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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_000103669
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NYC 9/11 Public Portal Document

TESTWELL LABORATORIES, INC. L Environmental Laboratory 47 Hudson Street, Ossining, New York 10562 NYS t:taP # 11142 NVLAP # 200083-0 AIHA # 100147

Transmission Electron Microscopy Results Client. Bovis Lend Lease - LMB 200 Park Avenue •

New York, New York Date Collected: 07/11/02 Date Rec'd (lab): 07/12/02 Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 07/16/02 55 Church Street TEM Analyst: D. Mir/ New York, New York Analytical Method: AHERA Field Technician: B. Gitman Filter Type: MCE 0.45 micron tvg.Grid Opening: 0.0121mm2 Volume Grid Lab Number Sample #: Sample Location: Coll. Openings Grid Area Countable Asb. Concentration Concentration 02TEM # alyzed Analyzed Structures Structures/mm2 Structures/cc (liters) An

285 9th Floor 4248 1280.0 6 0.073 0 <13.77 <0.004

286 9th Floor 4249 1280.0 6 0.073 0 <13.77 <0.004

287 9th Floor 4250 1280.0 6 0.073 0 <13.77 <0.004 M 288 9th Floor 4251 1280.0 6 0.073 0 <13.77 <0.004

289 9th Floor 4252 1280.0 6 0.073 0 <13.77 <0.004

290 Field Blank 4253 0.0 6 0.073 0 <13.77 <0.004

291 Field Blank 4254 0.0 6 0.073 0 <13.77 <0.004 Structures/mm2 Structures/cc Total Average Concentrations <13.77 <0.004 .. 1. • ... WI 911UWI IYdl PI' p i ry UI UUF vuuvn .

1 mu

oT anaiy isirepon snau not De used oy the client to claim product endorsement by the National ceruncate

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

--J

0

NYC-WTC_00010366

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NYC-WTC_000103669Source: NYC Law Department, mirrored locally

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