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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

L •

1 TESTWELL LABORATORIES, INC. Environmental Laboratory NYSELAP#11142

47 Hudson Street, Ossining, New York 10562 NVLAP 4200083-0 AIHA # 100147

PCM AIR SAMPLE RESULTS Client: Bovis Lend Lease Date Collected: 06/24/02 Date Rec'd (lab): 06/25/02 Project #: MBO-025AB Analysis Date: 06/25/02 Analyst: M. Stein Sample Location: The Millenium Hilton 55 Chruch Street Analytical Method: NIOSH 7400 New York, New York

Field Technician: B. Gitman

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

765 3rd Floor inside airlock During 18233 1250 0.032

766 3rd floor freight elevator lobby During 18234 1250 0.0039

767 23rd Floor inside airlock During 18235 1250 <0.0022

L 768 23rd floor freight elevator lobby During 18236 1250 0.0024

769 24th Floor inside airlock During 18237 1250 0.0182

770 24th floor freight elevator lobby During 18238 1250 <0.0022

771 25th Floor inside airlock During 18239 1250 <0.0022

772 25th floor freight elevator lobby During 18240 1250 0.0055

773 Field Blank During 18241 N/A N/A

774 Field Blank During 18242 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 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 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

NYC-WTC 000103353

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NYC-WTC_000103353Source: NYC Law Department, mirrored locally

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