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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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NYC 9/11 Public Portal Document

ti 0 TESTWELL LABORATORIES, INC.

• .1L Environmental Laboratory 47 Hudson Street, Ossining, New York 10562 vs e-* N" * 200083-0 AIHA s 100147

PCM AIR SAMPLE RESULTS Client: Bovis Lend Lease Date Collected: 05/28/02 Date Rec'd (lab): 05/29/02 • Project #: MBO-025AB Analysis Date: 05/29/02 Analyst: A. Sokol Sample Location Millenium Hilton @ WTC • 55 Chruch Street Analytical Method: NIOSH 7400 New York, New York Various Floors Sample Condition Acceptable? YES Field Technician T. Chhetry

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

Outside Work Area Clean Room of 337 During 14590 1350 <0.0018 • Remote Personal Decon Outside Work Area Remote Waste 338 During 14591 1350 0.0022 . Decon Outside Work Area 46th Floor Inside 339 During 14592 1350 <0.0018 Airlock Outside Work Area 46th Floor 340 During 14593 1350 .0.0024 . Freight Elevator Lobby Outside Work Area 45th Floor Inside During 14594 1350 OVERLOAD 341 Airlock. Outside Work Area 45th Floor During • 14595 1350 0,0029 342 Freight Elevator Lobby Outside Work Area 44th Floor Inside 343 During 14596 1350 0.0038 Airlock Outside Work Area 44th Floor 344 During 14597 1350 0.0035 Freight Elevator Lobby 345 Field Blank Blank 14598 0 N/A

[1 346 Field Blank Blank 14599 0 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 quantification reported at P(0.05) indicating the 95% confidence level at 2 standard deviations. ** Sample information is provided by 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 analysisfreport 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 McCart - Laboratory Director •

Page 1 of 1 a ___________ ____1 .•.

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NYC-WTC 000103268

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NYC-WTC_000103268Source: NYC Law Department, mirrored locally

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