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PCM air sample results chain of custody, 200 Park Avenue

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Chain of custody forms for personal protective equipment and air sampling results conducted at 200 Park Avenue by Testwell Laboratories.

NYC-WTC_000103205–000103466
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L NYC 9/11 Public Portal Document TESTWELL LABORATORIES, INC.

• 1 1. Environi .ital Laboratory 47 Hudson Street, Ossining, New York 10562 NYS FLAP # 11142 NVLAP # 200083-0 AIHA # 100147

PCM AIR SAMPLE RESULTS r-- Client: Bovis Lend Lease Date Collected: C8/13102 Date Rec'd (lab): C 8/14/02 Project #: MBO-025AB Analysis Date: C 8/14/02 Analyst: R. Yallabandi Sample Location The Millenium Hilton 55 Chruch Street Analytical NIOSH 7400 New York, New York 10007 49 Field Technician: B.Gitman

Sample #: Sample Location: Sample Type 02PCM # Volume Conceitration f/cc

1170 Personal Decon During 24366 2400 <0.0011

1171 Waste Decon During 24367 2400 0.0017

1172 Blank During 24368 N/A N/A

1173 Blank During 24369 N/A N/A

Limit of quantitation based on volume of air collected and 5.5 f/100.fields as per the NIOSH 7400 method. The report value is calculated by using the higher value of either the actual concentration or the limit of quantificatio i reported at P(0.05) indicating the 95% confidence level at 2 standard deviations. ** Sample information is provided y the client & presented as stated. "' Laboratory QC data available upon request. ""' The laboratory has no control over air sampling collection. Reports are the confidential property of our clients. This certificate of analysis/repot 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. This certificate of analysis/report shall not be reproduced except in full, without the written approval of Testwell Laboratories, Inc.

Deborah McCarl - Laboratory Director

NYC-WTC 000103445

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NYC-WTC_000103445Source: NYC Law Department, mirrored locally

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