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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

1 TESTWELL LABORATORIES, INC. Environmental Laboratory NYs ELP 0 11142

[ 47 Hudson Street, Ossining, New York 10562 NVLAP s 200083-0 AIHA s 100147

PCM AIR SAMPLE RESULTS •

Cllent: Bovis Lend Lease Date Collected: 05/10/02 Date Rec'd (lab): 05/13/02 Project #: MBO-025AB Analysis Date: 05/13/02 Analyst: D. Agrest Sample Location Millenium Hilton @ WTC 55 Chruch Street Analytical NIOSH 7400 New York, New York Various Floors Sample Condition Acceptable? YES Field Technician T. Chhetry

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

Outside Work Area Clean Room of During 12266 1200 0.0025 25 Personal Decon

26 Outside Work Area Waste Decon During 12267 1200 0.0035 0 Outside Work Area 56th Floor Inside During 12268 1200 0.0037 27 Airlock Outside Work Area 56th Floor During 12269 1200 0.0029 28 Elevator Lobby 29 Outside Work Area 55th Floor Inside During 12270 . 1200 0.0043 Airlock Outside Work Area 55th Floor During 12271 1200 0.0023 30 Elevator Lobby Outside Work Area 54th Floor Inside 31 During 12272 1200 0.0033 Airlock Outside Work Area 54th 32 Floor During 12273 1200 0.0031 Elevator Lobby Outside Work Area Staircase 33 During 12274 1200 <0.0023 Landing to 53rd Floor Outside Work Area Outside Bldg, 34 During 12275 1200 0.0027 Rector St. side Entrance

35 Field Blank Blank 12276 0 <0.0023

36 Field Blank Blank 12277 0 <0.0023

• 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 1 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 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. This certificate of analysis/report shall not be reproduced except in full, without the written approval of Testwell Laboratories. Inc.

Deborah McCarl - Laboratory Director

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NYC-WTC 000103210

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NYC-WTC_000103210Source: NYC Law Department, mirrored locally

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