0121mm2

Lab Number Volume Grid is Sample #: Sample Location: 02TEM # Coll. Openings Grid Area Countable Asb. Concentration Analyzed Concentration (liters) Analyzed Structures Structures/mm2 Structures/cc

232 21st Floor 3219 1280.0 6 0.073 0 <13.77 <0.004

233 21st Floor 3220 1280.0 6 0.073 0 <13.77 <0.004

234 21st Floor 3221 1280.0 6 0.073 1 13.77 0.004

235 21st Floor 3222 1280.0 6 0.073 0 <13.77 <0.004

236 21st Floor 3223 1280.0 6 0.073 0 <13.77 <0.004

237 20th Floor 3224 1280.0 6 0.073 0 <13.77 <0.004

238 20th Floor 3225 1280.0 I 6 0.073 0 <13.77 <0.004

239 20th Floor 3226 1280.0 6 0.073 0 <13.77 <0.004

240 20th Floor 3227 1280.0 6 0.073 0 <13.77 <0.004

241 20th Floor 3228 1280.0 6 0.073 3 41.32 0.012

242 Field Blank 3229 0.0 6 0.073 0 <13.77 <0.004

243 Field Blank 3230 0.0 6 0.073 0 <13.77 <0.004

Structures/mm21 Structures/cc Total Average Concentrations N/A N/A i nis report is the connoenuai property or our cuents. i nis certuncate or analys;s.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 i certificate of analysis/report shall not be reproduced in full, without the written approval of Testwell Laboratories, Inc.

Laboratory Director/Approved Signatory

40

NYC-WTC 000103661

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NYC-WTC_000103661Source: NYC Law Department, mirrored locally

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